- * \brief Update and display all objects in the viewer.
- * \param theViewerId viewer identifier
- * \param theIsForced flag used to update all objects, including the unchanged ones
+ * \brief Get the coodinates from the view window, projected on XOY plane
+ * \param theViewWindow a view window
+ * \param theXCoordinate a X coordinate
+ * \param theXCoordinate an Y coordinate
+ * \param theXCoordinate a Z coordinate, has a zero value because of the plane
+ * \return true if the coordinates are got