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69 lines
2.7 KiB
Python
69 lines
2.7 KiB
Python
# Creation of a Curve
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import geompy
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import salome
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gg = salome.ImportComponentGUI("GEOM")
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# create vertices and vectors
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p0 = geompy.MakeVertex(0. , 0. , 0. )
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p1 = geompy.MakeVertex(50. , 100., 200.)
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p2 = geompy.MakeVertex(150., 50., 100.)
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p3 = geompy.MakeVertex(100., 150., 170.)
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p4 = geompy.MakeVertex(200., 200., 150.)
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v1 = geompy.MakeVectorDXDYDZ(0, 1, 0)
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v2 = geompy.MakeVectorDXDYDZ(1, 0, 0)
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# create a polyline from a list of points
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polyline = geompy.MakePolyline([p0, p1, p2, p3, p4])
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# create a bezier curve from a list of points
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bezier = geompy.MakeBezier([p0, p1, p2, p3, p4])
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#create a b-spline curve from a list of points
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interpol = geompy.MakeInterpol([p0, p1, p2, p3, p4], False)
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#create a b-spline curve with defined directions at the ends
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interpol_tangents = geompy.MakeInterpolWithTangents([p0, p1, p2, p3, p4], v1, v2)
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#create a polyline using parametric definition of the basic points
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param_polyline = geompy.MakeCurveParametric("t", "sin(t)", "cos(t)", 0., 100., 100, geompy.GEOM.Polyline, theNewMethod=True)
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# create a bezier curve using parametric definition of the basic points
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param_bezier = geompy.MakeCurveParametric("t", "sin(t)", "cos(t)", 0., 100., 20, geompy.GEOM.Bezier, theNewMethod=True)
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#create a b-spline curve using parametric definition of the basic points
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param_interpol = geompy.MakeCurveParametric("t", "sin(t)", "cos(t)", 0., 100., 100, geompy.GEOM.Interpolation, theNewMethod=True)
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# add objects in the study
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id_p0 = geompy.addToStudy(p0, "Point1")
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id_p1 = geompy.addToStudy(p1, "Point2")
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id_p2 = geompy.addToStudy(p2, "Point3")
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id_p3 = geompy.addToStudy(p3, "Point4")
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id_p4 = geompy.addToStudy(p4, "Point5")
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id_v1 = geompy.addToStudy(v1, "Vector1")
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id_v2 = geompy.addToStudy(v2, "Vector2")
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id_polyline = geompy.addToStudy(polyline, "Polyline")
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id_bezier = geompy.addToStudy(bezier, "Bezier")
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id_interpol = geompy.addToStudy(interpol, "Interpol")
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id_interpol_tangents = geompy.addToStudy(interpol_tangents, "Interpol Tangents")
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id_param_polyline = geompy.addToStudy(param_polyline, "Polyline Parametric")
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id_param_bezier = geompy.addToStudy(param_bezier, "Bezier Parametric")
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id_param_interpol = geompy.addToStudy(param_interpol, "Interpol Parametric")
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# display the points and the curves
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gg.createAndDisplayGO(id_p0)
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gg.createAndDisplayGO(id_p1)
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gg.createAndDisplayGO(id_p2)
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gg.createAndDisplayGO(id_p3)
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gg.createAndDisplayGO(id_p4)
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gg.createAndDisplayGO(id_polyline)
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gg.createAndDisplayGO(id_bezier)
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gg.createAndDisplayGO(id_interpol)
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gg.createAndDisplayGO(id_interpol_tangents)
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gg.createAndDisplayGO(id_param_polyline)
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gg.createAndDisplayGO(id_param_bezier)
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gg.createAndDisplayGO(id_param_interpol)
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