tag:www.nabble.com,2006:forum-3267Nabble - K-3D2008-07-24T00:55:11ZK-3D is the free (as in freedom) 3d modeling, animation, and rendering system. K-3D home is <a href="http://sourceforge.net/projects/k3d/" target="_top" rel="nofollow">here</a>.tag:www.nabble.com,2006:post-18627034Re: NURBS Revolve Curve2008-07-24T00:55:11Z2008-07-24T00:55:11ZCarsten Haubold<div dir="ltr">Oops, forgot to revert some changes I made there to find out why its not revolved around the z axis.<br>Sorry about that I'll fix it right now on the train and commit later..<br><br><br><div class="gmail_quote">
2008/7/23 Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18627034&i=0" target="_top" rel="nofollow">bart.janssens@...</a>>:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi Carsten,<br>
<br>
Just tested revolve curve some more, and I get a problem when using a<br>
non-straight curve: it only results in a cylinder (see attached file).<br>
<br>
I've also tested the ruled surface, very cool!<br>
<br>
Cheers,<br>
<br>
--<br>
<font color="#888888">Bart<br>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18625616Re: Named arrays2008-07-23T22:26:46Z2008-07-23T22:26:46ZTimothy M. SheadBart Janssens wrote:
<br>> OK, I've added the copy methods, and also adapted SubdivideEdges to
<br>> use it, so in theory the functors can run in parallel. I must say the
<br>> named array system as a whole is very impressive. Hopefully it will be
<br>> possible to use a similar system in the conversion to CUDA.
<br>>
<br>As it happens, I just ran into an interesting issue, one that will
<br>affect MergeMesh. I started working on replacements for the legacy
<br>blobby operator modifiers (i.e. BlobbyAdd, BlobbySubtract, etc) which
<br>accept multiple inputs and implement imulti_mesh_sink. Because this is
<br>basically a special-case of merging multiple meshes, it has to deal with
<br>meshes that have differing sets of named arrays. In the MergeMesh
<br>implementation we are copying the first input's named arrays, then using
<br>named_array_copier on the remaining inputs, but this will not produce
<br>valid results. Assume you have two input meshes, each with 10 points.
<br>The first mesh has vertex arrays A and B, while the second mesh has
<br>vertex arrays B and C. After running MergeMesh, the output will contain
<br>vertex array A containing 10 values and vertex array B containing 20
<br>values - boom!
<br><br>I see two reasonable alternatives in this scenario - either the merged
<br>mesh contains the union of all its input arrays, or the intersection.
<br>The first case assumes that a sensible "default" value can be assigned
<br>when an output array is missing its input counterpart, something that
<br>generally isn't true. I favor the latter approach for its simplicity,
<br>and because I generally dislike creating data out of thin air. To
<br>handle this approach I am working on mechanisms to generate named_arrays
<br>by cloning a set of named_arrays instead of just one, and relaxing the
<br>named_array_copier semantics to handle array mismatches quietly (since
<br>it won't be an error condition to use named_array_copier on named_arrays
<br>that don't have the same sets of arrays).
<br><br>Cheers,
<br>Tim
<br><br>--
<br>Timothy M. Shead, K-3D founder
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18621974Icon zooming for GUI2008-07-23T15:29:14Z2008-07-23T15:29:14ZDaniel S. MatthewsI was looking at all the changes and new functions and realized that I
<br>need to find some time to do a lot of new icons, however we seem to be
<br>hitting a complexity limit that is undermining to purpose of having
<br>icons, particularly when dealing with variants of a function (e.g.
<br>file export/import). One obvious fix is to have larger icons, where
<br>the scale is set in user preferences, or we could have the icons zoom
<br>larger on roll-over. Another is to have have a single file I/O object
<br>that then has access to the different plugins so that you select it's
<br>I/O type from a dynamic list, this would then be reflected in the
<br>instance's name. You could allow a lot of other plugins to be grouped
<br>in the same way, e.g. transform, mesh modifier etc. The above methods
<br>are not mutually exclusive either.
<br><br>Any other ideas about how to deal with the issue?
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18621497Re: Named arrays2008-07-23T14:54:25Z2008-07-23T14:54:25ZbART Janssens-2On Sat, Jul 19, 2008 at 8:01 PM, Timothy M. Shead <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18621497&i=0" target="_top" rel="nofollow">tshead@...</a>> wrote:
<br>> Yep, I knew we'd need this sooner-or-later. Instead of your resize()
<br>> function however, I've added resize() to k3d::array and
<br>> k3d::named_arrays, which is much easier to implement and is consistent
<br>> with the goal of making k3d::array "just like a vector, but without the
<br>> types". I've also moved k3d::named_array_copier to its own set of
<br>> files. Good luck getting my changes though - the svn issues have gotten
<br><br>OK, I've added the copy methods, and also adapted SubdivideEdges to
<br>use it, so in theory the functors can run in parallel. I must say the
<br>named array system as a whole is very impressive. Hopefully it will be
<br>possible to use a similar system in the conversion to CUDA.
