jm Namespace Reference

Classes
class	Array
	The array class serves as a template for handling arrays as easily as variables. At the same time, array size control takes place. More...
class	Array< T * >
class	AutoreleasePool
	This class provides the memory pool component to release objects at regular intervals that the programmer has designated for delayed release by Object::autorelease(). More...
class	Base64
	Implementation of the BASE64 algorithm. More...
struct	BufferElement
	This struct stores the drawing information. More...
class	ByteArray
	Represents a byte array and provide convenient methods for accessing the data. The Byte array is always \0 terminated. More...
class	Char
	This datatype presents a 16 bit unicode character. More...
struct	CharArray
	This data type represents a Unicode character array. It is deliberately used in distinction to the character string and serves as a supporting class when encoding and decoding character strings. More...
class	Charset
	The class Charset is a factory class to make a string out of arbitrarily coded C-strings and vice versa. More...
class	CharsetDecoder
	The class Charset is a mapping function to make a string out of arbitrarily coded C-strings, or vice versa. More...
struct	Color
	A class as a colour representation is so fundamental for us that it is used as a basic data type. The storage is as universal as possible. The special thing about this data type is that it stores the values "differently" depending on the mode. The data type is extremely space-saving. It only requires 6 bytes. More...
class	Comparable
	This class is intended to be used for comparisons. More...
class	CRC
	DWG files use many CRC (cyclic redundancy check) checksum algorithms to verify the integrity of the file. This method provides the appropriate methods to calculate and check the checksums. More...
class	Date
	Date represents a date or time. More...
class	DateFormatter
	Returns the date in a formatted string. The following placeholders are available: y : year : 2015; 15 M : month : July; Jul; 07; 7 w: calendar week : 42 W: week of the month: 1 D: day of the year: 142 d: day of the month: 24 F: weekday of the month: 2 E: weekday: Tuesday; Tu, T a: AM/PM marker: AM; H: hour (0-23) K: hour (0-11) h: hour (1-12) k: hour (1-24) m: minute of the hour s: second of the minute S: millisecond z: time zone. More...
class	Deflater
	Compression class for DEFLATE-compressed data. The basis is RFC 1950 and RFC 1951. As of 2017-01-14, the own implementation was exchanged in favour of zlib. More...
class	Diff
	Diff makes the diff function generally available. More...
class	DiffBacktrace
	DiffBacktrace is used to indicate the "path of change". More...
class	DiffDiag
	This class represents a diagonal in the diff algorithm. More...
class	DiffDistance
	This class calculates the Levenshtein distance between individual entities. More...
class	DiffInfo
	This class provides command line information about what changes have taken place and writes them to the console. More...
class	Document
	This class represents the "model" in the MVC context. This class is also the ideal parent class for all document-based applications, because basic functionalities that every user expects are already predefined here. In addition, development time is saved. These include: More...
class	EditableObject
	Objects of this class have additional functions for comfortable user interaction. For example the undo- management is more easy usable, also the connection to the user interface can be done more automatic. More...
class	Exception
	This class represents an exception that can be "thrown" in case of unexpected errors. More...
class	Extents
	A class to calculate the bounding box of points. More...
class	File
	This field stores the directory separator character based on the operating system. More...
class	FloatArray
class	Hashtable
	A hash table is an instrument used to sort data. A string serves as the access key, whose hash value ensures fast access. This class provides all the necessary methods to be able to work comfortably with a hash table. More...
class	I18nBundle
	This class provides a central resource to translate an application into the local language for the user. More...
class	Inflater
	Decompression class for DEFLATE-compressed data. Basis are RFC 1950 and RFC 1951. More...
class	Integer
	This class collect static methods to manipulate integer values. More...
class	Iterator
	The abstract class Iterator is used to provide an interface with which one can conveniently iterate through a list or array. It depends on the implementation which data is obtained. More...
class	LinkedList
	This class provides a linked list including undo management. More...
class	LinkedListIterator
class	LListElement
class	MacRomanDecoder
	Decoder for Macintosh Roman Codierung (CP 10000) encoding. More...
struct	Matrix
	An m x n-dimensional matrix. More...
class	MemoryStream
	The MemoryStream class represents a byte stream access to a byte array. More...
class	Mutex
	Mutex class. More...
class	Nurbs
	NURBS (nonuniform rational basis splines) are a generalized form of B-Splines. They allow for modeling many curves, including projected forms. DXF splines, for example, are based on NURBS. This class provides functions and methods to work with NURBS. More...
class	Object
	Most objects are derived from this class. This makes it possible to simplify the API, as object pointers can passed and not just void*. More...
class	PaintingBackend
	This class provides the parent class for the graphic output. This class draws. More...
class	Point
	Defines a point. This point is used for 2D-Coordinates. More...
class	Preferences
	The Preferences class abstracts the reading and writing of properties in a preferences file. The file should have the extension .properties. More...
struct	Property
	This interface defines the possibility to edit properties of an object via a uniform interface. This is particularly useful for saving time when objects are to be edited in the GUI. More...
class	RawDecoder
	Decoder converts the bytes 1 to 1. Only the LSB is taken into account. Values > 255 are therefore truncated. More...
struct	Rect
	Defines a rectangle. More...
class	Resource
	This class represents a resource, which comes with the app. More...
class	SAXAttributes
	This class represents the attributes used in the SAX parser. More...
class	SAXParser
	This class represents an XML/HTML parser based on the SAX (Simple API for XML) principle. The advantage lies in the serial processing of tags. This abstract base class must be derived by the parsers and implement some methods. More...
struct	Size
	Defines a size. More...
class	Stack
	This class provides a stack container that processes data elements based on the "Last in - First out" principle. More...
class	Stream
	The Stream class is an abstraction class for manipulating data streams through a unified interface. The stream itself can be a file, a byte array, a network interface, or anything else. More...
class	String
	String implements our generic string because std::string is inadequate and inconvenient. The internal character encoding is Unicode (UTF-8). More...
class	StringList
	This is a list of strings. It provides useful methods for manipulating string lists. More...
class	StringTokenizer
	The StringTokenizer class is used to tokenize a string based on specified delimiters. It splits the string into individual pieces. More...
class	System
	Basic system information. More...
class	Test
	This base class represents a test object. It is used to implement unit tests for any code. Typically a set of tests is collected in one derived test class. More...
class	TestVector
	A TestVector is a collection of several tests and will execute them all and return the number of errors on execution. More...
class	Thread
	Thread implementation. More...
class	UndoChange
	This element of a linked list stores the changes made to the file in an Undo Step. More...
class	UndoChangeBool
	This class encapsulates the step when a bool value is modified. More...
class	UndoChangeBuffer
	This class encapsulates the step when a Property value is modified. More...
class	UndoChangeColour
	This class encapsulates the step when a Color value is modified. More...
class	UndoChangeDate
	This class encapsulates the step when a Date value is modified. More...
class	UndoChangeDouble
	This class encapsulates the step when a double value is modified. More...
class	UndoChangeFloat
	This class encapsulates the step when a float value is modified. More...
class	UndoChangeInt16
	This class encapsulates the step when a int16 value is modified. More...
class	UndoChangeInt32
	This class encapsulates the step when a int32 value is modified. More...
class	UndoChangeInt64
	This class encapsulates the step when a int64 value is modified. More...
class	UndoChangeInt8
	This class encapsulates the step when a int8 value is modified. More...
class	UndoChangeInteger
	This class encapsulates the step when a int64 value is modified. More...
class	UndoChangeObjectRef
	This class encapsulates the step when a Property value is modified. More...
class	UndoChangeSizeType
	This class encapsulates the step when a uint64 value is modified. More...
class	UndoChangeString
	This class encapsulates the step when a double value is modified. More...
class	UndoChangeUInt16
	This class encapsulates the step when a uint16 value is modified. More...
class	UndoChangeUInt32
	This class encapsulates the step when a uint32 value is modified. More...
class	UndoChangeUInt64
	This class encapsulates the step when a uint64 value is modified. More...
class	UndoChangeUInt8
	This class encapsulates the step when a uint8 value is modified. More...
class	UndoChangeVertex2
	This class encapsulates the step when a Vertex2 value is modified. More...
class	UndoChangeVertex3
	This class encapsulates the step when a Vertex3 value is modified. More...
class	UndoManager
	This class represents the manager for undo operations. More...
class	UndoObjectRelease
	This class encapsulates the step when a Property value is modified. More...
class	UndoRegenerationMarker
	This class encapsulates the step when a Property value is modified. More...
class	UndoStep
	This object stores an editing step made to the file. The undo list is a doubly linked list. More...
class	URI
	Repräsentation einer URI (Uniform Resource Identifier). Eine URI hat folgenden Aufbau: More...
class	UTF16Decoder
	Decoder for UTF16 encoding. More...
class	UTF8Decoder
	Decoder for UTF8 encoding. More...
struct	Variant
struct	Vector
	An n-dimensional vector. More...
class	Vertex2
	A two dimensional vector. Owns special functions for 2d space. More...
class	Vertex3
	A three dimensional vector. Owns special functions for 3D space. More...
class	Windows1252Decoder
	Decoder for Windows CP 1252 encoding. More...
class	XMLWriter
	This class provides methods to write XML data. More...
class	ZipEntry
	Entry for a ZIP file. More...
class	ZipFile
	This class represents a ZIP file for reading ZIP data. More...
class	ZipOutputFile
	This class represents a ZIP file for writing ZIP data. More...

