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Question on Geom_RectangularTrimmedSurface

Genevieve Gauthier's picture
Forums: 

Hi!

i have a Surface (type is Geom_RectangularTrimmedSurface)

i want a patch of that fisrt surface so i call::

Handle (Geom_RectangularTrimmedSurface) surface2 = new Geom_RectangularTrimmedSurface (surface1,u1,u2,v1,v2,Standard_True,Standard_True);

where surface1 is my fisrt Geom_RectangularTrimmedSurface

u1,u2,v1,v2 are the new bounds that are include in the bounds of surface1

Usually the new bounds of surface2 are the same as the input u1,u2,v1,v2 but
sometime the new bounds are differents... and the surface1 is never periodic.

Is Sommebody is able to explain me why ?