R x at 12:16, 12 March 2011

2011-03-12T12:16:05Z

New page

= Example BeanShell map sources =
== Mars ==
<pre>
/*
Tile script for mars maps (see http://www.uahirise.org/releases/hiwish.php for details)
May not be very useful for most users but you can at least fetch a large texture from mars...
reverse engineered with FireBug and TAC Map Evaluator 1.7 beta 8 by Henry T.

You can choose between 3 different layers (infrared, visible, elevation)

They use the google technology with some recursive quadtree naming convention for the tiles resulting in longer
filenames the more you zoom in. Therefore I use a recursive function.

top left: "q"
top right: "r"
bottom right: "s"
bottom left: "t"
Heres an example for a 2x2 map (zoom=1)
[ q r ]
[ t s ]

Heres an example for a 4x4 map (zoom=2)
[ qq qr rq rr ]
[ qt qs rt rs ]
[ tq tr sq sr ]
[ tt ts st ss ]
*/

tileType = "jpg";
int w, z0; // store the map width and zoom level
String[] Table = { "q", "r", "t", "s" };

// recursive function for character concatenation
// maybe not too fast but a bit easier to understand
String BuildTileName(int z, int x, int y)
{
if(z==0) return "";

int w1 = w>>(z0-z);
int x1 = ((x%w1)<<1)/w1;
int y1 = ((y%w1)<<1)/w1;

String s = Table[(y1<<1) + x1];
return s + BuildTileName(z-1, x, y);
}

String getTileUrl( int zoom, int x, int y )
{
baseUrl = "http://mw1.google.com/mw-planetary/mars/";

/* you choose */
MapType = "infrared";
// MapType = "visible";
// MapType = "elevation";
w = 1<<zoom;
z0 = zoom;

return baseUrl + MapType + "/t" + BuildTileName(zoom, x, y) + ".jpg";
}
</pre>

== Kompass.de Online-Karte ==

<pre>
/**
beanshell code to use the online maps form kompass-verlag
(http://www.kompass.de/online-karte.html) in "Mobile Atlas Creator"
(http://mobac.dnsalias.org/)

put it into your "mapsources"-directory...

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>

**/

static import java.lang.Math.*;

name = "Kompass Verlag";

tileType = "png";

tileSize = 256; // optional
minZoom = 6; // optional
maxZoom = 17; // optional

/**
This method is called for each tile:
input parameters for this script: "zoom", "x" and "y"
**/
String getTileUrl( int zoom, int x, int y ) {
return ("http://www.kompass.de/map/koogle.php?LAYERS=koogle&FORMAT=image%2Fpng&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&STYLES=&EXCEPTIONS=application%2Fvnd.ogc.se_inimage&SRS=EPSG:900913&BBOX=" + mercatorTileEdges(x,y,zoom) +
"&WIDTH=256&HEIGHT=256") ;
}

numTiles(z){
return abs(pow(2,z));
}

mercatorToLat(mercatorY){
return(toDegrees(atan(sinh(mercatorY))));
}

latEdges1(y,z){
n = numTiles(z);
unit = 1 / n;
relY1 = y * unit;
lat1 = mercatorToLat(PI * (1 - 2 * relY1));
return lat1;
}

latEdges2(y,z){
n = numTiles(z);
unit = 1 / n;
relY1 = y * unit;
relY2 = relY1 + unit;
lat2 = mercatorToLat(PI * (1 - 2 * relY2));
return lat2;
}

lonEdges1(x,z){
n = numTiles(z);
unit = 360 / n;
lon1 = -180 + x * unit;
return lon1;
}

lonEdges2(x,z){
n = numTiles(z);
unit = 360 / n;
lon1 = -180 + x * unit;
lon2 = lon1 + unit;
return lon2;
}

tileEdges(x,y,z){
return (latEdges2(y,z) + "," +
lonEdges1(x,z) + "," +
latEdges1(y,z) + "," +
lonEdges2(x,z));
}

lon2mercator(l){
return (l * 20037508.34 / 180);
}

lat2mercator(l){
r = toRadians(l);
lat = log((1+sin(r)) / (1-sin(r)));
return (lat * 20037508.34 / 2 / PI);
}

mercatorTileEdges(x,y,z){
return (lon2mercator(lonEdges1(x,z)) + "," +
lat2mercator(latEdges2(y,z)) + "," +
lon2mercator(lonEdges2(x,z)) + "," +
lat2mercator(latEdges1(y,z)));
}
</pre>
[[File:Beispiel.jpg]]

BeanShellMapSources - Revision history

R x at 12:16, 12 March 2011