Enumerations
enum class	ColorMode { kGrey = 0 , kRgb = 1 , kCmyk = 2 }
	Enumeration of available colour modes for Color. More...
enum class	DiffOperation {   DiffOperation::kDiffAdd , DiffOperation::kDiffDelete , DiffOperation::kDiffModified , DiffOperation::kDiffEqual ,   DiffOperation::kDiffStart }
	Enumeration for the operations available in the diff algorithm. More...
enum class	MatrixNorm { kNorm1 , kNormInf }
	List of available matrix norms. More...
enum class	BufferMode { kBmMoveTo , kBmLineTo , kBmBlindTo }
	Internal enumeration to provide a more detailed description of BufferElement. More...
enum class	PropertyChangeMode { kItself = 0 , kOthers = 1 , kCount = 2 }
	Status, to what extent changing the property has an influence on the status of other values of all properties. More...
enum class	PropertyType {   kString , kInteger , kDouble , kDwgColour ,   kDwgLayer , kDwgLineType , kBoolean , kValue }
enum class	FileMode { kRead , kWrite , kReadWrite }
	Mode for opening streams and files. More...
enum class	LogLevel { kDebug , kInformation , kWarning , kError }
enum class	Status {   eNo = 0 , eOK = 1 , eYes = 1 , eError ,   eNotAllowed , eNotImplemented , eNullPointer , eIndexOutOfBounds ,   eNotFound , eTimeout , eNoDirectory , eNullHandle ,   eDuplicatHandle , eOwnerMismatch , eDuplicateKey , eInvalidKey ,   eInvalidInput , eOnLockedLayer , eUndefinedBlock , eUndefinedLineType ,   eUndefinedLayer , eWrongObjectType , eNoElementsForTransformationProvided , eTargetNodeForCopyOperationNotFound ,   eTargetBeamForCopyOperationNotFound , eInvalidVectorInput , eInvalidAngleInput , eInvalidFactorInput }
	This enumeration list all errors posted by this library. More...

