I tried to use <max> </max> and
<min> </min> in the Instruments-3d/vor.xml file and it has no affect. I
followed the syntax from the Model-How-To file; also the same as the
syntax used in ai.xml. Here is the relevant chunk of the new vor.xml file.
<animation>
<name>GlidescopeNeedleTransform</name>
<type>rotate</type>
<object-name>GlidescopeNeedle</object-name>
<property>/instrumentation/nav[0]/gs-needle-deflection</property>
<factor>-3.2</factor>
<min>-32</min>
<max>32</max>
<center>
<x-m>0</x-m>
<y-m>-0.03</y-m>
<z-m>0</z-m>
</center>
<axis>
<x>-1</x>
<y>0</y>
<z>0</z>
</axis>
</animation>
What am I doing wrong?
The property goes thru several revolutions and the needle follows all of them.
Only the values near zero are the actual glide
slope indications. I could limit the display of the gs needle to an interval
via conditions, but I thought that min and max would
do this also.
Jim Wilson Wrote:
Dave, I have not studied this carefully to fully answer your question, however you should start by using
"min-deg" and "max-deg" since with "rotate" callbacks the units being output
are not arbitrary, rather they are in fact degrees. For some time now, it is the standard in
FlightGear/SimGear to try and include the type of units in the property names when they are known (e.g. -ft,
-m, -deg). It is easy to forget though, when playing with animations.
Jim, Thanks! Adding -deg to the tags fixed the problem.
Dave Perry
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