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  #21  
Old 20-04-2010, 09:55 AM
Barrykgerdes
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Originally Posted by mswhin63 View Post
I installed 6115 last night, no longer do I have slow screen update but can't read the text on the screen only the dialog text, even that some dialog text goes funny.

Has anyone else experienced the same problem?
The screen text problem was a nasty bug that we believe has now been fixed. The problem only showed on some screens.

The patch for build 6175 is now in the uploads. try it and see if it fixes the text. It did for me. The latest build has some additions to the telescope control facilities to slew to a set of coords.

Barry
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  #22  
Old 20-04-2010, 10:23 AM
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mswhin63 (Malcolm)
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I will keep my eye out, cant see 6175 ATM, mistake on my behalf I have 6155 not 6115. Tripping a lot lately.
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  #23  
Old 20-04-2010, 11:59 AM
Barrykgerdes
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iT's here.

www.iceinspace.com.au/uploads/stellariumpatch.ZIP

Barry
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  #24  
Old 20-04-2010, 05:40 PM
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I tied to locate the files, would be handy with directory in the zip file but didn't really have much of a problem copying them.

I didn't fix the problem so went online to the forum and saw a post to enter the following in the config file:

use_glshaders = false
use_qpaintenginegl2 = false

I re-installed the release verison and with the input it is almost working, can now see text enough to use. Also the frame rate is now 27fps far better than the 0.2fps on the original installation.

The progrm is now getting there, although still have more testing.
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  #25  
Old 21-04-2010, 05:06 AM
fhub (Franz)
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Originally Posted by Barrykgerdes View Post
Ok, I've now tried the last svn6155 and your patch above, but the problem on ATI graphics still exists: the realtime update stops after a few seconds, it starts again when I move the mouse but again only for a few seconds!

I really wonder when/if the Stellarium programmers will finally be able to fix this bug, for me this doesn't look at all like an OpenGL problem of the ATI driver ...
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  #26  
Old 21-04-2010, 07:27 AM
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Originally Posted by fhub View Post
Ok, I've now tried the last svn6155 and your patch above, but the problem on ATI graphics still exists: the realtime update stops after a few seconds, it starts again when I move the mouse but again only for a few seconds!

I really wonder when/if the Stellarium programmers will finally be able to fix this bug, for me this doesn't look at all like an OpenGL problem of the ATI driver ...
From what I have gathered it is not a problem with Stellarium. Stellarium uses many of the newer features of OpenGl but ATI has not updated its drivers to suit these new features.

The programmers have put quite a few work arounds to bypass many of the problems but have not been able to solve all these problems. I have not had any problems but I do not have any computers with ATI video

have you tried

use_glshaders = false
use_qpaintenginegl2 = false

in the config.ini file

Barry
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  #27  
Old 21-04-2010, 01:44 PM
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Thumbs down

Quote:
Stellarium uses many of the newer features of OpenGl but ATI has not updated its drivers to suit these new features.
Effectively, this appears to mean that those of us with older ATI cards (Radeon X300 series in my case), for which no further driver updates will be issued by the OEM according to their website, have been forgotten about by Stellarium developers too busy chasing the latest and greatest OpenGL features to incorporate. In which case, it's a problem of the programmers' own making!

The Stellarium people seem to have a disappointing approach to legacy system support - my Dell is only 4-5 years old and running well on XP, it's hardly scrap-heap material.
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  #28  
Old 21-04-2010, 02:13 PM
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mswhin63 (Malcolm)
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Originally Posted by MikeyB View Post
Effectively, this appears to mean that those of us with older ATI cards (Radeon X300 series in my case), for which no further driver updates will be issued by the OEM according to their website, have been forgotten about by Stellarium developers too busy chasing the latest and greatest OpenGL features to incorporate. In which case, it's a problem of the programmers' own making!

The Stellarium people seem to have a disappointing approach to legacy system support - my Dell is only 4-5 years old and running well on XP, it's hardly scrap-heap material.
I had the exact same problem, to resolve I updated to the test release 6155 although stable release did have some improvement. In the config.ini file which is accessable from START-> PROGRAMS -> STELLARIUM, I inserted the 2 line under the [main] section

use_glshaders = false
use_qpaintenginegl2 = false

Now it works completely and also getting frame rates up to 50fps which is now faster than I get with Worldwide telescope. I am still doing some run throughs on the program but now beginning to like it now.

Admittedly there are a lot of unhappy people even on the bugs report website but once it is working it is actually quite nice. Not as realistic as Worldwide Telescope which I still use for realism effects but very functional.