<br><br>Cheers,
<br><br>--
<br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18620990Re: 64-bit CUDA2008-07-23T14:25:04Z2008-07-23T14:25:04ZEvan Lezar<div dir="ltr">Thats good to hear!<br><br>Sorry that I've been so quite the last couple of days - my GF is leaving for Japan on Friday morning and I'm helping her pack etc. Will do some significant work this weekend!<br>
<br>Evan<br><br><div class="gmail_quote">On Wed, Jul 23, 2008 at 9:38 PM, Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18620990&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On 7/22/08, Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18620990&i=1" target="_top" rel="nofollow">bart.janssens@...</a>> wrote:<br>
> OK! Seems I still need to do some more tests with SubdivideEdges on<br>
> 64bit: the mesh conversion test passes, but SubdivideEdgesSimple has<br>
> wrong edge_points and clockwise_edges arrays.<br>
<br>
</div>Good news! Looks like we had only overlooked the index_map array,<br>
which is fixed now. All CUDASubdivideEdges tests pass on my machine<br>
now.<br>
<div><div></div><div class="Wj3C7c"><br>
Cheers,<br>
<br>
--<br>
Bart<br>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18620729NURBS Revolve Curve2008-07-23T14:11:54Z2008-07-23T14:11:54ZbART Janssens-2Hi Carsten,
<br><br>Just tested revolve curve some more, and I get a problem when using a
<br>non-straight curve: it only results in a cylinder (see attached file).
<br><br>I've also tested the ruled surface, very cool!
<br><br>Cheers,
<br><br>--
<br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><div class="small"><br/><img src="http://www.nabble.com/images/icon_attachment.gif" > <strong>revolve_curve.k3d</strong> (29K) <a href="http://www.nabble.com/attachment/18620729/0/revolve_curve.k3d" target="_top">Download Attachment</a></div><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18618753Re: 64-bit CUDA2008-07-23T12:38:36Z2008-07-23T12:38:36ZbART Janssens-2On 7/22/08, Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18618753&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> wrote:
<br>> OK! Seems I still need to do some more tests with SubdivideEdges on
<br>> 64bit: the mesh conversion test passes, but SubdivideEdgesSimple has
<br>> wrong edge_points and clockwise_edges arrays.
<br><br>Good news! Looks like we had only overlooked the index_map array,
<br>which is fixed now. All CUDASubdivideEdges tests pass on my machine
<br>now.
<br><br>Cheers,
<br><br>--
<br>Bart
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<br>> I have committed an updated test and reference mesh for CUDASubdivideEdges.
<br>> I will have a look at setting up a comparative benchmark between the two
<br>> conversion methods - but obviously it will have to be tested on your side :)
<br><br>OK! Seems I still need to do some more tests with SubdivideEdges on
<br>64bit: the mesh conversion test passes, but SubdivideEdgesSimple has
<br>wrong edge_points and clockwise_edges arrays.
