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From: Larry P. <lp...@co...> - 2023-11-11 21:48:19
|
Geomview does not perform anti-aliasing. As a result, edges and lines can be rendered, depending upon orientation, with the "jaggy" effect. But there is a way to impose anti-aliasing on the Geomview output. Using the GNU/Linux Nvidia proprietary driver (not nouveau) one can, using the "nvidia-settings" tool, enable FXAA, or the "Fast approximate anti-aliasing." With FXAA enabled, the Geomview OpenGL output is largely free of the "jaggies" problem, or so I have observed. Perhaps others can enable Nvidia FXAA and share their results. |
From: Adrian R. <ad...@an...> - 2023-07-08 20:25:05
|
Hi All Antiprism 0.31 polyhedron modelling software has been released http://www.antiprism.com/download Windows 32-bit and 64-bit installers and Ubuntu binary packages are available. Source code is provided for other systems. The programs all work natively with OFF format. There is an examples album here http://www.antiprism.com/examples/ Adrian. -- Adrian Rossiter ad...@an... http://antiprism.com/adrian |
From: Adrian R. <ad...@an...> - 2023-06-12 10:51:29
|
Hi LLoyd On Mon, 12 Jun 2023, Lloyd W via geomview-users wrote: > Is www.geom.uiuc.edu offline? https://www.isitdownrightnow.com/geom.uiuc.edu.html URL Checked: www.geom.uiuc.edu Response Time: no response Last Down: unknown Geom.uiuc.edu is DOWN for everyone. It is not just you. The server is not responding... The Wayback Machine was crawling the site regularly, but hasn't done so for the last six months https://web.archive.org/details/www.geom.uiuc.edu Adrian. -- Adrian Rossiter ad...@an... http://antiprism.com/adrian |
From: Lloyd W <llo...@ya...> - 2023-06-12 09:17:18
|
Is www.geom.uiuc.edu offline? thanks Lloyd Wood llo...@ya... |
From: <llo...@us...> - 2023-04-30 15:12:20
|
SaVi 1.6 for Geomview is out. No particular Geomview-specific changes, though I took hierarchical menus From DSTool, which barely runs, these days. I have three versions of DSTool 2, all different... SaVi is software for simulation and visualization of satellite orbits, especially satellite constellations such as O3b, Starlink and Project Kuiper. The SaVi 1.6.0 release (30 April 2023) integrates with v1.2 of the satellite plot scripts for better presentation of SaVi coverage maps, adds a reworked hierarchical menu structure with submenus, adds simulations of Audacy, Karousel, Project Kuiper, Laser Light/HALO, RADARSAT, Starlink, Telesat, Theia and Viasat LEO constellations, adds simulations of Singh's geosynchronous 4-satellite constellations as described in Nature Communications, increases maximum number of coverage colors to 29 for megaconstellations with a direct popup menu, adds menu options for coverage map size, adds -small-map and -all-maps options, associates fisheye, sunlight and geostationary satellite behaviour with simulation constants, and suppports wider downloading of TLEs using lynx. fyi Lloyd Woodlhttp://savi.sf.net/ |
From: Adrian R. <ad...@an...> - 2023-02-11 08:38:07
|
Hi Lloyd On Sat, 11 Feb 2023, lloydwood--- via geomview-users wrote: > I'm setting up Geomview on new Win10 laptop, under the Windows Subsystem for Linux (WSL2) subsystem, with the default Ubuntu image > and packages. > > Everything works as you might expect... except OpenGL. Running ... > Any hints on how to figure out what broke where in which driver? Geomview installed as a package with all dependencies without complaint, so there's nothing obvious there. The X client seems somehow internal to WSL2, rather than needing an extra like Xming, which I've had to use previously, suggesting it's likely something to do with that. I haven't updated to WSL2, but I had a quick look and saw this https://learn.microsoft.com/en-us/windows/wsl/tutorials/gui-apps#install-support-for-linux-gui-apps It lists some graphics drivers. It also says that for Windows 10 you need a certain minimum build number. You could also try testing with glxgears, instead of geomview, to exclude it being an issue specific to geomview. The distribution version of geomview is working fine for me with Xming and WSL1 on Windows 10 (which is running in VirtualBox on Ubuntu, in case that is relevant) Adrian. -- Adrian Rossiter ad...@an... http://antiprism.com/adrian |
