//temporary, for use generating a shape file for each huc 8
private void button8_Click(object sender, EventArgs e)
{
filePath = "";
filePath = textBox1.Text;
if (filePath == "")
{
MessageBox.Show("Please select a file path");
return;
}
//export rectangle as shapefile
Boolean overwrite = true;
FeatureSet copy = null;
FeatureSet fs = (FeatureSet)map.Layers[map.Layers.Count - 1].DataSet;
List <IFeature> featureList = null;
//identify selected watershed and export as shapefile
foreach (IFeatureLayer item2 in map.GetFeatureLayers())
{
try {
IFeatureLayer ifea = item2 as IFeatureLayer;
if (ifea.Selection.Count > 0)
{
ifea.SelectAll();
featureList = ifea.Selection.ToFeatureList();
}
}
catch {
}
}
if (fs == null && copy == null)
{
MessageBox.Show("Please select a feature on the map or draw a region");
return;
}
for (int i = 0; i < featureList.Count; i++)
{
//save shape file
IFeature ifea = featureList[i];
IFeature ifea2 = ifea.Centroid();
IList <DotSpatial.Topology.Coordinate> centroid = ifea2.Coordinates;
System.IO.Directory.CreateDirectory(filePath + "\\" + i);
string newFilePath = filePath + "\\" + i + "\\" + "a" + centroid[0].X + "_" + centroid[0].Y + ".shp";
fs = new FeatureSet();
fs.AddFeature(ifea);
fs.SaveAs(newFilePath, overwrite);
//modify shape file
// Compose a string consisting of EPSG WKT for web mercator
string lines = "PROJCS[\"WGS 84 / Pseudo-Mercator\",\r\n GEOGCS[\"WGS 84\",\r\n DATUM[\"World Geodetic System 1984\",\r\n SPHEROID[\"WGS 84\", 6378137.0, 298.257223563, AUTHORITY[\"EPSG\",\"7030\"]],\r\n AUTHORITY[\"EPSG\",\"6326\"]],\r\n PRIMEM[\"Greenwich\", 0.0, AUTHORITY[\"EPSG\",\"8901\"]],\r\n UNIT[\"degree\", 0.017453292519943295],\r\n AXIS[\"Geodetic longitude\", EAST],\r\n AXIS[\"Geodetic latitude\", NORTH],\r\n AUTHORITY[\"EPSG\",\"4326\"]],\r\n PROJECTION[\"Popular Visualisation Pseudo Mercator\", AUTHORITY[\"EPSG\",\"1024\"]],\r\n PARAMETER[\"semi_minor\", 6378137.0],\r\n PARAMETER[\"latitude_of_origin\", 0.0],\r\n PARAMETER[\"central_meridian\", 0.0],\r\n PARAMETER[\"scale_factor\", 1.0],\r\n PARAMETER[\"false_easting\", 0.0],\r\n PARAMETER[\"false_northing\", 0.0],\r\n UNIT[\"m\", 1.0],\r\n AXIS[\"Easting\", EAST],\r\n AXIS[\"Northing\", NORTH],\r\n AUTHORITY[\"EPSG\",\"3857\"]]";
// Write the string to the .prj file
newFilePath = newFilePath.Remove(newFilePath.Length - 3) + "prj";
System.IO.StreamWriter file = new System.IO.StreamWriter(newFilePath);
file.WriteLine(lines);
file.Close();
}
this.Hide();
}