<br><br>Cheers,
<br><br>--
<br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18589968Re: 64-bit CUDA2008-07-22T06:54:55Z2008-07-22T06:54:55ZEvan Lezar<div dir="ltr">Hi Bart<br><br>I have committed an updated test and reference mesh for CUDASubdivideEdges. I will have a look at setting up a comparative benchmark between the two conversion methods - but obviously it will have to be tested on your side :)<br>
<br>Cheers<br>Evan<br><br><div class="gmail_quote">On Mon, Jul 21, 2008 at 11:42 PM, Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18589968&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On Monday 21 July 2008 16:25:48 Evan Lezar wrote:<br>
</div><div class="Ih2E3d">> I have made an attempt at performing 64 to 32 bit conversion for the<br>
> unsigned int arrays, but I have not been able to test it as I do not have a<br>
> 64bit installation at my disposal.<br>
<br>
</div>I fixed the remaining problems. It does indeed help if one can experiment a<br>
bit ;)<br>
<br>
While the idea of doing the conversion on the GPU is interesting, maybe we<br>
should also compare performance to conversion on the CPU, as I did before in<br>
cuda_mesh_subdivide_edges on line 379.<br>
<div><div></div><div class="Wj3C7c"><br>
Cheers,<br>
<br>
Bart<br>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18582067SVG improvement2008-07-21T21:17:10Z2008-07-21T21:17:10ZCarlos Dominguez<div dir="ltr">Hi guys,<br><br>Sorry for the absence, I wanted to dedicate a little time to my thesis. I did a commit earlier this day which now handles the picewise path curves from the svg file and now they are just one line each. I spent the whole weekend doing test on the knot vector because it's not just like implementing nurbsconnectcurve because that way it wouldn't preserve the actual topology of the path. Well finally I came up with an idea of how to make it work and implemented it, I've been having a bug with one of my svg test drawings and I'm kinda trying to figure it out now but it works pretty much the same as before just with the single curve instead of a piece-wise curve. I was just writting to let you know where was I and that I'm still alive :-)<br>
<br>Bests,<br>Carlos<br clear="all"><br>-- <br>Carlos Andres Dominguez Caballero<br>TEL: (52 443) 3147845<br>CEL: (52 443) 2028344<br><a href="http://fismat.umich.mx/~carlosadc" target="_top" rel="nofollow">fismat.umich.mx/~carlosadc</a>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18578209Re: 64-bit CUDA2008-07-21T14:42:47Z2008-07-21T14:42:47ZbART Janssens-2On Monday 21 July 2008 16:25:48 Evan Lezar wrote:
<br>> I have made an attempt at performing 64 to 32 bit conversion for the
<br>> unsigned int arrays, but I have not been able to test it as I do not have a
<br>> 64bit installation at my disposal.
<br><br>I fixed the remaining problems. It does indeed help if one can experiment a
<br>bit ;)
<br><br>While the idea of doing the conversion on the GPU is interesting, maybe we
<br>should also compare performance to conversion on the CPU, as I did before in
<br>cuda_mesh_subdivide_edges on line 379.
<br><br>Cheers,
<br><br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18571978Re: 64-bit CUDA2008-07-21T09:09:02Z2008-07-21T09:09:02ZbART Janssens-2On Monday 21 July 2008 16:25:48 Evan Lezar wrote:
<br>> Hi
<br>>
<br>> I have made an attempt at performing 64 to 32 bit conversion for the
<br>> unsigned int arrays, but I have not been able to test it as I do not have a
<br>> 64bit installation at my disposal.
<br><br>After fixing a small compilation error (in SVN), I am still getting an
<br>incorrect mesh. There are probably some non-converted arrays left. I'll see
<br>if I can hun them down :)
<br><br>> Is there a way to force the size of k3d::uint_t to 64bits without too much
<br>> trouble for testing?
<br><br>I wouldn't bother with this, that's what the dashboard is there for.
<br><br>> Then on a side note - the failing test CUDASubdivideEdges.py is due to the
<br>> difference in numeric precision between the CUDA and CPU versions - I have
<br>> had a look at the MeshDiff plugin (a very quick one), but have not been
<br>> able to adjust the threshold to allow the test to pass - will have another
<br>> look at it as soon as possible.
<br><br>I think the proper way to solve that now, assuming there are no topological
<br>differences, is to add a new testmesh in the tests/meshes directory, named
<br>mesh.modifier.SubdivideEdges.reference.2.k3d
<br><br>This second mesh should be generated with the CUDA plugin. The testing system
<br>will then try both the .1 and .2 mesh, and if one of them matches, the test
<br>passes.
<br><br>Cheers,
<br><br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-1856977064-bit CUDA2008-07-21T07:25:48Z2008-07-21T07:25:48ZEvan Lezar<div dir="ltr">Hi<br><br>I have made an attempt at performing 64 to 32 bit conversion for the unsigned int arrays, but I have not been able to test it as I do not have a 64bit installation at my disposal.<br><br>Is there a way to force the size of k3d::uint_t to 64bits without too much trouble for testing?<br>
<br>Then on a side note - the failing test CUDASubdivideEdges.py is due to the difference in numeric precision between the CUDA and CPU versions - I have had a look at the MeshDiff plugin (a very quick one), but have not been able to adjust the threshold to allow the test to pass - will have another look at it as soon as possible.<br>
<br>In terms of 64-bit support, I could install a 64bit version of ubuntu on my laptop, although then I will only be able to test in emulation mode - which may be sufficient.<br><br>Evan<br></div>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18560158Re: Nurbs Curve plugins done2008-07-20T16:56:28Z2008-07-20T16:56:28ZbART Janssens-2On Sunday 20 July 2008 23:14:34 Carsten Haubold wrote:
<br>> I found out whats the problem with RevolveCurve.. If the complete mesh(and
<br>> not just point positions) is rotated before applying this modifier, then
<br>> the former x axis will be rotated as well. Is there any possibility to
<br>> receive the world space coordinates of the selected mesh?
