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Need an advice about fast Average Weld
Posted: 25 March 2014 11:37 AM   [ Ignore ]
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Hello! I need your advice about Average Weld. Here is the model I drove through remeshing in Zbrush and it came out torn in several seams
Like this one -
Torn seams
When I attempt to weld selected vertices on both sides, all of them merge together and form such a mess -
Welded
How to use Average Weld in a right way to merge them by pairs to get a normal seam line?

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Posted: 25 March 2014 08:09 PM   [ Ignore ]   [ # 1 ]
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wargis - 25 March 2014 11:37 AM

Hello! I need your advice about Average Weld. Here is the model I drove through remeshing in Zbrush and it came out torn in several seams
Like this one -
Torn seams
When I attempt to weld selected vertices on both sides, all of them merge together and form such a mess -
Welded
How to use Average Weld in a right way to merge them by pairs to get a normal seam line?

Maybe use the ‘bridge’ to weld together some matched pairs. Hexagon isn’t very intuitive. No jumping spaces ... choices must be consecutive.

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Posted: 25 March 2014 11:20 PM   [ Ignore ]   [ # 2 ]
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First thing is to make sure you don’t need to vertex weld two the two halves - before doing a symmetric copy, set the model to position X=0, loop-select the outside edges where the two halves will be connected and be sure that the size is 0.  If not, make it so. 

With these conditions satisfied, when you weld them, the verts will automatically weld.  Check that this has been done by hitting the “fill” button.  If the dialogue does not come up, it shows all is well.

If it does come up, and shows a white line along the joins, abort - don’t use it to fill - then loop-select the facing edges, convert the edge loops to points and use the average weld.  Use it gently, one step at a time until you see the edges jump to join.  I take it one step beyond that to be sure - you need to watch the mesh very closely to see that nothing other than what you want gets welded.  With this method, only the selected verts should weld, but be careful in case…. smile

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Posted: 26 March 2014 01:21 PM   [ Ignore ]   [ # 3 ]
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For this I would actually use the Weld Points tool. it’s fast and it will keep the seamline. Why do it the hard way! wink

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Posted: 26 March 2014 02:27 PM   [ Ignore ]   [ # 4 ]
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In this particular instance, I agree smile

Seemed to me that this Q was about the general use of the tool.

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Posted: 26 March 2014 06:26 PM   [ Ignore ]   [ # 5 ]
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Yes but one needs to use the right tool for the job too wink

I’ve often ‘saved’ the project, then try a one click ‘will it work’ button ... and if not, it’s close Hexagon and opened last good save and try something else.

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Posted: 26 March 2014 11:12 PM   [ Ignore ]   [ # 6 ]
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Speaking of welding points…you know how when welding points, you have to validate, or it will weld the next vert you select as well?

I seem to remember, a long time ago when I was feeling my way around, someone like E-Z showed a method of welding consecutive pairs of verts without having to validate between pairs.  It does become a pain when you have many pairs to weld and having to validate every time.

Anyone know what method was used?  Or am I dreaming smile

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Posted: 26 March 2014 11:33 PM   [ Ignore ]   [ # 7 ]
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I don’t recall seeing that one. i do know that one can weld every second line and the one in the centre will also weld.

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Posted: 27 March 2014 05:33 AM   [ Ignore ]   [ # 8 ]
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I’ll dig out my videos from E-Z, see if I can find it and let you know smile

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Posted: 27 March 2014 10:37 AM   [ Ignore ]   [ # 9 ]
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I think it was a Johnny Bravo video, in his demonstration he was welding one point to another and pressing validate each time. And I dropped him a PM here to let him know something I discovered ( by accident ), for example, if you have two grids say 10 * 10 (nearly touching but not quite) and you weld them together to make one form. Go to the top and select a point, press W for weld then the red line appears, select the point on the other grid and carry on down repeating the process and validate when you’re finished.

I’ll have a look and see if I can find it, unfortunately these things get lost over time :(

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Posted: 27 March 2014 12:45 PM   [ Ignore ]   [ # 10 ]
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That may have been it, not sure, though.  I know the target weld tool and use it a lot. W is the hotkey for that and it doesn’t need verification because it is a complete action on it’s own.

I have so many Hex videos, it will take a while to find - if there is such a thing!

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Posted: 27 March 2014 01:45 PM   [ Ignore ]   [ # 11 ]
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Thanks, Roygee, the best way in my case was to weld points manually (because of bad non-symmetrical auto-retopology) and I found the optimel way of welding points in Hex. In the Shortcut editor there are two options - for Target Weld and Weld Points. I set Z key for “Weld points” and it works fine - now I pick a vertex, press Z, and when cursor turns into a circle, click it on another point, and points merge. After this I press Z again and the process repeats for the next pair of points, in the end after welding the seam press Enter to validate. It seems it’s the fastest way of manual welding in Hexagon.

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Posted: 27 March 2014 02:03 PM   [ Ignore ]   [ # 12 ]
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Eureka!  You have it…YESYESYES smile

That is what I was looking for - thank you:)

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Posted: 27 March 2014 07:36 PM   [ Ignore ]   [ # 13 ]
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Interesting.

But when I click Z again, or click the next vertex, I’ll get a spider web of lines joining.
However if I select 2, then Z, those 2 weld. Then right-click drag select the next 2, they’ll weld properly, right-click select the next pair until done, then validate.

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Posted: 27 March 2014 10:11 PM   [ Ignore ]   [ # 14 ]
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Yes, you need to click Z between welds to de-select, otherwise it will weld whatever is selected smile

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Posted: 27 March 2014 11:04 PM   [ Ignore ]   [ # 15 ]
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Okay thanks! 

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