[Plugin] Manifold v2.2

Re: [Plugin] Manifold v1.2

Postby TIG » Mon Jan 25, 2010 11:45 am

thomthom wrote:
TIG wrote:Three-faced-edged external-faces now usually kept. [fixed TT's ball-breaker boxy mess :D ]

Very interesting. I was stomped on this when I some time ago tried to make a remove_inner_faces script. Will have to snoop around the code. I'll probably dig up some more fun geometry - thing I got a batch of trouble-samples... :D

That was a quick fix BUT it will fail with very convoluted shapes that have inner faces like driven's pretzel ! I looking at an even better fix...
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Re: [Plugin] Manifold v1.2

Postby EarthMover » Mon Jan 25, 2010 8:12 pm

I'm still a little confused about the use of this plugin. Would it be of any value for anyone who is not doing 3D printing?
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Re: [Plugin] Manifold v1.2

Postby TIG » Mon Jan 25, 2010 8:33 pm

EarthMover wrote:I'm still a little confused about the use of this plugin. Would it be of any value for anyone who is not doing 3D printing?

Probably not... but it does remove internal partition faces in a volume and fixes any 'holes'... :D
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Re: [Plugin] Manifold v1.2

Postby driven » Mon Jan 25, 2010 9:26 pm

any form of additive or subtractive rapid prototyping will require good clean meshes to work from, 3D printing is just one of many format used on a day to day basis.

in more generalised modeling if you ever intersect or bool two solids and then try to continue with more advanced manipulations (readily available to SU ruby users) then chances are at some stage you've had to manually repair the mesh, this tool does it for you.

I was doing test last night using it between bool operations on the standard SU shapes, and was surprised. A. how many little holes it found and B. how many holes the bool tool had left.

Rendering engines that have been developed for solids will perform much quicker on a manifold objects

So if you never use need to modify after intersecting two objects, and only ever upload to google earth or make sheet material products then this type of tool is probably not needed...

john
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Re: [Plugin] Manifold v1.2

Postby driven » Mon Jan 25, 2010 9:35 pm

took 15 mins but did a fine job this one TIG
iClpmpKleanUP2.jpg
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Re: [Plugin] Manifold v1.2

Postby notareal » Mon Jan 25, 2010 9:59 pm

Nice... apart from 3D printing. I think this can be used for healing models for rendering... when dielectric or SSS materials are used, there are a similar requirement as for 3D printing.
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Re: [Plugin] Manifold v1.2

Postby EarthMover » Mon Jan 25, 2010 11:34 pm

notareal wrote:Nice... apart from 3D printing. I think this can be used for healing models for rendering... when dielectric or SSS materials are used, there are a similar requirement as for 3D printing.



Can you elaborate? Curious about the logic of the renderer. Would it be similarly for meshes requiring displacement?
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Re: [Plugin] Manifold v1.2

Postby driven » Mon Jan 25, 2010 11:50 pm

I know when I put a light source inside that dragon before xmas, light leaked out of all the holes in the mesh, so I had to fix them. cap hole didn't do it. you had ago at that one didn't you?
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Re: [Plugin] Manifold v1.2

Postby EarthMover » Tue Jan 26, 2010 12:35 am

I did. I didn't have any issue with light leaks...but I used a higher poly version than most.

I wasn't sure if the plugin subdivided the mesh as well. I guess I should download and try. I keep telling myself I have to stop adding unnecessary plugins as it is becoming hard to deal with a plugins list three pages long!! Time to clean house.
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Re: [Plugin] Manifold v1.2

Postby Chris Fullmer » Tue Jan 26, 2010 12:56 am

Just remember while you are cleaning house, all mine fit nicely into a single menu item :)

TIG, this is a WAAAY COOL plugin! I have no idea how it works, but it has been on my list of plugins I'd like to write some day. This is invaluable for file conversion and mesh cleanup and 3d printing, and, and, and...

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Re: [Plugin] Manifold v1.2

Postby driven » Tue Jan 26, 2010 5:30 am

Volume2.rb v Manifold1.2.jpg


some time check, sorry the fonts so small.
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Re: [Plugin] Manifold v1.2

Postby EarthMover » Tue Jan 26, 2010 1:14 pm

Chris Fullmer wrote:Just remember while you are cleaning house, all mine fit nicely into a single menu item :)

TIG, this is a WAAAY COOL plugin! I have no idea how it works, but it has been on my list of plugins I'd like to write some day. This is invaluable for file conversion and mesh cleanup and 3d printing, and, and, and...

