mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-04 18:06:22 +03:00
b939a13923
Improve projection of ellipse and circle on a plane in case of the same parametrization of the original curve and the projected one is not necessary. Now the projection is a canonical curve instead of B-spline.
28 lines
750 B
Plaintext
28 lines
750 B
Plaintext
puts ""
|
|
puts "=========================================================================="
|
|
puts "OCC31016: Projection of an ellipse or a circle is a B-spline in some cases"
|
|
puts "=========================================================================="
|
|
puts ""
|
|
|
|
set startPar 1
|
|
set endPar 4.5
|
|
|
|
ellipse c 0 0 0 0 0 1 2 1 0 20 10
|
|
trim c c $startPar $endPar
|
|
plane p 0 0 0 0 1 10
|
|
projonplane r c p 1
|
|
|
|
if {![regexp {BSplineCurve} [dump r]]} {
|
|
puts "ERROR: Projected curve is not a B-spline curve"
|
|
}
|
|
|
|
if {[CheckProjectionToPlane 100 c $startPar $endPar r $startPar $endPar p {} 1.e-6]} {
|
|
puts ""
|
|
puts "OK: All sample points are projected correctly"
|
|
puts ""
|
|
} else {
|
|
puts ""
|
|
puts "ERROR: Projection is incorrect for some points"
|
|
puts ""
|
|
}
|