hi, does someone know of a solution to draw only a segment of a circle/disk in GEM? thanks, marius.
Perhaps [curve]?
.hc
On May 6, 2008, at 3:47 PM, marius schebella wrote:
hi, does someone know of a solution to draw only a segment of a circle/ disk in GEM? thanks, marius.
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bit of a workaround, but you could put an ellipse on the top of a triangle.
i don't think gem has either geometries built in, but you can make a triangle with the [polygon] object, and then make an ellipse by making a circle, and then using the [scale] object to squash it down a bit.
this would work for sections of less than a quarter circle. for greater amounts, you would have to add more triangle/ellipse sections.
marius schebella a écrit :
hi, does someone know of a solution to draw only a segment of a circle/disk in GEM? thanks, marius.
you can :
- draw a full circle and cut it with glClipPlane
- draw a line made of lot's of segments, computing the coordinate of each point with sin / cos
cyrille
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cyrille henry -
Hans-Christoph Steiner -
hard off -
marius schebella