Basic Weather integration with Atmospheric Shader.
This commit is contained in:
Stuart Buchanan
parent
e12f7b8ff3
commit
823510f0b4
1 changed files with 707 additions and 1 deletions
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@ -16,7 +16,7 @@
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General Public License for more details.
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-->
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<!--
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Compute local weather related properties
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Compute Atmospheric Light Shading related properties
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-->
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<PropertyList>
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@ -45,4 +45,710 @@
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<type>gain</type>
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<gain>0.30480</gain>
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</filter>
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<!-- Properties used by the atmospheric scattering shader, when not being set directly
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by Advanced Weather -->
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<filter>
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<!-- Ground visibility. Same as lowest boundary layer. -->
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<name>EnvironmentInterpolator:AtmosphericShader:ground-visibility-m</name>
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<type>gain</type>
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<enable>
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<condition>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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</condition>
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</enable>
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<input>/environment/config/boundary/entry[0]/visibility-m</input>
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<output>/environment/ground-visibility-m</output>
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</filter>
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<filter>
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<!-- Ground haze level - assumed to be up to the lowest cloud layer. -->
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<name>EnvironmentInterpolator:AtmosphericShader:GroundHazeThickness</name>
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<type>gain</type>
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<enable>
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<condition>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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</condition>
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</enable>
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<input>
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<expression>
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<sum>
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<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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</sum>
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</expression>
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</input>
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<gain>
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<!-- feet to meters -->
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<value>0.3048</value>
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</gain>
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<u_min>
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<value>0</value>
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</u_min>
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<u_max>
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<!-- haze maxes out at 6000ft. Could probably do something using lapse rates instead -->
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<value>2000</value>
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</u_max>
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<output>/environment/ground-haze-thickness-m</output>
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</filter>
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<!-- Build up the ground level scattering from 1 for clear skies to 0.6 for overcast -->
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:GroundScattering:0:Clear</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<equals>
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<property>/environment/clouds/layer[0]/coverage</property>
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<value>clear</value>
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</equals>
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</and>
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</condition>
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</enable>
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<input>
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<value>1</value>
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</input>
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<output>/environment/surface/ground-scattering</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:GroundScattering:0:Few</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<equals>
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<property>/environment/clouds/layer[0]/coverage</property>
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<value>few</value>
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</equals>
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</and>
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</condition>
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</enable>
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<input>
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<value>0.9</value>
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</input>
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<output>/environment/surface/ground-scattering</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:GroundScattering:0:Scattered</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<equals>
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<property>/environment/clouds/layer[0]/coverage</property>
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<value>scattered</value>
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</equals>
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</and>
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</condition>
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</enable>
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<input>
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<value>0.8</value>
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</input>
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<output>/environment/surface/ground-scattering</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:GroundScattering:0:Broken</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<equals>
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<property>/environment/clouds/layer[0]/coverage</property>
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<value>broken</value>
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</equals>
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</and>
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</condition>
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</enable>
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<input>
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<value>0.7</value>
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</input>
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<output>/environment/surface/ground-scattering</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:GroundScattering:0:Overcast</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<equals>
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<property>/environment/clouds/layer[0]/coverage</property>
