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Gui: add function View3DInventorViewer::projectPointToLine and expose to Python

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This commit is contained in:
wmayer
2021-12-12 12:49:53 +01:00
parent 4dae213b45
commit b6527a7098
4 changed files with 53 additions and 2 deletions
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21
src/Gui/View3DInventorViewer.cpp
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@@ -2597,7 +2597,7 @@ SbRotation View3DInventorViewer::getCameraOrientation() const
return cam->orientation.getValue();
}
SbVec3f View3DInventorViewer::getPointOnFocalPlane(const SbVec2s& pnt) const
SbVec2f View3DInventorViewer::getNormalizedPosition(const SbVec2s& pnt) const
{
const SbViewportRegion& vp = this->getSoRenderManager()->getViewportRegion();
@@ -2620,6 +2620,12 @@ SbVec3f View3DInventorViewer::getPointOnFocalPlane(const SbVec2s& pnt) const
pY = (pY - 0.5f*dY) / fRatio + 0.5f*dY;
}
return SbVec2f(pX, pY);
}
SbVec3f View3DInventorViewer::getPointOnFocalPlane(const SbVec2s& pnt) const
{
SbVec2f pnt2d = getNormalizedPosition(pnt);
SoCamera* pCam = this->getSoRenderManager()->getCamera();
if (!pCam) return SbVec3f(); // return invalid point
@@ -2636,7 +2642,7 @@ SbVec3f View3DInventorViewer::getPointOnFocalPlane(const SbVec2s& pnt) const
SbLine line;
SbVec3f pt;
SbPlane focalPlane = vol.getPlane(focalDist);
vol.projectPointToLine(SbVec2f(pX,pY), line);
vol.projectPointToLine(pnt2d, line);
focalPlane.intersect(line, pt);
return pt;
@@ -2718,6 +2724,17 @@ SbVec3f View3DInventorViewer::projectOnFarPlane(const SbVec2f& pt) const
return pt2;
}
void View3DInventorViewer::projectPointToLine(const SbVec2s& pt, SbVec3f& pt1, SbVec3f& pt2) const
{
SbVec2f pnt2d = getNormalizedPosition(pt);
SoCamera* pCam = this->getSoRenderManager()->getCamera();
if (!pCam) return;
SbViewVolume vol = pCam->getViewVolume();
vol.projectPointToLine(pnt2d, pt1, pt2);
}
void View3DInventorViewer::toggleClippingPlane(int toggle, bool beforeEditing,
bool noManip, const Base::Placement &pla)
{