From: <llo...@us...> - 2023-02-11 06:43:47
|
I'm setting up Geomview on new Win10 laptop, under the Windows Subsystem for Linux (WSL2) subsystem, with the default Ubuntu image and packages. Everything works as you might expect... except OpenGL. Running $ which geomview /usr/bin/geomview $ geomview & gets a blank camera viewport the colour of the set background colour. (And opening up a new camera segfaults Geomview.) Running geomview -noopengl & works as you might expect; the clock, SaVi etc. all draw as intended. I'm glad that flag is still there... Any hints on how to figure out what broke where in which driver? Geomview installed as a package with all dependencies without complaint, so there's nothing obvious there. The X client seems somehow internal to WSL2, rather than needing an extra like Xming, which I've had to use previously, suggesting it's likely something to do with that. thanks Lloyd Wood SaVi for Geomview http://savi.sf.net/ |
From: Larry P. <lp...@co...> - 2023-01-14 22:06:25
|
For those who may be interested, I have used Geomview, in conjunction with the StageTools module, to create visualizations of atomic orbitals, including videos. The web page is located here: http://lapiet.info/mathphys/AO/ao_plotting.html My only concern is that Geomview does not perform anti-aliasing and thus some graphics may contain "jaggies" when rotated or tranformed. But otherwise, Geomview is a superb tool for this type of work. |
From: <llo...@us...> - 2022-07-03 06:51:16
|
I stumbled across a video suggesting a variant of SaVi has been modified to simulate intersatellite links -- functionality which doesn't yet exist in mainstream SaVi releases. A video showing Geomview demonstrating it on current constellations with a ridiculously large number of satellites is here: https://www.youtube.com/watch?v=M49yyJ0o5YU This is related to some work presented to the Internet Engineering Task Force at IETF 112 in November 2021. https://datatracker.ietf.org/meeting/112/materials/slides-112-rtgwg-3-satelite-semantic-addressing-00 But, other than that, I know nothing about this SaVi variant or its capabilities, other than knowing that seeing satellite names and the constellation help text window in that video means that the modifications start from a base of SaVi post version 1.4.1. I did find it interesting comparing this demonstration of SaVi in 2021 with an early video of SaVi from 1996 (thanks, Tamara!). https://www.youtube.com/watch?v=-0UThhgVtKg ...not least of which is that everything is running over Windows (with XMing for display on the Ubuntu linux subsystem) these days. best Lloyd Wood llo...@us... SaVi satellite constellation visualization http://savi.sf.net/ |
From: Adrian R. <ad...@an...> - 2021-11-02 18:11:38
|
Hi All Antiprism 0.29 polyhedron modelling software has been released http://www.antiprism.com/download Windows 32-bit and 64-bit installers and Ubuntu binary packages are available. Source code is provided for other systems. The programs all work natively with OFF format. There is an examples album here http://www.antiprism.com/examples/ Adrian. -- Adrian Rossiter ad...@an... http://antiprism.com/adrian |
From: Stuart L. <sa...@il...> - 2021-10-26 16:39:55
|
It looks as though this bug only prevents writing-out geom objects that use a feature which is probably not widely used (if ever): INST objects which contain an array of *texture-map* transformations ("txtransforms"). The common kind of INST has geometric transforms instead. We didn't use txtransforms in any of the prepackaged data examples. It's possible that nobody ever did use that feature. I think the attached patch may fix this bug, FWIW. On 10/26/21 07:08, Larry Piet wrote: > On Mon, 25 Oct 2021 21:31:27 +1100 > Lloyd W via geomview-users<geo...@li...