private static IField createRasterField(string string_0, bool bool_0, ISpatialReference ispatialReference_0)
{
IFieldEdit2 edit = new Field() as IFieldEdit2;
IRasterDef def = new RasterDef
{
Description = "this is a raster catalog",
IsManaged = bool_0
};
if (string_0.Length == 0)
{
string_0 = "RASTER";
}
edit.Name_2 = string_0;
edit.Type_2 = esriFieldType.esriFieldTypeRaster;
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
(ispatialReference_0 as ISpatialReferenceResolution).get_XYResolution(true);
(ispatialReference_0 as ISpatialReferenceResolution).set_XYResolution(true, 0.001);
(ispatialReference_0 as ISpatialReferenceResolution).SetDefaultXYResolution();
def.SpatialReference = ispatialReference_0;
edit.RasterDef = def;
return(edit);
}
public ISpatialReference CreateSpatialReferenceFromDefinitionStr(string str)
{
ISpatialReference spatialRef = new UnknownCoordinateSystem() as ISpatialReference;
try
{
string tempFile = System.IO.Path.GetTempFileName();
string prjFile = System.IO.Path.ChangeExtension(tempFile, ".prj");
File.Move(tempFile, prjFile); //修改文件扩展名
using (FileStream fs = new FileStream(prjFile, FileMode.Open))
{
StreamWriter sw = new StreamWriter(fs, Encoding.Unicode);
sw.WriteLine(str);
sw.Flush();
sw.Close();
spatialRef = new SpatialReferenceEnvironment().CreateESRISpatialReferenceFromPRJFile(prjFile);
File.Delete(prjFile);
}
}
catch (Exception ex)
{
ErrorMessage = ex.Message;
}
return(spatialRef);
}
public static IGeometryDef CreateGeometryDef(ISpatialReference ispatialReference_0)
{
IGeometryDefEdit geometryDefEdit = new GeometryDef() as IGeometryDefEdit;
geometryDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
geometryDefEdit.AvgNumPoints_2 = 4;
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
geometryDefEdit.SpatialReference_2 = ispatialReference_0;
return(geometryDefEdit);
}
public static IRasterDef CreateRasterDef(bool bool_0, ISpatialReference ispatialReference_0)
{
IRasterDef def = new RasterDef
{
Description = "Raster Dataset"
};
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
def.SpatialReference = ispatialReference_0;
return(def);
}
private IRasterDef method_0(bool bool_0, ISpatialReference ispatialReference_0)
{
IRasterDef rasterDefClass = new RasterDef()
{
Description = "Raster Dataset"
};
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
rasterDefClass.SpatialReference = ispatialReference_0;
return(rasterDefClass);
}
public static ISpatialReference ConstructCoordinateSystem(IGeodatabaseRelease igeodatabaseRelease_0)
{
bool geoDatasetPrecision = GeodatabaseTools.GetGeoDatasetPrecision(igeodatabaseRelease_0);
ISpatialReference spatialReference = new UnknownCoordinateSystem() as ISpatialReference;
IControlPrecision2 controlPrecision = spatialReference as IControlPrecision2;
controlPrecision.IsHighPrecision = geoDatasetPrecision;
ISpatialReferenceResolution spatialReferenceResolution = spatialReference as ISpatialReferenceResolution;
spatialReferenceResolution.ConstructFromHorizon();
spatialReferenceResolution.SetDefaultXYResolution();
ISpatialReferenceTolerance spatialReferenceTolerance = spatialReference as ISpatialReferenceTolerance;
spatialReferenceTolerance.SetDefaultXYTolerance();
return(spatialReference);
}
private static IGeometryDef createGeometryDef(ISpatialReference ispatialReference_0)
{
IGeometryDefEdit edit = new GeometryDef() as IGeometryDefEdit;
edit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
edit.AvgNumPoints_2 = 4;
edit.GridCount_2 = 1;
edit.set_GridSize(0, 1000.0);
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
(ispatialReference_0 as ISpatialReferenceResolution).set_XYResolution(true, 0.001);
(ispatialReference_0 as ISpatialReferenceResolution).SetDefaultXYResolution();
edit.SpatialReference_2 = ispatialReference_0;
return(edit);
}
