Autodesk 663B1-05A111-1001 User Guide - Page 265
Using the PropMod script, Modification Falloff: NURBS Curve, Example
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12 | Basics Menus Reference > Modify > Transformation Tools > Proportional Modification Tool Anim. Curve Enter the name of an existing animation curve. Its vertical direction maps into the modification factor. The distance maps to the anim curve time axis (in seconds). You can use the drop-down list to the right of the box to list and select all the anim curves with names starting with propModAnimCurve. You can also create one of those by choosing Create New from the same drop-down list. Scale U, Scale V For Parametric (NURBS) Modification type only. Distance Based On The distance from the manipulator handle to the object directly influences the modification factor. The distance is computed along the selected axes only. Modification Falloff: NURBS Curve For World Modification type only. This option uses a NURBS curve to create the falloff. A NURBS curve profile can be used to produce a modification factor. Enter the name of an existing NURBS curve. Its vertical direction maps into the modification factor. The distance maps to the NURBS curve. You can use the drop-down list to the right of the box to list and select from all the NURBS curves. Using the PropMod script The PropMod script is similar to the Move script except that it has additional settings for the move distance. Using the Script option, you can compute each object's factor individually. The user-defined script command considers both the position of the manipulator and the object. The value returned by the script is used as a multiplying factor for a specific object. Example Create myPropMove.mel file as: global proc float myPropMove (float $mx, float $my, float $mz, float $px, float $py, float $pz) { float $value = rand (1.0); return $value; } ...which produces a random value between 0 and 1. If you select myPropMove as the script name, you get a random modification factor for all selected points. Basics 265
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