ModifiersProject
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Description

Modifier stack for meshes, curves, metaballs.

Developers:

Module Owners: @Campbell Barton (campbellbarton) @Sergey Sharybin (sergey) @Brecht Van Lommel (brecht)
Booleans: @Sergey Sharybin (sergey)

Recent Activity

Today

matali23 (matali23) triaged T51890: Turning off viewport display for array modifier is blocking dupliface in final render as "Confirmed" priority.

I can confirm the bug

Wed, Jun 28, 9:02 AM · Modifiers, BF Blender

Sat, Jun 24

Serge Lyatin (SergeL) created T51890: Turning off viewport display for array modifier is blocking dupliface in final render.
Sat, Jun 24, 9:13 PM · Modifiers, BF Blender
LazyDodo (LazyDodo) created D2724: [Modifiers] Screw modifier generates doubles. .
Sat, Jun 24, 8:26 PM · Modifiers

Fri, Jun 23

raja kedia (decoda) added a comment to T50672: Boolean modifier in bmesh solver creates random verts.

I got the problem. I am currently looking for the solution in code. For time being, you can manually select the extra vertices and press Ctrl + X to merge it in Edge. for first scenario. For second case, It will look into details.

Fri, Jun 23, 1:48 PM · Modifiers, BF Blender

Wed, Jun 21

Bastien Montagne (mont29) renamed T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK) from "Crash with Carve solver and boolean modifier" to "Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK)".
Wed, Jun 21, 12:53 PM · Platform: Windows, Modifiers, BF Blender

Thu, Jun 8

Bastien Montagne (mont29) closed T51732: Array Modifier: Fit Curve calculation method ignores parent relation as "Invalid".

Mmmh… in fact there is no bug here, even though the result may not be what one would expect off hands.

Thu, Jun 8, 9:23 AM · Modifiers, BF Blender

Wed, Jun 7

Karja Krähwald (karja) created T51732: Array Modifier: Fit Curve calculation method ignores parent relation.
Wed, Jun 7, 10:22 AM · Modifiers, BF Blender

Wed, May 31

cédric lepiller (pitiwazou) added a comment to T48583: Bevel Improvements.

Edge group for bevel could be better than vertex group

Wed, May 31, 7:22 PM · Modifiers, Mesh Modeling, BF Blender
Howard Trickey (howardt) added a comment to T48583: Bevel Improvements.

Someone else requested something similar to what you suggest -- just that when some vertices get blocked, they stay there and the unblocked ones continue to move. Maybe this should be the default, but I'd like to get some kind of consensus from artists before changing. As you say, it could be an option, but there is a lot of pushback on Blender devs from Ton not to add too many options to tools, but rather make them smart enough to "do the right thing" without options.

Wed, May 31, 3:28 PM · Modifiers, Mesh Modeling, BF Blender

Mon, May 29

marc dion (marcclintdion) added a comment to T48583: Bevel Improvements.

I think what I'd like to see is a threshold that prevents close vertices from overlapping without blocking the movement of vertices that are far from each other. I suppose something like a weighting that diminishes the bevel effect for close vertices.
Something like in the following which shows how Edge-Slide has less impact on close vertices but a large influence on vertices with larger distances. I think this would have to be an option though since it would best suit organic or choppy shapes like rocks. It would likely be inappropriate for machined surfaces.

Mon, May 29, 11:47 PM · Modifiers, Mesh Modeling, BF Blender
Bastien Montagne (mont29) added a parent task for T50165: Bmesh booleans fail on simple cube array: T47030: BMesh booleans (track todo's).
Mon, May 29, 10:53 PM · Modifiers, BF Blender
Ian Bruce (ian_bruce) added a comment to T50165: Bmesh booleans fail on simple cube array.

For a much simpler testcase, apparently demonstrating the same problem -- non-solid objects resulting from boolean difference with BMesh -- see T51236 . Again, "Carve" produces the correct result, "BMesh" doesn't.

Mon, May 29, 9:53 PM · Modifiers, BF Blender
Howard Trickey (howardt) claimed T51247: Bevel modifier: Unnecessary clamping.

The problem is that the clamping is very naive right now: just clamps to the min of the half-length of all the edges involved in a vertex bevel. In this case, that means it clamps to the half length of the vertical edge, which doesn't even have advancing vertices on it, and it is a lot shorter than the edge that the vertices move along. It is a TODO to do much smarter clamping, but I'll spend some time now to see if cases like this, at least, can be improved.

Mon, May 29, 9:52 PM · Modifiers, BF Blender
Howard Trickey (howardt) raised the priority of T51247: Bevel modifier: Unnecessary clamping from "Normal" to "Confirmed".

This is different from T50994, as it is only about one edge (as reporter notes). It may overlap with one of the problems reported in T50819, premature clamping. I will look into this one now.

Mon, May 29, 9:09 PM · Modifiers, BF Blender
Howard Trickey (howardt) added a comment to T48583: Bevel Improvements.

