Method drawPolygon

SRC/renderer/X11Renderer.cpp:385–441

int 
X11Renderer::drawPolygon(const Matrix &pos, const Vector &data, int tag, int mode)

{
#ifdef _G3DEBUG
  if (pos.noCols() != 3) {
    opserr <<"X11Renderer::drawPolygon - matrix needs 3 cols\n";
    return -1;
  }
  if (pos.noRows() != data.Size()) {
    opserr <<"X11Renderer::drawPolygon - matrix & vector incompatible\n";
    return -1;
  }
#endif

  FACE *theFace = new FACE();	

  float posX,posY,posZ, r, g, b;
  double value;
  MYPOINT *point;

  // add POINTs to the FACE  
  int numRows = pos.noRows();
  for (int i=0; i<numRows; i++) {
    posX = pos(i,0);
    posY = pos(i,1);
    posZ = pos(i,2);
    value = data(i);
    r = theMap->getRed(value);
    g = theMap->getGreen(value);
    b = theMap->getBlue(value);      

    if (aFile == 1) {
      theFile << posX << " " << posY << " " << posZ << " " << r 
	      << " " << g << " " << b << " " << endln;
    }	

    point = new MYPOINT(1,posX,posY,posZ);
    point->r = r;
    point->g = g;
    point->b = b;
    
    theFace->AddPoint(*point);
  }

  // display the face
  FACE &res1 = theView->transform(*theFace);
  // opserr << "X11Renderer: face after view " << theFace;      
  FACE &res2 = theProjection->transform(res1);
  // opserr << "X11Renderer: face after projection " << theFace;        
  FACE &res3 = theClipping->transform(res2);
  // opserr << "X11Renderer: face after clipping " << theFace;          
  FACE &res4 = theViewport->transform(res3);
  // opserr << "X11Renderer: face after viewport " << theFace;            
  theScan->scanPolygon(res4);
  return 0;  
}