topic Re: Sketch Rendering style.........VERY SLOW...WTH happened? in Visualization

Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Thu, 11 May 2023 10:03:06 GMT

I'm not sure but now....when I try to do a "sketch" rendering....it's taking for ever to render something that used to take seconds.

I used to use the "Kohn-nor" technique with small minor adjustments on the lines, shawdow, thickness, distortion..etc...but now...it appears this "sketch" technique takes forever?

it doesn't want to finish the rendering?
what gives here folks?

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Thu, 17 Jul 2014 00:46:49 GMT

this rendering took 10 seconds....when I click on the "shadows" radio button.....it comes to a grinding halt...WTF?

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

Laszlo Nagy — Thu, 17 Jul 2014 16:44:12 GMT

I suspect that 3D has a high polygon count because of all those tree leaves. When you turn on shadows, it tries to generate all those shadows of all those leaves, which increases rendering time dramatically.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 06:06:12 GMT

OK...I'll try to render tomorrow "without" the trees turned on ......see if that helps.
thank you.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

Anonymous — Fri, 18 Jul 2014 06:58:28 GMT

Rob,
You can turn off the shadow casting for the trees within the settings for the trees if they are standard ArchiCAD trees.

If you need the shadows from the trees on the ground etc you could render a view with a simplified version of the trees and then composite the two images in Photoshop (or if on a Mac Pixelmator)

Regards,
Scott

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 13:00:54 GMT

I'll try to turn off the "shadow casting" on the tree objects themselves.
then I'll try creating the sketch without the trees all together....I'm not sure what changed but before.....the sketch render technique used to take seconds....now it's hoggin'.

sboydturner wrote:
Rob,
You can turn off the shadow casting for the trees within the settings for the trees if they are standard ArchiCAD trees.

If you need the shadows from the trees on the ground etc you could render a view with a simplified version of the trees and then composite the two images in Photoshop (or if on a Mac Pixelmator)

Regards,
Scott

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 13:22:39 GMT

here's where it hangs.
see attached observations.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 13:23:37 GMT

again....I used to use this "sketch" technique quite often....now I can't seem to get sketches with or without trees...nor can't even seem to finish ONE sketch image.
somethings not right here.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 13:27:41 GMT

here are my "sketch" settings by the way.
I can't seem to figure out WTF is causing the sketch NOT to render quickly....

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 13:28:16 GMT

here

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

Anonymous — Fri, 18 Jul 2014 17:29:22 GMT

Hi Rob,

Could you run a test with the following modification to your settings:

Under View, 3D View Mode, 3D Window Settings... , set the Transparency in Shading to "off". You may have something in the interior that is hanging the render generation. Or it could be something within the distant neighbor's house.

Hopeful that helps,
Ric

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 20:37:09 GMT

will definately try that tonight! and report back findings.....thank you so much.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

rob2218 — Fri, 18 Jul 2014 22:25:05 GMT

very sad....just tried it...STILL hangs.
there's some setting with the "shadows" hatch pattern as it diagonally is making the hatch....it's hangin up....not making the hatch diagonal pattern as quickly as it should.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

muzedesigns — Wed, 01 Aug 2018 01:01:55 GMT

Hi Robb2218,

Did you ever figure out a solution for this? I am on day 3 of a render still waiting for it to finish!!

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

Anonymous — Wed, 01 Aug 2018 08:34:30 GMT

If your computer specs as listed in your signature are correct you do not have nearly enough RAM, you really need at least 16Gb

Regards,
Scott

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

muzedesigns — Wed, 01 Aug 2018 23:37:00 GMT

Thats for pointing that out Scott, they were the specs 5 computers ago .
The image finished processing this morning after around 68 hours.. 3 more images to go.. Any ideas?

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

Erwin Edel — Thu, 02 Aug 2018 06:43:40 GMT

What size is the render? What settings?

Shadows in Sketch render take very long.

If you are going to overlay the sketch on top of another render in a photo editing program, that will have shadows already.

If you want to keep things colour-free (sort of), a quick white model cinerender render of the same shot will get you shadows a lot quicker.

If you have a very high polycount (for example a lot of trees / hedges with individual leaf materials), that might be a problem. Also consider that a lot of small leafs will just end up as a nearly massive mass of black lines, not the sort of thing to associate with a tree.

Bumping anti-alias to 4 also increases render times a lot, while not really looking all that much different from having it set at 2.

Re: Sketch Rendering style.........VERY SLOW...WTH happened?

muzedesigns — Sat, 04 Aug 2018 09:21:00 GMT

Thanks. My poly count will be large due to a large number of vehicles. I have switched my method, using ArchiCAD 22 Window settings to white model.

Thanks peeps.