NAME¶

SoMFMatrix — multiple-value field containing any number of 4x4 matrices

INHERITS FROM¶

SoField > SoMField > SoMFMatrix

SYNOPSIS¶

#include <Inventor/fields/SoMFMatrix.h>

Methods from class SoMFMatrix:

void setValue(float a11, float a12, float a13, float a14, float a21, float a22, float a23, float a24, float a31, float a32, float a33, float a34, float a41, float a42, float a43, float a44)

static SoType getClassTypeId()

virtual void getTypeId() const

const SbMatrix & operator [](int i) const

const SbMatrix * getValues(int start) const

int find(const SbMatrix & targetValue, SbBool addIfNotFound = FALSE)

void setValues(int start, int num, const SbMatrix *newValues)

void set1Value(int index, const SbMatrix & newValue)

const SbMatrix & operator =(const SbMatrix & newValue)

void setValue(const SbMatrix & newValue)

int operator ==(const SoMFMatrix &f) const

int operator !=(const SoMFMatrix &f) const

SbMatrix * startEditing()

void finishEditing()

Methods from class SoMField:

int getNum() const

void setNum(int num)

virtual void deleteValues(int start, int num = -1)

virtual void insertSpace(int start, int num)

SbBool set1(int index, const char *valueString)

void get1(int index, SbString &valueString)

Methods from class SoField:

void setIgnored(SbBool ignore)

SbBool isIgnored() const

SbBool isDefault() const

virtual SbBool isOfType(SoType type) const

SbBool set(const char *valueString)

void get(SbString &valueString)

void touch()

SbBool connectFrom(SoField *fromField)

SbBool connectFrom(SoEngineOutput *fromEngine)

void disconnect()

SbBool isConnected() const

SbBool isConnectedFromField() const

SbBool getConnectedField(SoField *&writingField) const

SbBool isConnectedFromEngine() const

SbBool getConnectedEngine(SoEngineOutput *&engineOutput) const

void enableConnection(SbBool flag)

SbBool isConnectionEnabled() const

int getForwardConnections(SoFieldList &list) const

SoFieldContainer * getContainer() const

DESCRIPTION¶

A multiple-value field that contains any number of 4x4 matrices.

SoMFMatrices are written to file as sets of 16 floating point numbers separated by whitespace. When more than one value is present, all of the values are enclosed in square brackets and separated by commas; for example, two identity matrices might be written as:

[ 1 0 0 0  0 1 0 0  0 0 1 0  0 0 0 1, 


  1 0 0 0  0 1 0 0  0 0 1 0  0 0 0 1 ]

METHODS¶

void setValue(float a11, float a12, float a13, float a14, float a21, float a22, float a23, float a24, float a31, float a32, float a33, float a34, float a41, float a42, float a43, float a44)

Makes this field contain one and only one value, which is the matrix given by the 16 values.

static SoType getClassTypeId()

virtual void getTypeId() const

Returns the type for this class or a particular object of this class.

const SbMatrix & operator [](int i) const

Returns the i'th value of the field. Indexing past the end of the field (passing in i greater than getNum()) will return garbage.

const SbMatrix * getValues(int start) const

Returns a pointer into the array of values in the field, starting at index start. The values are read-only; see the startEditing()/finishEditing() methods for a way of modifying values in place.

int find(const SbMatrix & targetValue, SbBool addIfNotFound = FALSE)

Finds the given value in the array and returns the index of that value in the array. If the value is not found, -1 is returned. If addIfNotFound is set, then targetValue is added to the end of the array (but -1 is still returned).

void setValues(int start, int num, const SbMatrix *newValues)

Sets num values starting at index start to the values in newValues. The array will be automatically be made larger to accomodate the new values, if necessary.

void set1Value(int index, const SbMatrix & newValue)

Sets the index'th value in the array to newValue. The array will be automatically expanded, if necessary.

const SbMatrix & operator =(const SbMatrix & newValue)

void setValue(const SbMatrix & newValue)

Sets the first value in the array to newValue, and deletes the second and subsequent values.

int operator ==(const SoMFMatrix &f) const

int operator !=(const SoMFMatrix &f) const

Returns TRUE if all of the values of this field equal (do not equal) those of the given field. If the fields are different types FALSE will always be returned (even if one field is an SoMFFloat with one value of 1.0 and the other is an SoMFInt with a value of 1, for example).

SbMatrix * startEditing()

void finishEditing()

startEditing() returns a pointer to the internally-maintained array that can be modified. The values in the array may be changed, but values cannot be added or removed. It is illegal to call any other editing methods between startEditing() and finishEditing() (e.g. set1Value(), setValue(), etc).

Fields, engines or sensors connected to this field and sensors are not notified that this field has changed until finishEditing() is called. Calling finishEditing() always sets the isDefault() flag to FALSE and informs engines and sensors that the field changed, even if none of the values actually were changed.