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<value>overcast</value>
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</equals>
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</and>
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</condition>
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</enable>
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<input>
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<value>0.6</value>
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</input>
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<output>/environment/surface/ground-scattering</output>
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</filter>
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<!-- TODO: Handle layers beyond the first -->
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<!-- Set the scattering at the aircraft level -->
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Scattering:AircraftAboveLayer</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<greater-than>
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<property>/position/altitude-ft</property>
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<expression>
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<sum>
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<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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</sum>
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</expression>
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</greater-than>
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</and>
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</condition>
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</enable>
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<input>
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<value>1</value>
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</input>
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<output>/rendering/scene/scattering</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Scattering:AircraftBelowLayer</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<less-than-equals>
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<property>/position/altitude-ft</property>
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<expression>
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<sum>
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<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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</sum>
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</expression>
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</less-than-equals>
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</and>
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</condition>
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</enable>
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<input>/environment/surface/ground-scattering</input>
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<output>/rendering/scene/scattering</output>
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</filter>
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<!-- Clouds self-shading -->
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:CloudSelfShading</name>
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<type>gain</type>
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<enable>
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<condition>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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</condition>
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</enable>
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<input>
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<!-- TODO : Make this sun-angle dependent -->
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<value>1.0</value>
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</input>
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<output>/environment/cloud-self-shading</output>
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</filter>
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<!-- Skydome parameters - /sim/rendering/[mie|rayleigh|dome-density] -->
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:VisFactor</name>
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<type>gain</type>
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<enable>
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<condition>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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</condition>
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</enable>
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<input>
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<expression>
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<product>
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<difference>
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<property>/environment/visibility-m</property>
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<value>30000</value>
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</difference>
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<value>0.000011111</value>
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</product>
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</expression>
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</input>
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<u_min>0.0</u_min>
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<u_max>1.0</u_max>
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<output>/sim/rendering/skydome-vis-factor</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Rayleigh:Low</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<less-than>
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<property>/position/altitude-ft</property>
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<value>36000</value>
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</less-than>
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</and>
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</condition>
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</enable>
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<input>
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<expression>
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<difference>
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<value>0.0003</value>
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<product>
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<property>/sim/rendering/skydome-vis-factor</property>
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<value>0.0001</value>
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</product>
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</difference>
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</expression>
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</input>
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<output>/sim/rendering/rayleigh-no-polution</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Rayleigh:Medium</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<greater-than>
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<property>/position/altitude-ft</property>
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<value>36000</value>
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</greater-than>
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<less-than>
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<property>/position/altitude-ft</property>
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<value>85000</value>
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</less-than>
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</and>
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</condition>
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</enable>
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<input>
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<expression>
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<difference>
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<difference>