Another requested bevel clamping change. See T50994. Requester would like clamp to apply to edges individually rather than globally. Could be consider as breaking backward compatibility for 2.8. Or an option (but we dislike adding too many options).

Mon, May 29, 9:06 PM · Modifiers, Mesh Modeling, BF Blender

May 29 2017

Mathias Panzenböck (panzi) added a comment to T51621: Boolean modifier is completely broken.

But shouldn't a mesh generated by a fluid sim be closed and non-self intersecting?

May 29 2017, 4:16 PM · Modifiers, BF Blender
Sergey Sharybin (sergey) assigned T51247: Bevel modifier: Unnecessary clamping to Howard fletcher (howard).

@Howard Trickey (howardt), mind having a look here? Thanks! :)

May 29 2017, 4:06 PM · Modifiers, BF Blender
Sergey Sharybin (sergey) closed T51603: Shrinkwrap modifier of target curve is ignored when using the Curve modifier as "Archived".

This is not about depsgraph, it is about some internal conventions which depsgraph have nothing to do about.

May 29 2017, 3:47 PM · Modifiers, BF Blender
Bastien Montagne (mont29) closed T51621: Boolean modifier is completely broken as "Archived".

Thanks for the report, but nothing to be done here currently really, this is known limitation of boolean ops - they need sane meshes as operand, that is, meshes that are closed, not self-intersecting, etc. Better handling of corner cases and complex situations is considered a TODO currently, not a bug.

May 29 2017, 12:14 PM · Modifiers, BF Blender

May 28 2017

Howard Trickey (howardt) closed T48996: 2.77.1 Bevel modifier regression as "Resolved" by committing rB9ba7805a3bc4: Fix T48996, bevel bad for certain in-plane edges..
May 28 2017, 8:15 PM · Modifiers, BF Blender

May 26 2017

LazyDodo (LazyDodo) closed D2688: [bf_modifiers] integer overflow in caching code. by committing rBbddd9d809d2c: Fix integer overflows in meshcache modifier..
May 26 2017, 2:26 PM · BF Blender, Modifiers
Sergey Sharybin (sergey) accepted D2688: [bf_modifiers] integer overflow in caching code..

in bli_winstuff.h we replace the stock fseek function with a 64 bit version

May 26 2017, 9:36 AM · BF Blender, Modifiers
LazyDodo (LazyDodo) updated the diff for D2688: [bf_modifiers] integer overflow in caching code..

whitespace fix

May 26 2017, 12:27 AM · BF Blender, Modifiers
LazyDodo (LazyDodo) created D2688: [bf_modifiers] integer overflow in caching code..
May 26 2017, 12:25 AM · BF Blender, Modifiers

May 25 2017

s12a (s12a) added a comment to T51603: Shrinkwrap modifier of target curve is ignored when using the Curve modifier.

From an end-user standpoint I would expect the object to curve along the visible (final/deformed) curve rather than its base geometry. If that was unwanted I could still duplicate the curve and remove the shrinkwrap modifier. With the current behavior I am prevented from choosing a possible option.

May 25 2017, 10:10 AM · Modifiers, BF Blender
john peterson (bliblubli) added a comment to T51603: Shrinkwrap modifier of target curve is ignored when using the Curve modifier.

I think it's more a design problem than a bug. It's one of the area in Blender that doesn't follow the philosophy of "don't think for the user". The depsgraph will decide in which order the modifiers should be applied and sometime fails at finding the right order, because in some case their are several possibilities, all valid and it's more a question of artistic decision.
The solution to it would be to have a way for the user to order modifier execution. The everything node system will solve it on the long term. In the meantime, it could be solved with a scene stack of modifiers instead of being limited to object stack.

May 25 2017, 9:58 AM · Modifiers, BF Blender
s12a (s12a) added a comment to T51603: Shrinkwrap modifier of target curve is ignored when using the Curve modifier.

The results are the same regardless of the Shrinkwrap modifier mode. The curve with the shrink wrap gets shrinkwrapped, but the objects that deforms along this curve doesn't follow its shrinkwrap deformation.

May 25 2017, 9:23 AM · Modifiers, BF Blender
Mathias Panzenböck (panzi) created T51621: Boolean modifier is completely broken.
May 25 2017, 7:05 AM · Modifiers, BF Blender
perfection cat (sindra1961) added a comment to T51603: Shrinkwrap modifier of target curve is ignored when using the Curve modifier.

If you use project mode in Shrinkwrap modifier, I think that you have to appoint axis.

May 25 2017, 2:31 AM · Modifiers, BF Blender

May 24 2017

s12a (s12a) created T51603: Shrinkwrap modifier of target curve is ignored when using the Curve modifier.
May 24 2017, 12:25 AM · Modifiers, BF Blender

May 23 2017

Joel Godin (FloridaJo) added a comment to T51247: Bevel modifier: Unnecessary clamping.

