public void TestProjMap()
{
string proj4Str = "proj +proj=stere +lon_0=0 +lat_0=-90 +lat_ts=-71 +ellps=WGS84 +datum=WGS84";
ISpatialReference srcSpatialRef = SpatialReferenceFactory.GetSpatialReferenceByPrjFile("WGS 1984.prj");
srcSpatialRef = SpatialReferenceFactory.GetSpatialReferenceByProj4String(proj4Str);
Console.WriteLine(srcSpatialRef.ToString());
}
public void CreateEmptyLdfFile()
{
Assert.That(_newFileName != null);
IGeoDataDriver driver = GeoDataDriver.GetDriverByName("LDF");
Assert.NotNull(driver);
ILdfDriver drv = driver as ILdfDriver;
Assert.NotNull(drv);
int width = 2048;
int height = 3390;
int bandCount = 10;
enumDataType dataType = enumDataType.UInt16;
enumInterleave interleave = enumInterleave.BSQ;
string version = "LDF";
//string proj4 = "+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137";
string mapInfo = "{1,1}:{110,35}:{0.01,0.01}";
bool withHdr = true;
ILdfDataProvider prd = drv.Create(_newFileName, width, height, bandCount, dataType,
"INTERLEAVE=" + interleave.ToString(),
"VERSION=" + version,
//"SPATIALREF=" + proj4,
"MAPINFO=" + mapInfo, "WITHHDR=" + withHdr.ToString()) as ILdfDataProvider;
Assert.NotNull(prd);
Assert.That(prd.Width == width && prd.Height == height);
Assert.That(prd.BandCount == bandCount);
Assert.That(prd.DataType == dataType);
ILdfHeader header = prd.Header;
Assert.NotNull(header);
HdrFile hdr = header.ToHdrFile();
PrintHdrInfo(hdr);
Ldf1Header ldfheader = header as Ldf1Header;
Assert.NotNull(ldfheader);
Assert.That(ldfheader._width == width && ldfheader._height == height);
Assert.That(ldfheader.DataType == dataType);
Assert.NotNull(prd.SpatialRef);
for (int i = 0; i < bandCount; i++)
{
IRasterBand band = prd.GetRasterBand(i + 1);
Assert.NotNull(band);
Assert.That(band.Width == width && band.Height == height);
Assert.That(band.DataType == dataType);
}
prd.Dispose();
drv.Dispose();
Assert.True(File.Exists(_newFileName));
FileInfo fInfo = new FileInfo(_newFileName);
Assert.True(width * height * bandCount * 2 + header.HeaderSize == fInfo.Length);
ISpatialReference spatialRef = prd.SpatialRef;
Assert.NotNull(spatialRef);
Console.Out.WriteLine(spatialRef.ToString());
}
private void TryApplyPrj(PrjCoordinateDefine prjCoordinateDefine)
{
prjCoordinateDefine.ShowDialog();
if (prjCoordinateDefine.DialogResult == System.Windows.Forms.DialogResult.OK)
{
if (prjCoordinateDefine.SpatialReference != null)
{
_spatialReference = prjCoordinateDefine.SpatialReference;
txtSpatialRefInfo.Text = _spatialReference.ToString();
}
}
}
private void TryApplyGeo(GeoCoordinateDefine geoCoordinateDefine)
{
geoCoordinateDefine.ShowDialog();
if (geoCoordinateDefine.DialogResult == System.Windows.Forms.DialogResult.OK)
{
if (geoCoordinateDefine.GeographicCoordSystem != null)
{
_geoCoordSystem = geoCoordinateDefine.GeographicCoordSystem;
_spatialReference = new SpatialReference(_geoCoordSystem);
txtSpatialRefInfo.Text = _spatialReference.ToString();
}
}
}
protected override void CollectValuesToEntity()
{
_entity.Name = txtName.Text;
_entity.Description = txtDecription.Text;
(_entity as SpatialFeatureDataset).Source = txtSource.Text;
(_entity as SpatialFeatureDataset).MapScale = (int)txtMapScale.Value;
ISpatialReference sref = ucSpatialRef1.SpatialReference;
if (sref != null)
{
(_entity as SpatialFeatureDataset).SpatialRef = sref.ToString();
}
}
private void lstCodes_SelectedIndexChanged(object sender, EventArgs e)
{
txtDescription.Text = String.Empty;
if (lstCodes.SelectedItem == null)
{
return;
}
string sRefID = lstCodes.SelectedItem.ToString();
ISpatialReference sRef = SpatialReference.FromID(sRefID);
if (sRef != null)
{
txtDescription.Text = sRef.Description + "\r\n" + sRef.ToString();
}
}
public void ParseProj4()
{
string proj4 = "+proj=merc +lon_0=0 +k0=1 +x_0=0 +y_0=0 +a=6378137 +b=6378137";
Console.WriteLine("INPUT:");
Console.WriteLine(proj4);
ISpatialReference spatialRef = SpatialReferenceFactory.GetSpatialReferenceByProj4String(proj4);
Console.WriteLine("ESRI WKT:");
Console.WriteLine(spatialRef.ToString());
Console.WriteLine("PROJ.4:");
Console.WriteLine(spatialRef.ToProj4String());
Console.WriteLine("OGC WKT:");
Console.WriteLine(spatialRef.ToWKTString());
Console.WriteLine("ENVI Projection Info:");
Console.WriteLine(spatialRef.ToEnviProjectionInfoString());
}
private void ShowSpatialRefInfos(TreeNode node)
{
if (node.Level == 0)
{
node.Expand();
return;
}
if ((node.Tag as SpatialReferenceFile).IsPrjFile == false)
{
node.Expand();
return;
}
btnModify.Enabled = true;
txtSpatialRefInfo.Clear();
string txtCoordinateInfo;
_spatialReference = (node.Tag as SpatialReferenceFile).SpatialReference;
txtCoordinateInfo = _spatialReference.ToString();
txtSpatialRefInfo.Text = txtCoordinateInfo;
}
