Karsten,
Your new node is a godsend.....which makes you a....?
Here, a ptArray is deformed with a curve, which makes for a delightfully simple way of generating a parametric surface.
James
PS Karsten, if you are now open for suggestions; this is a big one: it requires 2 nodes to work in unison. Firstly a image import node and secondly a node that converts greyscale values to numArray (à la Max's heightMap script). These num values may be z value for a ptArray, however they may alternatively be radii of circles (Che) or scale values or whatever............ Could Be Good!
This not even a request, just something to get you excited about. In the meantime there is no end of fun possible with your latest node.
Below image: using circle attractor
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