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I have an IFC file (exported from Revit) that has a transformation matrix applied to it for real world coordinates:

ifc_transUnfortunately, the transformation xy parameters are off by a factor 1000. What would be an appropriate transformer to change this applied transformation matrix? It might be CSmapReprojector, but I can't find how to modify my custom transformation parameters? How do those even need to look here? Thanks!

My recommendation would be to use the Affiner.

Example that multiplies all X and Y coordinates by 1000:

2020-11-03 14_29_37-Affiner ParametersBe sure to read the help first, in particular how the values entered into the parameters affect the output.


My recommendation would be to use the Affiner.

Example that multiplies all X and Y coordinates by 1000:

2020-11-03 14_29_37-Affiner ParametersBe sure to read the help first, in particular how the values entered into the parameters affect the output.

Hi David, couldn't to it with the Affine Parameters Transformer, but it worked with the Offsetter Transformer (needed to insert the absolute values)...thanks for leading me in the right direction at least!


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