tsSurface

class tsSurface : public SoVertexShape

Feedback node, drawing a two dimensional signal as a surface

Inheritance:

Public Fields
SoSFFloat complexity: Old stuff, out of date.
SoSFTime future: Old stuff, out of date.
SoSFTime past: Old stuff, out of date.

Public Methods
virtual SbBool affectsState(): Becasue it is a feedback node, it does not affect the state of an action!
static void initClass(): Makes this class known to the OpenInventor type system.
tsSurface(): Constructor
virtual ~tsSurface(): Destructor

Protected

Action behaviour:

virtual void GLRender(SoGLRenderAction *action): This implements the GL rendering action.
void GLRenderRegular(SoState *state, tsData2RNFloat* dataNode, GLenum GLMode, tsNormal* normalNode, float now, int startIdx, int endIdx): Called from GLRender(), renders regular sampled signal data. Only implemented type!
void GLRenderMarks(SoState *state, tsData1Marks* marksNode, tsData2RNFloat* dataNode, float nowTime, int startIdx, int endIdx)
void GLComputeNormals(const tsData2Base* dataNode, TS_VEC3B_FIELD_TYPE& normalField): Called from GLRender(), when we have to compute our nodes ourself.
SbVec3f GLcomputeNormal(const tsData2RNFloat* dataNode, int indexT, int index2): Computes one normal vector for a vertex in a tsData2RNFloat node
virtual void generatePrimitives(SoAction *action): Produces primitive representation for picking.
virtual void computeBBox(SoAction *action, SbBox3f &box, SbVec3f &center): Computes the bounding box and center of a shape

Private Fields
tsNormal* _myNormals: Points to the normal node of class tsNormals we use for rendering. Got from tsNormalElement or computed by out self.

Private Methods
void _computeIndices(float time, float past, float future, tsDataBase* dataNode, int& startIdx, int& endIdx): Computes the time axis indices (startIdx, endIdx) for windowed drawing between -past and +future
SO_NODE_HEADER(tsSurface): Inventor macro

Documentation

Feedback node, drawing a two dimensional signal as a surface. Uses GL_TRIANGLE_STRIP as GLMode.
Time is mapped to the X-axis,
2nd dimension (spectra: frequency) to Z-axis,
signal values (spectra: amplitude) to Y-axis.
Uses time to render for from tsTimeElement.
Draws marks from a tsDataMarksElement element!
Uses signal data from a tsData2Element. Uses normal vectors from a tsNormalElement or computes and set them, if no fitting normals are set in tsNormalElement.
Material and draw style is standard.
Texture mapping is not yet implemented!

SO_NODE_HEADER(tsSurface)