fgdata/Materials/regions/us_southwest.xml

<?xml version="1.0"?>
<!-- REGIONAL DEFINITION US SOUTHWEST -->
<PropertyList>
  <name>US South-west</name>
  <area>
    <lon1>-124.0</lon1>
    <lat1>32.0</lat1>
    <lon2>-104.0</lon2>
    <lat2>42</lat2>
  </area>

  <condition>
   <equals>
    <property>sim/startup/season</property>
    <value>summer</value>
   </equals>
  </condition>

  <material>
    <name>pa_shoulder</name>
    <texture>Runway/pa_shoulder2.png</texture>
    <parameters>
      <uvstretch>8.0</uvstretch>
    </parameters>
  </material>

  <material>
    <name>pa_shoulder_f</name>
    <texture>Runway/pa_shoulder_f2.png</texture>
    <parameters>
      <uvstretch>8.0</uvstretch>
    </parameters>
  </material>

  <material>
    <name>Grass</name>
    <name>Airport</name>
    <name>AirportKeep</name>
    <effect>Effects/airfield</effect>
    <texture-set>
      <texture>Terrain/california-airport.png</texture>
      <texture n="13">Terrain/gravel_red.png</texture>
      <texture n="14">Terrain/grass_dry2.png</texture>
    </texture-set>
    <parameters>
      <grit_alpha>0.4</grit_alpha>
      <use_overlay>1</use_overlay>
      <overlay_bias>-0.1</overlay_bias>
    </parameters>
    <xsize>250</xsize>
    <ysize>250</ysize>
    <light-coverage>4000000.0</light-coverage>
    <diffuse>
      <r>0.93</r>
      <g>0.95</g>
      <b>0.93</b>
      <a>1.0</a>
    </diffuse>
    <specular>
      <r>0.1</r>
      <g>0.12</g>
      <b>0.1</b>
      <a>1.0</a>
    </specular>
    <shininess>1.2</shininess>
    <solid>1</solid>
    <friction-factor>0.7</friction-factor>
    <rolling-friction>0.1</rolling-friction>
    <bumpiness>0.1</bumpiness>
    <load-resistance>1e30</load-resistance>
  </material>

  <material>
    <effect>Effects/landmass-scrub</effect>
    <name>ShrubCover</name>
    <name>ShrubGrassCover</name>
    <name>ScrubCover</name>
    <name>Scrub</name>
    <name>Sclerophyllous</name>
	<name>Landmass</name>
	<name>SomeSort</name>
	<name>Default</name>
	<name>GrassCover</name>
    <name>BareTundraCover</name>
    <name>MixedTundraCover</name>
    <name>Cemetery</name>
    <texture-set>
      <texture>Terrain/shrub-hawaii.png</texture>
      <texture n="11">Terrain/sand_hires_red.png</texture>
      <texture n="12">Terrain/rock_red.png</texture>
	  <texture n="13">Terrain/rock_red.png</texture>
      <texture n="14">Terrain/grain_texture.png</texture>
      <!--<texture n="15">Terrain/airport_grass2.png</texture>-->
	  <texture n="15">Terrain/grass_hires.png</texture>
    </texture-set>
	<parameters>
	  <rock_strata>1</rock_strata>
	</parameters>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <diffuse>
      <r>0.86</r>
      <g>0.86</g>
      <b>0.86</b>
      <a>1.0</a>
    </diffuse>
    <specular>
      <r>0.1</r>
      <g>0.1</g>
      <b>0.1</b>
      <a>1.0</a>
    </specular>
    <shininess>1.2</shininess>
    <light-coverage>20000000.0</light-coverage>
    <wood-coverage>12000.0</wood-coverage>
    <tree-texture>Trees/mixed-shrub.png</tree-texture>
    <tree-varieties>8</tree-varieties>
    <tree-range-m alias="/params/forest/tree-range-m"/>
    <tree-height-m>2.0</tree-height-m>
    <tree-width-m>2.0</tree-width-m>
    <rolling-friction>0.6</rolling-friction>
    <bumpiness>0.4</bumpiness>
  </material>