> wrote: > >> I'm not sure where active geomview development is at this point >> (sourceforge cvs is now read-only) - there was a git repository? So I >> haven't yet checked an active source tree. >> > The active source tree is here: > > https://github.com/geomview/geomview > > > The file "src/lib/gprim/inst/inststream.c" still contains the > questionable lines. > > How would this faulty code be manifest in the operation or output > of Geomview? I use geomview frequently and have not experienced > any problems but then I don't use all of its features. Is there > a way to trigger this section of code? > > Also, the OP may want to post this issue to the github list here: > > https://github.com/geomview/geomview/issues > > > > _______________________________________________ > geomview-users mailing list > geo...@li... > https://urldefense.com/v3/__https://lists.sourceforge.net/lists/listinfo/geomview-users__;!!DZ3fjg!pycbkUehljsaAfpzp33BB6EdtXFXXtLJpG51W74PSIdGCp7vG9s_jAByamcdXBbyNg$ |
From: Larry P. <lp...@co...> - 2021-10-26 13:06:16
|
On Mon, 25 Oct 2021 21:31:27 +1100 Lloyd W via geomview-users <geo...@li...> wrote: > > I'm not sure where active geomview development is at this point > (sourceforge cvs is now read-only) - there was a git repository? So I > haven't yet checked an active source tree. > The active source tree is here: https://github.com/geomview/geomview The file "src/lib/gprim/inst/inststream.c" still contains the questionable lines. How would this faulty code be manifest in the operation or output of Geomview? I use geomview frequently and have not experienced any problems but then I don't use all of its features. Is there a way to trigger this section of code? Also, the OP may want to post this issue to the github list here: https://github.com/geomview/geomview/issues |
From: Lloyd W <llo...@ya...> - 2021-10-25 10:51:58
|
Thanks, David. you previously reported this in January 2019 https://sourceforge.net/p/geomview/mailman/geomview-users/?viewmonth=201901 but the 1.9.5 geomview package of course predates that first report by some years. I presume you built 1.9.5? I'm not sure where active geomview development is at this point (sourceforge cvs is now read-only) - there was a git repository? So I haven't yet checked an active source tree. regards Lloyd Wood http://savi.sf.net/ > On 25 Oct 2021, at 20:44, David Binderman <dc...@ho...> wrote: > > > Hello there, > > Source code is > > if(inst->tlist != NULL || inst->tlisthandle != NULL) { > PoolFPrint(pool, outf, "transforms "); > ok &= GeomStreamOut(pool, inst->tlisthandle, inst->tlist); > } else if(inst->tlist != NULL || inst->tlisthandle != NULL) { > PoolFPrint(pool, outf, "txtransforms "); > |
From: David B. <dc...@ho...> - 2021-10-25 09:43:13
|
Hello there, Source code is if(inst->tlist != NULL || inst->tlisthandle != NULL) { PoolFPrint(pool, outf, "transforms "); ok &= GeomStreamOut(pool, inst->tlisthandle, inst->tlist); } else if(inst->tlist != NULL || inst->tlisthandle != NULL) { PoolFPrint(pool, outf, "txtransforms "); Regards David Binderman |
From: Lloyd W <llo...@ya...> - 2021-07-30 01:18:40
|
Thanks Fabian, I've added a link to this on http://www.geomview.org/thirdparty/ Lloyd Wood http://savi.sf.net/ > On 28 Jul 2021, at 20:18, Fabian Russell <fr3...@gm...> wrote: > > The following website may be of interest to Geomview users: > > https://ayapin-film.sakura.ne.jp/Gnuplot/Tips/geomview.html > > Basically, the author has written a utility that converts a Gnuplot > table into a Geomview > mesh file. This allows the use of Gnuplot to create Geomview objects. > The entire process > is automated within a Gnuplot script file. > > The website is written in Japanese but the example scripts are in English. > > The idea is very similar to the StageTools module for Geomview: > > http://www.math.union.edu/software/StageTools/ > > The Gnuplot --> Geomview program could also be modified by the user to convert > other text-delimited formats. > > Note that some of the example scripts contain syntax errors but these are easily > corrected. > > FR > > > _______________________________________________ > geomview-users mailing list > geo...@li... > https://lists.sourceforge.net/lists/listinfo/geomview-users |
From: Fabian R. <fr3...@gm...> - 2021-07-28 10:18:18
|
