Hi, we have talked a lot about putting some sort of CAD-like "drawing functions" into JOSM. The most important use case for these is creating true rectangular shapes.
There are many ideas how this could be done, and most have some merit. I have implemented one of these to play around with and get an idea how it could work. This method works a bit like Google's "sketchup" tool which is relatively user friendly. Download the experimental JOSM version from here: http://www.remote.org/frederik/tmp/josm-with-extrude.jar Now, to draw a rectangle, do this: * first draw a simple two-node way along one of the edges of the building. * select the "geometry" tool on the left hand side (the one with the triangular ruler as an icon) * using the mouse, grab the centre of the line you have drawn and pull it in either direction. A rectangle is drawn. * release the mouse. Two new nodes are inserted, and your two-node way is changed into an area. The best thing about this is that you can continue to work with the rectangle, i.e. if you now insert two nodes at one side of the rectangle: o------o----o------o and grab the middle bit and pull it up or down, again two new nodes will be inserted into your shape. I'm sure this will still have a lot of quirks, please tell me what they are. For this demo, I have created an extra mode, which is a bit sad since we were just about to get rid of tons of mode changes. Do you think there is good way how we could integrate this functionality into the standard drawing mode? Currently, when in standard drawing mode, dragging a way does nothing, so we could theoretically put this functionality in there. This would be good since drawing a complex building might require inserting lots of nodes and extruding lines alternatingly. On the other hand, maybe we will introduce more drawing functions like this extrusion and it is good to group them in an extra mode...? Any feedback is welcome. Bye Frederik -- Frederik Ramm ## eMail [EMAIL PROTECTED] ## N49°00'09" E008°23'33" _______________________________________________ josm-dev mailing list [email protected] http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/josm-dev
