CATIA V5 MACROs

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 How to install installation of catia V5 macros
e3extrapol
extrapolates curve with curvature continuity by circular arc.

                Sometimes the internal CATIA V5 function EXTRAPOLATE does unexpected result.
                The result looks like tangential extrapolation even thought the option
                CONTINUITY is set to CURVATURE.
                
                                   
                                   Start the macro and select a curve.
                                   Select the symbol of the end to be extrapolated.
                                   Key length of circular arc.
                                   
                
                                   Here you can see the difference between results.
                
                                   
                
                
                               The source code you can download here.
                
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