How to remove inner line after boolean?

[hid]

I am struggle how to remove the inner line after boolean for drawing contour. I know that line comes because of connecting primitive as same height, but the both side of points are not neighbor so they are random...

If you know how to remove that line, I would like you to tell me.

[ikoon]

Hi, you may try the Hole SOP. It has an "Un-bridge Holes" option.

Edited December 2, 2020 by ikoon
typo

[hid]

@ikoon

Thank you for good solution! That works well.

I appreciate you~

[hid]

Sorry, though that solution works for still image,

I realized those line come up if I try to animate.

Maybe Boolean SOP is not good for animation.. Or if you know the solution, I would like to try.

Thank you

boolean animation.mov

[ikoon]

Hi, you may try other approaches, try to google Houdini isolines, or contour lines, terrain curves. For example here on odforce:

https://forums.odforce.net/topic/40535-heightfield-isolines/

https://forums.odforce.net/topic/28306-topo-lines-terrain-curves/

 

[Librarian]

WE had That File from 2016 you can use any gradient on any shape, Houdini its all about Colors----------------->link

 

vector bb=getbbox_size(0);
vector bmax=getbbox_max(0);
vector bmin=getbbox_min(0);
float green_line=chf("GreenLine");

if(green_line!=1.0)
    @Cd=set(abs(fit(@P.y,fit01(green_line,bmin.y-bb.y,bmax.y),bmax.y,0,1))*0.5,fit(@P.y, bmin.y, bmax.y, 0.5, 1),abs(fit(@P.y,fit01(green_line,bmin.y-bb.y,bmax.y)
,bmax.y,0,1))*0.5);
else
    @Cd=set(0.0, fit(@P.y, bmin.y, bmax.y, 0.5, 1), 0.0);

 

[hid]

Thank you very much!

Those tips should make me draw nice image!