v5.0
modeling drawing
Manipulates a point of a curve (isopoint) to control its position or one of its tangents.
oReturn = CurveDirectManip( [SubComp], [ImmediateMode], [Mode], [X], [Y], [Z] ); |
An XSICollection of Operator objects.
| Parameter | Type | Description |
|---|---|---|
| SubComp | String | A curve isopoint as Components.
Default Value: Current selection |
| ImmediateMode | siOperationMode | Specifies whether or not the operator should be immediately
frozen.
Default Value: siPersistentOperation |
| Mode | siCurveIsopointManipMode | Mode of manipulation
Default Value: siCurveIsopointPositionManipMode |
| X | Double | Displacement along the X axis of the object frame. For a position modification the new isopoint position will be: posX = posX + X For a tangent modification the new tangent will be: tangentX = tangentX + X Default Value: 0.000000 |
| Y | Double | Displacement along the Y axis of the object frame. For a position modification the new isopoint position will be: posY = posY + Y For a tangent modification the new tangent will be: tangentY = tangentY + Y Default Value: 0.000000 |
| Z | Double | Displacement along the Z axis of the object frame. For a position modification the new isopoint position will be: posZ = posZ + Z For a tangent modification the new tangent will be: tangentZ = tangentZ + Z Default Value: 0.000000 |
' ' This example creates a m-shape cubic curve, converts the middle knot to Bezier, then controls ' its position, its forward tangent and finally its backward tangent so the end result is ' a nice m shape consisting of two adjacent identical arcs. ' SICreateCurve "crvlist", 3, 0 SIAddPointOnCurveAtEnd "crvlist", -4.00195694716243, -2.00677710843373, 0, False, 0 SIAddPointOnCurveAtEnd "crvlist", -4.00195694716243, -9.78915662650515E-03, 0, False, 0 SIAddPointOnCurveAtEnd "crvlist", -2.00587084148728, 1.98719879518072, 0, False, 0 SIAddPointOnCurveAtEnd "crvlist", -9.78473581213335E-03, -2.00677710843373, 0, False, 0 SIAddPointOnCurveAtEnd "crvlist", 1.98630136986301, 1.98719879518072, 0, False, 0 SIAddPointOnCurveAtEnd "crvlist", 3.98238747553816, -9.78915662650581E-03, 0, False, 0 SIAddPointOnCurveAtEnd "crvlist", 3.98238747553816, -2.00677710843373, 0, False, 0 SetCurveKnotMultiplicity "crvlist.knot[2]", 3, siPersistentOperation CurveDirectManip "crvlist.isopnt[(0,0.500)]", siPersistentOperation, siCurveIsopointPositionAndTangentsManipMode, 1.66533453693773E-16, -1.33132530120482 CurveDirectManip "crvlist.isopnt[(0,0.500)]", siPersistentOperation, siCurveIsopointFwdTangentManipMode, -1.99608610567515, 5.99096385542169 CurveDirectManip "crvlist.isopnt[(0,0.500)]", siPersistentOperation, siCurveIsopointBwdTangentManipMode, 1.99608610567515, 5.99096385542169 |
/*
This example creates a m-shape cubic curve, converts the middle knot to Bezier, then controls
its position, its forward tangent and finally its backward tangent so the end result is
a nice m shape consisting of two adjacent identical arcs.
*/
SICreateCurve("crvlist", 3, 0);
SIAddPointOnCurveAtEnd("crvlist", -4.00195694716243, -2.00677710843373, 0, false, 0, null);
SIAddPointOnCurveAtEnd("crvlist", -4.00195694716243, -9.78915662650515E-03, 0, false, 0, null);
SIAddPointOnCurveAtEnd("crvlist", -2.00587084148728, 1.98719879518072, 0, false, 0, null);
SIAddPointOnCurveAtEnd("crvlist", -9.78473581213335E-03, -2.00677710843373, 0, false, 0, null);
SIAddPointOnCurveAtEnd("crvlist", 1.98630136986301, 1.98719879518072, 0, false, 0, null);
SIAddPointOnCurveAtEnd("crvlist", 3.98238747553816, -9.78915662650581E-03, 0, false, 0, null);
SIAddPointOnCurveAtEnd("crvlist", 3.98238747553816, -2.00677710843373, 0, false, 0, null);
SetCurveKnotMultiplicity("crvlist.knot[2]", 3, siPersistentOperation);
CurveDirectManip("crvlist.isopnt[(0,0.500)]", siPersistentOperation, siCurveIsopointPositionAndTangentsManipMode, 1.66533453693773E-16, -1.33132530120482, null);
CurveDirectManip("crvlist.isopnt[(0,0.500)]", siPersistentOperation, siCurveIsopointFwdTangentManipMode, -1.99608610567515, 5.99096385542169, null);
CurveDirectManip("crvlist.isopnt[(0,0.500)]", siPersistentOperation, siCurveIsopointBwdTangentManipMode, 1.99608610567515, 5.99096385542169, null);
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