Having taken into account the suggestions received by Jazzon (thanks!), I updated my version of Lyle style Wireframe.
THIS VERSION DOES STILL NOT SUPPORT LAYER GROUPS.
None of my filters do.
Thus, all the users who like to use my scripts on an image with layer groups should instead use Jazzon's version (a different thread).
Attachment:
As stated in a previous post, I did modify the "divisor" parameter to accept values > 1, because it's in the spirit of Lyle method (input to 3dElevation should be smaller than expected output).
I also changed the default for the top colour layer (if colour has been selected) to HARDLIGHT instead of COLOR; it's still just a default you may change it as you like unless you flatten the image.
Other interesting results may be obtained using GRAIN_MERGE or SCREEN (set opacity to 70%).
The max output size of the intermediate result coming out from 3dElevation is now 4096 (maximum allowed).
Hope you enjoy it without errors.
Last night my friend Issabella did many tests, so I hope it's now safe (thanks, my friend!).
edit: as soon as other people has tested it, this version will be posted on post#1 to replace the previous one