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calculate internal properties only once on read()

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torsten 2009-06-03 16:19:27 +00:00 committed by Tim Moore
parent cc29182283
commit 1873346d18
1 changed files with 10 additions and 0 deletions
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10
src/Environment/environment.cxx
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@ -198,6 +198,7 @@ maybe_copy_value (FGEnvironment * env, const SGPropertyNode * node,
void
FGEnvironment::read (const SGPropertyNode * node)
{
bool live_update = set_live_update( false );
maybe_copy_value(this, node, "visibility-m",
&FGEnvironment::set_visibility_m);
@ -230,6 +231,15 @@ FGEnvironment::read (const SGPropertyNode * node)
maybe_copy_value(this, node, "turbulence/rate-hz",
&FGEnvironment::set_turbulence_rate_hz);
// calculate derived properties here to avoid duplicate expensive computations
_recalc_ne();
_recalc_alt_temperature();
_recalc_alt_dewpoint();
_recalc_alt_pressure();
_recalc_density();
_recalc_relative_humidity();
set_live_update(live_update);
}