OpenCascade/occt
1
0
Fork 0
mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-08-19 13:40:49 +03:00
Code Activity

0026357: Visualization - Panning zooms view if aspect ratio > 1

Browse Source
This commit is contained in:
apl
2015-06-19 15:15:11 +03:00
committed by bugmaster
parent b6d779d9cd
commit 539d3a1b7f
2 changed files with 63 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/Graphic3d/Graphic3d_Camera.cxx
View File

@@ -559,8 +559,18 @@ gp_Pnt Graphic3d_Camera::ConvertView2World (const gp_Pnt& thePnt) const
gp_XYZ Graphic3d_Camera::ViewDimensions() const
{
// view plane dimensions
Standard_Real aSizeY = IsOrthographic() ? myScale : (2.0 * Distance() * Tan (DTR_HALF * myFOVy));
Standard_Real aSizeX = myAspect * aSizeY;
Standard_Real aSize = IsOrthographic() ? myScale : (2.0 * Distance() * Tan (DTR_HALF * myFOVy));
Standard_Real aSizeX, aSizeY;
if (myAspect > 1.0)
{
aSizeX = aSize * myAspect;
aSizeY = aSize;
}
else
{
aSizeX = aSize;
aSizeY = aSize / myAspect;
}
// and frustum depth
return gp_XYZ (aSizeX, aSizeY, myZFar - myZNear);