If it still doesn't work then I suspect there may be no resolution to the problem for your PC.
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  #29  
Old 21-04-2010, 02:42 PM
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Thanks, Malcolm - I'm going to try all the suggested fixes. The Stellarium version I used previously, worked fine on this system, so I'll be annoyed if their "upgrades" have now made it incompatible.

Last edited by MikeyB; 22-04-2010 at 10:26 AM. Reason: Added punctuation
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  #30  
Old 21-04-2010, 07:09 PM
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mswhin63 (Malcolm)
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I noticed something while browsing the program, the main problem causing the jumbled text seems to be in relation to colour matching between foreground and background. The problem i saw again while clicked on a satelitte with daytime screen view, the text was all garbled. I moved to the darker forground which i use as the ocean and the text cleared up as I panned down. I panned back up again and the text jumbled again.

I switched to night view and all clear again.

I think it has something to do with matching features available in OpenGL but obviously fails with regular cards.
It is not a major problem as it is easy to fix while viewing.

Just thought let you know. I think if they could place an transulent background with the text display it would be better.
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  #31  
Old 21-04-2010, 09:37 PM
fhub (Franz)
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Quote:
Originally Posted by Barrykgerdes View Post
have you tried

use_glshaders = false
use_qpaintenginegl2 = false

in the config.ini file
Yes, but it doesn't change anything for this problem.
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  #32  
Old 21-04-2010, 09:42 PM
fhub (Franz)
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Originally Posted by MikeyB View Post
The Stellarium people seem to have a disappointing approach to legacy system support - my Dell is only 4-5 years old and running well on XP, it's hardly scrap-heap material.
Well, it's not only about older ATI systems like yours.
My notebook is just 1 year old and I've updated the drivers to the very last version (just 1 month old), but nevertheless this problem of stopping the realtime updating in Stellarium still exists.

With their strange OpenGL policy the Stellarium programmers are in fact excluding a HUGE group of users (with ATI cards) from using their program!
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  #33  
Old 21-04-2010, 11:09 PM
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Quote:
Originally Posted by fhub View Post
Well, it's not only about older ATI systems like yours.
My notebook is just 1 year old and I've updated the drivers to the very last version (just 1 month old), but nevertheless this problem of stopping the realtime updating in Stellarium still exists.

With their strange OpenGL policy the Stellarium programmers are in fact excluding a HUGE group of users (with ATI cards) from using their program!
It is not just Stellarium that suffers from ATI's lack of OpenGL support. For instance Virtual Moon Atlas runs like an absolute dog too.

They both run fine on my laptop with Intel GMA graphics or notebook with Intel 945 graphics. Neither of those chipsets could be called powerful, but have a much better OpenGL implementaion.

When I get round to it I have an NVidia card to replace the ATI card in my desktop.

Adding:

use_glshaders = false
use_qpaintenginegl2 = false

about halves the FPS on the laptop.
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  #34  
Old 22-04-2010, 12:35 AM
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So much for the Stellariumpatch.zip file from yesterday. It's raised my version number from 10.4 to 10.5, but the garbled text problems are just as bad. To make matters worse, the enclosed ReadMe.rtf shows an appalling disregard for quality checking by the programmers responsible, with three of the ten files misnamed:
  • stelmainlib.dll should be libstelmain.dll
  • default_config.sys should be default_config.ini
  • log24bits.png should be logo24bits.png
Given their 30% error rate in file naming, I think I'm beginning to get a better understanding of where the problem actually lies.
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  #35  
Old 22-04-2010, 12:58 AM
fhub (Franz)
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Originally Posted by MikeyB View Post
So much for the Stellariumpatch.zip file from yesterday. It's raised my version number from 10.4 to 10.5,,,
Well, that's already a progress, isn't it?
Quote:
Given their 30% error rate in file naming, I think I'm beginning to get a better understanding of where the problem actually lies.
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  #36  
Old 22-04-2010, 06:44 AM
Barrykgerdes
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Quote:
Originally Posted by MikeyB View Post
So much for the Stellariumpatch.zip file from yesterday. It's raised my version number from 10.4 to 10.5, but the garbled text problems are just as bad. To make matters worse, the enclosed ReadMe.rtf shows an appalling disregard for quality checking by the programmers responsible, with three of the ten files misnamed:
  • stelmainlib.dll should be libstelmain.dll
  • default_config.sys should be default_config.ini
  • log24bits.png should be logo24bits.png
Given their 30% error rate in file naming, I think I'm beginning to get a better understanding of where the problem actually lies.
Sorry about the typos. I am a two finger typist and do not see the screen when I type so I miss a lot of mistakes. I fixed it this morning but will not upload till next week. The readme file was only an after thought that was added in a hurry previously.