Functions
void	initCharsets ()
	Initialises the charsets.
void	quitCharsets ()
	Deletes the charset objects.
DllExport Color	blend (Color background, Color foreground, uint8 alpha)
DllExport Color	interpolate (Color colour1, Color colour2, float percent)
DllExport bool	operator== (Color const &c1, Color const &c2)
DllExport bool	operator!= (Color const &c1, Color const &c2)
DllExport Color	operator- (Color const &c1, Color const &c2)
DllExport Color	operator+ (Color const &c1, Color const &c2)
DllExport String	ExecPath ()
	This method returns the path of the executing application. It consists of the directory name and the application name.
DllExport String	ExecDir ()
	This method returns the directory where the application is being executed.
DllExport String	ExecName ()
	This method returns the name of the current application.
DllExport File	ResourceDir (const String &bundleId)
	This method returns the directory where the current application should search for resources.
DllExport File	PropertyDir ()
	This method returns the directory where the current application stores its settings.
DllExport File	UserDir ()
	This method returns the user directory.
DllExport File	TempDir ()
DllExport File	currentDir ()
	This method returns the current directory.
DllExport Vertex3	intersectionPointLineAndPlane (const Vertex3 &planePosition, const Vertex3 &normal, const Vertex3 &linePosition, const Vertex3 &direction, bool extend)
	This method calculates the intersection point of a line and a plane using the normal form.
DllExport void	intersectionPointsOfCircles (const Vertex2 &center1, double radius1, const Vertex2 &center2, double radius2, Vertex2 &intersection1, Vertex2 &intersection2)
	This method calculates the intersection point of 2 circles.
DllExport Vertex3	closestPointOnPlane (const Vertex3 &point, const Vertex3 &position, const Vertex3 &normal)
	This method calculates the point on the plane that has the minimum distance to the given point.
DllExport Vertex2	closestPointOnLine (const Vertex2 &point, const Vertex2 &position, const Vertex2 &direction)
DllExport Vertex3	closestPointOnLine (const Vertex3 &point, const Vertex3 &position, const Vertex3 &direction)
	This method calculates the point on the line that has the minimum distance to the given point. The connecting line between the point and the result is perpendicular to the line.
DllExport Vertex3	closestPointOnLine (const Vertex3 &position1, const Vertex3 &direction1, const Vertex3 &position2, const Vertex3 &direction2)
	This method calculates the point on the second line that has the minimum distance to the first line. The connecting line between the point and the result is perpendicular to the line.
DllExport Vertex3	closestPointOnLine (const Vertex3 &point, const Vertex3 &lineStart, const Vertex3 &lineEnd, bool extend)
	This method calculates the point on the line that has the minimum distance to the given point.
DllExport Vertex3	closestPointOnCircle (const Vertex3 &point, const Vertex3 &center, double radius, const Vertex3 &normal)
	This method calculates the minimum distance from the given point to the circle.
DllExport double	distancePointToPlane (const Vertex3 &point, const Vertex3 &position, const Vertex3 &normal)
	This method calculates the point on the line that has the minimum distance to the plane.
DllExport double	distancePointToPoint (const Vertex3 &point1, const Vertex3 &point2)
	This method calculates the minimum distance between the two points in 3D space.
DllExport double	distancePointToPoint (const Vertex2 &point1, const Vertex2 &point2)
	This method calculates the minimum distance between two points in 3D space.
DllExport double	distancePointToLine (const Vertex3 &point, const Vertex3 &position, const Vertex3 &direction)
	This method calculates the minimum distance between the given point and the line.
DllExport double	distancePointToLine (const Vertex3 &point, const Vertex3 &lineStart, const Vertex3 &lineEnd, bool extend)
	This method calculates the minimum distance between a point and a line segment.
DllExport double	distancePointToCircle (const Vertex3 &point, const Vertex3 &center, double radius, const Vertex3 &normal)
	This method calculates the minimum distance from the given point to the circle.
DllExport double	distanceLineToLine (const Vertex3 &position1, const Vertex3 &direction1, const Vertex3 &position2, const Vertex3 &direction2)
	This method calculates the minimum distance between two lines in 3D space.
DllExport bool	isPointOnPlane (const Vertex3 &point, const Vertex3 &position, const Vertex3 &normal, double maxDistance=0.0)
	This method checks if the given point lies on the plane, taking into account the specified tolerance.
DllExport bool	isPointOnLine (const Vertex3 &point, const Vertex3 &position, const Vertex3 &direction)
	This method checks whether a given point lies on the line, taking into account a specified tolerance.
DllExport bool	isPointOnLine (const Vertex3 &point, const Vertex3 &lineStart, const Vertex3 &lineEnd, bool extend)
	This method checks whether a given point lies on the line segment, taking into account a specified tolerance.
DllExport bool	isPointOnCircle (const Vertex3 &point, const Vertex3 &center, double radius, const Vertex3 &normal)
	This method checks if a given point lies on a circle, taking into account a specified tolerance.
DllExport bool	isSamePoint (const Vertex3 &point1, const Vertex3 &point2)
	This method checks if both points are identical, taking into account a specified tolerance.
DllExport Vertex2	intersectionPoint (const Vertex2 &position1, const Vertex2 &direction1, const Vertex2 &position2, const Vertex2 &direction2)
	This method calculates the two-dimensional intersection point of two lines defined by their starting points and direction vectors.
DllExport Vertex3	intersectionPoint (const Vertex3 &position1, const Vertex3 &direction1, const Vertex3 &position2, const Vertex3 &direction2)
	This method calculates the three-dimensional intersection point of two lines defined by their starting points and direction vectors.
DllExport bool	crosses (const Vertex2 &start1, const Vertex2 &end1, const Vertex2 &start2, const Vertex2 &end2)
	This method checks if two lines intersect/cross between their endpoints. It is a planar problem.
DllExport Vertex2	extensionPointOnLine (const Vertex2 &rayorigin, const Vertex2 &direction, const Vertex2 &start, const Vertex2 &end)
	This method checks if a ray (line) intersects with a line between or on its endpoints. The direction of the ray is crucial.
DllExport Vertex2	extensionPointOnArc (const Vertex2 &rayorigin, const Vertex2 &direction, const Vertex2 &center, double radius, double start, double end)
	This method checks if a ray (line) intersects with a circular arc. The direction of the ray is crucial.
DllExport Vertex2	extensionPointOnEllipse (const Vertex2 &rayorigin, const Vertex2 &direction, const Vertex2 &center, const Vertex2 &mainAxis, double minorAxisRatio, double start, double end)
	This method checks if a ray (line) intersects with an elliptical arc. The direction of the ray is crucial.
DllExport Vertex3	angleBisector (const Vertex3 &direction1, const Vertex3 &direction2)
	This method calculates the angle bisector between the two direction vectors around a common central point. The length of the resulting vector is not normalized.
DllExport Vertex2	angleBisector (const Vertex2 &direction1, const Vertex2 &direction2)
	This method calculates the angle bisector between the two direction vectors around a common central point. The length of the resulting vector is not normalized.
DllExport jm::Status	circleParameterBy3Points (Vertex2 &center, double &radius, const Vertex2 &p1, const Vertex2 &p2, const Vertex2 &p3)
	Calculates the circle parameters centre point and radius given by the 3 points.
DllExport jm::Status	circleParameterBy2TangentsRadius (Vertex2 &center, double radius, const Vertex2 &p1, const Vertex2 &dir1, const Vertex2 &p2, const Vertex2 &dir2)
	Calculates the circle center point by the given 2 tangents and radius of the circle.
DllExport double	degToRad (double deg)
	This function converts the angle from degrees into radians.
DllExport double	radToDeg (double rad)
	This function converts the angle from radians into degrees.
DllExport int16	sign (double d)
	This function returns the sign of a number.
DllExport int64	round (double d)
	This function rounds a number commercially to the integral number.
DllExport float	roundFrac (float f, int32 digits)
	This function rounds a number to the desired number of decimal places.
DllExport double	roundFrac (double f, int64 digits)
	This function rounds a number to the desired number of decimal places.
DllExport bool	isEqual (double v1, double v2)
	This method checks whether the two values are identical, taking resabs into account, are identical. Therefore |v2-v1| < RESABS applies. So if RESABS is the different, then the value is already is no longer the same. IT MUST BE LESS THAN EPSILON.
DllExport bool	isNotEqual (double v1, double v2)
	This method checks whether the first value is not equal to the second, taking resabs into account.
DllExport bool	isLess (double v1, double v2)
	This method checks whether the first value is lower than the second, taking resabs into account.
DllExport bool	isLessEqual (double v1, double v2)
	This method checks whether the first value is lower or equal to the second, taking resabs into account.
DllExport bool	isGreater (double v1, double v2)
	This method checks whether the first value is greater than the second, taking resabs into account.
DllExport bool	isGreaterEqual (double v1, double v2)
	This method checks whether the first value is greater than or equal to the second, taking resabs into account.
DllExport bool	isNaN (double d)
	This method checks whether the number is "Not a Number".
DllExport void	swap (double &v1, double &v2)
	This method swaps the two variables in place.
DllExport void	swap (int32 &v1, int32 &v2)
	This method swaps the two variables in place.
DllExport void	swap (uint32 &v1, uint32 &v2)
	This method swaps the two variables in place.
DllExport void	swap (uint16 &v1, uint16 &v2)
	This method swaps the two variables in place.
DllExport void	swap (uint8 &v1, uint8 &v2)
	This method swaps the two variables in place.
DllExport double	random ()
	Returna a random number between 0.0 and 1.0.
DllExport int32	random (int32 lower, int32 upper)
	Returns a random integer number.
DllExport bool	probability (double percent)
	randomly determines whether the specified probability is fulfilled.
DllExport float	interpolate (float begin, float end, float percent)
	This method interpolates the numerical value between begin and end.
DllExport double	interpolate (double begin, double end, double percent)
	This method interpolates the numerical value between begin and end.
DllExport double	interpolate (double vbegin, double vend, double begin, double end, double position)
	This method interpolates the numerical value between vbegin and vend.
DllExport bool	powerOf2 (int x)
	This method checks whether the number passed is a power of 2.
DllExport uint32	ceilPowerOf2 (uint32 x)
	This method specifies the smallest power of 2 over the given value. If the value itself is a power of 2, then the value is returned.
DllExport double	doubleMaschineEpsilon ()
	This function calculates the relative machine accuracy for double values. Should be 1.11022e-16 for 64 bit. Some literature sources also give 2.22045e-16 as accuracy.
DllExport float	floatMaschineEpsilon ()
	This function calculates the relative machine accuracy for float values. Should be at 32 bit should be 5.96046e-08. Some literature sources also give 1.19209e-07 as accuracy.
DllExport int64	divFloor (int64 x, int64 y)
	Divide one integer by another and round towards minus infinity.
DllExport int64	modFloor (int64 x, int64 y)
	Calculates the residual value after dividing one integer by another and rounds the quotient towards minus infinity.
DllExport Matrix	operator* (const Matrix &A, const Matrix &B)
	Implementation of the operator M * M (matrix multiplication).
DllExport Matrix	operator* (const double &d, const Matrix &b)
	Implementation of the operator d * M (scalar multiplication).
DllExport Matrix	operator* (const Matrix &A, const double &d)
	Implementation of the operator M * d (scalar multiplication).
DllExport Vector	operator* (const Matrix &A, const Vector &b)
	Implementation of the operator M * v (matrix multiplication with a vector). The matrix must be square.
DllExport Vertex3	operator* (const Matrix &A, const Vertex3 &b)
	Implementation of the operator M * v (matrix multiplication with a vector). The matrix must be 3x3.
DllExport Matrix	operator/ (const Matrix &b, const double &d)
	Implementation of the operator M / d (scalar division).
DllExport Matrix	operator+ (const Matrix &A, const Matrix &B)
	Implementation of the operator M + M (matrix addition).
DllExport Matrix	operator- (const Matrix &A, const Matrix &B)
	Implementation of the operator M - M (matrix subtraction).
jm::ByteArray	osResourceRead (const jm::String &path)
DllExport size_t	serializeBEInt16 (uint8 *buffer, size_t offset, int16 value)
	This method serializes a number using the Big-Endian method.
DllExport size_t	serializeBEInt24 (uint8 *buffer, size_t offset, int32 value)
	This method serializes a number using the Big-Endian method.
DllExport size_t	serializeBEInt32 (uint8 *buffer, size_t offset, int32 value)
	This method serializes a number using the Big-Endian method.
DllExport size_t	serializeBEInt64 (uint8 *buffer, size_t offset, int64 value)
	This method serializes a number using the Big-Endian method.
DllExport size_t	serializeLEInt16 (uint8 *buffer, size_t offset, int16 value)
	This method serializes a number using the Little-Endian method.
DllExport size_t	serializeLEUInt16 (uint8 *buffer, size_t offset, uint16 value)
	This method serializes a number using the Little-Endian method.
DllExport size_t	serializeBEUInt16 (uint8 *buffer, size_t offset, uint16 value)
DllExport size_t	serializeLEInt24 (uint8 *buffer, size_t offset, int32 value)
	This method serializes a number using the Little-Endian method.
DllExport size_t	serializeLEInt32 (uint8 *buffer, size_t offset, int32 value)
	This method serializes a number using the Little-Endian method.
DllExport size_t	serializeLEInt32 (jm::ByteArray &buffer, size_t offset, int32 value)
DllExport size_t	serializeLEInt64 (uint8 *buffer, size_t offset, int64 value)
	This method serializes a number using the Little-Endian method.
DllExport size_t	serializeLEDouble (uint8 *buffer, size_t offset, double value)
	This method serializes a number using the Little-Endian method.
DllExport size_t	serializeLEDouble (jm::ByteArray &buffer, size_t offset, double value)
DllExport size_t	serializeLEFloat (uint8 *buffer, size_t offset, float value)
	This method serializes a number using the Little-Endian method.
DllExport uint16	deserializeBEUInt16 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Big-Endian method.
DllExport int16	deserializeBEInt16 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Big-Endian method.
DllExport int16	deserializeBEInt16 (const jm::ByteArray &buffer, size_t offset)
DllExport int32	deserializeBEInt24 (const uint8 *buffer, size_t offset)
DllExport int32	deserializeLEInt24 (const uint8 *buffer, size_t offset)
DllExport uint32	deserializeBEUInt32 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Big-Endian method.
DllExport uint32	deserializeBEUInt32 (const jm::ByteArray &buffer, size_t offset)
DllExport int32	deserializeBEInt32 (const jm::ByteArray &buffer, size_t offset)
DllExport int64	deserializeBEInt64 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Big-Endian method.
DllExport int64	deserializeBEInt64 (const jm::ByteArray &buffer, size_t offset)
DllExport uint16	deserializeLEUInt16 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport uint16	deserializeLEUInt16 (const jm::ByteArray &buffer, size_t offset)
DllExport int16	deserializeLEInt16 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport int16	deserializeLEInt16 (const jm::ByteArray &buffer, size_t offset)
DllExport uint32	deserializeLEUInt32 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport uint32	deserializeLEUInt32 (const jm::ByteArray &buffer, size_t offset)
DllExport int32	deserializeLEInt32 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport int32	deserializeLEInt32 (const jm::ByteArray &buffer, size_t offset)
DllExport int64	deserializeLEInt64 (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport int64	deserializeLEInt64 (const jm::ByteArray &buffer, size_t offset)
DllExport double	deserializeLEDouble (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport double	deserializeLEDouble (const jm::ByteArray &buffer, size_t offset)
DllExport float	deserializeLEFloat (const uint8 *buffer, size_t offset)
	This method deserializes a number using the Little-Endian method.
DllExport double	ConvertToDouble (String str)
	Method converts a String into a double.
DllExport String	URLDecode (const String &str)
DllExport String	URLEncode (const String &str)
jm::String	osSystemLanguage ()
DllExport Vertex3	wcsToOcs (const Vertex3 &wcs, const Vertex3 &extrusion)
	This method converts World Coordinate System (WCS) coordinates to Object Coordinate System (OCS) coordinates.
DllExport Vertex3	ocsToWcs (const Vertex3 &ocs, const Vertex3 &extrusion)
	This method converts Object Coordinate System (OCS) coordinates to World Coordinate System (WCS) coordinates.
DllExport Matrix	ocsMatrix (const Vertex3 &extrusion)
	This method calculates the OCS transformation matrix using the "Arbitrary Axis Algorithm" from the DXF reference.
DllExport Matrix	wcsMatrix (const Vertex3 &extrusion)
	This method calculates the WCS transformation matrix using the "Arbitrary Axis Algorithm" from the DXF reference.
DllExport const Vector	operator+ (const Vector &v1, const Vector &v2)
	Implementation of the operator +.
DllExport const Vector	operator- (const Vector &v1, const Vector &v2)
	Implementation of the operator -.
DllExport const Vector	operator* (const double &d, const Vector &v)
	Implementation of the operator *.
DllExport const Vertex2	operator+ (const Vertex2 &v1, const Vertex2 &v2)
	Implementation of the operator +.
DllExport const Vertex2	operator- (const Vertex2 &v1, const Vertex2 &v2)
	Implementation of the operator -.
DllExport Vertex2	operator* (double d, const Vertex2 &v)
	Implementation of the operator *.
DllExport Vertex2	operator* (const Vertex2 &v1, double d)
	Implementation of the operator *.
DllExport bool	operator== (const Vertex2 &v1, const Vertex2 &v2)
	Implementation of the operator ==.
DllExport bool	operator!= (Vertex2 const &v1, Vertex2 const &v2)
	Implementation of the operator -=.
DllExport Vertex2	solveLinearSystem (Vertex2 a, Vertex2 b, Vertex2 r)
	This method solves a linear system of equations with two unknowns: r.x = x * a.x + y * b.x r.y = x * a.y + y * b.y The system is solved for x and y. Matrix notation: a b r | a.x b.x | * | x | = | r.x | | a.y b.y | | y | | r.y |.
DllExport bool	isLinearIndependent (const Vertex3 &v1, const Vertex3 &v2, const Vertex3 &v3)
	This method checks whether the three vectors are linearly independent. The vectors are linearly independent if the determinant of a 3x3 matrix in which the 3 vectors are the columns, is not equal to 0.
DllExport bool	operator== (const Vertex3 &v1, const Vertex3 &v2)
	Implementation of the operator ==.
DllExport bool	operator!= (const Vertex3 &v1, const Vertex3 &v2)
	Implementation of the operator !=.
DllExport Vertex3	operator* (double d, const Vertex3 &v)
	Implementation of the operator *.
DllExport Vertex3	operator* (const Vertex3 &v1, double d)
	Implementation of the operator *.

