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Update Mod/PartDesign/Gui/ViewProviderDatumCS.cpp

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This is a small harmless visual improvement of the LCS representation in the 3D window: it leaves a small empty gap at the origin of the LCS which allows to select the point/vertex on which the LCS is attached
This commit is contained in:
Zolko-123
2024-01-31 21:08:49 +01:00
committed by Chris Hennes
parent dc942368db
commit 59107aab26
1 changed files with 19 additions and 12 deletions
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31
src/Mod/PartDesign/Gui/ViewProviderDatumCS.cpp
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@@ -106,7 +106,7 @@ void ViewProviderDatumCoordinateSystem::attach ( App::DocumentObject *obj ) {
material->diffuseColor.set1Value(0, SbColor(0.f, 0.f, 0.f));
material->diffuseColor.set1Value(1, SbColor(1.f, 0.f, 0.f));
material->diffuseColor.set1Value(2, SbColor(0.f, 0.6f, 0.f));
material->diffuseColor.set1Value(3, SbColor(0.f, 0.f, 1.f));
material->diffuseColor.set1Value(3, SbColor(0.f, 0.f, 0.8f));
SoMaterialBinding* binding = new SoMaterialBinding();
binding->value = SoMaterialBinding::PER_FACE_INDEXED;
@@ -115,29 +115,29 @@ void ViewProviderDatumCoordinateSystem::attach ( App::DocumentObject *obj ) {
getShapeRoot ()->addChild(binding);
getShapeRoot ()->addChild(material);
coord->point.setNum(4);
coord->point.setNum(7);
ViewProviderDatum::setExtents ( defaultBoundBox () );
getShapeRoot ()->addChild(coord);
SoDrawStyle* style = new SoDrawStyle ();
style->lineWidth = 1.5f;
style->lineWidth = 2.0f;
getShapeRoot ()->addChild(style);
PartGui::SoBrepEdgeSet* lineSet = new PartGui::SoBrepEdgeSet();
lineSet->coordIndex.setNum(9);
// X
lineSet->coordIndex.set1Value(0, 0);
lineSet->coordIndex.set1Value(1, 1);
lineSet->coordIndex.set1Value(0, 1);
lineSet->coordIndex.set1Value(1, 2);
lineSet->coordIndex.set1Value(2, SO_END_LINE_INDEX);
// Y
lineSet->coordIndex.set1Value(3, 0);
lineSet->coordIndex.set1Value(4, 2);
lineSet->coordIndex.set1Value(3, 3);
lineSet->coordIndex.set1Value(4, 4);
lineSet->coordIndex.set1Value(5, SO_END_LINE_INDEX);
// Z
lineSet->coordIndex.set1Value(6, 0);
lineSet->coordIndex.set1Value(7, 3);
lineSet->coordIndex.set1Value(6, 5);
lineSet->coordIndex.set1Value(7, 6);
lineSet->coordIndex.set1Value(8, SO_END_LINE_INDEX);
lineSet->materialIndex.setNum(3);
@@ -212,6 +212,8 @@ void ViewProviderDatumCoordinateSystem::onChanged(const App::Property *prop) {
void ViewProviderDatumCoordinateSystem::setExtents (Base::BoundBox3d bbox) {
// Axis length of the CS is 1/3 of maximum bbox dimension, any smarter sizing will make it only worse
double axisLength;
// Empty gap at the origin of the coordinate system, this is a nice experimental value
double centerGap;
if(Zoom.getValue()) {
axisLength = 6 * Zoom.getValue();
@@ -220,10 +222,15 @@ void ViewProviderDatumCoordinateSystem::setExtents (Base::BoundBox3d bbox) {
axisLength *= (1 + marginFactor ()) / 3;
}
centerGap = axisLength / 8.;
coord->point.set1Value ( 0, 0, 0, 0 );
coord->point.set1Value ( 1, axisLength, 0, 0 );
coord->point.set1Value ( 2, 0, axisLength, 0 );
coord->point.set1Value ( 3, 0, 0, axisLength );
coord->point.set1Value ( 1, centerGap, 0, 0 );
coord->point.set1Value ( 2, axisLength, 0, 0 );
coord->point.set1Value ( 3, 0, centerGap, 0 );
coord->point.set1Value ( 4, 0, axisLength, 0 );
coord->point.set1Value ( 5, 0, 0, centerGap );
coord->point.set1Value ( 6, 0, 0, axisLength );
double labelPos = axisLength;
double labelOffset = 0;