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add methods to get normal and curvature information from surfaces

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wmayer
2017-08-14 12:24:42 +02:00
parent 6482870c8b
commit 3fee9bad3e
4 changed files with 236 additions and 6 deletions
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38
src/Mod/Part/App/GeometrySurfacePy.xml
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@@ -24,15 +24,47 @@
</Methode>
<Methode Name="value">
<Documentation>
<UserDocu>Computes the point of parameter (u,v) on this surface</UserDocu>
<UserDocu>value(u,v) -> Point
Computes the point of parameter (u,v) on this surface</UserDocu>
</Documentation>
</Methode>
<Methode Name="tangent">
<Documentation>
<UserDocu>Computes the tangent of parameter (u,v) on this geometry</UserDocu>
<UserDocu>tangent(u,v) -> (Vector,Vector)
Computes the tangent of parameter (u,v) on this geometry</UserDocu>
</Documentation>
</Methode>
<Methode Name="bounds">
<Methode Name="normal">
<Documentation>
<UserDocu>normal(u,v) -> Vector
Computes the normal of parameter (u,v) on this geometry</UserDocu>
</Documentation>
</Methode>
<Methode Name="isUmbillic">
<Documentation>
<UserDocu>isUmbillic(u,v) -> bool
Check if the geometry on parameter is an umbillic point,
i.e. maximum and minimum curvature are equal.</UserDocu>
</Documentation>
</Methode>
<Methode Name="curvature">
<Documentation>
<UserDocu>curvature(u,v,type) -> float
The value of type must be one of this: Max, Min, Mean or Gauss
Computes the curvature of parameter (u,v) on this geometry</UserDocu>
</Documentation>
</Methode>
<Methode Name="curvatureDirections">
<Documentation>
<UserDocu>curvatureDirections(u,v) -> (Vector,Vector)
Computes the directions of maximum and minimum curvature
of parameter (u,v) on this geometry.
The first vector corresponds to the maximum curvature,
the second vector corresponds to the minimum curvature.
</UserDocu>
</Documentation>
</Methode>
<Methode Name="bounds">
<Documentation>
<UserDocu>
Returns the parametric bounds (U1, U2, V1, V2) of this trimmed surface.