I need help to make a script to place non-linear spaced points along a non-planar curve.

I can of course make evenly spaced points with arraycurve using:

// point factory to create point at start of myCurve.
pointfactory = moi.command.createFactory('point'); 
pointfactory.setInput(0, myCurve.getStartPt());
var myPtObject = pointfactory.calculate(); // Create the start point.
pointfactory.update();

// arraycurve to evenly space the start point object along the curve.
arrayfactory = moi.command.createFactory('arraycurve'); 
arrayfactory.setInput(0, myPtObject); // Point added to start of curve
arrayfactory.setInput(1, myCurve); // Curve name.
arrayfactory.setInput(2, 'NumItems'); // Array Mode. 
arrayfactory.setInput(3, maxPts); // Number of evenly spaced points along the curve.
arrayfactory.update(); // Generate the points array and add to the geometry database.
myArrayPoints = arrayfactory.getCreatedObjects();

The result needs to be similar as shown in this posting (using ShiftArray.js) , except along myCurve rather than a straight path:
http://moi3d.com/forum/index.php?webtag=MOI&msg=5595.4

I don't care if the last point lands exactly at the end of the curve, or the total number of points. The spacing criteria (defined by a scale factor formula) will determine how many points will fit on the curve.

This script will be part of a larger script, so it's not a one-time event. If making this one-time I'd probably create my non-linear spaced points in a straight line, then Flow onto myCurve.

Any ideas are appreciated.

Ed Ferguson

Hi Ed, here is an example script command that uses flow to map some points from an internally defined line onto a selected curve. Hope that is what you were looking for.

- Michael

Thanks Michael - That's perfect! I can work with this.

Just define and add base.pts as required.

Ed Ferguson