Variables
double const	RESABS = 1E-6
	This value defines when two points or values are considered identical. This serves to catch numerical inaccuracies and the resulting errors. The predefined value can be changed, but this may change the calculations considerably. 1E-6 is highly recommended as the highest value.
size_t	gErrorCount
	global error count during single test run.
size_t	gTestCount
	global test count during single test run.
size_t	gTotalErrorCount
	global error count over all done tests.
size_t	gTotalTestCount
	global test count overall done tests.

Enumeration Type Documentation

BufferMode

enum class jm::BufferMode

strong

Internal enumeration to provide a more detailed description of BufferElement.

Enumerator
kBmMoveTo
kBmLineTo
kBmBlindTo

ColorMode

enum class jm::ColorMode

strong

Enumeration of available colour modes for Color.

Note

Compile with -fshort-enums

Enumerator
kGrey	Grey Scale
kRgb	RGB Color Space
kCmyk	CMYK Color Space

FileMode

enum class jm::FileMode

strong

Mode for opening streams and files.

Enumerator
kRead	Open for reading only. Corresponds to rb
kWrite	Open for writing only. Corresponds to wb
kReadWrite	Open for reading and writing. Corresponds to rb+

LogLevel

enum class jm::LogLevel

strong

Enumerator
kDebug
kInformation
kWarning
kError

MatrixNorm

enum class jm::MatrixNorm

strong

List of available matrix norms.

Enumerator
kNorm1	Column Sum Norm.
kNormInf	Row Sum Norm.

PropertyChangeMode

enum class jm::PropertyChangeMode

strong

Status, to what extent changing the property has an influence on the status of other values of all properties.

Enumerator
kItself	Property only changes own value.
kOthers	Property can have influence on other values. E.g. if you change a point of a line, the property "length" will also changed.
kCount	Property can change the number of properties.

PropertyType

enum class jm::PropertyType

strong

Enumerator
kString
kInteger
kDouble
kDwgColour
kDwgLayer
kDwgLineType
kBoolean
kValue

Status

enum class jm::Status

strong

This enumeration list all errors posted by this library.

Note

Do no use numbers of this enum for storing persistent data. Numbers are changing.

Enumerator
eNo	Same meansing as a bool false
eOK	All ok. Operation finished as excepted.
eYes	Same meaning as a bool "true" (same as eOK)
eError	Operation not done. Unspecified error occurred.
eNotAllowed
eNotImplemented	< Operation not allowed. Operation not done. Not implemented.
eNullPointer	Operation not done. Null pointer found.
eIndexOutOfBounds	Operation not done. Array overflow underflow and similar
eNotFound	Operation not done. The entry you are looking for was not found.
eTimeout	Operation not done. A timepout occurred.
eNoDirectory
eNullHandle	Operation not done. Null handle found.
eDuplicatHandle	Operation not done. Duplicate handle found.
eOwnerMismatch	Operation not done. Owner of object points to invalid owner.
eDuplicateKey	Operation not done. Duplicate key found. E.g. because you try to name a new DwgLayer with a name, a layer already exists.
eInvalidKey	Operation not done. Key has invalid value. E.g. because you try to use a group code in a DwgXRecord for a specific datatype, but the code is mapped to another data type, or you try to name a colour although the colour name is not defined in a colour book.
eInvalidInput	Operation not done. Input is invalid.
eOnLockedLayer	Operation not done. The entity is on a locked layer.
eUndefinedBlock	Operation not done. The requested block is undefined.
eUndefinedLineType	Operation not done. The requested DwgLineType is undefined.
eUndefinedLayer	Operation not done. The requested DwgLayer is undefined.
eWrongObjectType	Operation not done. The provided object has not the expected object type.
eNoElementsForTransformationProvided
eTargetNodeForCopyOperationNotFound
eTargetBeamForCopyOperationNotFound
eInvalidVectorInput
eInvalidAngleInput
eInvalidFactorInput

Function Documentation

angleBisector() [1/2]

DllExport Vertex2 jm::angleBisector	(	const Vertex2 &	direction1,
		const Vertex2 &	direction2
	)

This method calculates the angle bisector between the two direction vectors around a common central point. The length of the resulting vector is not normalized.

Parameters

direction1	The first direction vector.
direction2	The second direction vector.

Returns

The angle bisector vector.

angleBisector() [2/2]

DllExport Vertex3 jm::angleBisector	(	const Vertex3 &	direction1,
		const Vertex3 &	direction2
	)

This method calculates the angle bisector between the two direction vectors around a common central point. The length of the resulting vector is not normalized.

Parameters

direction1	The first direction vector.
direction2	The second direction vector.

Returns

The angle bisector vector.

blend()

DllExport Color jm::blend	(	Color	background,
		Color	foreground,
		uint8	alpha
	)

ceilPowerOf2()

DllExport uint32 jm::ceilPowerOf2

(

uint32

x

)

This method specifies the smallest power of 2 over the given value. If the value itself is a power of 2, then the value is returned.

circleParameterBy2TangentsRadius()

DllExport jm::Status jm::circleParameterBy2TangentsRadius	(	Vertex2 &	center,
		double	radius,
		const Vertex2 &	p1,
		const Vertex2 &	dir1,
		const Vertex2 &	p2,
		const Vertex2 &	dir2
	)

Calculates the circle center point by the given 2 tangents and radius of the circle.

