ClemensFischer/XAML-Map-Control
1
0
Fork 0
mirror of https://github.com/ClemensFischer/XAML-Map-Control.git synced 2026-04-08 16:05:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add map projections

Browse source 
Add TransverseMercatorProjection, PolarStereographicProjection and derived UTM/UPS projections to the base library.
This commit is contained in:
ClemensFischer 2022-12-13 18:22:18 +01:00
parent 568f55feb0
commit e45180b26a
18 changed files with 647 additions and 332 deletions
Download patch file Download diff file Expand all files Collapse all files

64
MapControl/Shared/MapProjectionFactory.cs
View file

@ -6,22 +6,64 @@ namespace MapControl
{
public class MapProjectionFactory
{
public virtual MapProjection GetProjection(int epsgCode)
{
MapProjection projection = null;
switch (epsgCode)
{
case WorldMercatorProjection.DefaultEpsgCode:
projection = new WorldMercatorProjection();
break;
case WebMercatorProjection.DefaultEpsgCode:
projection = new WebMercatorProjection();
break;
case EquirectangularProjection.DefaultEpsgCode:
projection = new EquirectangularProjection();
break;
case UpsNorthProjection.DefaultEpsgCode:
projection = new UpsNorthProjection();
break;
case UpsSouthProjection.DefaultEpsgCode:
projection = new UpsSouthProjection();
break;
case var c when c >= Etrs89UtmProjection.FirstZoneEpsgCode && c <= Etrs89UtmProjection.LastZoneEpsgCode:
projection = new Etrs89UtmProjection(epsgCode % 100);
break;
case var c when c >= Wgs84UtmProjection.FirstZoneNorthEpsgCode && c <= Wgs84UtmProjection.LastZoneNorthEpsgCode:
projection = new Wgs84UtmProjection(epsgCode % 100, true);
break;
case var c when c >= Wgs84UtmProjection.FirstZoneSouthEpsgCode && c <= Wgs84UtmProjection.LastZoneSouthEpsgCode:
projection = new Wgs84UtmProjection(epsgCode % 100, false);
break;
default:
break;
}
return projection;
}
public virtual MapProjection GetProjection(string crsId)
{
if (crsId.StartsWith("EPSG:") && int.TryParse(crsId.Substring(5), out int epsgCode))
{
return GetProjection(epsgCode);
}
MapProjection projection = null;
switch (crsId)
{
case WorldMercatorProjection.DefaultCrsId:
projection = new WorldMercatorProjection();
break;
case WebMercatorProjection.DefaultCrsId:
projection = new WebMercatorProjection();
break;
case EquirectangularProjection.DefaultCrsId:
projection = new EquirectangularProjection();
case Wgs84AutoUtmProjection.DefaultCrsId:
projection = new Wgs84AutoUtmProjection();
break;
case OrthographicProjection.DefaultCrsId:
@ -40,7 +82,7 @@ namespace MapControl
projection = new StereographicProjection();
break;
case "EPSG:97003": // proprietary CRS ID
case "AUTO2:97003": // proprietary CRS ID
projection = new AzimuthalEquidistantProjection(crsId);
break;