Merge pull request #13906 from Rexbas/align-camera

Align camera to faces and edges

src/App/GeoFeature.cpp

@@ -209,6 +209,13 @@ void GeoFeature::setMaterialAppearance(const App::Material& material)
     Q_UNUSED(material)
 }
 
+bool GeoFeature::getCameraAlignmentDirection(Base::Vector3d& direction, const char* subname) const
+{
+    Q_UNUSED(subname)
+    Q_UNUSED(direction)
+    return false;
+}
+
 #ifdef FC_USE_TNP_FIX
 bool GeoFeature::hasMissingElement(const char* subname)
 {

src/App/GeoFeature.h

@@ -141,6 +141,15 @@ public:
      * appearance from an App::Material object.
      */
     virtual void setMaterialAppearance(const App::Material& material);
+
+    /**
+     * @brief Virtual function to get the camera alignment direction
+     *
+     * Finds a direction to align the camera with.
+     *
+     * @return bool whether or not a direction is found.
+     */
+    virtual bool getCameraAlignmentDirection(Base::Vector3d& direction, const char* subname = nullptr) const;
 #ifdef FC_USE_TNP_FIX
     /** Search sub element using internal cached geometry
      *