Add Inventory Item : Draw on Map

1. Draw on Map
2. Draw the object with a single click on the MapCanvas.

1. Draw on Map
2. The Contour Editor appears at the top of the MapCanvas
   
   Draw the object on the map using contour editor :
   1. Click to start drawing a new object
   2. Continue clicking to add points to the line or area.
      During drawing it is still possible to use the right-click context menu to pan or zoom the MapCanvas.
   3. End by a right-click to open the context menu and choose “Stop”.
      During drawing from the 3rd point on, use <Shift> to create a new line perpendicular to the previous line.
3. Close the Contour Editor by clicking the rightmost cross icon.

Edit 3D Objects on 2D MapCanvas
When editing or inserting vertices to 3D objects (drawn on Panoramas or in 3D View)on the 2D MapCanvas Orbit will re-use the Z from the previous object vertex. Completely new objects will have no Z value (Z = 0)!

Navigate on MapCanvas
All pan and zoom functions to navigate on the MapCanvas are still available. If required the draw function can be re-activated from the contour editor.