It becomes very difficult for designers to produce a topographic map or obtain GIS data. But sketchup, the globally recognized free 3d modeling software, can help the designers to generate the model of a topographic map efficiently and easily.
In this regard, Designer Hacks presents an exclusive sketchup video tutorial. Initially you have to learn how to import your google map inside sketchup.
In this video, one will get some handy sketchup tips to simplify the process :-
Ensure that the terrain is toggled on.
After that generate a grouped rectangle for the complete project. Replicate that rectangle for expansion.
Tricks for pro users: Apply and asterisk '*' and provide a number to multiply copies according to your choice.
Open up and rupture your terrain. Divide your grouped slicing planes through the exploded terrain. Cloak or remove your slicing planes to obtain a topographic map!
In case you like to exclude the faces, just right click on one and 'choose all with identical material' and press delete button.
While dealing with a flat map, make a supplementary surface below your lines & wraps the lines over that surface with the use of sketchup sandbox tool.