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CONTENT
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K3DSurf

   0.6.2  

KDE Scientific

Score 86%
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K3DSurf
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K3DSurf
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K3DSurf
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Link:  Link
Downloads:  74839
Submitted:  Jun 6 2005
Updated:  Mar 5 2014

Description:

K3DSurf is a program to visualize and manipulate Multidimensional surfaces by using Mathematical equations. It's also a "Modeler" for POV-Ray in the area of parametric/iso surfaces.

Features :
* 3D, 4D, 5D and 6D HyperObjects visualization.
* Animation and Morph effect.
* Povscript and OBJ Mesh file export.
* More than 100 examples.

***************************************




Changelog:

MathMod is a new project that is a complete rewrite of K3DSurf, with many new features and optimizations.
Please visit the new project home page at: http://kde-apps.org/content/show.php/MathMod?content=163992




License: GPL
(K3DSurf src-0.6.2)
other(k3dsurf_0.6.2_Linux_bin)
Debian(k3dsurf_LinuxDebian (K3DSurf-0.6.1))
other(Red Hat/Fedora (K3DSurf-0.6.2))
MS Windows(WINDOWS (K3DSurf-0.6.2))
other(K3DSurf_All_SYSTEM/VERSION)
Mac OS X(MacOSX (K3DSurf-0.6.2))
Slackware(SlackWare (K3DSurf-0.6.2))
FreeBSD(FreeBSD port (K3DSurf-0.6.2))
Ark(Arch Linux (K3DSurf-0.6.2))
Mandriva(Mandriva (K3DSurf-0.6.2))
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 Corrected build fail

 
 by boriscz on: Jul 31 2005  
Score 50%
borisczboriscz

Hi!
I downloaded k3dsurf and wanted to build it. At first it did not start a build at all, so I used qmake; qmake -o Makefile k3dsurf.pro. The build then started, but failed at panel.h, because it did not recognize QThread declared. Adding first line to panel.h as #define QT_THREAD_SUPPORT solved the problem and I am now using k3dsurf.

Boris


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 Re: Corrected build

 
 by virtualmeet on: Jul 31 2005  
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Hi,
Thanks for reporting this to me but it's a bit strange because Qthread support is already declared in k3dsurf.pro file and it should be sufficient. Also, the right commande to compile the source code is simply by typing in k3dsurf directory:
qmake; make;
if someone else have the same problem please repoted to me.
see you.


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 Re: Re: Corrected bu

 
 by boriscz on: Aug 3 2005  
Score 50%
borisczboriscz

The thing is I tried the commands you say are the right. "qmake" goes fine. But "make" throws an error:
"cd src & make -f Makefile"
"make[1]: Entering directory /home/user/k3dsurf/src"
"make[1]: *** No rule to make target "/usr/qt/3/mkspecs/linux-g++/qmake.conf", needed by Makefile. Stop"
"make[1]: Leaving directory /home/user/k3dsurf/src".
"make[1]: sub-src: Error".
(the last line might not be exactly correct, since I cannot do copy/paste)

The file qmake.conf exists at the place reported by make.
And sorry, in my first post, the first step with which I resolved the problem was "qmake -project", not "qmake".
Hope this additional info helps you to resolve the problem.

Regards, Boris
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 Re: Re: Re: Correcte

 
 by virtualmeet on: Aug 4 2005  
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Hi,
Seems this one is different from the Qthread compilation problem...can't tell exactly what happen but the problem seems to be the location of Qt. One solution of this is to remove the Makefiles .There are two: one in the root of k3dsurf directory, the other in src directory (to be sure that qmake will create new ones) and reexecute: qmake; make; command.
see you


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 Gentoo Ebuilds

 
 by anmaster on: Sep 11 2005  
Score 50%
anmasteranmaster

Are there any ebuilds for K3DSurf?

