Improved land cover rendering

bnordgren · Sep 25, 2011 · 6482759 · 6482759
1 parent 724e73b
commit 6482759
Show file tree

Hide file tree

Showing 5 changed files with 311 additions and 29 deletions.
diff --git a/colors.txt b/colors.txt
@@ -1,6 +1,7 @@
-4000   245 245 245
-3000   235 220 175
-2500   190 185 135
-1700   240 250 150
-1100   50  180  50
+3000   240 240 240
+2000   235 220 175
+1500   190 185 135
+1000   240 250 150
+500    130 220 130
+0      160 190 160
 -32768 200 230 245
diff --git a/index.html b/index.html
@@ -8,11 +8,11 @@
 
 <script type="text/javascript">
 
-var tileroot = "tile/oakland"; var lat = 37.8 ; var lon = -122.2
+//var tileroot = "tile/oakland"; var lat = 37.8 ; var lon = -122.2
 //var tileroot = "tile/cadetail";var lat = 37.8 ; var lon = -122.2
-//var tileroot = "tile/yosdetail"; var lat = 37.75 ; var lon = -119.64
+var tileroot = "tile/yosdetail"; var lat = 37.75 ; var lon = -119.64
 
-var zoom = 13;
+var zoom = 12;
 
 var levels = 16; // including level 0
 
@@ -44,15 +44,15 @@
      tileroot+path,
      {numZoomLevels: levels});  
   jpeg90h.setIsBaseLayer(true);
-  jpeg90h.setVisibility(true);
+  jpeg90h.setVisibility(false);
   map.addLayer(jpeg90h);
 
   path = "/jpeg90_l/${z}/${x}/${y}.jpg";
   jpeg90l = new OpenLayers.Layer.OSM("NLCD Landcover - jpeg90",
      tileroot+path,
      {numZoomLevels: levels});  
   jpeg90l.setIsBaseLayer(true);
-  jpeg90l.setVisibility(false);
+  jpeg90l.setVisibility(true);
   map.addLayer(jpeg90l);
 
   map.addControl(new OpenLayers.Control.LayerSwitcher());

diff --git a/nlcd2006.vrt b/nlcd2006.vrt
@@ -0,0 +1,276 @@
+<VRTDataset rasterXSize="11687" rasterYSize="7328">
+  <SRS>PROJCS[&quot;Google Maps Global Mercator&quot;,GEOGCS[&quot;WGS 84&quot;,DATUM[&quot;WGS_1984&quot;,SPHEROID[&quot;WGS 84&quot;,6378137,298.2572235630016,AUTHORITY[&quot;EPSG&quot;,&quot;7030&quot;]],AUTHORITY[&quot;EPSG&quot;,&quot;6326&quot;]],PRIMEM[&quot;Greenwich&quot;,0],UNIT[&quot;degree&quot;,0.0174532925199433],AUTHORITY[&quot;EPSG&quot;,&quot;4326&quot;]],PROJECTION[&quot;Mercator_1SP&quot;],PARAMETER[&quot;central_meridian&quot;,0],PARAMETER[&quot;scale_factor&quot;,1],PARAMETER[&quot;false_easting&quot;,0],PARAMETER[&quot;false_northing&quot;,0],UNIT[&quot;metre&quot;,1,AUTHORITY[&quot;EPSG&quot;,&quot;9001&quot;]]]</SRS>
+  <GeoTransform> -1.3692000000000000e+07,  3.8075624383059910e+01,  0.0000000000000000e+00,  4.5790000000000000e+06,  0.0000000000000000e+00, -3.8075624383059910e+01</GeoTransform>
+  <Metadata>
+    <MDI key="AREA_OR_POINT">Area</MDI>
+  </Metadata>
+  <VRTRasterBand dataType="Byte" band="1">
+    <Metadata/>
+    <ColorInterp>Palette</ColorInterp>
+    <ColorTable>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="71" c2="107" c3="161" c4="255"/>
+      <Entry c1="209" c2="222" c3="250" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="205" c2="205" c3="205" c4="255"/>
+      <Entry c1="190" c2="190" c3="190" c4="255"/>
+      <Entry c1="160" c2="160" c3="160" c4="255"/>
+      <Entry c1="125" c2="125" c3="125" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="186" c2="202" c3="204" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="110" c2="204" c3="70" c4="255"/>
+      <Entry c1="71" c2="130" c3="77" c4="255"/>
+      <Entry c1="161" c2="196" c3="94" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="211" c2="191" c3="122" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="224" c2="224" c3="191" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="230" c2="227" c3="105" c4="255"/>
+      <Entry c1="212" c2="201" c3="98" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="186" c2="217" c3="235" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="112" c2="163" c3="186" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+      <Entry c1="0" c2="0" c3="0" c4="255"/>
+    </ColorTable>
+    <SimpleSource>
+      <SourceFilename relativeToVRT="1">nlcd2006.tif</SourceFilename>
+      <SourceBand>1</SourceBand>
+      <SourceProperties RasterXSize="11687" RasterYSize="7328" DataType="Byte" BlockXSize="11687" BlockYSize="1"/>
+      <SrcRect xOff="0" yOff="0" xSize="11687" ySize="7328"/>
+      <DstRect xOff="0" yOff="0" xSize="11687" ySize="7328"/>
+    </SimpleSource>
+  </VRTRasterBand>
+</VRTDataset>
diff --git a/readme.txt b/readme.txt
@@ -24,7 +24,7 @@ $ cd demtools
 $ make
 $ mkdir -p ~/bin
 $ cp bin/* ~/bin
-NOTE: You may need to make the following changes:
+NOTE: To build these, you may need to make the following changes:
 * Makefile: GDAL_LIB=-lgdal1.6.0
 * Makefile: CPP=g++ -O3 -I/usr/include/gdal
 * stringtok.h may require a "using namespace std;" since it's
@@ -47,14 +47,15 @@ to the scons configure step:
     BOOST_LIBS=$HOME/lib
 
