h is known to have the same density in both directions (i.e. W == H) then you can take the square root of the total number and figure out the number of points in both directions.
If however the mesh is not square, there's no easy way to really figure out whether it's supposed to be 20×5 or 5×20, or 10×10 or 25×4 or 4×25. You might be able to figure it out by looking at mesh topology, i.e. which faces are connected by edges, but that takes a lot of coding. You might also be able to figure it out by looking at the shape of the mesh, to try and find a single column of points by their positions, but this will require some pretty heavy duty heuristics.
--
David Rutten
david@mcneel.com
Seattle, WA…
Added by David Rutten at 12:07pm on November 22, 2010
umber of operations on both branches, and then re-separate them.
I tried to play with the flip matrix node, but I am dealing with lists with different lengths, and I am not sure how to handle all the steps in between so that the end result can easily be separated.
thanks,
Dimitar
…
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- C
{2;0} (N=61) - D
{2;1} (N=60) - E
{2;2} (N=61) - F
group 2:
{0;0} (N=10) - U
{0;1} (N=10) - V
{0;2} (N=10) - W
{0;3} (N=10) - X
{0;4} (N=10) - Y
{0;5} (N=10) - Z
the idea case is I can merge those date sets in a pattern of A-U-B-V-C-W-D-X-E-Y-F-Z...so on
therefore I am thinking how could I modify the path on group 2 and make them becomes things like:
{0;0} (N=10) - U
{0;1} (N=10) - V
{0;2} (N=10) - W
{1;0} (N=10) - X
{1;1} (N=10) - Y
{1;2} (N=10) - Z
but I have no idea how could I modify the path in that way....
can anyone show me how to?…
Added by Preston Chan at 8:34pm on October 26, 2010
With this in mind:
1. Create the mesh and the face normals and the desired W pts - where W = the "top" pts (you did it already). Get nodeToNode connectivity data.
2. Extract W pts connectivity data (by doing a tmp mess using the W pts). Connectivity data are trees where - in this: nodeToNode case - a given branch main dimension index is the node index (within a given nodes List) and the items are the indices of the neighbor nodes (within the very same nodes List).
3. Connect the W pts using data from steps 1/2 as above. …