The enclosing quadrant of p1 and p2 contains center. If center is on p1 or p2 the direction vector decides

Parameters

center	The calculated center point
radius	The radius of the circle
p1	Point on the first tangent
dir1	Direction of the first tangent
p2	Point on the second tangent
dir2	Direction of the second tangent

circleParameterBy3Points()

DllExport jm::Status jm::circleParameterBy3Points	(	Vertex2 &	center,
		double &	radius,
		const Vertex2 &	p1,
		const Vertex2 &	p2,
		const Vertex2 &	p3
	)

Calculates the circle parameters centre point and radius given by the 3 points.

Parameters

center	The calculated center point
radius	The calculated radius
p1	First point on the circle
p2	Second point on the circle
p3	Third point on the circle

closestPointOnCircle()

DllExport Vertex3 jm::closestPointOnCircle	(	const Vertex3 &	point,
		const Vertex3 &	center,
		double	radius,
		const Vertex3 &	normal
	)

This method calculates the minimum distance from the given point to the circle.

Parameters

point	The 3D point from which the distance is to be determined.
center	The center point of the circle.
radius	The radius of the circle.
normal	The normal vector of the circle's plane. It is perpendicular to the plane.

Returns

The shortest distance between the point and the circle.

closestPointOnLine() [1/4]

DllExport Vertex2 jm::closestPointOnLine	(	const Vertex2 &	point,
		const Vertex2 &	position,
		const Vertex2 &	direction
	)

closestPointOnLine() [2/4]

DllExport Vertex3 jm::closestPointOnLine	(	const Vertex3 &	point,
		const Vertex3 &	lineStart,
		const Vertex3 &	lineEnd,
		bool	extend
	)

This method calculates the point on the line that has the minimum distance to the given point.

Parameters

point	The 3D point from which the distance is to be determined.
lineStart	The starting point of the line.
lineEnd	The end point of the line.
extend	If set to "true", the intersection point can be determined even if it lies beyond the line segment. If set to "false", NAN is returned if the point is outside the line segment.

Returns

The point on the line with the minimum distance to the given point.

closestPointOnLine() [3/4]

DllExport Vertex3 jm::closestPointOnLine	(	const Vertex3 &	point,
		const Vertex3 &	position,
		const Vertex3 &	direction
	)

This method calculates the point on the line that has the minimum distance to the given point. The connecting line between the point and the result is perpendicular to the line.

Parameters

point	The 3D point from which the distance is to be determined.
position	The position vector or any point on the line.
direction	The direction vector of the line.

Returns

The point on the line with the minimum distance to the given point.

closestPointOnLine() [4/4]

DllExport Vertex3 jm::closestPointOnLine	(	const Vertex3 &	position1,
		const Vertex3 &	direction1,
		const Vertex3 &	position2,
		const Vertex3 &	direction2
	)

This method calculates the point on the second line that has the minimum distance to the first line. The connecting line between the point and the result is perpendicular to the line.

Parameters

position1	The position vector or any point on the first line.
direction1	The direction vector of the first line.
position2	The position vector or any point on the second line.
direction2	The direction vector of the second line.

Returns

The point on the second line with the shortest distance between the lines.

closestPointOnPlane()

DllExport Vertex3 jm::closestPointOnPlane	(	const Vertex3 &	point,
		const Vertex3 &	position,
		const Vertex3 &	normal
	)

This method calculates the point on the plane that has the minimum distance to the given point.

Parameters

point	The 3D point from which the distance is to be determined.
position	Any point on the plane.
normal	The normal vector, perpendicular to the plane.

Returns

The point on the plane with the minimum distance (perpendicular distance) to the given point.

ConvertToDouble()

DllExport double jm::ConvertToDouble ( String  str )

extern

Method converts a String into a double.

This method is similar to Double::ValueFrom(), but as a decimal divider a point or a comma is accepted.

Parameters

str	The string in form: "1.23".

Returns

The expected double number.

crosses()

DllExport bool jm::crosses	(	const Vertex2 &	start1,
		const Vertex2 &	end1,
		const Vertex2 &	start2,
		const Vertex2 &	end2
	)

This method checks if two lines intersect/cross between their endpoints. It is a planar problem.

Parameters

start1	The start point of the first line.
end1	The end point of the first line.
start2	The start point of the second line.
end2	The end point of the second line.

Returns

"true" if the lines intersect between their endpoints, otherwise "false".

currentDir()

DllExport File jm::currentDir ( )

extern

This method returns the current directory.

degToRad()

DllExport double jm::degToRad

(

double

deg

)

This function converts the angle from degrees into radians.

Parameters

deg	Given angle in degrees (e.g. 30 for 30°).

Returns

Returns the angle in radians.

deserializeBEInt16() [1/2]

DllExport int16 jm::deserializeBEInt16	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeBEInt16() [2/2]

DllExport int16 jm::deserializeBEInt16	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as int16.

deserializeBEInt24()

DllExport int32 jm::deserializeBEInt24	(	const uint8 *	buffer,
		size_t	offset
	)

deserializeBEInt32()

DllExport int32 jm::deserializeBEInt32	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeBEInt64() [1/2]

DllExport int64 jm::deserializeBEInt64	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeBEInt64() [2/2]

DllExport int64 jm::deserializeBEInt64	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as int64.

deserializeBEUInt16()

DllExport uint16 jm::deserializeBEUInt16	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as uint16.

deserializeBEUInt32() [1/2]

DllExport uint32 jm::deserializeBEUInt32	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeBEUInt32() [2/2]

DllExport uint32 jm::deserializeBEUInt32	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as uint32.

deserializeLEDouble() [1/2]

DllExport double jm::deserializeLEDouble	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeLEDouble() [2/2]

DllExport double jm::deserializeLEDouble	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as double.

deserializeLEFloat()

DllExport float jm::deserializeLEFloat	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as float.

deserializeLEInt16() [1/2]

DllExport int16 jm::deserializeLEInt16	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeLEInt16() [2/2]

DllExport int16 jm::deserializeLEInt16	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as int16.

deserializeLEInt24()

DllExport int32 jm::deserializeLEInt24	(	const uint8 *	buffer,
		size_t	offset
	)

deserializeLEInt32() [1/2]

DllExport int32 jm::deserializeLEInt32	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeLEInt32() [2/2]

DllExport int32 jm::deserializeLEInt32	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as int32.

deserializeLEInt64() [1/2]

DllExport int64 jm::deserializeLEInt64	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeLEInt64() [2/2]

DllExport int64 jm::deserializeLEInt64	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as int64.

deserializeLEUInt16() [1/2]

DllExport uint16 jm::deserializeLEUInt16	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeLEUInt16() [2/2]

DllExport uint16 jm::deserializeLEUInt16	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as uint16.

deserializeLEUInt32() [1/2]

DllExport uint32 jm::deserializeLEUInt32	(	const jm::ByteArray &	buffer,
		size_t	offset
	)

deserializeLEUInt32() [2/2]

DllExport uint32 jm::deserializeLEUInt32	(	const uint8 *	buffer,
		size_t	offset
	)

This method deserializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number is located.
offset	The zero-based index of the position where the first byte is located.

Returns

Returns the deserialized number as uint32.

distanceLineToLine()

DllExport double jm::distanceLineToLine	(	const Vertex3 &	position1,
		const Vertex3 &	direction1,
		const Vertex3 &	position2,
		const Vertex3 &	direction2
	)

This method calculates the minimum distance between two lines in 3D space.

Parameters

position1	The position vector or any point on the first line.
direction1	The direction vector of the first line.
position2	The position vector or any point on the second line.
direction2	The direction vector of the second line.

Returns

The shortest distance between the two lines.

distancePointToCircle()

DllExport double jm::distancePointToCircle	(	const Vertex3 &	point,
		const Vertex3 &	center,
		double	radius,
		const Vertex3 &	normal
	)

This method calculates the minimum distance from the given point to the circle.

Parameters

point	The 3D point from which the distance is to be determined.
center	The center point of the circle.
radius	The radius of the circle.
normal	The normal vector of the circle's plane. It is perpendicular to the plane.

Returns

The shortest distance between the line and the circle.

distancePointToLine() [1/2]

DllExport double jm::distancePointToLine	(	const Vertex3 &	point,
		const Vertex3 &	lineStart,
		const Vertex3 &	lineEnd,
		bool	extend
	)

This method calculates the minimum distance between a point and a line segment.

