little loop slice inconstency?

[c-g]

If it wasn't symetrical enough for the selection to work there is no way it work for any tool. Try running the symmertry tool on the model.

[seneca]

yeah, the object had to be out of symmetry because those polygons weren't even selected on the other side.

I personally never use the SYMM tool btw.. What I do is:
1) delete half of the model using my deletehalf script
2) clean up whatever polygons that didn't get deleted because they obviously weren't touching the origin.
3) make sure all the verts that are supposed to be at the origin actually are: vert.set "x" [0.0]
4) mirror on X: poly.mirror "x"

What's great about modo, is that doing this normally only takes me about 0.5 - 6 seconds. :)

[Balusilustalu]

:D This brought a big grin to my face... Seneca has scripts for everything. Watching you model must be like watching you launch script after script without touching any of the modo tools... I bet you have scripts to make scripts.. :D
You rock dude! :thumbsup:


I personally never use the SYMM tool btw.. What I do is:
1) delete half of the model using my deletehalf script

[Nemoid]

thanx guys.
i'll have to ckeck again, but i think the object was simmetrical, because in the other rows worked like a charm (and selected them simmetrically). u are right on selection tho, so,maybe points in centerline were not at 0. this is what i guess.

i will try again and see results .

while i am here i'll ask this :
are the centerline points lockable like in Lw where when u have simmetry on
u can't move them in x axis? if not, this could be a cool option to add.

[seneca]

If they are on the X axis, they actually do get locked. So the fact that you can move 'em away from that axis means that they're not on the axis. I highly recommned you bind keys to:
vert.set "x" [0.0]
vert.set "y" [0.0]
vert.set "z" [0.0]

So with one key, you can verify that all those verts are lying on their appropriate axis. I'd also recommend binding keys to:
poly.mirror "x"
poly.mirror "y"
poly.mirror "z"

With those two sets of hotkeys, you'll be flying when you're working with cleaning up symm errors. (although I personally wish that LUXO would put in a different symmetry system than what it has, because it falls out of perfect symmetry every 10-15 minutes.... :[ Plus, it's a friggin pain in the butt to get all my scripts working with symmetry.. ugh... A number of 'em still aren't perfect with symmetry on.... :( )

And yeah, I've got tons of scripts (117). :) But in the end, it's probably about 75% modo tools, 25% scripts (which use modo's tools anyways :) )

[Nemoid]

thanx seneca i will try these advices. i'll retry again making a box, and centering it on origins, and then see how modo behaves. i probably messed something in this process when making my object.

however, i also noticed Modo tends to loose simmetry really often, with extrude or smooth shift in polygons near the center, even compared to Lw wich gives me less probs on this subject, despite it works well only in one side.

Modo simmetry needs to be more solid just like it happens to be in z Brush :)

[toonafish]

That's funny, I find Symmetry in Modo to be very reliable overall. I have it on all the time and hardly ever have to fix it. In LW I never use symmetry because hardy any tool supports it.

I do think the Fix Symmetry Tool should be compatable to selections and falloffs, so you can only fix part of the model. Sometimes you don't want the complete model to be symmetrical. Also Modo gets confused when you select 2 polies on the symmetry axis and use the Loop Slice tool with symmetry on and I noticed that the vertices on the symmetry axis should be merged, if they are not, Modo doesn't select the unwelded polygons on the other side.

[seneca]

..i'll retry again making a box, and centering it on origins, and then see how modo behaves...

See, that right there still isn't a truly reliable way to make sure that it's going to be symmetrical.. When you center that box, it's got a 65% chance of actually being symmetrical because of world accuracy and numeric rounding...

The perfect way to get a mirrored box is this:
1) create box
2) center it
3) cut it in half with the knife tool
4) select those verts near the axis and vert.set "x" [0.0]
5) mirror the box poly.mirror "x"
6) turn on symmetry and it will now be 100% absolutely positively mirrored.

[Nemoid]

well i'll follow this advice. i'll try like this then.

however, i think a box, centered on the origin moving it with coord system should be simmetrical got the object with points on x=0 and simmetrical because it behaves well with element move on both sides. yet, when i try to slice it on poly rows near center line,(now they selsct correctly) it gives errors.
doesn't slice it correctly and polys seem behave crazy.

never got this in Lw so far. bandsaw and bandsaw pro, even if not working simmetrically behave correctly and give no problem of this sort.

ok, its a minor prob, but i think some things have to be fixed.

[Mike RB]

http://www.elementvfx.com/WebDemo/loopslicesym.gif

Using Loop slice with the slice selected option breaks symmetry when used over the symmetry axis. I'm assuming this is because it remembers selection order.

I just posted that to the support forum over at Lux, kinda annyoing.

Mike

[Nemoid]

I trried with different methods, and however, even if the object is simmetrical, loop slice gets confused when selecting rows of polys near the centerline.
it doesn't know what row should guide the split, so it chooses both.

the fact is that , other than this, there's the bug Mike RB pointed out, and geometry is not sliced correctly anyway.

in my last example, i created a globe sphere at the origins, then only moved it on the y axis for visibility purposes. object is simmetrical - i tried selecting different polys and always simmetrical ones were selected.even selecting half of it, selects the whole object. points at centerline don't move like u guys described.

then selected 2 polys of the rows near centerline and this is what i get when i slice at 50%.

my suggestions are :

1 give this tool an option to choose the direction of slice, based on selection order, so that, for example, if i select 3 polys along the row near the central line it has the third one to give the right direction of the slice

2 fix the Mike RB bug!!! :)

[Mike RB]

Dion said the one I found is already logged.

Mike

[StephanD]

Mike:Temporarily,you can turn off symmetry between selection and Cut...That should work ok.

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