<br><br>Hi Carsten,
<br><br>The mesh data always contains data in local mesh coordinates. Applying a
<br>transformation to the entire mesh does not affect these. In the CGALBoolean
<br>and MergeMesh plugins, this is solved by inserting a TransformPoints modifier
<br>in the pipeline (automatically, at the UI level). Perhaps a similar method
<br>could be used here, and maybe the behavior can be made optional using a "Use
<br>transformed points" boolean.
<br><br>The revolve plugin looks cool, btw!
<br><br>Cheers,
<br><br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18558865Re: Nurbs Curve plugins done2008-07-20T14:14:34Z2008-07-20T14:14:34ZCarsten Haubold<div dir="ltr">Hi there,<br><br>I found out whats the problem with RevolveCurve.. If the complete mesh(and not just point positions) is rotated before applying this modifier, then the former x axis will be rotated as well. Is there any possibility to receive the world space coordinates of the selected mesh?<br>
<br>Cheers<br>Carsten<br><br><div class="gmail_quote">2008/7/17 Carsten Haubold <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18558865&i=0" target="_top" rel="nofollow">CarstenHaubold@...</a>>:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div dir="ltr">Hey,<br><br>2008/7/17 Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18558865&i=1" target="_top" rel="nofollow">bart.janssens@...</a>>:<div class="Ih2E3d"><div><br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><br>
</div>Doh, you're right, of course :) Maybe allowing multiple curves to be<br>
traversed would be good, too, i.e. take the first curve and traverse<br>
all others along it.<br></blockquote></div></div></div>good
idea, but I'm not sure of how there might be an intuitive way to input
the curves. Selecting all these which shall be traversed and specifying
the traverse-curve from hand like SelectNurbsCurveByNumber seems
reasonable, but then the user just sees the result and not which curve
he selected to traverse along.<br>
<br>I also committed a first try on the NurbsRevolveCurve plugin which
works fine sometimes, but there are cases where the selected curve gets
revolved around (1,0,1) instead of (0,0,1). And there are 2 more
regression tests now.<br>
<br>I wont have internet access from now on till sunday evening, but I'll continue working on the regression tests and plugins..<br><br>Cheers<br><font color="#888888">Carsten</font></div>
</blockquote></div><br></div>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18556572Re: Missing Control Vertices2008-07-20T10:26:13Z2008-07-20T10:26:13ZCarsten Haubold<div dir="ltr">Hey Esben,<br><br>you can find the code for drawing in modules/opengl_painters/point_painter.cpp, simply using glBegin(GL_POINTS), glVertex3d(...) and glEnd().<br><br>Btw, I'm on Ubuntu 8.04 with nVidia drivers and I can see the control points..<br>
<br>Bart, Tim, any drawing that is not achieved using Vertex Arrays or VBO will need to be changed to this if OpenGL 3.0 shall be used (but as its not yet released.. no need to worry really).<br>Just something to keep in mind when designing painters..<br>
<br>Cheers<br>Carsten<br><br><div class="gmail_quote">2008/7/20 Esben Stien <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18556572&i=0" target="_top" rel="nofollow">b0ef@...</a>>:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18556572&i=1" target="_top" rel="nofollow">bart.janssens@...</a>> writes:<br>
<br>
</div><div class="Ih2E3d">> What is the output when running with<br>
> $ make run/fast K3D_EXTRA_OPTIONS="--disable-gl-extension=GL_ARB_vertex_buffer_object"<br>
<br>
</div><div class="Ih2E3d">Now it prints, as you said:<br>
<br>
INFO: VirtualOpenGLPointPainter delegating to OpenGLPointPainter<br>
</div>INFO: VirtualOpenGLEdgePainter delegating to OpenGLEdgePainter<br>
INFO: VirtualOpenGLFacePainter delegating to OpenGLFacePainter<br>
INFO: VirtualOpenGLSDSPointPainter delegating to OpenGLSDSPointPainter<br>
INFO: VirtualOpenGLSDSEdgePainter delegating to OpenGLSDSEdgePainter<br>
INFO: VirtualOpenGLSDSFacePainter delegating to OpenGLSDSFacePainter<br>
<br>
, but I'm still not seeing them;) - sorry.<br>
<div class="Ih2E3d"><br>
> OpenGLPointPainter uses the most basic OpenGL commands, so it should<br>
> work then.<br>
<br>
</div>What commands are you using?. I can then try a simple opengl app to<br>
just draw a point.<br>
<div class="Ih2E3d"><br>
--<br>
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18556375Re: Missing Control Vertices2008-07-20T10:05:47Z2008-07-20T10:05:47ZbART Janssens-2On Sun, Jul 20, 2008 at 8:16 PM, Esben Stien <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18556375&i=0" target="_top" rel="nofollow">b0ef@...</a>> wrote:
<br>>> OpenGLPointPainter uses the most basic OpenGL commands, so it should
<br>>> work then.