Parameters

point	The 3D point from which the distance is to be determined.
lineStart	The starting point of the line segment.
lineEnd	The end point of the line segment.
extend	If set to "true", the intersection point can be determined even if it lies beyond the line segment. If set to "false", one of the end points of the line segment is returned as the "intersection point" if the point is outside the line segment.

Returns

The shortest distance between the line segment and the point.

distancePointToLine() [2/2]

DllExport double jm::distancePointToLine	(	const Vertex3 &	point,
		const Vertex3 &	position,
		const Vertex3 &	direction
	)

This method calculates the minimum distance between the given point and the line.

Parameters

point	The 3D point from which the distance is to be determined.
position	The position vector or any point on the line.
direction	The direction vector of the line.

Returns

The shortest distance between the line and the point.

distancePointToPlane()

DllExport double jm::distancePointToPlane	(	const Vertex3 &	point,
		const Vertex3 &	position,
		const Vertex3 &	normal
	)

This method calculates the point on the line that has the minimum distance to the plane.

Parameters

point	The 3D point from which the distance is to be determined.
position	Any point on the plane.
normal	The normal vector of the plane.

Returns

The point on the line with the minimum distance to the plane.

distancePointToPoint() [1/2]

DllExport double jm::distancePointToPoint	(	const Vertex2 &	point1,
		const Vertex2 &	point2
	)

This method calculates the minimum distance between two points in 3D space.

Parameters

point1	The first point.
point2	The second point.

Returns

The distance between the first and second point.

distancePointToPoint() [2/2]

DllExport double jm::distancePointToPoint	(	const Vertex3 &	point1,
		const Vertex3 &	point2
	)

This method calculates the minimum distance between the two points in 3D space.

Parameters

point1	The first point.
point2	The second point.

Returns

The distance between the first and second point.

divFloor()

DllExport int64 jm::divFloor	(	int64	x,
		int64	y
	)

Divide one integer by another and round towards minus infinity.

Parameters

x	Dividend
y	Divisor

Returns

The quotient, rounded towards minus infinity.

doubleMaschineEpsilon()

DllExport double jm::doubleMaschineEpsilon

(

)

This function calculates the relative machine accuracy for double values. Should be 1.11022e-16 for 64 bit. Some literature sources also give 2.22045e-16 as accuracy.

ExecDir()

DllExport String jm::ExecDir ( )

extern

This method returns the directory where the application is being executed.

Returns

The directory where the application is being executed.

ExecName()

DllExport String jm::ExecName ( )

extern

This method returns the name of the current application.

ExecPath()

DllExport String jm::ExecPath ( )

extern

This method returns the path of the executing application. It consists of the directory name and the application name.

Returns

The path of the executing application.

extensionPointOnArc()

DllExport Vertex2 jm::extensionPointOnArc	(	const Vertex2 &	rayorigin,
		const Vertex2 &	direction,
		const Vertex2 &	center,
		double	radius,
		double	start,
		double	end
	)

This method checks if a ray (line) intersects with a circular arc. The direction of the ray is crucial.

This method is used for tasks such as extending lines, trimming lines, drawing hatches, etc. Hence, it is an essential method for CAD work. If the ray intersects with the circular arc between or on the endpoints, the intersection point is returned. If the ray intersects the circular arc twice, the closest intersection point is returned.

Parameters

rayorigin	The origin point of the ray. This is the point from which we check if the lines intersect. (Position vector of the line)
direction	The direction vector in which the ray points.
center	The center point of the circular arc.
start	The start angle of the circular arc in radians.
end	The end angle of the circular arc in radians.

Returns

The defined vector if the intersection point exists. If the intersection point does not exist, the vector has NaN entries.

extensionPointOnEllipse()

DllExport Vertex2 jm::extensionPointOnEllipse	(	const Vertex2 &	rayorigin,
		const Vertex2 &	direction,
		const Vertex2 &	center,
		const Vertex2 &	mainAxis,
		double	minorAxisRatio,
		double	start,
		double	end
	)

This method checks if a ray (line) intersects with an elliptical arc. The direction of the ray is crucial.

This method is used for tasks such as extending lines, trimming lines, drawing hatches, etc. Hence, it is an essential method for CAD work. If the ray intersects with the elliptical arc between or on the endpoints, the intersection point is returned. If the ray intersects the elliptical arc twice, the closest intersection point is returned.

Parameters

rayorigin	The origin point of the ray. This is the point from which we check if the lines intersect. (Position vector of the line)
direction	The direction vector in which the ray points.
center	The center point of the ellipse.
mainAxis	The direction and length of the major axis (from the center).
minorAxisRatio	The ratio of the minor axis to the major axis.
start	The start angle of the elliptical arc in radians.
end	The end angle of the elliptical arc in radians.

Returns

The defined vector if the intersection point exists. If the intersection point does not exist, the vector has NaN entries.

extensionPointOnLine()

DllExport Vertex2 jm::extensionPointOnLine	(	const Vertex2 &	rayorigin,
		const Vertex2 &	direction,
		const Vertex2 &	start,
		const Vertex2 &	end
	)

This method checks if a ray (line) intersects with a line between or on its endpoints. The direction of the ray is crucial.

This method is used for tasks such as extending lines, trimming lines, drawing hatches, etc. Hence, it is an essential method for CAD work. If the ray intersects with the line between or on the endpoints, the intersection point is returned.

Parameters

rayorigin	The origin point of the ray. This is the point from which we check if the lines intersect. (Position vector of the line)
direction	The direction vector in which the ray points.
start	The start point of the line to be compared.
end	The end point of the line to be compared.

Returns

The defined vector if the intersection point exists. If the intersection point does not exist, the vector has NaN entries.

floatMaschineEpsilon()

DllExport float jm::floatMaschineEpsilon

(

)

This function calculates the relative machine accuracy for float values. Should be at 32 bit should be 5.96046e-08. Some literature sources also give 1.19209e-07 as accuracy.

interpolate() [1/4]

DllExport Color jm::interpolate	(	Color	colour1,
		Color	colour2,
		float	percent
	)

interpolate() [2/4]

DllExport double jm::interpolate	(	double	begin,
		double	end,
		double	percent
	)

This method interpolates the numerical value between begin and end.

Parameters

begin	Start value for interpolation.
end	End value for the interpolation.
percent	Shift value between 0 and 1

interpolate() [3/4]

DllExport double jm::interpolate	(	double	vbegin,
		double	vend,
		double	begin,
		double	end,
		double	position
	)

This method interpolates the numerical value between vbegin and vend.

Parameters

vbegin	Start value for interpolation.
vend	End value for the interpolation.
begin	lower value than position. Begin of range to calculate the percentage for interpolation.
end	bigger value than position. End of range to calculate the percentage for interpolation.
position	Value between begin and end to calculate the percentage for interpolation

interpolate() [4/4]

DllExport float jm::interpolate	(	float	begin,
		float	end,
		float	percent
	)

This method interpolates the numerical value between begin and end.

Parameters

begin	Start value for interpolation.
end	End value for the interpolation.
percent	Shift value between 0 and 1

intersectionPoint() [1/2]

DllExport Vertex2 jm::intersectionPoint	(	const Vertex2 &	position1,
		const Vertex2 &	direction1,
		const Vertex2 &	position2,
		const Vertex2 &	direction2
	)

This method calculates the two-dimensional intersection point of two lines defined by their starting points and direction vectors.

Parameters

position1	The starting point of the first line.
direction1	The direction vector of the first line.
position2	The starting point of the second line.
direction2	The direction vector of the second line.

Returns

The intersection point of the two lines. If the lines are parallel or collinear, the point has NaN values.

intersectionPoint() [2/2]

DllExport Vertex3 jm::intersectionPoint	(	const Vertex3 &	position1,
		const Vertex3 &	direction1,
		const Vertex3 &	position2,
		const Vertex3 &	direction2
	)

This method calculates the three-dimensional intersection point of two lines defined by their starting points and direction vectors.

Parameters

position1	The starting point of the first line.
direction1	The direction vector of the first line.
position2	The starting point of the second line.
direction2	The direction vector of the second line.

Returns

The intersection point of the two lines. If the lines are parallel or skew, the point has NaN values.

intersectionPointLineAndPlane()

DllExport Vertex3 jm::intersectionPointLineAndPlane	(	const Vertex3 &	planePosition,
		const Vertex3 &	normal,
		const Vertex3 &	linePosition,
		const Vertex3 &	direction,
		bool	extend
	)

This method calculates the intersection point of a line and a plane using the normal form.