I love Gentoo.
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 Re: Gentoo Ebuilds

 
 by virtualmeet on: Sep 11 2005  
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I don't think so. I't would be nice if you can create one since I have no idea about Gentoo's spec. Thanks


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 Re: Re: Gentoo Ebuil

 
 by anmaster on: Sep 11 2005  
Score 50%
anmasteranmaster

I never done that before, but it shouldn't be to hard. I don't have time at the moment. Maybe next week.

I love Gentoo ;)
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 Re: Re: Re: Gentoo Ebuil

 
 by anmaster on: Sep 11 2005  
Score 50%
anmasteranmaster

Your screenshots... They are Windows!

Does this mean that K3DSurf only needs QT not KDE? Or is it some strange KDE-theme? I'm confused because I can't program i C/C++, so I can't read the code.

I prefer Kylix.
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 Re: Re: Gentoo Ebuilds

 
 by anmaster on: Sep 11 2005  
Score 50%
anmasteranmaster

How do you do to select installation location without "./configure --prefix"? The instructions said "qmake; make".

For Gentoo I will need to install in /usr/kde//.

Ebuilds are basicly scripts describing how to build the package from source and install it.


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 Re: Re: Gentoo Ebuilds

 
 by anmaster on: Sep 11 2005  
Score 50%
anmasteranmaster

I found the PovRay option.

Does K3DSurf depend on PovRay?

I need to know what packages an Ebuild should depend on and what is optional (so called USE flags in Gentoo).

The user may select USE flags and the packages are then compiled with or without support for different things.

By the way, K3DSurf is great.


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 Wrong message...

 
 by anmaster on: Sep 11 2005  
Score 50%
anmasteranmaster

I see my last message about Gentoo went wrong. It should say

For Gentoo I will need to install in /usr/kde/<kdeversion>/.


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 I have a problem

 
 by anmaster on: Sep 12 2005  
Score 50%
anmasteranmaster

K3DSurf builds and starts correctly, but I can only get wireframe! I use X.Org with nVidia OpenGL drivers.

I have tried activating and deactivating Mesh. And I see a bit of Mesh, but only where there are more than four "layers" of wireframe!

Any idea? I don't know what more info you may need.


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 Re: I have a problem

 
 by virtualmeet on: Sep 12 2005  
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Hi,
The screenshoot was made under windows because it works there too. K3DSurf need only Qt, this is whay it works under windows and Mac.
K3DSurf don't need OpenGL since it use only Qt's 2D drawind...
I don't have any idea whay the drawing show only in Mesh...no one has pointed that probleme before...
Please try the Linux binary before to see if it resolve the probleme. If it works, then something is wrong with your compile framework. let me kow what happen


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 Re: Re: I have a problem

 
 by anmaster on: Sep 12 2005  
Score 50%
anmasteranmaster

Linux binary don't work. I get "./k3dsurf-0.5.2: error while loading shared libraries: libstdc++.so.6: cannot open shared object file: No such file or directory"

I know my system is up-to-date. The Gentoo release is from August 2005, and I keep it up-to-date.

A "locate libstdc++.so" outputs:

/opt/OpenOffice.org/program/libstdc++.so

/opt/OpenOffice.org/program/libstdc++.so.5

/usr/lib/libstdc++.so.2.7.2.8

/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so

/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so.5

/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so.5.0.7

/usr/lib/libstdc++.so.2.8

/usr/lib/libstdc++.so.2.9

/usr/lib/libstdc++.so.2.7.2

/usr/lib/libstdc++.so.2.8.0

/usr/lib/libstdc++.so.2.9.0

My problems was that I don't get mesh! Except by using PovRay.


