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CAD tip CAD tip # 8962:

Question CAD 
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Q - question

Project 2D curve to a 3D sphere.

A - answer With the freeware utility CADstudio SphereProj you can project any 2D curve (polyline, spline, arc, line) or a group of curves to a spherical 3D surface.

The add-in application SphereProj can be downloaded - like the other CAD Studio's freeware tools - from Load it with APPLOAD and the run the SphereProj command. After you enter the sphere radius, the command marks a rectangular area that will be projected to the sphere (at 0,0,0). Any curve drawn in this area can be be transferred (projected) to the sphere surface (the horizontal axis of the rectangle will become the "equator" on the sphere, its upper and lower edges will become the north a south "poles"). The 3D projection respects the color of the original 2D curve. You can specify the precision of the conversion - the number of segments that the original curve(s) will be divided to.

If you want to project a text, convert it first to to lines - see the tip 1901. Projection of geometrical entities to an arbitrary 3D surface is described in the tip 7297.

100% *  CAD 
9.12.2012    3607x  
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applies to: AutoCAD ·

See also:
Tip 11074:How to convert a 2D polyline to 3D or vice-versa?
Tip 11068:Unknown icon in an AutoCAD Civil 3D project.
Tip 11054:Difference volume (3D solid) between two TIN surfaces (sets of coordinates)
Tip 10782:The "Render" command is not active.
Tip 10557:Cannot change TAG in Plant 3D.

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