/3/ - 3DCG » Thread #498711

[20 / 5 / ?]

134KiB, 462x599, 462px-Subdiv_stepdownguide.png

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Anonymous Mon 19 Oct 2015 20:46:17 No.498711 View Reply Report Delete

Quoted By:

What is this used for?

Anonymous

Anonymous Mon 19 Oct 2015 20:49:17 No.498713 Report Delete

Quoted By:

probably an example of how certain subdivision tech works

Anonymous

Anonymous Mon 19 Oct 2015 20:49:31 No.498714 Report Delete

Quoted By: >>498715

Edge loop flow control. Maintaining quadrilateral topology.

Anonymous

Anonymous Mon 19 Oct 2015 20:55:31 No.498715 Report Delete

Quoted By: >>498724 >>498729

>>498714
And how would i go about using this? because i think its meant to be for like soft areas on the lower side and hard areas on the top side.

Anonymous

Anonymous Mon 19 Oct 2015 21:32:18 No.498724 Report Delete

Quoted By: >>498727 >>498735

>>498715

No you retard, top is unsmoothed and bottom is subdivided.

A before and after.

It shows additional deformation caused which you need to be aware of if you use this kind of workflow.

If you don't know how to use it then you don't know enough for it to be of any value.

Anonymous

Anonymous Mon 19 Oct 2015 22:33:55 No.498727 Report Delete

Quoted By:

>>498724
Explaining its smooth mesh preview when OP is asking about smooth mesh preview.

Anonymous

Anonymous Mon 19 Oct 2015 22:44:23 No.498729 Report Delete

Quoted By: >>498731

>>498715

It's ways to terminate loops and what deformation effect they have when subdivided. Read the text above the sections.

Have 5 loops and want to turn them into 3? do 5 to 3.

Anonymous

Anonymous Mon 19 Oct 2015 23:12:00 No.498731 Report Delete

Quoted By:

>>498729
>Have 5 loops and want to turn them into 3? do 5 to 3.
Ah, So. I was kinda right. If i want something super detailed on this side but i want it to be smooth on the other side i'd terminate it into a small amount of edge loops to prevent errors.

thank you.

Anonymous

Anonymous Mon 19 Oct 2015 23:25:09 No.498735 Report Delete

Quoted By: >>498737 >>498738

>>498724
Before and after? The bottom isn't a subdiv mesh of the top you complete and utter moron. Are you incapable of counting?

Anonymous

Anonymous Mon 19 Oct 2015 23:41:44 No.498737 Report Delete

Quoted By:

>>498735
>what are isolines
>implying polygons can be curved

Come back when you have some experience.

Anonymous

View Same Google ImgOps iqdb SauceNAO 1445301977862.png, 160KiB, 462x599

Anonymous Mon 19 Oct 2015 23:43:35 No.498738 Report Delete

Quoted By: >>498740

>>498735

Not only are you retarded, but you're fucking blind too? Go to fucking bed.

Anonymous

Anonymous Tue 20 Oct 2015 00:03:22 No.498740 Report Delete

Quoted By: >>498742 >>498743 >>498790

>>498738
Oh look, some retard wrote 'subdivided' and 'unsubdivided' - It must be correct.
That bottom mesh isn't subdivided; it's smoothed.
Subdividing is a method of smoothing, but that isn't it.

Anonymous

Anonymous Tue 20 Oct 2015 00:07:58 No.498742 Report Delete

Quoted By:

>>498740

Ah, I can tell that you're clearly an imbecile. There's no point in trying to talk sense into you.

Anonymous

Anonymous Tue 20 Oct 2015 00:09:32 No.498743 Report Delete

Quoted By: >>498745 >>498751

>>498740

are you trying to say that the bottom mesh ISN'T subdivided?

That there are no additional polygons?

Explain the curvature of the lines then.

Go on, I'll wait right here.

Anonymous

View Same Google ImgOps iqdb SauceNAO retards.jpg, 171KiB, 462x599

Anonymous Tue 20 Oct 2015 00:29:38 No.498745 Report Delete

Quoted By: >>498748 >>498751 >>498772

>>498743
>That there are no additional polygons?

There are no additional polygons.
>pic related

Anonymous

Anonymous Tue 20 Oct 2015 00:33:51 No.498748 Report Delete

Quoted By: >>498751

>>498745

Jesus fucking christ, anon.

Look at the curvature of the lines you fucking idiot.

Anonymous

Anonymous Tue 20 Oct 2015 00:49:44 No.498751 Report Delete

Quoted By: >>498757 >>498772

>>498748

see >>498743
>That there are no additional polygons?

see >>498745
>pic related

Anonymous

View Same Google ImgOps iqdb SauceNAO 9777.jpg, 121KiB, 859x463

Anonymous Tue 20 Oct 2015 01:02:51 No.498757 Report Delete

Quoted By:

>>498751

Protip, these two meshes have the same polycount. Except one shows the edgeflow of the mesh before smoothing as showing the post-smoothed wireframe is pointless.

Anonymous

Anonymous Tue 20 Oct 2015 04:09:16 No.498772 Report Delete

Quoted By:

>>498745
>>498751
How do you think those lines get curved? It's because they are being subdivided. And you now what happens when you subdivide? You create more polygons... It's simply that it's DYNAMIC subdivision, it only temporarily subdivides it instead of applying it as an operation. Your GPU is still rendering just as many polys as if you manually subdivided the model up.

Anonymous

View Same Google ImgOps iqdb SauceNAO 1376602956082.jpg, 36KiB, 409x409

Anonymous Tue 20 Oct 2015 10:49:27 No.498790 Report Delete

Quoted By:

>>498740

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