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 Re: Re: Re: I have a

 
 by virtualmeet on: Sep 12 2005  
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1)You gcc is up to date but only in 3.3 branch...which mean that it use an old stdlib (version 5). There is another branch of gcc, the version 3.4 that use libstd (version 6). I'm not sure this will resolve your problem but I urge you to upgrade your gcc to the 3.4 branch (from Gentoo packages).
2) It seems that your nvidea opengl driver use heavely hadware acceleration even for non opengl programs. try, if you can, disable opengl acceleration to see if the drawing is ok (in general, this option is provided by a prorgam provided with the driver)


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 Re: Re: Re: Re: I have a

 
 by anmaster on: Sep 12 2005  
Score 50%
anmasteranmaster

I already have GCC 3.4!

It can't be that.


To disable OpenGL accleration I have to change dirver from "nvidia" to "nv" in xorg.conf and unload the "nvidia" kernelmodule. I don't want to do that, because of VGA-conneted TFT-screen. It will set to strange refreshrates! I also run a lot of OpenGL apps that wouldn't work.

But maybe the line

Option "RenderAccl" "on"

in xorg.conf got somethig to do with this.

By the <br> don't work at www.kde-apps.org!


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 Re: Re: Re: Re: Re: I have a

 
 by anmaster on: Sep 12 2005  
Score 50%
anmasteranmaster

I now understand why gcc 3.4 don't show up above. The slocate database was not up to date. I emerged (gentooish for installed ;-) ) gcc 3.4 the same day.

I wouldn't go beoynd 3.4, i ONLY install stable versions for packages important for running the system.


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 Sorry

 
 by anmaster on: Sep 13 2005  
Score 50%
anmasteranmaster

Everything was messed up. A power failure did that. And I thought: I'm using ReiserFS, it's journaling, no need for alarm.

But I was wrong, a lot of files are missing from / and /usr and I emerged gcc-3.4 after this happened but before I discovered the loss.

GCC 3.4 is not stable in Gentoo. But portage (the installation system in Gentoo) was messed up to. But I recovering everything now. I have to write this in IE on XP :(



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 Re: Re: Re: Re: Re:

 
 by virtualmeet on: Sep 13 2005  
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Good luck anmaster :-) it happened to all of us at least once ;-). Hope you can run K3DSurf after that, let me know if it works for you



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 Re: Re: Re: Re: Re: Re: I have a

 
 by anmaster on: Sep 13 2005  
Score 50%
anmasteranmaster

Why can't I reply to the message above?

Gentoo is up again (from backups) and I don't trust ReiserFS any longer. Do you know any other good FS? I have a LOT of small files so not EXT3.

I don't want to install a testing package that is so important to the system as GCC. How should I downgrade if something goes wrong? Remember Gentoo compile the package when you install it.

By the way, are there an explanation for those icons at www.kde-apps.org. The faces and the arrows I can understand, but the square and the "blob"?

I love stable packages.

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 Re: Re: I have a problem

 
 by anmaster on: Sep 12 2005  
Score 50%
anmasteranmaster

If it don't use OpenGL, maybe this information is interesting:

QT ebuild version=qt-3.3.4-r3


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 OpenGL

 
 by anmaster on: Sep 13 2005  
Score 50%
anmasteranmaster

It's very slow. Maybe you could add OpenGL?

Using nVidia.
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 Re: OpenGL

 
 by virtualmeet on: Sep 13 2005  
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I think that your nvidea driver is not useful for K3DSurf (mine don't have OpenGl acceleration) and anim take less than 30% CPU (grid 25x25). Don't use height grid unless you need to export to POV or other file format. By the way, OpenGl is useful but I don't like the rendering (it's almost impossible to have an accurate rendering for the mesh). OpenGl is almost done but I prefer to concentrate right now on other features.
What grid are you using?


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 Re: Re: OpenGL

 
 by anmaster on: Sep 13 2005  
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anmasteranmaster

nVidia provides Linux OpenGL dirvers at http://www.nvidia.com/content/drivers/drivers.asp.

They are free but not open source. I have OpenGL accleration. I get 400 FPS in the OpenGL game gl-117 at maximum quality. No accleration?


