Hi folks, I'm looking for some comments/suggestions on how to deal with 3D model filename resolution. My current 3D refactor branch behaves in much the same way as the main branch except that I can specify many model search paths. Issues with this scheme include:
1. how do we deal with multiple equivalent filenames 2. when the file's full path is not a superset of an existing search path how do we ensure that the stored path is a valid path on MSWin/Linux/ OSX? For (1) I'm thinking we can use a scheme similar to fp-lib-table where we specify a 'nickname' for a base path and provide for an optional comment/ description. The chief issue I see with this scheme is that the kicad_pcb file will have to contain the nickname within the model name and earlier versions of kicad will not be able to process project files which have the nickname in the model name. This may not be such a big problem as the user can do a string replacement to transform the names, but if data is being shared both ways between 2 different kicad versions then the model naming can be a nuisance. For (2) I was thinking of converting the path to a path relative to the project directory. So "/home/user/models/a3dmodel.wrl" or "c:\models\a3dmodel.wrl" might become something like "../models/a3dmodel.wrl". The relative path will not necessarily exist on another computer but at least we don't have the complication of a MSWin vs UNIX file path root. Any comments/suggestions? - Cirilo
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