Please remember I am not a programmer and only put this unofficial patch up as something for the stellarium users who understand the location of the files etc. to experiment with. It is just a collection of information that I use to make a working program from a clean installation of version 0.10.4 by using the executables and relevant changes from the latest builds that I make while testing on the 10 assorted platforms I have. None of which have ATI video systems.

If you find bugs with the official versions the correct place to report is in the bug reporting area of stellarium.org

Barry

Last edited by Barrykgerdes; 22-04-2010 at 06:58 AM.
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  #37  
Old 22-04-2010, 07:39 AM
fhub (Franz)
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Originally Posted by Barrykgerdes View Post
Please remember I am not a programmer and only put this unofficial patch up ...
Hi Barry,

all this is of course no offend to YOU, just the opposite: we appreciate your efforts in creating such an easy-to-use update package for Stellarium!

Our complaints are directed to the programmers of Stellarium which just ignore the problems of a big group of ATI users, but it seems they don't care about it at all.
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  #38  
Old 22-04-2010, 08:12 AM
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Quote:
Originally Posted by MikeyB View Post
So much for the Stellariumpatch.zip file from yesterday. It's raised my version number from 10.4 to 10.5, but the garbled text problems are just as bad.
Shut down Stellarium. Rename your config.ini. Start Stellarium. Redo your customisations.

That fixed my font problems.

Quote:
Originally Posted by fhub View Post
Hi Barry,
Our complaints are directed to the programmers of Stellarium which just ignore the problems of a big group of ATI users, but it seems they don't care about it at all.
I've said this before and in this thread. ATI display problems are not caused by Stellarium's programmers. They are caused by ATI's inability to write good OpenGL drivers.

I'm not buying any more ATI cards, and will not consider a laptop with a ATI video.
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  #39  
Old 22-04-2010, 08:26 AM
fhub (Franz)
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Originally Posted by mithrandir View Post
I've said this before and in this thread. ATI display problems are not caused by Stellarium's programmers. They are caused by ATI's inability to write good OpenGL drivers.
Sorry but I don't agree.
The problem I described (realtime updating stops) did NOT occur in Stellarium version 0.10.2, it started with version 0.10.3.
So it's definitely the fault of the Stellarium programmers if they use the very latest OpenGL features which aren't yet implemented in all graphic drivers. There's certainly no new Stellarium feature in 0.10.3/4 which would require the use of such new OpenGL functions.
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  #40  
Old 22-04-2010, 09:04 AM
Barrykgerdes
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Originally Posted by fhub View Post
Sorry but I don't agree.
The problem I described (realtime updating stops) did NOT occur in Stellarium version 0.10.2, it started with version 0.10.3.
So it's definitely the fault of the Stellarium programmers if they use the very latest OpenGL features which aren't yet implemented in all graphic drivers. There's certainly no new Stellarium feature in 0.10.3/4 which would require the use of such new OpenGL functions.
Hi

Stellarium is programmed to give as realistic a view as possible particularly with the shading features now included as part of the OpenGL. To utilise these features it is necessary to have a display that caters for these features. Some of the video display manufacturers have been slow to include these routines in their drivers and some of them don't intend to update drivers for older cards.

Please also remember that versions below 1.0.0 are technically beta versions. When we do eventually reach version 1.0.0 the program will be impressive. However there are still a number of the basic features for stellarium to be coded before the release of version 1.0.0

It is a pity that Stellarium does not run correctly with some displays now and the programmers are trying to identify areas of the program that can be given work arounds that bypass some of the new features but it is not a fault in programming.

To help with identifying areas that can be modified it needs a properly constructed bug report with all the relevant details submitted to the bug reporting area of stellarium.org where the various assistant programmers can attempt to find solutions and provide patches.

Version 0.10.2 was built using Qt 4.5.0. From 0.10.3 Qt 4.6 has been used. This version includes many new features that are highly desirable for use in Stellarium but required many changes to the basic code. That is why versions from 0.10.3 have not run on many ATI cards. Where possible an entry has been provided for the confi.ini file to new turn these features ON/OFF to suit displays that do not cater for them.


Barry

Last edited by Barrykgerdes; 22-04-2010 at 09:20 AM.
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