The following website may be of interest to Geomview users: https://ayapin-film.sakura.ne.jp/Gnuplot/Tips/geomview.html Basically, the author has written a utility that converts a Gnuplot table into a Geomview mesh file. This allows the use of Gnuplot to create Geomview objects. The entire process is automated within a Gnuplot script file. The website is written in Japanese but the example scripts are in English. The idea is very similar to the StageTools module for Geomview: http://www.math.union.edu/software/StageTools/ The Gnuplot --> Geomview program could also be modified by the user to convert other text-delimited formats. Note that some of the example scripts contain syntax errors but these are easily corrected. FR |
From: Lloyd W <llo...@ya...> - 2020-09-26 00:31:15
|
Ah. look for and download the Pisces tarball from under ftp://www.geom.uiuc.edu/pub/software/ (Mark, you need to regexp search/replace fix all ftp links in the uiuc webspace - as well as this Pisces link, all the old Geomview source/binary ftp links on the old download webpage are affected as well.) Lloyd Wood http://savi.sf.net/ > On 25 Sep 2020, at 23:47, Fabian Russell <fr3...@gm...> wrote: > > On Sun, Sep 20, 2020 at 7:03 AM Lloyd W <llo...@ya...> wrote: >> >> See >> >> http://www.geom.uiuc.edu/~fjw/pisces/ >> >> The server content was preserved when it moved from umn to uiuc, but umn isn't running a virtual server just to do a full server redirect. >> > > Thanks. That link does work, but the link given therein for the > source download is broken: > > http://www.geom.uiuc.edu/~fjw/pisces/download/source.html > > This link still points to the umn.edu. I tried changing it to > uiuc.edu but no joy. |
From: Fabian R. <fr3...@gm...> - 2020-09-25 13:47:06
|
On Sun, Sep 20, 2020 at 7:03 AM Lloyd W <llo...@ya...> wrote: > > See > > http://www.geom.uiuc.edu/~fjw/pisces/ > > The server content was preserved when it moved from umn to uiuc, but umn isn't running a virtual server just to do a full server redirect. > Thanks. That link does work, but the link given therein for the source download is broken: http://www.geom.uiuc.edu/~fjw/pisces/download/source.html This link still points to the umn.edu. I tried changing it to uiuc.edu but no joy. |
From: Lloyd W <llo...@ya...> - 2020-09-20 11:15:52
|
Fabian, See http://www.geom.uiuc.edu/~fjw/pisces/ The server content was preserved when it moved from umn to uiuc, but umn isn't running a virtual server just to do a full server redirect. Lloyd Wood http://savi.sf.net/ > On 20 Sep 2020, at 06:41, Fabian Russell <fr3...@gm...> wrote: > > Does anyone know if the Pisces module for Geomview is still in existence? > > It is mentioned in this post from the Geomview list: > > https://geomview.sourceforge.io/docs/sgarchive/msg04333.shtml > > The link given in the post is dead. > > It has been a long time since then but it is possible that the source > for Pisces is still available |
From: Fabian R. <fr3...@gm...> - 2020-09-19 20:41:19
|
Does anyone know if the Pisces module for Geomview is still in existence? It is mentioned in this post from the Geomview list: https://geomview.sourceforge.io/docs/sgarchive/msg04333.shtml The link given in the post is dead. It has been a long time since then but it is possible that the source for Pisces is still available. |
From: <llo...@ya...> - 2020-05-20 03:58:32
|
I know these programs exist, but that's about the size of it. I understand that support for this was introduced by Claus in Geomview 1.9.0. https://en.wikipedia.org/wiki/Aqsis https://sourceforge.net/projects/pixie/Pixie http://www.renderpixie.com/pixie_renderer.html https://www.3delight.com/ To quote https://sourceforge.net/p/geomview/mailman/geomview-users/thread/463...@ma.../ - the RenderMan MG-backend now supports textures. This will not work with the old Blue-Moon tools, but should work with Aqsis, 3Delight and Pixie, and probably with other RenderMan compliant shaders as well. To use texturing with the RenderMan snapshots produced by Geomview one needs to compile the texture aware RenderMan-shaders that come with Geomview; I have written shaders which emulate the OpenGL application methods GL_MODULATE, GL_DECAL, GL_BLEND and GL_REPLACE. Actually, GL_MODULATE is already implemented in the "paintedplastic" shader, but not for constant shading. The shaders are located in the "data/shaders/" directory. Lloyd Wood http://savi.sf.net On Sunday, 17 May 2020, 11:46:52 GMT+10, Fabian Russell <fr3...