<br>>
<br>> What commands are you using?. I can then try a simple opengl app to
<br>> just draw a point.
<br><br>>From modules/opengl_painters/point_painter.cpp:
<br><br>glBegin(GL_POINTS);
<br>const k3d::uint_t point_begin = 0;
<br>const k3d::uint_t point_end = points.size();
<br>for(k3d::uint_t point = point_begin; point != point_end; ++point)
<br>{
<br> color4d(point_selection[point] ? selected_color : color);
<br> k3d::gl::vertex3d(points[point]);
<br>}
<br>glEnd();
<br><br>k3d::gl::vertex3d calls glVertex3d.
<br><br>Cheers,
<br><br>--
<br>Bart
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<br><br>> What is the output when running with
<br>> $ make run/fast K3D_EXTRA_OPTIONS="--disable-gl-extension=GL_ARB_vertex_buffer_object"
<br><br>Now it prints, as you said:
<br><br>INFO: VirtualOpenGLPointPainter delegating to OpenGLPointPainter
<br>INFO: VirtualOpenGLEdgePainter delegating to OpenGLEdgePainter
<br>INFO: VirtualOpenGLFacePainter delegating to OpenGLFacePainter
<br>INFO: VirtualOpenGLSDSPointPainter delegating to OpenGLSDSPointPainter
<br>INFO: VirtualOpenGLSDSEdgePainter delegating to OpenGLSDSEdgePainter
<br>INFO: VirtualOpenGLSDSFacePainter delegating to OpenGLSDSFacePainter
<br><br>, but I'm still not seeing them;) - sorry.
<br><br>> OpenGLPointPainter uses the most basic OpenGL commands, so it should
<br>> work then.
<br><br>What commands are you using?. I can then try a simple opengl app to
<br>just draw a point.
<br><br>--
<br>Esben Stien is b0ef@e s a
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Hi Evan,<br>
<br>
A small explanation about the changes I made in SVN to compile the CUDA<br>
plugins:<br>
<br>
- On linux-64, I ran into the error "*** stack smashing detected ***: ptxas<br>
terminated". See<br>
<a href="http://groups.google.com/group/cudpp/browse_thread/thread/f4b5139884aa57e5" target="_blank" rel="nofollow">http://groups.google.com/group/cudpp/browse_thread/thread/f4b5139884aa57e5</a><br>
This was fixed by upgrading to CUDA 2.0 beta on my machine, hence the<br>
condition around CUT_DEVICE_INIT, which requires two arguments starting from<br>
version 2.<br>
<br>
- the subdivide edges plugin didn't compile because the edge list and<br>
companions were 64 bit integer arrays.<br>
<br>
Cheers,<br>
<br>
Bart<br>
</blockquote></div><br>Thanks<br><br>I will look at upgrading to 2.0 aswell - sorry that I have not gotten to getting the 64-bit version working. I will sort that out before I do anything else.<br><br>Evan<br></div>
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<div class='shrinkable-quote'><br>> Bart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18554486&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> writes:
<br>> > What is the console output when starting K-3D?
<br>> > Especially the VirtualOpenGL...Painter delegating to ... lines interest
<br>> > me.
<br>>
<br>> INFO: VirtualOpenGLPointPainter delegating to OpenGLVBOPointPainter
<br>> INFO: VirtualOpenGLEdgePainter delegating to OpenGLVBOEdgePainter
<br>> INFO: VirtualOpenGLFacePainter delegating to OpenGLVBOFacePainter
<br>> INFO: VirtualOpenGLSDSPointPainter delegating to OpenGLVBOSDSPointPainter
<br>> INFO: VirtualOpenGLSDSEdgePainter delegating to OpenGLVBOSDSEdgePainter
<br>> INFO: VirtualOpenGLSDSFacePainter delegating to OpenGLVBOSDSFacePainter
<br>>
</div><br>OK, this means it is trying to use the vertex buffer object painters. What is
<br>the output when running with
<br>$ make run/fast
<br>K3D_EXTRA_OPTIONS="--disable-gl-extension=GL_ARB_vertex_buffer_object"
<br>?