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 Re: Re: OpenGL

 
 by anmaster on: Sep 13 2005  
Score 50%
anmasteranmaster

I'm using 30x30 on a Pentium 4 2.0GHz. The animation isn't smooth. I have tried this on both Windows and Linux. I even tried running X using twm only to test if KDE was using up my cpu. It didn't help.

The nVidia drivers included with X don't have OpenGL accleration.


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 Re: Re: Re: OpenGL

 
 by virtualmeet on: Sep 13 2005  
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My machine is an Athlon 2GH with only 256M RAM and linux versin of K3DSurf use less than 40%CPU at (30x30)... You can accelerate animations by reduicing the "latency" to 5ms (MoreOptions-->Latency).
It's strange that Windows version is slow too (in my config, animation use almost 65% at 25x25). Windows version is 2 times slower than Linux version du to Qt multithread limitations (it wasn't easy to make it work there and sources code are not totally compatibles). K3DSurf 0.5.3 for windows is under work since, like I said before, it needs some tweaks to make it run (you can compile source code provided here for windows but animation and Morph will not work properly). Mac version don't need theses changes. I'm prety sure that the probleme is from an incompatibility between Qt and Nvidea drivers...So, right now, I'm afraid but you have to use parts of K3DSurf that works fine for you(povray mesh generation, view examples...) .
Also, you can can try K3DSurf in another machine (friends ?) to compare behaviors.
Let me know if things get better for you.


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 Re: Re: Re: Re: OpenGL

 
 by anmaster on: Sep 14 2005  
Score 50%
anmasteranmaster

But doesn't QT cost money for Windows?


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 Re: OpenGL

 
 by virtualmeet on: Sep 13 2005  
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You can also try the windows version(0.5.2)


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 Re: Re: OpenGL

 
 by anmaster on: Sep 13 2005  
Score 50%
anmasteranmaster

But where is the last version for Windows? And it is slow to. But I don't have any mesh related problem in Windows.


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 Re: Re: Re: OpenGL

 
 by virtualmeet on: Sep 15 2005  
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K3DSurf v0.5.3 is now available. if it's too slow, try to :
1) set latency to 5ms (More Options-->latency)
2) Activate HSR and reduice it's quality to 1.
Hope this can help.
see you


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 Re: Re: Re: OpenGL

 
 by virtualmeet on: Sep 15 2005  
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I was talking about K3DSurf v0.5.3 for windows...


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 Bug

 
 by anmaster on: Sep 13 2005  
Score 50%
anmasteranmaster

I have only tested this in the Windows version:

I animation is enabled and exit K3DSurf whithout stoping the animation first I get this error:

---------------------------
k3dsurf.exe - Programfel
---------------------------
Instruktionen på "0x0041b3c1" refererade till minnet på "0x01c90cb8". Det gick inte att utföra en minnesåtgärd. Följande fel returnerades: The memory could not be "read".


---------------------------
OK Avbryt
---------------------------

The error is partly in Swedish because of a Swedish XP.

Avbryt=Cancel

Följande fel returnerades=The following error was returned

Programfel=Application error

Det gick inte att utföra en minnesåtgärd.=It was not possible to execute a memory request. (I'm not sure on this one. May be access instead of request. Or somethig else.)

Instruktionen på "0x0041b3c1" refererade till minnet på "0x01c90cb8".= The instruction at "0x0041b3c1" referred to the memory at "0x01c90cb8"


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 Re: Bug

 
 by anmaster on: Sep 15 2005  
Score 50%
anmasteranmaster

The same bug is in version 5.0.3 for Windows.


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 Re: Re: Bug

 
 by virtualmeet on: Sep 16 2005  
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It looks like the problem come from Qt multithreading use along with nvidea driver...I'll try to find out a solution but it'll be difficult since no one has reported that prob before and that it depends on specific hardware. Qt forums don't help so much for this (I take a look at Qt Forums but the only advise for such problem was : Qt is not safe when using multithreading along with it's GUI)
see you


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