This should probably be merged with T50994 and T50819

May 23 2017, 5:13 PM · Modifiers, BF Blender

May 22 2017

Serge Lyatin (SergeL) added a comment to T51523: Particles with disabled lattice modifier produce unclear feature.

I like the idea to add slider for the particles. It is quite usefull, when you want to give an offset for origin of the particle object to put it below/above emitter's face.

May 22 2017, 7:17 PM · Modifiers, BF Blender
Luca Rood (LucaRood) claimed T51523: Particles with disabled lattice modifier produce unclear feature.

This is not a feature. Particles are simply ignoring the modifier options when doing the lattice computation. Disabling the lattice modifier should stop it from having any effect on anything on that object.

May 22 2017, 12:42 PM · Modifiers, BF Blender

May 21 2017

ronan ducluzeau (zeauro) added a comment to T51523: Particles with disabled lattice modifier produce unclear feature.

Particles deformed by lattice is a useful feature. Especially for emitter particles with physics, that allows to easily define flows for particles with erratic movements.

May 21 2017, 8:59 PM · Modifiers, BF Blender

May 19 2017

Bastien Montagne (mont29) triaged T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK) as "Normal" priority.
May 19 2017, 12:37 PM · Platform: Windows, Modifiers, BF Blender

May 18 2017

Campbell Barton (campbellbarton) merged T49467: Bmesh Crash on opening a file into T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK).
May 18 2017, 3:15 PM · Platform: Windows, Modifiers, BF Blender
s12a (s12a) added a project to T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK): Platform: Windows.
May 18 2017, 11:12 AM · Platform: Windows, Modifiers, BF Blender
s12a (s12a) added a comment to T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK).

The error above somehow made me suspect if it is a problem related with the compiler used to build the program. So I tried the currently available latest x64 build (102394a).

May 18 2017, 10:18 AM · Platform: Windows, Modifiers, BF Blender
s12a (s12a) added a comment to T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK).

No crash log appears to be generated. A "blender_a05604" temporary directory gets created, but it's empty. Nothing related in the parent temp directory or in the directory of the blend file gets created either.

May 18 2017, 10:12 AM · Platform: Windows, Modifiers, BF Blender
Fable Fox (fablefox) added a comment to T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK).

Was crash log generated? Please upload if it does. Thanks.
https://docs.blender.org/manual/en/dev/troubleshooting/crash.html

May 18 2017, 5:12 AM · Platform: Windows, Modifiers, BF Blender
Joel Godin (FloridaJo) added a comment to T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK).

No crash on OSX, same build.

May 18 2017, 4:08 AM · Platform: Windows, Modifiers, BF Blender

May 17 2017

s12a (s12a) created T51540: Crash with Carve solver and boolean modifier on MSVC2015 builds (MSVC2013 builds are OK).
May 17 2017, 10:02 PM · Platform: Windows, Modifiers, BF Blender

May 16 2017

Serge Lyatin (SergeL) created T51523: Particles with disabled lattice modifier produce unclear feature.
May 16 2017, 9:11 PM · Modifiers, BF Blender

May 2 2017

Ako Zoom (AkoZ) closed T51384: Objects displaced randomly (moved and rotated) after saving work file in .blend as "Resolved".

Yeeahhh a big thank YOU Joshua !

May 2 2017, 10:33 AM · Blender File, Modifiers, Mesh Modeling, BF Blender
Joshua Leung (aligorith) added a comment to T51384: Objects displaced randomly (moved and rotated) after saving work file in .blend.

There are currently location + rotation keyframes on some of the objects (frames 0 and 33). Try removing all keyframes before fixing the position of all the objects.

May 2 2017, 5:57 AM · Blender File, Modifiers, Mesh Modeling, BF Blender
Aaron Carlisle (Blendify) raised the priority of T51384: Objects displaced randomly (moved and rotated) after saving work file in .blend from "Confirmed" to "Needs Triage".
May 2 2017, 2:59 AM · Blender File, Modifiers, Mesh Modeling, BF Blender

May 1 2017

Ako Zoom (AkoZ) triaged T51384: Objects displaced randomly (moved and rotated) after saving work file in .blend as "Confirmed" priority.
May 1 2017, 6:43 PM · Blender File, Modifiers, Mesh Modeling, BF Blender
Ako Zoom (AkoZ) created T51384: Objects displaced randomly (moved and rotated) after saving work file in .blend.
May 1 2017, 6:34 PM · Blender File, Modifiers, Mesh Modeling, BF Blender

Apr 20 2017

John A. Paravantis (paravantis) closed T51022: Curve after array modifier makes setting dimensions impossible as "Resolved".

I have resolved the issue via a post at Blender Stack Exchange: To make precise dimensioning possible, one has to change the radius of the control points of the curve from 14 to 1!

Apr 20 2017, 4:07 PM · Modifiers, BF Blender

Apr 19 2017

Armin Zingler (willi) created T51247: Bevel modifier: Unnecessary clamping.
Apr 19 2017, 1:07 AM · Modifiers, BF Blender