<br><br>In that case, it should be i.e.
<br>INFO: VirtualOpenGLPointPainter delegating to OpenGLPointPainter
<br><br>OpenGLPointPainter uses the most basic OpenGL commands, so it should work
<br>then.
<br><br>--
<br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18554389Re: Missing Control Vertices2008-07-20T06:22:48Z2008-07-20T06:22:48ZEsben StienBart Janssens <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18554389&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> writes:
<br><br>> What is the console output when starting K-3D?
<br>> Especially the VirtualOpenGL...Painter delegating to ... lines interest me.
<br><br>INFO: VirtualOpenGLPointPainter delegating to OpenGLVBOPointPainter
<br>INFO: VirtualOpenGLEdgePainter delegating to OpenGLVBOEdgePainter
<br>INFO: VirtualOpenGLFacePainter delegating to OpenGLVBOFacePainter
<br>INFO: VirtualOpenGLSDSPointPainter delegating to OpenGLVBOSDSPointPainter
<br>INFO: VirtualOpenGLSDSEdgePainter delegating to OpenGLVBOSDSEdgePainter
<br>INFO: VirtualOpenGLSDSFacePainter delegating to OpenGLVBOSDSFacePainter
<br><br>This is printed when I make a cube and go into vertex mode and try to
<br>select a vertex:
<br><br>WARNING: Selection contained records without nodes
<br><br>The whole output is here:
<br><br><a href="http://www.esben-stien.name/run.it.log" target="_top" rel="nofollow">http://www.esben-stien.name/run.it.log</a><br><br>--
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18552165Re: Missing Control Vertices2008-07-20T00:47:32Z2008-07-20T00:47:32ZbART Janssens-2On Sunday 20 July 2008 04:10:28 Esben Stien wrote:
<div class='shrinkable-quote'><br>> "Bart Janssens" <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18552165&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> writes:
<br>> > We were using the vertex array methods (non-buffered). I've changed
<br>> > the implementation to use the most basic OpenGL calls now. (don't know
<br>> > why I missed that before :)
<br>>
<br>> I'm still not seeing them. I did a clean build.
<br>>
<br>> What I do is start up k3d, create a cube and hit vertex mode. I don't
<br>> see any control vertices. I am still able to somehow select it and
<br>> move it, even though I don't see the actual vertex.
</div><br>That is really strange. What is the console output when starting K-3D?
<br>Especially the VirtualOpenGL...Painter delegating to ... lines interest me.
<br><br>Cheers,
<br><br>Bart
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<br>> "Bart Janssens" <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18552159&i=0" target="_top" rel="nofollow">bart.janssens@...</a>> writes:
<br>> > You can safely ignore this
<br>>
<br>> Ignored it. Thanks.
<br>>
<br>> I was able to "make install", but the binary is 0 octets.
<br>>
<br><br>Fixed it in SVN. You can always manually remove the files next time
<br>po/POTFILES.in gets out of sync.
<br><br>Cheers,
<br><br>Bart
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18552029CUDA compilation problems2008-07-20T00:20:56Z2008-07-20T00:20:56ZbART Janssens-2Hi Evan,
<br><br>A small explanation about the changes I made in SVN to compile the CUDA
<br>plugins:
<br><br>- On linux-64, I ran into the error "*** stack smashing detected ***: ptxas
<br>terminated". See
<br><a href="http://groups.google.com/group/cudpp/browse_thread/thread/f4b5139884aa57e5" target="_top" rel="nofollow">http://groups.google.com/group/cudpp/browse_thread/thread/f4b5139884aa57e5</a><br>This was fixed by upgrading to CUDA 2.0 beta on my machine, hence the
<br>condition around CUT_DEVICE_INIT, which requires two arguments starting from
<br>version 2.
<br><br>- the subdivide edges plugin didn't compile because the edge list and
<br>companions were 64 bit integer arrays.
<br><br>Cheers,
<br><br>Bart
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<br><br>> We were using the vertex array methods (non-buffered). I've changed
<br>> the implementation to use the most basic OpenGL calls now. (don't know
<br>> why I missed that before :)
<br><br>I'm still not seeing them. I did a clean build.
<br><br>What I do is start up k3d, create a cube and hit vertex mode. I don't
<br>see any control vertices. I am still able to somehow select it and
<br>move it, even though I don't see the actual vertex.