Parameters

planePosition	The position vector of the plane.
normal	The normal vector of the plane.
linePosition	The position vector of the line.
direction	The direction vector of the line.
extend	The line equation can define a line segment if we assume that linePosition is the starting point of the line and (linePosition+direction) is the end point of the line. If extend = true, then the intersection point is calculated on the mathematical line. If false, the intersection point is chosen only on the line segment. That means if the point is outside, one of the end points is returned as the "intersection point". This "feature" is especially useful when you want to find the shortest distance to line segments. If there is no intersection point, an invalid vector is returned.

intersectionPointsOfCircles()

DllExport void jm::intersectionPointsOfCircles	(	const Vertex2 &	center1,
		double	radius1,
		const Vertex2 &	center2,
		double	radius2,
		Vertex2 &	intersection1,
		Vertex2 &	intersection2
	)

This method calculates the intersection point of 2 circles.

Parameters

center1	The center point of the first circle.
radius1	The radius of the first circle.
center2	The center point of the second circle.
radius2	The radius of the second circle.
intersection1	The 1st intersection points of the two circles. If the circles do not intersect, the points have NaN values.
intersection2	The 1st intersection points of the two circles. If the circles do not intersect, the points have NaN values.

isEqual()

DllExport bool jm::isEqual	(	double	v1,
		double	v2
	)

This method checks whether the two values are identical, taking resabs into account, are identical. Therefore |v2-v1| < RESABS applies. So if RESABS is the different, then the value is already is no longer the same. IT MUST BE LESS THAN EPSILON.

Returns

The result of v1==v2

isGreater()

DllExport bool jm::isGreater	(	double	v1,
		double	v2
	)

This method checks whether the first value is greater than the second, taking resabs into account.

Returns

The result of v1>v2

isGreaterEqual()

DllExport bool jm::isGreaterEqual	(	double	v1,
		double	v2
	)

This method checks whether the first value is greater than or equal to the second, taking resabs into account.

Returns

The result of v1<v2

isLess()

DllExport bool jm::isLess	(	double	v1,
		double	v2
	)

This method checks whether the first value is lower than the second, taking resabs into account.

Returns

The result of v1<v2

isLessEqual()

DllExport bool jm::isLessEqual	(	double	v1,
		double	v2
	)

This method checks whether the first value is lower or equal to the second, taking resabs into account.

Returns

The result of v1<=v2

isLinearIndependent()

DllExport bool jm::isLinearIndependent	(	const Vertex3 &	v1,
		const Vertex3 &	v2,
		const Vertex3 &	v3
	)

This method checks whether the three vectors are linearly independent. The vectors are linearly independent if the determinant of a 3x3 matrix in which the 3 vectors are the columns, is not equal to 0.

Returns

true if the vectors are linearly independent.

isNaN()

DllExport bool jm::isNaN

(

double

d

)

This method checks whether the number is "Not a Number".

Parameters

d	The value to be checked.

Returns

The result of d!=d

isNotEqual()

DllExport bool jm::isNotEqual	(	double	v1,
		double	v2
	)

This method checks whether the first value is not equal to the second, taking resabs into account.

Returns

The result of v1!=v2

isPointOnCircle()

DllExport bool jm::isPointOnCircle	(	const Vertex3 &	point,
		const Vertex3 &	center,
		double	radius,
		const Vertex3 &	normal
	)

This method checks if a given point lies on a circle, taking into account a specified tolerance.

Parameters

point	The 3D point for which the distance is to be determined.
center	The center point of the circle.
radius	The radius of the circle.
normal	The normal vector, perpendicular to the plane of the circle.

Returns

"true" if the point lies on the circle, within the specified tolerance, otherwise "false".

isPointOnLine() [1/2]

DllExport bool jm::isPointOnLine	(	const Vertex3 &	point,
		const Vertex3 &	lineStart,
		const Vertex3 &	lineEnd,
		bool	extend
	)

This method checks whether a given point lies on the line segment, taking into account a specified tolerance.

Parameters

point	The 3D point for which the distance is to be determined.
lineStart	The starting point of the line segment.
lineEnd	The end point of the line segment.
extend	Flag indicating whether the intersection point should be determined even if it lies beyond the line segment ends. If set to "false", NaN will be returned.

Returns

"true" if the point lies on the line segment, within the specified tolerance and considering the extend flag, otherwise "false".

isPointOnLine() [2/2]

DllExport bool jm::isPointOnLine	(	const Vertex3 &	point,
		const Vertex3 &	position,
		const Vertex3 &	direction
	)

This method checks whether a given point lies on the line, taking into account a specified tolerance.

Parameters

point	The 3D point for which the distance is to be determined.
position	The position vector or any point on the line.
direction	The direction vector of the line.

Returns

"true" if the point lies on the line, within the specified tolerance, otherwise "false".

isPointOnPlane()

DllExport bool jm::isPointOnPlane	(	const Vertex3 &	point,
		const Vertex3 &	position,
		const Vertex3 &	normal,
		double	maxDistance = 0.0
	)

This method checks if the given point lies on the plane, taking into account the specified tolerance.

Parameters

point	The 3D point for which the distance is to be determined.
position	The position vector or any point on the plane.
normal	The normal vector, perpendicular to the plane.
maxDistance	The maximum tolerated distance to the plane.

Returns

"true" if the point lies on the plane, within the specified tolerance, otherwise "false".

isSamePoint()

DllExport bool jm::isSamePoint	(	const Vertex3 &	point1,
		const Vertex3 &	point2
	)

This method checks if both points are identical, taking into account a specified tolerance.

The points are considered identical if the distance between them is smaller than the tolerance.

Parameters

point1	The first 3D point.
point2	The second 3D point.

Returns

"true" if both points are identical within the specified tolerance, otherwise "false".

modFloor()

DllExport int64 jm::modFloor	(	int64	x,
		int64	y
	)

Calculates the residual value after dividing one integer by another and rounds the quotient towards minus infinity.

Parameters

x	Dividend
y	Divisor

Returns

Residual value

ocsMatrix()

DllExport Matrix jm::ocsMatrix

(

const Vertex3 &

extrusion

)

This method calculates the OCS transformation matrix using the "Arbitrary Axis Algorithm" from the DXF reference.

Parameters

extrusion

The extrusion vector used for the transformation.

ocsToWcs()

DllExport Vertex3 jm::ocsToWcs	(	const Vertex3 &	ocs,
		const Vertex3 &	extrusion
	)

This method converts Object Coordinate System (OCS) coordinates to World Coordinate System (WCS) coordinates.

Parameters

ocs	The input OCS coordinates.
extrusion	The extrusion vector used for the transformation.

Returns

The corresponding WCS coordinates.

operator!=() [1/3]

DllExport bool jm::operator!=	(	Color const &	c1,
		Color const &	c2
	)

operator!=() [2/3]

DllExport bool jm::operator!=	(	const Vertex3 &	v1,
		const Vertex3 &	v2
	)

Implementation of the operator !=.

operator!=() [3/3]

DllExport bool jm::operator!=	(	Vertex2 const &	v1,
		Vertex2 const &	v2
	)

Implementation of the operator -=.

operator*() [1/10]

DllExport Matrix jm::operator*	(	const double &	d,
		const Matrix &	b
	)

Implementation of the operator d * M (scalar multiplication).

operator*() [2/10]

DllExport const Vector jm::operator*	(	const double &	d,
		const Vector &	v
	)

Implementation of the operator *.

operator*() [3/10]

DllExport Matrix jm::operator*	(	const Matrix &	A,
		const double &	d
	)

Implementation of the operator M * d (scalar multiplication).

operator*() [4/10]

DllExport Matrix jm::operator*	(	const Matrix &	A,
		const Matrix &	B
	)

Implementation of the operator M * M (matrix multiplication).

operator*() [5/10]

DllExport Vector jm::operator*	(	const Matrix &	A,
		const Vector &	b
	)

Implementation of the operator M * v (matrix multiplication with a vector). The matrix must be square.

operator*() [6/10]

DllExport Vertex3 jm::operator*	(	const Matrix &	A,
		const Vertex3 &	b
	)

Implementation of the operator M * v (matrix multiplication with a vector). The matrix must be 3x3.

operator*() [7/10]

DllExport Vertex2 jm::operator*	(	const Vertex2 &	v1,
		double	d
	)

Implementation of the operator *.

operator*() [8/10]

DllExport Vertex3 jm::operator*	(	const Vertex3 &	v1,
		double	d
	)

Implementation of the operator *.

operator*() [9/10]

DllExport Vertex2 jm::operator*	(	double	d,
		const Vertex2 &	v
	)

Implementation of the operator *.

operator*() [10/10]

DllExport Vertex3 jm::operator*	(	double	d,
		const Vertex3 &	v
	)

Implementation of the operator *.

operator+() [1/4]

DllExport Color jm::operator+	(	Color const &	c1,
		Color const &	c2
	)

operator+() [2/4]

DllExport Matrix jm::operator+	(	const Matrix &	A,
		const Matrix &	B
	)

Implementation of the operator M + M (matrix addition).

operator+() [3/4]

DllExport const Vector jm::operator+	(	const Vector &	v1,
		const Vector &	v2
	)

