Who is suing whom in mobile world
Category Archives: Windows Phone 7
Windows Phone 7 and WMS test
I have quickly tested my new Windows Phone 7 (Samsung Omnia) device with the Czech cadastral map WMS overlay over the BingMaps and DeepEarth (also see this blog here: http://blog.sumbera.com/2010/11/10/wms-overlay-on-bing-maps-vs-deepearth-on-wp7/) . if you are familiar with www.ikatastr.cz and iPhone version of it (iKatastr) than this example is using same data sources.
In short : it was a great experience – WP7 was smoothly registered, automaticaly connected to internet even without a SIM card using USB cable and Visual Studio 2010 integration just works perfect (so far:) In comparison to many difficulties and ‘certification hell’ on iPhone this is a great relief. Now giving the fact that Nokia is going to support and develop Windows Phone 7, great user experience with WP7 and (for me and menay others) great development experience, this might change the mobile landscape significantly over the 1 or 2 years.
I will guess here that WP7 platform will exceed number of iPhone applications in less than 2 years.
Tiled WMS overlay in Windows Phone 7
This post [http://blog.sumbera.com/2010/02/25/overlay-wms-on- google-in-silverlight-bing/ ] talked about how to overlay over the Bing maps Silverlight control Google tiles and tiled WMS. It was quite easy to port this web sample into the Windows Phone 7 emulator. I took a smaple code from Training kit called “Ex1-TheBingMapControl” and extend it with the 2 classes : GoogleTile and WmsTile, with slight changes to the namespace using Microsoft.Phone.Controls.Maps (original for Silverlight was Microsoft.Maps.MapControl). Then extend MainPage.XAML with :
Extended sample code availabel for download here : http://www.sumbera.com/lab/wp7/TheBingMapControlWithWMSandGoogle.zip
Update: I found the way calculating BoundingBox from the quadkey somehow limiting (the DeepEarth weay) since it worked only till the level 18. So here is updated class fro getting correct bounding box of the tiled WMS request in the Bing Silverlight control:
public WMSTiledOverlay()
: base(@”http://mapserver-slp.mendelu.cz/cgi-bin/mapserv?map=/var/local/slp/krtinyWMS.map&REQUEST=GetMap&SERVICE=wms&VERSION=1.1.1&SRS=EPSG:4326&WIDTH={4}&HEIGHT={4}&FORMAT=image/png&BBOX={0},{1},{2},{3}&LAYERS=hm2003&Transparent=true“){
}
: base(@”http://mapserver-slp.mendelu.cz/cgi-bin/mapserv?map=/var/local/slp/krtinyWMS.map&REQUEST=GetMap&SERVICE=wms&VERSION=1.1.1&SRS=EPSG:4326&WIDTH={4}&HEIGHT={4}&FORMAT=image/png&BBOX={0},{1},{2},{3}&LAYERS=hm2003&Transparent=true“){
}
public static double TileToWorldPosX(double tile_x, int zoom) {
return (float)((tile_x / Math.Pow(2.0, zoom) * 360.0) – 180.0);
}
public static double TileToWorldPosY( double tile_y, int zoom) {
double n = Math.PI – ((2.0 * Math.PI * tile_y) / Math.Pow(2.0, zoom));
return (float)(180.0 / Math.PI * Math.Atan(Math.Sinh(n)));
}
public override Uri GetUri(int tilePositionX, int tilePositionY, int tileLevel) {
return (float)((tile_x / Math.Pow(2.0, zoom) * 360.0) – 180.0);
}
public static double TileToWorldPosY( double tile_y, int zoom) {
double n = Math.PI – ((2.0 * Math.PI * tile_y) / Math.Pow(2.0, zoom));
return (float)(180.0 / Math.PI * Math.Atan(Math.Sinh(n)));
}
public override Uri GetUri(int tilePositionX, int tilePositionY, int tileLevel) {
int zoom = tileLevel; //SSU tileLevel would be same as zoom in Bing control
double deltaX = 0;// 0.00135; //SSU deltaX for SLP WMS
double deltaY = 0;// 0.00058; //SSU deltaY for SLP WMS
double minXLon = TileToWorldPosX(tilePositionX, zoom) + deltaX;
double minYLat = TileToWorldPosY(tilePositionY + 1, zoom) + deltaY;
double maxXLon = TileToWorldPosX(tilePositionX + 1, zoom) + deltaX;
double maxYLat = TileToWorldPosY(tilePositionY, zoom) + deltaY;
string wmsUrl = string.Format(this.UriFormat, minXLon, minYLat, maxXLon, maxYLat, 256);
return new Uri(wmsUrl);
}
}
double deltaX = 0;// 0.00135; //SSU deltaX for SLP WMS
double deltaY = 0;// 0.00058; //SSU deltaY for SLP WMS
double minXLon = TileToWorldPosX(tilePositionX, zoom) + deltaX;
double minYLat = TileToWorldPosY(tilePositionY + 1, zoom) + deltaY;
double maxXLon = TileToWorldPosX(tilePositionX + 1, zoom) + deltaX;
double maxYLat = TileToWorldPosY(tilePositionY, zoom) + deltaY;
string wmsUrl = string.Format(this.UriFormat, minXLon, minYLat, maxXLon, maxYLat, 256);
return new Uri(wmsUrl);
}
}
