[Plugin] QuadFaceTools

Re: [Plugin] QuadFaceTools

Postby summerson1990 » Tue Feb 25, 2020 11:06 am

I've got some questions.

1. Why does "convert triangulated mesh to quads" sometimes makes it in two or more steps only? Sometimes it doesn't find all the quads at once and I need to repeat an operation twice or more times. For example to that kind of mesh I had to do it 5 or 6 times to find almost all the quads.

Screenshot_6.jpg


2. But the construction of the quads differs. For example if I import that mesh to SU as .dwg it takes it almost fully quad without any additional manipulations. But if I import it as .3ds it makes me to "convert triangulated mesh to quads" 5-6 times but anyway in some places quads differs from the original quad mesh.

Screenshot_4.jpg


Screenshot_2.jpg


Screenshot_1.jpg



3. Is that possible to export quad mesh from SU to 3ds Max so that mesh could be recognized in 3ds max like quad mesh? I know that SU has no actual quads but maybe that doesn't mean it can't be exported from here to other software like 3ds max being actually quad mesh? Of course if the surface of the mesh created without diagonal edge dividing it to 2 triangles it's ok when I open it in 3ds Max but if the surface divided with diagonal edges in hard surfaces and I try to export it to 3ds max it becomes triangulated and all these diagonal edges appear. I was tried to use different file formats but no success.

Screenshot_3.jpg


Screenshot_5.jpg
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Re: [Plugin] QuadFaceTools

Postby pilou » Tue Feb 25, 2020 11:10 am

Why not export from Max only unwelded quads? (separated)
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Re: [Plugin] QuadFaceTools

Postby summerson1990 » Tue Feb 25, 2020 1:14 pm

pilou wrote:Why not export from Max only unwelded quads? (separated)

I have found that it's probably best of all to export from max as .obj but it can't import UV mapping correctly
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Re: [Plugin] QuadFaceTools

Postby panixia » Fri Feb 28, 2020 2:12 pm

summerson1990 wrote:
pilou wrote:Why not export from Max only unwelded quads? (separated)

I have found that it's probably best of all to export from max as .obj but it can't import UV mapping correctly

Just no. Stay away from the native obj exporter, it will just destroy non planar quads.

Using the obj exporter in quadface tools (not the default sketchup obj exporter or other exporters plugins) , I manage to export models from quadface tools to 3dsMax preserving QFT quads.
Still a lot of workarounds goin'on.

You need to import the obj in max checking the "import as single mesh" and "import as editable poly" and unchecking any "retriangulate" option.

After that, you still need some manual cleanup.
You will notice (at least this is what happen for me so far) that if you edit the mesh in "element" mode from the modify panel, the mesh is generated twice.
There's one big welded element with quads (which is the one you want to preserve) and, overlapped on thop of that, an individual element for each single triangle in the mesh (you want to get rid of that).

What I usually do is to select one random element. If I'm lucky enough, the big quad element is selected. In that case, I just invert selection and hit delete to get rid of the bad duplicated geometry. If I'm less lucky and select a floating triangle I just delete that element and click again in the very same place to be sure i can select the "good mesh".

You have not finished yet.
Once you finished the mesh cleanup, you need to add an unwrap modifier on top of that and check your uv islands.
You'll eventually notice that the island are properly arranged, but there's an unwanted seam for each single QFT quad border.
That's really annoying for me (I'm importing this models after I properly UV map them in Wrap-r and sometime need to do minor rework in Max before export to Unity for VR apps).
If you import such model in Unity as it is, it will have quadruple the vertex count it should, being that vertices at the border of uv-island are split at runtime in Unity (that's how it works in gpu).
That's make for a really poor performing game asset.

What I usally do to fix this problem, is just to activate the vertex mode of max unwrap editor, select all the vertices (assuming you don't have overlapping uv's) and just weld them.

I recently noticed that Wrap-r does a pretty good job exporting quad meshes to 3dsMax in obj format.
You just open the sketchup/qft quad model in wrap-r, do the uv stuff, export an obj from wrap-r and that imports fine with quads in Max.
Still not perfect, because for some reason, the material is imported with 0% opacity set up by default.
Not a big deal if you know it, but the first time this drove me crazy because I was thinking it imported just a wireframe mesh. :|
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Re: [Plugin] QuadFaceTools

Postby Pahalozovo » Tue Mar 03, 2020 11:31 pm

SketchUp 2019 installed QuadFace Tools v0.14.0
Requires TT_Lib2, I did not figure out how to connect it.
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Re: [Plugin] QuadFaceTools

Postby Dave R » Wed Mar 04, 2020 2:31 pm

Pahalozovo wrote:Requires TT_Lib2, I did not figure out how to connect it.


Install TT-Lib.
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Re: [Plugin] QuadFaceTools

Postby Einstein » Wed Mar 04, 2020 8:50 pm

Hi!

