A while back I was trying to read in lat/long and found a lot of jitter.
I finally found that FG generic was actually only able to read in floats. At
that time I found that the designation in the format was just being used for
output of variables. But for input they were being put into the actual
property tree as a float (even if they were read as a double). I believe that
the problem was in generic.cxx and both FG_DOUBLE and FG_FLOAT were being
treated the same way and being set with prop->setFloatValue(float)val);
I believe that back then I posted a fix that was incorporated, but now I
wonder....
--Adam
On Feb 9, 2010, at 11:43 AM, Curtis Olson wrote:
> Hi John,
>
> The first thought that comes to mind is to double check the precision
> (significant digits) of the data you are writing out. If you are writing out
> heading for instance with 0 or 1 decimal digits or position with 4 decimal
> digits, that could account for this sort of thing.
>
> Regards,
>
> Curt.
>
>
> On Tue, Feb 9, 2010 at 1:37 PM, John Denker wrote:
> Has anybody used the --generic record/playback feature
> recently?
>
> It seems to have some very noticeable bugs:
>
>
> When using the --generic record/playback feature, I
> observe numerous view-related problems:
>
> * Helicopter view: the size of the aircraft throbs
> at a high rate, getting bigger and smaller many
> times per second. This makes this view unusable.
>
> * Chase view: similar throbbing. This makes this
> view unusable.
>
> * Chase view without yaw: the azimuthal direction
> of view shudders, shifting left and right by a
> large amount many times per second. Both the
> aircraft and the scenery shudder. This makes this
> view unusable.
>
> * Cockpit view: small but distracting weird changes
> in heading, especially at low speed, as when taxiing.
>
>
> ----------------------
>
> When using the --generic record/playback feature, the
> engine starter does not engage when the “s” key is pressed.
>
> FWIW I was able to start the engine by using the property
> browser, setting its running property and then giving it
> some rpm.
>
> ---------------------
>
> When using the --generic record/playback feature, the hud is
> visible in the helicopter view, the chase views, and the
> tower views, which looks quite silly.
>
> When using the --generic record/playback feature, when
> playback reaches end of file, it prints on the console at
> a high rate an endless stream of errors:
> Error reading data.
> Error reading data.
> Error reading data.
> Error reading data.
> Error reading data.
>
> ------------------------------------------------------------------------------
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>
>
> --
> Curtis Olson: http://baron.flightgear.org/~curt/
> ------------------------------------------------------------------------------
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