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<value>0.0003</value>
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<product>
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<property>/sim/rendering/skydome-vis-factor</property>
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<value>0.0001</value>
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</product>
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</difference>
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<product>
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<difference>
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<property>/position/altitude-ft</property>
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<value>36000</value>
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</difference>
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<value>0.000000002</value>
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</product>
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</difference>
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</expression>
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</input>
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<output>/sim/rendering/rayleigh-no-polution</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Rayleigh:High</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<greater-than>
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<property>/position/altitude-ft</property>
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<value>85000</value>
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</greater-than>
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</and>
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</condition>
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</enable>
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<input>
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<expression>
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<difference>
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<value>0.0002</value>
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<product>
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<property>/sim/rendering/skydome-vis-factor</property>
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<value>0.0001</value>
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</product>
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</difference>
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</expression>
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</input>
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<output>/sim/rendering/rayleigh-no-polution</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Rayleight:Polution:Low</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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</not>
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<less-than-equals>
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<property>/position/altitude-ft</property>
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<expression>
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<sum>
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<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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</sum>
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</expression>
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</less-than-equals>
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</and>
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</condition>
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</enable>
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<input>
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<expression>
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<sum>
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<property>/sim/rendering/rayleigh-no-polution</property>
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<product>
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<property>/environment/air-pollution-norm</property>
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<value>0.0003</value>
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</product>
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<product>
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<property>/environment/air-pollution-norm</property>
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<value>0.0004</value>
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<difference>
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<value>1.0</value>
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<product>
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<div>
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<property>/position/altitude-ft</property>
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<sum>
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<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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<value>1.0</value><!-- to avoid divide by 0 exceptions -->
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</sum>
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</div>
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<div>
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<property>/position/altitude-ft</property>
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<sum>
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<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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<value>1.0</value><!-- to avoid divide by 0 exceptions -->
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</sum>
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||||
</div>
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||||
</product>
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||||
</difference>
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||||
</product>
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||||
</sum>
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||||
</expression>
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||||
</input>
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<output>/sim/rendering/rayleigh</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Rayleight:Polution:High</name>
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<type>gain</type>
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<enable>
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<condition>
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<and>
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<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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||||
</not>
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||||
<greater-than>
|
||||
<property>/position/altitude-ft</property>
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||||
<expression>
|
||||
<sum>
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||||
<property>/environment/clouds/layer[0]/elevation-ft</property>
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<property>/environment/clouds/layer[0]/thickness-ft</property>
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||||
</sum>
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||||
</expression>
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||||
</greater-than>
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||||
</and>
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||||
</condition>
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</enable>
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<input>
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<expression>
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||||
<sum>
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<property>/sim/rendering/rayleigh-no-polution</property>
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<product>
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||||
<property>/environment/air-pollution-norm</property>
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||||
<value>0.0003</value>
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||||