I'm thinking...
If I export a model with quad topology using QuadFace Tools' OBJ Exporter and import it to Blender, it should theoretically import with quads retained. In fact, the mesh imports triangulated, as in the screenshot.
Otherwise Blender wouldn't display diagonal edges.

I inspected the topology in SketchUp with QuadFace Tools color analysis and I'm sure I exported quads. Am I doing something wrong? Did you guys try to move quads from SketchUp to Blender?
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Re: [Plugin] QuadFaceTools

Postby panixia » Fri Mar 06, 2020 9:34 am

Einstein wrote:If I export a model with quad topology using QuadFace Tools' OBJ Exporter and import it to Blender, it should theoretically import with quads retained. In fact, the mesh imports triangulated, as in the screenshot.

Did you try to do what I described above about 3dsmax? It could be basically the same in blender..
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Re: [Plugin] QuadFaceTools

Postby Forrest09 » Sun Apr 05, 2020 2:13 am

Hello, is there a way I can hover over an edge and choose where to place the loop instead of inserting it in the middle ? (using Quadface tools)
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Re: [Plugin] QuadFaceTools

Postby panixia » Sun Apr 05, 2020 7:07 pm

Forrest09 wrote:Hello, is there a way I can hover over an edge and choose where to place the loop instead of inserting it in the middle ? (using Quadface tools)


try offset loop.
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Re: [Plugin] QuadFaceTools

Postby Einstein » Wed Apr 08, 2020 12:07 pm

Hi!

Do you know any trick to quickly inset a quad, like in the picture?

The one on the right I did with Fredo's Offset on surface (Tools on surface) but as you can see, it didn't do good job.
The one on the left I made manually but that takes time when I want to make more individual insets.
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Re: [Plugin] QuadFaceTools

Postby panixia » Wed Apr 08, 2020 2:47 pm

A proper inset function would be great..
Meanwhile the best workaround I've found is to perform a small joint push pull with maximum molding amount and then refine with vertex tools. See what I do in this video.

How did you obtain that beautiful dark interface? I need one myself. :enlight:

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Re: [Plugin] QuadFaceTools

Postby Einstein » Wed Apr 08, 2020 7:29 pm

panixia wrote:A proper inset function would be great..
Meanwhile the best workaround I've found is to perform a small joint push pull with maximum molding amount and then refine with vertex tools. See what I do in this video.

How did you obtain that beautiful dark interface? I need one myself. :enlight:



Right, this is quite good workaround :)

As for dark interface: gotta admit I waited for the day somebody would ask about that haha :D
I use Windows 7 and I installed an external system theme that was designed to look like Steam gaming platform. It affected SketchUp appearance. I had to first patch system settings to allow installing external themes but it was easy. Note that the changed theme will affect some other program interfaces too, e.g. ArchiCAD, CorelDRAW, Notepad but not: Blender, Unity, MS Office, Autodesk programs.
If you write me a private message, I'll give you more precise instructions cuz it's an offtop now :)
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Re: [Plugin] QuadFaceTools

Postby panixia » Wed Apr 08, 2020 8:35 pm

Thank you, but unfortunately I'm forced to use windows 10.. :?
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Re: [Plugin] QuadFaceTools

Postby TeKnoel » Mon May 18, 2020 3:30 am

that's some next level quad stuff!! Has anybody had any luck transforming terrain imported through Trimbel's native location importer into quads? It seems like it should be straight forward but it doesn't seem to work well. There seems to be something odd about the exterior edge that causes quadface to ignore it. I'd love some imput on this. I'm trying to figure out a work flow that would alow me to drop a hi rez terrain generated by toposhaper (which works well with quads) into a mesh imported from trimble. the ultimate idea is to bring it into blender to sculpt and paint and the back into sketchup. Its mostly working but the flow is a little janky. If you have any thoughts i'd love to hear them.
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Re: [Plugin] QuadFaceTools

Postby panixia » Mon May 18, 2020 12:48 pm

TeKnoel wrote:Has anybody had any luck transforming terrain imported through Trimbel's native location importer into quads?

I do this all the times. That's not about luck.. All you need are a couple of selection filters and a little bit of reasoning :-P


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Re: [Plugin] QuadFaceTools

Postby Einstein » Tue May 19, 2020 6:34 pm

Is this normal? When I use Offset Loop tool I cannot type offset value in VCB. I can only use graphic inferencing.
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Re: [Plugin] QuadFaceTools

Postby kat_m » Mon May 25, 2020 10:20 pm

I can’t divide it into the required number of segments. There is a number 1, which I can’t change. What is the reason for this?
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Re: [Plugin] QuadFaceTools

Postby Dave R » Thu May 28, 2020 7:10 pm

kat_m wrote:I can’t divide it into the required number of segments.


Can't divide what? Provide an example .skp file so we can see what you are talking about.

What version of SketchUp are you using. Your profile says "2020 Free/Make" but there is no such version. Please correct your profile.
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