Chris


....and I can't thank you enough for having the foresight to do that. I wish there were some way to better organize all the scripters plugins as you have with yours.
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Re: [Plugin] Manifold v1.3

Postby TIG » Tue Jan 26, 2010 6:41 pm

Here's v1.3 viewtopic.php?p=218691#p218691

1.3 20100126
Trapped near colinear/planar points giving healing crashes.
Very small edges [0.1mm] now 'erased' by combining their vertices.
Orienting faces is now 'foolproof' - unless it's not made 'manifold'.
Now it only asks Yes/No to change to Xray mode if that's not on already.
Unhealed or Failed Fixes now reported, with failed edges shown as ... or -.- clines in Error Group.
[TIP: Move or Copy the error-group to one side to better see any errors - but if there are red/green faces obscuring the error dotted-lines showing problem edges etc then edit this error-group by treble clicking on a face till you have selected all then delete-key - now the error dotted-lines [clines] can be seen... manually edit and then retry 'manifold']

TO DO: Get three-faced-edges external-faces to be retained in 'pretzels'. :roll: groan......

Feedback please...
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Re: [Plugin] Manifold v1.3

Postby driven » Tue Jan 26, 2010 7:40 pm

I was about to post a drawing with timings for 1.2 and VolumeCalc2, so I'lll re-run it with 1.3, should be interesting..... cheers TIG, watch this space
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Re: [Plugin] Manifold v1.3

Postby thomthom » Tue Jan 26, 2010 7:44 pm

Tig, did you see this post by Google's Tyler: viewtopic.php?f=15&t=25175&p=218997#p218989

Might be useful to predict when SU will be able to create faces/edges?
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Re: [Plugin] Manifold v1.3

Postby driven » Tue Jan 26, 2010 10:36 pm

Hi all

can anyone confirm if they can see TIGtoolbar, while running manifold1.3, this drawing really slow compared to 1.2 and I just noticed I don't have the TIG-RRby icons in the toolbar which have never vanished before....

johnEDIT: TOOLbar sorted didn't update TIG folder in my rush to try 1.3, so that shouldn't effect performance, must be something else
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Last edited by driven on Tue Jan 26, 2010 11:08 pm, edited 1 time in total.
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Re: [Plugin] Manifold v1.3

Postby TIG » Tue Jan 26, 2010 11:04 pm

thomthom wrote:Tig, did you see this post by Google's Tyler: viewtopic.php?f=15&t=25175&p=218997#p218989

Might be useful to predict when SU will be able to create faces/edges?


Thanks - I did - hence the small line 'erasing' algorithm... ;)
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Re: [Plugin] Manifold v1.3

Postby TIG » Tue Jan 26, 2010 11:07 pm

driven wrote:Hi all

can anyone confirm if they can see TIGtoolbar, while running manifold1.3, this drawing really slow compared to 1.2 and I just noticed I don't have the TIG-RRby icons in the toolbar which have never vanished before....

john


Check your files are in the same folders as shown in the original zip ?
It might be a bit slower running because the new algorithms ?
Try it one something simpler first ?? ;)
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Re: [Plugin] Manifold v1.3

Postby driven » Tue Jan 26, 2010 11:12 pm

TIG wrote:
driven wrote:Hi all

can anyone confirm if they can see TIGtoolbar, while running manifold1.3, this drawing really slow compared to 1.2 and I just noticed I don't have the TIG-RRby icons in the toolbar which have never vanished before....

john


Check your files are in the same folders as shown in the original zip ?
It might be a bit slower running because the new algorithms ?
Try it one something simpler first ?? ;)



I was editing while you were writing, and yes Ill go back to the slow start procedure, It was simply tea time and I though "this model works with 1,2, I'll just quickly re-run it, etc.."
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Re: [Plugin] Manifold v1.3

Postby driven » Tue Jan 26, 2010 11:55 pm

Man1.3-01.jpg


I've got the reference somewhere if you want me dig it out, this is two two manifold objects sharing an edge...

basic are quicker, easy start...
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Re: [Plugin] Manifold v1.2

Postby notareal » Wed Jan 27, 2010 12:05 am

EarthMover wrote:I did. I didn't have any issue with light leaks...but I used a higher poly version than most.