<br><br>--
<br>Esben Stien is b0ef@e s a
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<br><br>> You can safely ignore this
<br><br>Ignored it. Thanks.
<br><br>I was able to "make install", but the binary is 0 octets.
<br><br>#ls -lh /usr/local/bin/k3d
<br>-rwxr-xr-x 1 root root 0 2008-07-19 05:12 /usr/local/bin/k3d
<br><br>I was able to run k3d with the:
<br><br>make run/fast
<br><br>, though.
<br><br>--
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<br><br>> So with spotty connectivity, now might be a good time to work on
<br>> other stuff, such as regression tests and documentation.
<br><br>..or move to GIT;).
<br><br>--
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<br>> Trying to build SVN, a file seems to be missing..
<br>>
<br>> [ 99%] Generating k3d.pot
<br>> /usr/local/bin/xgettext: error while opening "modules/pdiff/bitmap_perceptual_difference.cpp" for reading: No such file or directory
<br>> make[2]: *** [po/k3d.pot] Error 1
<br>> make[1]: *** [po/CMakeFiles/nls.dir/all] Error 2
<br>> make: *** [all] Error 2
<br><br>You can safely ignore this, or remove
<br>modules/pdiff/bitmap_perceptual_difference.cpp from po/POTFILES.in
<br><br>Cheers,
<br><br>--
<br>Bart
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<br><br>As others have pointed-out, there have been some on-and-off issues with
<br>svn recently - SourceForge is relocating their entire datacenter, and
<br>they're aware of major performance problems with svn - see
<br><br><a href="http://sourceforge.net/community/forum/forum.php?id=11&page" target="_top" rel="nofollow">http://sourceforge.net/community/forum/forum.php?id=11&page</a><br><br>So with spotty connectivity, now might be a good time to work on other
<br>stuff, such as regression tests and documentation.
<br><br>Cheers,
<br>Tim
<br><br>--
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<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18547156Re: Named arrays2008-07-19T10:57:10Z2008-07-19T10:57:10ZTimothy M. SheadBart Janssens wrote:
<div class='shrinkable-quote'><br>> While adding named array support to SubdivideFaces, I needed to be able to
<br>> construct the target array in a random order. To do this, I put a variation
<br>> of the named_array_copier in the mesh module, that has a "copy" method
<br>> instead of a "push_back" method, so data can be copied to any position in the
<br>> target array. Because this requires memory to be allocated, there is also a
<br>> resize function.
<br>>
<br>> Is it OK if I merge the copy methods into the named_array_copier in the SDK,
<br>> and add the resize function to named_array_operations?
<br>>
</div>Yep, I knew we'd need this sooner-or-later. Instead of your resize()
<br>function however, I've added resize() to k3d::array and
<br>k3d::named_arrays, which is much easier to implement and is consistent
<br>with the goal of making k3d::array "just like a vector, but without the
<br>types". I've also moved k3d::named_array_copier to its own set of
<br>files. Good luck getting my changes though - the svn issues have gotten
<br>worse (see followup).
<br><br>Cheers,
<br>Tim
<br><br>--
<br>Timothy M. Shead, K-3D founder
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<br><br>[ 99%] Generating k3d.pot
<br>/usr/local/bin/xgettext: error while opening "modules/pdiff/bitmap_perceptual_difference.cpp" for reading: No such file or directory
<br>make[2]: *** [po/k3d.pot] Error 1
<br>make[1]: *** [po/CMakeFiles/nls.dir/all] Error 2
<br>make: *** [all] Error 2
<br><br>--
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<br><a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18546707&i=0" target="_top" rel="nofollow">K3d-development@...</a>
<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18544915Named arrays2008-07-19T07:03:32Z2008-07-19T07:03:32ZbART Janssens-2Tim,
<br><br>While adding named array support to SubdivideFaces, I needed to be able to
<br>construct the target array in a random order. To do this, I put a variation
<br>of the named_array_copier in the mesh module, that has a "copy" method
<br>instead of a "push_back" method, so data can be copied to any position in the
<br>target array. Because this requires memory to be allocated, there is also a
<br>resize function.
<br><br>Is it OK if I merge the copy methods into the named_array_copier in the SDK,
<br>and add the resize function to named_array_operations?