  <material>
    <effect>Effects/cropgrass</effect>
    <name>Grassland</name>
	<texture-set>
     <texture>Terrain/dry_pasture4.png</texture>
	 <texture n="13">Terrain/rock_red.png</texture>
	 <texture n="12">Terrain/rock_red.png</texture>
	</texture-set>
	<parameters>
	  <rock_strata>1</rock_strata>
	</parameters>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <light-coverage>2000000.0</light-coverage>
    <diffuse>
      <r>0.93</r>
      <g>0.95</g>
      <b>0.93</b>
      <a>1.0</a>
    </diffuse>
    <specular>
      <r>0.1</r>
      <g>0.12</g>
      <b>0.1</b>
      <a>1.0</a>
    </specular>
    <shininess>1.2</shininess>
    <solid>1</solid>
    <friction-factor>0.7</friction-factor>
    <rolling-friction>0.1</rolling-friction>
    <bumpiness>0.3</bumpiness>
    <load-resistance>1e30</load-resistance>
    <wood-coverage>150000.0</wood-coverage>
    <tree-texture>Trees/mixed-alt.png</tree-texture>
    <tree-varieties>8</tree-varieties>
    <tree-range-m alias="/params/forest/tree-range-m"/>
    <tree-height-m>20.0</tree-height-m>
    <tree-width-m>12.0</tree-width-m>
  </material>

  <material>
    <effect>Effects/forest</effect>
    <name>DeciduousBroadCover</name>
    <name>DeciduousForest</name>
    <name>Bog</name>
    <name>Heath</name>
	<texture-set>
     <texture>Terrain/deciduous-hires-autumn.png</texture>
	 <texture n="12">Terrain/rock_alt.png</texture>
	</texture-set>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <light-coverage>10000000.0</light-coverage>
    <wood-coverage>4000.0</wood-coverage>
    <tree-texture>Trees/deciduous-alt.png</tree-texture>
    <tree-varieties>8</tree-varieties>
    <tree-range-m alias="/params/forest/tree-range-m"/>
    <tree-height-m>25.0</tree-height-m>
    <tree-width-m>15.0</tree-width-m>
    <rolling-friction>1</rolling-friction>
    <bumpiness>0.85</bumpiness>
  </material>

  <material>
    <name>EvergreenBroadCover</name>
    <name>EvergreenForest</name>
    <effect>Effects/forest</effect>
	<texture-set>
    <texture>Terrain/forest1a.png</texture>
	<texture n="11">Terrain/grass_hires.png</texture>
	<texture n="12">Terrain/rock_alt.png</texture>
	</texture-set>
	<parameters>
	  <rock_strata>0</rock_strata>
	</parameters>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <light-coverage>10000000.0</light-coverage>
    <wood-coverage>4000.0</wood-coverage>
    <tree-texture>Trees/coniferous-alt.png</tree-texture>
    <tree-varieties>8</tree-varieties>
    <tree-range-m alias="/params/forest/tree-range-m"/>
    <tree-height-m>25.0</tree-height-m>
    <tree-width-m>18.0</tree-width-m>
    <rolling-friction>1</rolling-friction>
    <bumpiness>1</bumpiness>
  </material>

  <material>
    <effect>Effects/crop</effect>
    <name>IrrCropPastureCover</name>
    <name>IrrCrop</name>
    <name>Orchard</name>
    <name>Olives</name>
    <name>Vineyard</name>
    <name>Rice</name>
	<texture-set>
		<texture>Terrain/irrcrop1.png</texture>
		<texture n="13">Terrain/rock_red.png</texture>
	</texture-set>
    <object-mask>Terrain/irrcrop1.mask.png</object-mask>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <light-coverage>2000000.0</light-coverage>
    <solid>1</solid>
    <friction-factor>0.9</friction-factor>
    <rolling-friction>0.3</rolling-friction>
    <bumpiness>0.6</bumpiness>
    <load-resistance>1e30</load-resistance>
    <object-group include="Materials/base/farm-buildings.xml"/>
    <wood-coverage>10000.0</wood-coverage>
    <tree-texture>Trees/mixed-alt.png</tree-texture>
    <tree-varieties>8</tree-varieties>
    <tree-range-m alias="/params/forest/tree-range-m"/>
    <tree-height-m>20.0</tree-height-m>
    <tree-width-m>12.0</tree-width-m>
  </material>

  <material>
    <effect>Effects/forest</effect>
    <name>MixedForestCover</name>
    <name>MixedForest</name>
    <name>RainForest</name>
	<texture-set>
     <texture>Terrain/mixedforest-hires-autumn.png</texture>
	 <texture n="11">Terrain/grass_hires.png</texture>
	 <texture n="12">Terrain/rock_alt.png</texture>
	</texture-set>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <light-coverage>5000000.0</light-coverage>
    <wood-coverage>4000.0</wood-coverage>
    <tree-texture>Trees/mixed-alt.png</tree-texture>
    <tree-varieties>8</tree-varieties>
    <tree-range-m alias="/params/forest/tree-range-m"/>
    <tree-height-m>25.0</tree-height-m>
    <tree-width-m>15.0</tree-width-m>
    <rolling-friction>1</rolling-friction>
    <bumpiness>0.95</bumpiness>
  </material>


</PropertyList>