@gm...> wrote: Hello, There are configuration options for compiling geomview source code that mention several shader compiler programs: --with-aqsis-shader-compiler=PROGRAM --with-pixie-shader-compiler=PROGRAM --with-delight-shader-compiler=PROGRAM Geomview doesn't seem to require any of these shaders to operate. I have none of them on my system yet geomview runs just fine. What is the purpose of these shader programs and how are they supposed to be used? I can find nothing in the geomview documentation about them. FR _______________________________________________ geomview-users mailing list geo...@li... https://lists.sourceforge.net/lists/listinfo/geomview-users |
From: Fabian R. <fr3...@gm...> - 2020-05-17 01:46:19
|
Hello, There are configuration options for compiling geomview source code that mention several shader compiler programs: --with-aqsis-shader-compiler=PROGRAM --with-pixie-shader-compiler=PROGRAM --with-delight-shader-compiler=PROGRAM Geomview doesn't seem to require any of these shaders to operate. I have none of them on my system yet geomview runs just fine. What is the purpose of these shader programs and how are they supposed to be used? I can find nothing in the geomview documentation about them. FR |
From: mwdeem <mw...@ri...> - 2020-02-03 14:31:15
|
Hi, Not sure why the zefsa-produced file is crashing geomview. These scripts were created back in the late 90s. They worked back then.... If you let me know what if anything is wrong with the .off file, I can try to fix it. Not loading and not producing the desired visual output is not a preferred fix. Regards, Michael Quoting llo...@ya...: > We have an odd test case of an oogl file loadingan off file and > promptly crashing geomview when loaded.(The files were generated by > Zefsa, a molecular structuregenerator using Geomview as a viewer.) > > > Files and instructions how to reproduce this crash are at > http://www.geomview.org/dev/geomview-zefsa-output-segfault.tar.gz > > The crash can be avoided by simply renaming the dodecahedron fileso > that it isn't loaded. > > > I haven't gotten any further beyond creating this > reproductiontestcase and howto, and thinking that Geomview's > parsershouldn't crash on input, while zefsa shouldn't generate > outputthat crashes geomview... > > > thanks to Jiang for reporting this. Further insights welcome. > > regards > > > Lloyd Wood > http://savi.sf.net/ |
From: <llo...@ya...> - 2020-02-03 02:32:07
|
We have an odd test case of an oogl file loadingan off file and promptly crashing geomview when loaded.(The files were generated by Zefsa, a molecular structuregenerator using Geomview as a viewer.) Files and instructions how to reproduce this crash are at http://www.geomview.org/dev/geomview-zefsa-output-segfault.tar.gz The crash can be avoided by simply renaming the dodecahedron fileso that it isn't loaded. I haven't gotten any further beyond creating this reproductiontestcase and howto, and thinking that Geomview's parsershouldn't crash on input, while zefsa shouldn't generate outputthat crashes geomview... thanks to Jiang for reporting this. Further insights welcome. regards Lloyd Wood http://savi.sf.net/ |
From: Larry P. <lp...@co...> - 2019-07-13 17:51:49
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On Sat, 13 Jul 2019 08:18:39 -0300 Jorge Barros de Abreu <fic...@gm...> wrote: > > Is there a better way to make this message attachments (cone > inscribed in sphere)??? > > Better way in sense of a file less than attachments. > You can use the CenterStage module to easily create a cone inscribed in a sphere and then export to OOGL. The mailing list at slashdot does not allow large file attachments and so I cannot attach the OOGL file. But I have attached a JPEG image snapshot of the OOGL file. There is a color grading along the z-axis with the outer sphere being 67% transparent. CenterStage is found here: http://www.math.union.edu/software/StageTools/ I have also attached the CenterStage file that is used to create the cone-in-sphere. Both are described parametrically. The CenterStage file is a script that could create any cone-in-sphere at will. There is no need for large file storage. LP |