Curves/Shape From Points Help

[chrisdunham95]

Hey guys, so I'm taking some geo -

- deleting away everything but the boundary points

- in order to then create an edge using the ADD sop 

- take this and create polygons inbetween 

Currently I cant get the winding order/connecting order of my points right on more complex shapes with holes inside as such, heres my hip file any ideas or suggestions would be great!

Thanks, C

 

 

HoudiniHelpAddSop.hip

[chrisdunham95]

So I kind of fixed my issue - by grouping edges of a certain length (long unwanted edges) and then using the dissolve sop and assigning that group that gets me to a better stage - cleaning up the lines atleast

[davpe]

hey,

seems to be pretty easy with dissolve SOP and ends SOP... check the hip file attached.

if you're doing manual point selection to generate a curve from, make sure you make ordered group (that will keep point numbering in correct order for add SOP).

also, GameDev plugin has a node for extracting curves from geo (alongside with few other cool nodes): https://www.sidefx.com/tutorials/game-development-toolset-overview/

 

curves_from_edges.hiplc

Edited June 14, 2018 by davpe

[chrisdunham95]

26 minutes ago, davpe said:

hey,

seems to be pretty easy with dissolve SOP and ends SOP... check the hip file attached.

if you're doing manual point selection to generate a curve from, make sure you make ordered group (that will keep point numbering in correct order for add SOP).

also, GameDev plugin has a node for extracting curves from geo (alongside with few other cool nodes): https://www.sidefx.com/tutorials/game-development-toolset-overview/

 

curves_from_edges.hiplc

Ahhh I see I totally forgot about the ends sop! Thanks a lot man, 

From this point I'm still struggling to then create clean geometry between the points (polyfill/cap) does the job to an extent but not nicely 

- and the polypath node also somewhat works, perhaps is what I'm after but doesn't take into consideration edge loops inside of others and thus creates one giant polygon rather than one with holes inside if that makes sense 

 

Edited June 14, 2018 by chrisdunham95

[davpe]

hm, if you already have some surface, remesh SOP should make a reasonable triangular topology to it. from there it really depends what you need to achieve... there some nice tools to generate quad mesh too