fgdata/Materials/regions/south_africa.xml

<?xml version="1.0"?>
<!-- Regional definitions for South Africa -->
<PropertyList>
  <name>South Africa</name>
  <area>
    <lon1>9.0</lon1>
    <lon2>36.0</lon2>
    <lat1>-37.0</lat1>
    <lat2>-21.0</lat2>
  </area>

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

 <material>
  <name>MixedCropPastureCover</name>
  <name>MixedCrop</name>
  <name>ComplexCrop</name>
 <texture-set>
    <texture>Terrain/cropgrass-madagascar.png</texture>
    <texture n="12">Terrain/tundra-hawaii-green.png</texture>
  </texture-set>
  <parameters>
   <transition_model>0.5</transition_model>
   <rock_strata>1</rock_strata>
  </parameters>
  <xsize>2000</xsize>
  <ysize>2000</ysize>
  <light-coverage>2000000.0</light-coverage>
  <solid>1</solid>
  <friction-factor>0.9</friction-factor>
  <rolling-friction>0.1</rolling-friction>
  <bumpiness>0.7</bumpiness>
  <load-resistance>1e30</load-resistance>
</material>



 <material>
  <name>DeciduousBroadCover</name>
  <name>DeciduousForest</name>
  <name>Bog</name>
  <name>Heath</name>
  <texture-set>
   <texture>Terrain/rainforest-hawaii.png</texture>
   <texture n="12">Terrain/tundra-hawaii-green.png</texture>
  </texture-set>
  <parameters>
   <transition_model>0.5</transition_model>
   <rock_strata>1</rock_strata>
  </parameters>
  <xsize>2000</xsize>
  <ysize>2000</ysize>
  <light-coverage>10000000.0</light-coverage>
  <wood-coverage>4000.0</wood-coverage>
  <tree-texture>Trees/tropical.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="12">Terrain/tundra-hawaii-green.png</texture>
    </texture-set>
    <parameters>
     <transition_model>0.5</transition_model>
     <rock_strata>1</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>
    <name>DryCropPastureCover</name>
    <name>DryCrop</name>
    <texture-set>
     <texture>Terrain/dry_pasture4.png</texture>
     <texture n="12">Terrain/dirtrock.png</texture>
     <texture n="15">Terrain/tundra-hawaii-green.png</texture>
    </texture-set>
    <parameters>
      <dot_size>10.0</dot_size>
      <rock_strata>1</rock_strata>
    </parameters>
    <object-mask>Terrain/drycrop1.mask.png</object-mask>
    <object-mask>Terrain/drycrop2.mask.png</object-mask>
    <object-mask>Terrain/drycrop3.mask.png</object-mask>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <solid>1</solid>
    <friction-factor>0.9</friction-factor>
    <rolling-friction>0.1</rolling-friction>
    <bumpiness>0.6</bumpiness>
    <load-resistance>1e30</load-resistance>
    <light-coverage>2000000.0</light-coverage>
    <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>
    <name>DryCropPastureCover</name>
    <name>DryCrop</name>
	<texture-set>
     <texture>Terrain/dry_pasture4.png</texture>
	 <texture n="12">Terrain/dirtrock.png</texture>
	 <texture n="15">Terrain/tundra-hawaii-green.png</texture>
	</texture-set>
	<parameters>
      <dot_size>10.0</dot_size>
	  <rock_strata>1</rock_strata>
    </parameters>
    <object-mask>Terrain/drycrop1.mask.png</object-mask>
    <object-mask>Terrain/drycrop2.mask.png</object-mask>
    <object-mask>Terrain/drycrop3.mask.png</object-mask>
    <xsize>2000</xsize>
    <ysize>2000</ysize>
    <solid>1</solid>
    <friction-factor>0.9</friction-factor>
    <rolling-friction>0.1</rolling-friction>
    <bumpiness>0.6</bumpiness>
    <load-resistance>1e30</load-resistance>
    <light-coverage>2000000.0</light-coverage>
    <object-group include="Materials/base/farm-buildings.xml"/>
    <wood-coverage>10000.0</wood-coverage>
    <tree-texture>Trees/mixed.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/cropgrass</effect>
    <name>Grassland</name>
    <texture-set>
     <texture>Terrain/dry_pasture4.png</texture>
     <texture n="12">Terrain/tundra-hawaii-green.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.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>

</PropertyList>