</product>
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||||
</sum>
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||||
</expression>
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</input>
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<output>/sim/rendering/rayleigh</output>
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</filter>
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<filter>
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<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Mie:Low</name>
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<type>gain</type>
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||||
<enable>
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||||
<condition>
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||||
<and>
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||||
<not>
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<property>/nasal/local_weather/enabled</property>
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<value>true</value>
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||||
</not>
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||||
<less-than>
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||||
<property>/position/altitude-ft</property>
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||||
<value>36000</value>
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||||
</less-than>
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||||
</and>
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||||
</condition>
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||||
</enable>
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||||
<input>
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||||
<expression>
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||||
<difference>
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||||
<value>0.005</value>
|
||||
<product>
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||||
<property>/sim/rendering/skydome-vis-factor</property>
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||||
<value>0.002</value>
|
||||
</product>
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||||
</difference>
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||||
</expression>
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||||
</input>
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||||
<output>/sim/rendering/mie</output>
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||||
</filter>
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||||
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||||
<filter>
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||||
<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Mie:Medium</name>
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||||
<type>gain</type>
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||||
<enable>
|
||||
<condition>
|
||||
<and>
|
||||
<not>
|
||||
<property>/nasal/local_weather/enabled</property>
|
||||
<value>true</value>
|
||||
</not>
|
||||
<greater-than>
|
||||
<property>/position/altitude-ft</property>
|
||||
<value>36000</value>
|
||||
</greater-than>
|
||||
<less-than>
|
||||
<property>/position/altitude-ft</property>
|
||||
<value>85000</value>
|
||||
</less-than>
|
||||
</and>
|
||||
</condition>
|
||||
</enable>
|
||||
<input>
|
||||
<expression>
|
||||
<difference>
|
||||
<difference>
|
||||
<value>0.005</value>
|
||||
<product>
|
||||
<property>/sim/rendering/skydome-vis-factor</property>
|
||||
<value>0.002</value>
|
||||
</product>
|
||||
</difference>
|
||||
<product>
|
||||
<difference>
|
||||
<property>/position/altitude-ft</property>
|
||||
<value>36000</value>
|
||||
</difference>
|
||||
<value>0.00000004</value>
|
||||
</product>
|
||||
</difference>
|
||||
</expression>
|
||||
</input>
|
||||
<output>/sim/rendering/mie</output>
|
||||
</filter>
|
||||
|
||||
<filter>
|
||||
<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Mie:High</name>
|
||||
<type>gain</type>
|
||||
<enable>
|
||||
<condition>
|
||||
<and>
|
||||
<not>
|
||||
<property>/nasal/local_weather/enabled</property>
|
||||
<value>true</value>
|
||||
</not>
|
||||
<greater-than>
|
||||
<property>/position/altitude-ft</property>
|
||||
<value>85000</value>
|
||||
</greater-than>
|
||||
</and>
|
||||
</condition>
|
||||
</enable>
|
||||
<input>
|
||||
<expression>
|
||||
<difference>
|
||||
<value>0.003</value>
|
||||
<product>
|
||||
<property>/sim/rendering/skydome-vis-factor</property>
|
||||
<value>0.002</value>
|
||||
</product>
|
||||
</difference>
|
||||
</expression>
|
||||
</input>
|
||||
<output>/sim/rendering/mie</output>
|
||||
</filter>
|
||||
|
||||
<!-- Density -->
|
||||
|
||||
<filter>
|
||||
<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Density:Low</name>
|
||||
<type>gain</type>
|
||||
<enable>
|
||||
<condition>
|
||||
<and>
|
||||
<not>
|
||||
<property>/nasal/local_weather/enabled</property>
|
||||
<value>true</value>
|
||||
</not>
|
||||
<less-than-equals>
|
||||
<property>/position/altitude-ft</property>
|
||||
<expression>
|
||||
<sum>
|
||||
<property>/environment/clouds/layer[0]/elevation-ft</property>
|
||||
<property>/environment/clouds/layer[0]/thickness-ft</property>
|
||||
</sum>
|
||||
</expression>
|
||||
</less-than-equals>
|
||||
</and>
|
||||
</condition>
|
||||
</enable>
|
||||
<input>
|
||||
<expression>
|
||||
<sum>
|
||||
<value>0.3</value>
|
||||
<product>
|
||||
<property>/environment/air-pollution-norm</property>
|
||||
<value>0.05</value>
|
||||
</product>
|
||||
<product>
|
||||
<property>/environment/air-pollution-norm</property>
|
||||
<value>0.05</value>
|
||||
<difference>
|
||||
<value>1.0</value>
|
||||
<product>
|
||||
<div>
|
||||
<property>/position/altitude-ft</property>
|
||||
<sum>
|
||||
<property>/environment/clouds/layer[0]/elevation-ft</property>
|
||||
<property>/environment/clouds/layer[0]/thickness-ft</property>
|
||||
<value>1.0</value><!-- to avoid divide by 0 exceptions -->
|
||||
</sum>
|
||||
</div>
|
||||
<div>
|
||||
<property>/position/altitude-ft</property>
|
||||
<sum>
|
||||
<property>/environment/clouds/layer[0]/elevation-ft</property>
|
||||
<property>/environment/clouds/layer[0]/thickness-ft</property>
|
||||
<value>1.0</value><!-- to avoid divide by 0 exceptions -->
|
||||
</sum>
|
||||
</div>
|
||||
</product>
|
||||
</difference>
|
||||
</product>
|
||||
</sum>
|
||||
</expression>
|
||||
</input>
|
||||
<output>/sim/rendering/dome-density</output>
|
||||
</filter>
|
||||
|
||||
<filter>
|
||||
<name>EnvironmentInterpolator:AtmosphericShader:Skydome:Density:High</name>
|
||||
<type>gain</type>
|
||||
<enable>
|
||||
<condition>
|
||||
<and>
|
||||
<not>
|
||||
<property>/nasal/local_weather/enabled</property>
|
||||
<value>true</value>
|
||||
</not>
|
||||
<greater-than>
|
||||
<property>/position/altitude-ft</property>
|
||||
<expression>
|
||||
<sum>
|
||||
<property>/environment/clouds/layer[0]/elevation-ft</property>
|
||||
<property>/environment/clouds/layer[0]/thickness-ft</property>
|
||||
</sum>
|
||||
</expression>
|
||||
</greater-than>
|
||||
</and>
|
||||
</condition>
|
||||
</enable>
|
||||
<input>
|
||||
<expression>
|
||||
<sum>
|
||||
<value>0.3</value>
|
||||
<product>
|
||||
<property>/environment/air-pollution-norm</property>
|
||||
<value>0.05</value>
|
||||
</product>
|
||||
</sum>
|
||||
</expression>
|
||||
</input>
|
||||
<output>/sim/rendering/dome-density</output>
|
||||
</filter>
|
||||
|
||||
<!-- Mean elevation. No easy way to do this, so we'll just use the altitude of the nearest METAR station -->
|
||||
<filter>
|
||||
<name>EnvironmentInterpolator:AtmosphericShader:Skydome:MeanElevation</name>
|
||||
<type>gain</type>
|
||||
<enable>
|
||||
<condition>
|
||||
<not>
|
||||
<property>/nasal/local_weather/enabled</property>
|
||||
<value>true</value>
|
||||
</not>
|
||||
</condition>
|
||||
</enable>
|
||||
<input>
|
||||
<expression>
|
||||
<product>
|
||||
<property>/environment/metar[0]/station-elevation-ft</property>
|
||||
<value>0.3048</value>
|
||||
</product>
|
||||
</expression>
|
||||
</input>
|
||||
<output>/environment/mean-terrain-elevation-m</output>
|
||||
</filter>
|
||||
|
||||
</PropertyList>
|
||||
|
|
|
|||
Loading…
Reference in a new issue