<br><br>Cheers,
<br><br>Bart
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<br><a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18544915&i=0" target="_top" rel="nofollow">K3d-development@...</a>
<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18536784Re: Missing Control Vertices2008-07-18T13:02:39Z2008-07-18T13:02:39ZbART Janssens-2On Fri, Jul 18, 2008 at 2:18 PM, Esben Stien <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18536784&i=0" target="_top" rel="nofollow">b0ef@...</a>> wrote:
<div class='shrinkable-quote'><br>> "Timothy M. Shead" <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18536784&i=1" target="_top" rel="nofollow">tshead@...</a>> writes:
<br>>
<br>>> $ make run/fast
<br>>> K3D_EXTRA_OPTIONS="--disable-gl-extension=GL_ARB_vertex_buffer_object"
<br>>
<br>> Nope. Made no difference.
<br>>
<br>> I'm also seeing this problem in ayam. The control vertices are
<br>> gone. In blender, they are fine. You got maybe a simple opengl program
<br>> that uses your way of displaying control vertices?. You using a
<br>> special opengl call?.
</div><br>We were using the vertex array methods (non-buffered). I've changed
<br>the implementation to use the most basic OpenGL calls now. (don't know
<br>why I missed that before :)
<br><br>> Another thing I see, is that, if I go into face mode and try to select
<br>> faces, it seems to select faces opposite to the one I'm clicking on.
<br><br>Confirmed here on Ubuntu 8.04. I'm not seeing this with the nvidia
<br>drivers on ubuntu 7.10, so it's possible it's a MESA problem.
<br><br>Cheers,
<br><br>--
<br>Bart
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<br><a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18536784&i=2" target="_top" rel="nofollow">K3d-development@...</a>
<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18526472Re: Missing Control Vertices2008-07-18T03:29:21Z2008-07-18T03:29:21ZEsben Stien"Timothy M. Shead" <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18526472&i=0" target="_top" rel="nofollow">tshead@...</a>> writes:
<br><br>> $ make run/fast
<br>> K3D_EXTRA_OPTIONS="--disable-gl-extension=GL_ARB_vertex_buffer_object"
<br><br>Nope. Made no difference.
<br><br>I'm also seeing this problem in ayam. The control vertices are
<br>gone. In blender, they are fine. You got maybe a simple opengl program
<br>that uses your way of displaying control vertices?. You using a
<br>special opengl call?.
<br><br>I'm not seeing this in blender, which seems to only be a simple
<br>vertex. I'm able to select it fine.
<br><br>Another thing I see, is that, if I go into face mode and try to select
<br>faces, it seems to select faces opposite to the one I'm clicking on.
<br><br>If I have the cube right in front of me in face mode, then click on
<br>the face that is facing me, the face on the other side of the cube
<br>gets selected, red.
<br><br>I'm not seeing this in blender, because there are control vertices for
<br>each face to click on, which works fine.
<br><br>Everything else seems to work fine.
<br><br>You think maybe mesa-7.0.3 is fubar or is this a driver problem?
<br><br>--
<br>Esben Stien is b0ef@e s a
<br> <a href="http://www" target="_top" rel="nofollow">http://www</a>. s t n m
<br> irc://irc. b - i . e/%23contact
<br> sip:b0ef@ e e
<br> jid:b0ef@ n n
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<br><a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18526472&i=1" target="_top" rel="nofollow">K3d-development@...</a>
<br><a href="https://lists.sourceforge.net/lists/listinfo/k3d-development" target="_top" rel="nofollow">https://lists.sourceforge.net/lists/listinfo/k3d-development</a><br><p>From forum: <a href="http://www.nabble.com/k3d-development-f3269.html" embed="fixTarget[3269]" target="_top" >k3d-development</a></p>tag:www.nabble.com,2006:post-18526231Re: Hint Refactoring2008-07-18T03:08:28Z2008-07-18T03:08:28ZEvan Lezar<div dir="ltr"><br><br><div class="gmail_quote">On Fri, Jul 18, 2008 at 7:23 AM, Timothy M. Shead <<a href="http://www.nabble.com/user/SendEmail.jtp?type=post&post=18526231&i=0" target="_top" rel="nofollow">tshead@...</a>> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Folks:<br>
<br>
I've updated all of the bitmap sources and modifiers to use the new<br>
hint-mapping mechanism, which seems to be working well - this cleans-up<br>
loose-ends in the pipeline that have been a source of inefficiency /<br>
ambiguity / confusion for a long time. The plan is to wait awhile and<br>
see that nothing goes wrong, then start working on (the much larger task<br>
of) converting mesh-related plugins. Evan: this touched all of the CUDA<br>
bitmap plugins too, you'll want to familiarize yourself with these<br>
changes and keep an eye out for regressions.<br>
<br>
Cheers,<br>
Tim<br>
</blockquote></div><br>Thanks Tim<br><br>I will have a look and let you know if I have any questions.<br><br>Evan<br></div>
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