dave perry wrote:
>
> Concerning the first bug;
<snip>
> In the osg branch, it seems to me that the
> verital and horizontal fov are simply scaled the same which results in
> the distortion. I have looked in the source to try and find where this
> is happening to no avail. But I am still just learning c++.
>
I found the place(s) in renderer.cxx where the aspect ratio is assumed
to be 4:3 and by computing the aspect ratio from /sim/startup/xsize and
/sim/startup/ysize and replacing the 4.0/3.0 in the code, the
distortions are gone while dragging the window boundaries. I have a
work teleconference at 1:00 PM MST, so after that and a little more
testing, I will submit a patch.
> dave perry wrote:
>
>> Hi all,
>>
>> I have not had a working osg build since late September when I installed
>> F7. Yesterday, I did fresh check outs of osg, simgear, and flightgear
>> source and data. I now have two problems that are not there with V1.0,
>> or the plib cvs branch.
>>
>> 1. Wrong ASPECT RATIO on non 4:3 monitors
>>
>> I have a 1680x1050 TFT monitor. Works great with V1.0 and the plib
>> branch. But the aspect ratio is distorted with osg. This issue has
>> been seen by others. Miak indicates that with osg and XP setting
>> the geometry to 1680x1050 results in this distortion. But if he
>> starts with a 4:3 resolution and then maximizes the window, he gets
>> no distortion. Not so on my F7 system. One other related
>> observation. The affect of changing the
>> /sim/current-view/aspect-ratio-multiplier
>> is different in osg compared to V1.0. With the plib version,
>> changing this from 1 really adjusts the aspect ratio. With osg,
>> adjusting this property just scales the view similar to adjusting fov.
>>
>> 2. Some aircraft-defined keyboard toggles work only once in osg branch
>>
>> Examples: pa24-250-set.xml and the pa28-161 both use the keys "!",
>> "@", "#", "$", "%", "^", "(", and ")". With older osg builds and
>> current V1.0 and plib builds these work. With yesterdays osg build,
>> most of these only work the first time. I tried other AC and some
>> of their toggles also only worked the first time. Casaba indicated
>> (IRC) with an older osg build, these toggles work repeatedly. By
>> the way, the pannel hot spots use the same nasal functions to do the
>> toggle and they all still toggle repeatedly.
>>
>> I have tried both osg 2.2 and osg cvs with the same results on both issues.
>>
>> Are others with current svn and cvs osg builds seeing these issues?
>>
>> -Dave P.
>>
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>>
>
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