public static IRasterDataset createFileRasterDataset(IRasterWorkspace2 irasterWorkspace2_0, string string_0,
int int_0, rstPixelType rstPixelType_0, ISpatialReference ispatialReference_0)
{
try
{
IRasterDataset dataset = null;
IPoint origin = new Point();
origin.PutCoords(0.0, 0.0);
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
dataset = irasterWorkspace2_0.CreateRasterDataset(string_0, "IMAGINE Image", origin, 200, 100, 1.0, 1.0,
int_0, rstPixelType_0, ispatialReference_0, true);
IRawPixels pixels = null;
IPixelBlock3 block = null;
IPnt tlc = null;
IPnt size = null;
IRasterBandCollection bands = (IRasterBandCollection)dataset;
pixels = (IRawPixels)bands.Item(0);
IRasterProps props = (IRasterProps)pixels;
tlc = new DblPnt();
tlc.SetCoords(0.0, 0.0);
size = new DblPnt();
size.SetCoords((double)props.Width, (double)props.Height);
block = (IPixelBlock3)pixels.CreatePixelBlock(size);
pixels.Read(tlc, (IPixelBlock)block);
object[,] objArray = (object[, ])block.get_PixelDataByRef(0);
for (int i = 0; i < props.Width; i++)
{
for (int j = 0; j < props.Height; j++)
{
objArray[i, j] = (i * j) % 255;
}
}
object cache = pixels.AcquireCache();
pixels.Write(tlc, (IPixelBlock)block);
pixels.ReturnCache(cache);
return(dataset);
}
catch (Exception exception)
{
Debug.WriteLine(exception.Message);
return(null);
}
}
private IGeometryDef method_2(ISpatialReference ispatialReference_0)
{
IGeometryDefEdit @class = new GeometryDef() as IGeometryDefEdit;
@class.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
@class.AvgNumPoints_2 = 4;
@class.GridCount_2 = 1;
IGeometryDefEdit geometryDefClass = @class as IGeometryDefEdit;
geometryDefClass.GridSize_2[0] = 1000;
if (ispatialReference_0 == null)
{
ispatialReference_0 = new UnknownCoordinateSystem() as ISpatialReference;
}
geometryDefClass.SpatialReference_2 = ispatialReference_0;
return(geometryDefClass);
}
////private static int _defaultWkid = int.Parse(ConfigurationManager.AppSettings["DefaultSpatialReference"]);
////private static int _sqlSR = int.Parse(ConfigurationManager.AppSettings["SqlSpatialReferenceWkid"]);
/////// <summary>
/////// The default spatial reference id (probably WGS_84 - id: 4326)
/////// </summary>
////public static int DefaultSpatialReferenceId { get { return _defaultWkid; } }
/////// <summary>
/////// The default spatial reference system
/////// </summary>
////public static SpatialReference DefaultSpatialReference { get { return DefaultSpatialReferenceId.ToSpatialReference(); } }
/////// <summary>
/////// The spatial reference that will be used when writing geometry data to a SQL Server database.
/////// </summary>
////public static int SqlSpatialReference { get { return _sqlSR; } }
////public static int[] ProjectedWkids { get { return _projectedWkids; } }
////public static int[] GeographicWkids { get { return _geographicWkids; } }
/// <summary>
/// Returns a <see cref="SpatialReference"/> object corresponding to the specified WKID.
/// </summary>
/// <param name="wkid">A Well-Known Identifier (WKID) for a spatial reference system.</param>
/// <returns>
/// <para>Returns a <see cref="SpatialReference"/> object corresponding to <paramref name="wkid"/>.</para>
/// <para>
/// If <paramref name="wkid"/> matches one of the values defined in web.config,
/// either a <see cref="GeographicCoordinateSystem"/> or <see cref="ProjectedCoordinateSystem"/>
/// is returned. Otherwise a <see cref="UnknownCoordinateSystem"/> is returned.
/// </para>
/// </returns>
public static SpatialReference ToSpatialReference(this int wkid)
{
SpatialReference sr;
if (_projectedWkids.Contains(wkid))
{
sr = new ProjectedCoordinateSystem();
}
else if (_geographicWkids.Contains(wkid))
{
sr = new GeographicCoordinateSystem();
}
else
{
sr = new UnknownCoordinateSystem();
}
sr.WKID = wkid;
sr.WKIDSpecified = true;
return sr;
}