Implementation of the operator +.

operator+() [4/4]

DllExport const Vertex2 jm::operator+	(	const Vertex2 &	v1,
		const Vertex2 &	v2
	)

Implementation of the operator +.

operator-() [1/4]

DllExport Color jm::operator-	(	Color const &	c1,
		Color const &	c2
	)

operator-() [2/4]

DllExport Matrix jm::operator-	(	const Matrix &	A,
		const Matrix &	B
	)

Implementation of the operator M - M (matrix subtraction).

operator-() [3/4]

DllExport const Vector jm::operator-	(	const Vector &	v1,
		const Vector &	v2
	)

Implementation of the operator -.

operator-() [4/4]

DllExport const Vertex2 jm::operator-	(	const Vertex2 &	v1,
		const Vertex2 &	v2
	)

Implementation of the operator -.

operator/()

DllExport Matrix jm::operator/	(	const Matrix &	b,
		const double &	d
	)

Implementation of the operator M / d (scalar division).

operator==() [1/3]

DllExport bool jm::operator==	(	Color const &	c1,
		Color const &	c2
	)

operator==() [2/3]

DllExport bool jm::operator==	(	const Vertex2 &	v1,
		const Vertex2 &	v2
	)

Implementation of the operator ==.

operator==() [3/3]

DllExport bool jm::operator==	(	const Vertex3 &	v1,
		const Vertex3 &	v2
	)

Implementation of the operator ==.

osResourceRead()

jm::ByteArray jm::osResourceRead

(

const jm::String &

path

)

osSystemLanguage()

jm::String jm::osSystemLanguage

(

)

powerOf2()

DllExport bool jm::powerOf2

(

int

x

)

This method checks whether the number passed is a power of 2.

Parameters

x	The number to be checked.

Returns

Returns true if the number is a power of 2 (i.e. 1,2,4,8,16 etc.), otherwise false.

probability()

DllExport bool jm::probability

(

double

percent

)

randomly determines whether the specified probability is fulfilled.

PropertyDir()

DllExport File jm::PropertyDir ( )

extern

This method returns the directory where the current application stores its settings.

Returns

The directory where the application's settings are stored.

radToDeg()

DllExport double jm::radToDeg

(

double

rad

)

This function converts the angle from radians into degrees.

Parameters

rad	Given angle in radians (e.g. PI/2 for 90°).

Returns

Returns the angle in degrees.

random() [1/2]

DllExport double jm::random

(

)

Returna a random number between 0.0 and 1.0.

Note

Not safe in sense of cryptography. Just an arbitrary number.

random() [2/2]

DllExport int32 jm::random	(	int32	lower,
		int32	upper
	)

Returns a random integer number.

Note

Not safe in sense of cryptography. Just an arbitrary number.

Parameters

lower	Lower inclusive limit of the value range to be returned.
upper	Upper inclusive limit of the value range to be returned.

ResourceDir()

DllExport File jm::ResourceDir ( const String &  bundleId )

extern

This method returns the directory where the current application should search for resources.

Parameters

bundleId

The identifier of the application bundle (same as Bundle-Id for macOS).

Returns

The directory where the application should search for resources.

round()

DllExport int64 jm::round

(

double

d

)

This function rounds a number commercially to the integral number.

Parameters

d	Number to be rounded.

Returns

Integer number.

roundFrac() [1/2]

DllExport double jm::roundFrac	(	double	f,
		int64	digits
	)

This function rounds a number to the desired number of decimal places.

Note

Please note that the exact value cannot always be determined due to the accuracy of the machine.

Parameters

f	Number to be rounded.

Returns

Rounded number

roundFrac() [2/2]

DllExport float jm::roundFrac	(	float	f,
		int32	digits
	)

This function rounds a number to the desired number of decimal places.

Note

Please note that the exact value cannot always be determined due to the accuracy of the machine.

Parameters

f	Number to be rounded.

Returns

Rounded number

serializeBEInt16()

DllExport size_t jm::serializeBEInt16	(	uint8 *	buffer,
		size_t	offset,
		int16	value
	)

This method serializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeBEInt24()

DllExport size_t jm::serializeBEInt24	(	uint8 *	buffer,
		size_t	offset,
		int32	value
	)

This method serializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeBEInt32()

DllExport size_t jm::serializeBEInt32	(	uint8 *	buffer,
		size_t	offset,
		int32	value
	)

This method serializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeBEInt64()

DllExport size_t jm::serializeBEInt64	(	uint8 *	buffer,
		size_t	offset,
		int64	value
	)

This method serializes a number using the Big-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeBEUInt16()

DllExport size_t jm::serializeBEUInt16	(	uint8 *	buffer,
		size_t	offset,
		uint16	value
	)

serializeLEDouble() [1/2]

DllExport size_t jm::serializeLEDouble	(	jm::ByteArray &	buffer,
		size_t	offset,
		double	value
	)

serializeLEDouble() [2/2]

DllExport size_t jm::serializeLEDouble	(	uint8 *	buffer,
		size_t	offset,
		double	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeLEFloat()

DllExport size_t jm::serializeLEFloat	(	uint8 *	buffer,
		size_t	offset,
		float	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeLEInt16()

DllExport size_t jm::serializeLEInt16	(	uint8 *	buffer,
		size_t	offset,
		int16	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeLEInt24()

DllExport size_t jm::serializeLEInt24	(	uint8 *	buffer,
		size_t	offset,
		int32	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeLEInt32() [1/2]

DllExport size_t jm::serializeLEInt32	(	jm::ByteArray &	buffer,
		size_t	offset,
		int32	value
	)

serializeLEInt32() [2/2]

DllExport size_t jm::serializeLEInt32	(	uint8 *	buffer,
		size_t	offset,
		int32	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeLEInt64()

DllExport size_t jm::serializeLEInt64	(	uint8 *	buffer,
		size_t	offset,
		int64	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

serializeLEUInt16()

DllExport size_t jm::serializeLEUInt16	(	uint8 *	buffer,
		size_t	offset,
		uint16	value
	)

This method serializes a number using the Little-Endian method.

Parameters

buffer	The byte buffer where the number will be written.
offset	The zero-based index of the position where the first byte is located.
value	The number to be converted.

Returns

Returns the number of bytes written.

sign()

DllExport int16 jm::sign

(

double

d

)

This function returns the sign of a number.

Parameters

d	The number whose sign is to be determined.

Returns

-1, if negative, 0 for 0 and 1 for positive d.

solveLinearSystem()

DllExport Vertex2 jm::solveLinearSystem	(	Vertex2	a,
		Vertex2	b,
		Vertex2	r
	)

This method solves a linear system of equations with two unknowns: r.x = x * a.x + y * b.x r.y = x * a.y + y * b.y The system is solved for x and y. Matrix notation: a b r | a.x b.x | * | x | = | r.x | | a.y b.y | | y | | r.y |.

swap() [1/5]

DllExport void jm::swap	(	double &	v1,
		double &	v2
	)

This method swaps the two variables in place.

swap() [2/5]

DllExport void jm::swap	(	int32 &	v1,
		int32 &	v2
	)

This method swaps the two variables in place.

swap() [3/5]

DllExport void jm::swap	(	uint16 &	v1,
		uint16 &	v2
	)

This method swaps the two variables in place.

swap() [4/5]

DllExport void jm::swap	(	uint32 &	v1,
		uint32 &	v2
	)

This method swaps the two variables in place.

swap() [5/5]

DllExport void jm::swap	(	uint8 &	v1,
		uint8 &	v2
	)

This method swaps the two variables in place.

TempDir()

DllExport File jm::TempDir ( )

extern

URLDecode()

DllExport String jm::URLDecode ( const String &  str )

extern

URLEncode()

DllExport String jm::URLEncode ( const String &  str )

extern

UserDir()

DllExport File jm::UserDir ( )

extern

This method returns the user directory.

wcsMatrix()

DllExport Matrix jm::wcsMatrix

(

const Vertex3 &

extrusion

)

This method calculates the WCS transformation matrix using the "Arbitrary Axis Algorithm" from the DXF reference.

Parameters

extrusion

The extrusion vector used for the transformation.

Returns

The WCS transformation matrix.

wcsToOcs()

DllExport Vertex3 jm::wcsToOcs	(	const Vertex3 &	wcs,
		const Vertex3 &	extrusion
	)

This method converts World Coordinate System (WCS) coordinates to Object Coordinate System (OCS) coordinates.

Parameters

wcs	The input WCS coordinates.
extrusion	The extrusion vector used for the transformation.

Returns

The corresponding OCS coordinates.

Variable Documentation

RESABS

double const jm::RESABS = 1E-6

This value defines when two points or values are considered identical. This serves to catch numerical inaccuracies and the resulting errors. The predefined value can be changed, but this may change the calculations considerably. 1E-6 is highly recommended as the highest value.