geomss.geom.reader.iges

Class Entity124_TransformationMatrix

java.lang.Object

geomss.geom.reader.iges.Entity

geomss.geom.reader.iges.Entity124_TransformationMatrix

public class Entity124_TransformationMatrix
extends Entity

TRANSFORMATION MATRIX ENTITY - This allows translation and rotation to be applied to other entities. This is used to define alternate coordinate systems for definition and viewing. The transformation matrix entity transforms three-row column vectors by means of matrix multiplication and then a vector addition. This entity can be considered as an "operator" entity in that it starts with the input vector, operates on it as described above, and produces the output vector.

This entity, when read from an IGES file, is converted to a GTransform object. This entity type can not be written out to an IGES file.

Modified by: Joseph A. Huwaldt

Version:

September 13, 2016

Author:

JDN, Version 1.0

Constructor Summary

Constructors

Constructor and Description
Entity124_TransformationMatrix(Part p, DirEntry de) Default constructor.

Method Summary

Modifier and Type	Method and Description
void	check() Checks to see if the entity is correct.
GTransform	getMat() Returns the internal matrix.
java.lang.String	getTypeString() Returns a short String describing this Entity object's type.
void	read(java.io.RandomAccessFile in) Read the Parameter Data from the String read in by the superclass.
java.lang.String	toString() Dump to String.

Methods inherited from class geomss.geom.reader.iges.Entity

blankedStatus, canWrite, getDENum, getErrors, getHeader, getMatrix, getPDNum, getType, getView, hierStatus, read_additional, subordStatus, useStatus, write

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Entity124_TransformationMatrix

public Entity124_TransformationMatrix(Part p,
                                      DirEntry de)

Default constructor. Needs to initialize the internal matrix representation.

Parameters:

p - part to which this entity is contained

de - Directory Entry for this entity

Method Detail

check

public void check()

Checks to see if the entity is correct. The following restrictions are imposed: - The Transformation Matrix Pointer shall be 0

Specified by:

check in class Entity

read

public void read(java.io.RandomAccessFile in)
          throws java.io.IOException

Read the Parameter Data from the String read in by the superclass.

Overrides:

read in class Entity

Parameters:

in - input file

Throws:

java.io.IOException - if there is any problem reading the entity from the IGES file.

getTypeString

public java.lang.String getTypeString()

Returns a short String describing this Entity object's type.

Specified by:

getTypeString in class Entity

Returns:

A short String describing this Entity object's type.

toString

public java.lang.String toString()

Dump to String.

Overrides:

toString in class Entity

Returns:

String containing the resulting text.

getMat

public GTransform getMat()

Returns the internal matrix.

Returns:

GTransform set to the values of the transform matrix.