Light leaks are one issue. But more problematic could be if you like to produce caustics or SSS (not single face). Broken mesh might not be that obvious like it's with light leak, but result will be wrong... you just wonder why you cannot get proper caustics.
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Re: [Plugin] Manifold v1.3

Postby driven » Wed Jan 27, 2010 12:20 am

TIG,
This would pass

Man1.3-2.jpg
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Re: [Plugin] Manifold v1.3

Postby driven » Wed Jan 27, 2010 1:30 am

TIG. The internal triangle was gone after this pass. I'll have another shot at the bigger file now and see it in the morning.
Man1.3_1-3.jpg
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Re: [Plugin] Manifold v1.3

Postby driven » Wed Jan 27, 2010 3:48 pm

TIG, found the dialog boxes,
I was getting a system error Plugins/BZ_Dir_13/bezierspline_main.rb:2098: warning: Object#id will be deprecated; use Object#object_id whenever I used your tool after using any of Fredo's tools so I fixed his script (at least I did what my system suggested) and have been working my way through some simple test to see what slows or breaks, only just got back to curves (no beziers yet), and I thought I'd post the successes, to date.
manifold1.3-2701-success2.jpg

manifold1.3-2701-Success1.jpg


I also found this and tried to get an evaluation download, but it's for PC's but may be of interest, it also adds to the list of NOT 3D PRINTING USES for Manifold Objects and flies in the face of my earlier comment on GEarth models.

Virtualwind's advanced 3D wind flow simulation and visualization. Within SketchUp, Virtualwind's Validation Tools identify and visually highlight non-watertight geometries and problematic textures in the model. Non-watertight geometries are typically surfaces on building models that do not have contiguous adjoining edges (i.e., models that do not have a "wetted surface", a "water-tight" exterior). Problematic textures are usually faces with back-only textures or back texture different from front. The Virtualwind toolbar also provides Correction Tools to correct these issues. For non-watertight geometries, there are toolbar icons to remove zero-faced edges and to sew edges together, thereby helping to create a water-tight model.  There are also toolbar icons to correct problematic textures. These model corrections are important to provide more accurate wind flow simulations.
anyone want to try it out and report back


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Re: [Plugin] Manifold v1.3

Postby d12dozr » Wed Jan 27, 2010 4:13 pm

driven wrote:anyone want to try it out and report back

john

Sure...PM me a few sample models
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Re: [Plugin] Manifold

Postby TIG » Wed Jan 27, 2010 4:14 pm

thomthom wrote:The groups that it creates, is it suppose to be offset from the original group?

Yes - so you can see what it's done more easily.
The errors overlay so you can see in xray mode.
Then you can grab that by the text handle and move it again to see it more clearly - if you edit it and select its geometry by double click then any errors shown by clines [different stipples for different failures] for 'pretzelled' edges etc will show clearly again...
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Re: [Plugin] Manifold v1.4

Postby TIG » Wed Jan 27, 2010 4:17 pm

Here's v1.4
viewtopic.php?p=218691#p218691

It has some improved algorithms for inner flap removal... :)

Still fails on some 'pretzelled' shapes... :(
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Re: [Plugin] Manifold v1.3

Postby driven » Wed Jan 27, 2010 4:37 pm

d12dozr wrote:Sure...PM me a few sample models


Have you got the program?, I put a link at CornerBar, and really the test I'm suggesting you/and anyone else to do is just checking some of your own or 3D WareHouse stuff that looks watertight, and see how the plug behaves, cope, etc.. , then run the same model with Manifold1.4 (and rising) to compare results. It can then define some targets/parameters for this super-duper one TIG is creating. which is coming along very well indeed.

thanks for putting your head above the parapet..


MORE TESTERS REQUIRED....
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Re: [Plugin] Manifold v1.4

Postby d12dozr » Wed Jan 27, 2010 4:43 pm

I just installed it...164 MB! I'll run some tests but if you have some models you know you are are having problems with, send them to me...easier than me starting over from scratch :)
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Re: [Plugin] Manifold v1.4

Postby driven » Wed Jan 27, 2010 5:02 pm

d12dozr wrote:I just installed it...164 MB! I'll run some tests but if you have some models you know you are are having problems with, send them to me...easier than me starting over from scratch :)


the 'pretzel' is posted up the top, TIG's name on front, that gives trouble on careful examination, small triangles round the back, I think... I've got harder tests but one step at a time, I got ahead of myself....

TIG......THIS IS SO FAST... I didn't have time to start the stopwatch on the boxes.....CHEERS

anyhow, more testing...
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