Attachment #462256 for bug #605304




//  Method: convertDisplayToWorld
// Purpose: Convert display coordinates to world coordinates
//============================================================================
bool IVtkTools_ShapePicker::convertDisplayToWorld (vtkRenderer *theRenderer,
                                                   double theDisplayCoord[3],
                                                   double theWorldCoord[3])
{
  // Convert the selection point into world coordinates.
  theRenderer->SetDisplayPoint (theDisplayCoord[0], theDisplayCoord[1], theDisplayCoord[2]);
  theRenderer->DisplayToWorld();

  double* const aCoords = theRenderer->GetWorldPoint();
  if (aCoords[3] == 0.0)
  {
    return false;

Return to bug 605304

Lines 73-87 float IVtkTools_ShapePicker::GetTolerance( ) const Link Here

(-)a/src/IVtkTools/IVtkTools_ShapePicker.cxx (-4 / +4 lines)
73	// Method: convertDisplayToWorld	73	// Method: convertDisplayToWorld
74	// Purpose: Convert display coordinates to world coordinates	74	// Purpose: Convert display coordinates to world coordinates
75	//============================================================================	75	//============================================================================
76	bool IVtkTools_ShapePicker::convertDisplayToWorld (vtkRenderer *theRenderer,	76	bool IVtkTools_ShapePicker::convertDisplayToWorld (vtkRenderer *theRenderer,
77	vtkFloatingPointType theDisplayCoord[3],	77	double theDisplayCoord[3],
78	vtkFloatingPointType theWorldCoord[3])	78	double theWorldCoord[3])
79	{	79	{
80	// Convert the selection point into world coordinates.	80	// Convert the selection point into world coordinates.
81	theRenderer->SetDisplayPoint (theDisplayCoord[0], theDisplayCoord[1], theDisplayCoord[2]);	81	theRenderer->SetDisplayPoint (theDisplayCoord[0], theDisplayCoord[1], theDisplayCoord[2]);
82	theRenderer->DisplayToWorld();	82	theRenderer->DisplayToWorld();
83		83
84	vtkFloatingPointType* const aCoords = theRenderer->GetWorldPoint();	84	double* const aCoords = theRenderer->GetWorldPoint();
85	if (aCoords[3] == 0.0)	85	if (aCoords[3] == 0.0)
86	{	86	{
87	return false;	87	return false;