 Download required data files:
-http://tile.openstreetmap.org/world_boundaries-spherical.tgz
-http://tile.openstreetmap.org/processed_p.tar.bz2
-http://tile.openstreetmap.org/shoreline_300.tar.bz2
-http://www.naturalearthdata.com/download/10m/cultural/10m-populated-places.zip
-http://www.naturalearthdata.com/download/110m/cultural/110m-admin-0-boundary-lines.zip
-All NHD shapefiles: http://www.openstreetmap.us/nhd/
-USGS NED data, as needed: http://openstreetmap.us/ned/13arcsec/grid/
-Planet.osm or other OSM dataset: http://planet.openstreetmap.org/
+* http://tile.openstreetmap.org/world_boundaries-spherical.tgz
+* http://tile.openstreetmap.org/processed_p.tar.bz2
+* http://tile.openstreetmap.org/shoreline_300.tar.bz2
+* http://www.naturalearthdata.com/download/10m/cultural/10m-populated-places.zip
+* http://www.naturalearthdata.com/download/110m/cultural/110m-admin-0-boundary-lines.zip
+* USGS NHD shapefiles: http://www.openstreetmap.us/nhd/
+* USGS NED data, as needed: http://openstreetmap.us/ned/13arcsec/grid/
+* NLCD 2006 (Land cover) data: http://www.mrlc.gov/nlcd06_data.php
+* Planet.osm or other OSM dataset: http://planet.openstreetmap.org/
 
 Modify set-toposm-env, specifying file paths, settings and the
 area of interest. Data imports will be limited to the specified
@@ -75,15 +76,19 @@ $ cd <hillshade dir>
 $ for f in *.tif ; do gdaladdo -r gauss $f 2 4 8 16 32 ; done
 $ (repeat for colormap, hypsorelief)
 
+Prepare landcover data:
+TODO: Translate NLCD to GeoTIFF and reproject to 900913
+TODO: Build overviews
+Copy nlcd2006.vrt to the NLCD directory, making sure it references
+the landcover GeoTIFF. The VRT file is only used to modify the
+color table.
+
 Add a shortcut for your area(s) of interest to areas.py.
 
 Generate the mapnik style files from templates:
 $ ./generate_xml
 
-Generate raster layers for color-relief tiles:
-$ ./generate_colorrelief_include > colorrelieflayers.inc
-
-Setup contour tables and generate contour lines, for example:
+Create contour tables and generate contour lines, for example:
 $ ./prep_contours_table
 $ ./toposm.py prep WhiteMountains