/// <summary>
/// 创建栅格字段
/// </summary>
/// <param name="pRasterFielsName">栅格字段名</param>
/// <param name="pSpatialRes">栅格空间参考</param>
/// <param name="eError"></param>
/// <returns>返回字段</returns>
private IField2 CreateRasterField(string pRasterFielsName, ISpatialReference pSpatialRes, bool isManaged)
{
IField2 pField = new FieldClass();
IFieldEdit2 pFieldEdit = pField as IFieldEdit2;
pFieldEdit.Name_2 = pRasterFielsName;
pFieldEdit.AliasName_2 = pRasterFielsName;
pFieldEdit.Type_2 = esriFieldType.esriFieldTypeRaster;
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.Description = "this is Raster catalog";
if (pSpatialRes == null)
{
//如果空间参考为空，则设置为UnknownCoordinateSystemClass
pSpatialRes = new UnknownCoordinateSystemClass();
}
//only for PGDB
pRasterDef.IsManaged = isManaged;
pRasterDef.SpatialReference = pSpatialRes;
pFieldEdit.RasterDef = pRasterDef;
pField = pFieldEdit as IField2;
return(pField);
}
public bool CopyRaster(IRasterWorkspace2 pRW, string pFileName, IRasterWorkspaceEx pWorkSpace, string pDestName)
{
try
{
IRasterDataset pRds = pRW.OpenRasterDataset(pFileName);
IRasterProps pRasterProps = (IRasterProps)pRds.CreateDefaultRaster();
IRasterStorageDef pRasterStorageDef = new RasterStorageDefClass();
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.SpatialReference = pRasterProps.SpatialReference;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = pGeoDef as IGeometryDefEdit;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.AvgNumPoints_2 = 4;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.set_GridSize(0, 1000);
pGeoDefEdit.SpatialReference_2 = pRasterProps.SpatialReference;
IRasterDataset pRasterDataset = pWorkSpace.SaveAsRasterDataset(pDestName, pRds.CreateDefaultRaster(), pRasterStorageDef, "", pRasterDef, pGeoDef);
return true;
}
catch (System.Exception ex)
{
return false;
}
}
public bool CreateRaster(IRasterDataset pRDs, IRasterWorkspaceEx pWorkSpace)
{
IRasterProps pRasterProps = (IRasterProps)pRDs.CreateDefaultRaster();
IRasterStorageDef pRasterStorageDef = new RasterStorageDefClass();
pRasterStorageDef.CompressionType = esriRasterCompressionType.esriRasterCompressionJPEG2000;
pRasterStorageDef.CompressionQuality = 50;
pRasterStorageDef.PyramidLevel = 2;
pRasterStorageDef.PyramidResampleType = rstResamplingTypes.RSP_BilinearInterpolation;
pRasterStorageDef.TileHeight = 128;
pRasterStorageDef.TileWidth = 128;
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.Description = "RasterDataset";
pRasterDef.SpatialReference = pRasterProps.SpatialReference;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = pGeoDef as IGeometryDefEdit;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.AvgNumPoints_2 = 4;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.set_GridSize(0, 1000);
pGeoDefEdit.SpatialReference_2 = pRasterProps.SpatialReference;
IRasterDataset pRasterDataset = pWorkSpace.CreateRasterDataset("zzy", 3, rstPixelType.PT_UCHAR, pRasterStorageDef, "", pRasterDef, pGeoDef);
pRasterDataset = pRDs;
return(true);
}
public bool CopyRaster(IRasterWorkspace2 pRW, string pFileName, IRasterWorkspaceEx pWorkSpace, string pDestName)
{
try
{
IRasterDataset pRds = pRW.OpenRasterDataset(pFileName);
IRasterProps pRasterProps = (IRasterProps)pRds.CreateDefaultRaster();
IRasterStorageDef pRasterStorageDef = new RasterStorageDefClass();
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.SpatialReference = pRasterProps.SpatialReference;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = pGeoDef as IGeometryDefEdit;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.AvgNumPoints_2 = 4;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.set_GridSize(0, 1000);
pGeoDefEdit.SpatialReference_2 = pRasterProps.SpatialReference;
IRasterDataset pRasterDataset = pWorkSpace.SaveAsRasterDataset(pDestName, pRds.CreateDefaultRaster(), pRasterStorageDef, "", pRasterDef, pGeoDef);
return(true);
}
catch (System.Exception ex)
{
return(false);
}
}
/// <summary>
/// 设置空间参考定义
/// </summary>
/// <param name="pSR"></param>
/// <returns></returns>
private IRasterDef CreateRasterDef(ISpatialReference pSR)
{
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.Description = "rasterDataset";
if (pSR == null)
{
pSR = new UnknownCoordinateSystemClass();
}
pRasterDef.SpatialReference = pSR;
return(pRasterDef);
}
//������ţ�RasterCreate-05
//������: createRasterDef
//�������ܣ�����raster����
//������
public IRasterDef createRasterDef(bool isManaged, ISpatialReference spatialReference)
{
// Create rasterdef
IRasterDef rasterDef = new RasterDefClass();
rasterDef.Description = "Raster Dataset";
if (spatialReference == null)
spatialReference = new UnknownCoordinateSystemClass();
rasterDef.SpatialReference = spatialReference;
rasterDef.IsManaged = isManaged;
return rasterDef;
}
public static IField CreateRasterField(string pName, string pAliasName, ISpatialReference pSR)
{
FieldClass class2 = new FieldClass();
IFieldEdit edit = class2;
edit.Name_2 = pName;
edit.AliasName_2 = pAliasName;
edit.Type_2 = esriFieldType.esriFieldTypeRaster;
IRasterDef def = new RasterDefClass();
def.IsRasterDataset = false;
def.SpatialReference = pSR;
(edit as IFieldEdit2).RasterDef = def;
return(class2);
}
//函数编号：RasterCreate-05
//函数名: createRasterDef
//函数功能：设置raster定义
//参数：
public IRasterDef createRasterDef(bool isManaged, ISpatialReference spatialReference)
{
// Create rasterdef
IRasterDef rasterDef = new RasterDefClass();
rasterDef.Description = "Raster Dataset";
if (spatialReference == null)
{
spatialReference = new UnknownCoordinateSystemClass();
}
rasterDef.SpatialReference = spatialReference;
rasterDef.IsManaged = isManaged;
return(rasterDef);
}
private IRasterDataset CreateRasterDataset(ref IRasterDataset pRasterDataset, string name, ref IWorkspace pWorkspace, ISpatialReference pSpatialReference)
{
IRasterWorkspaceEx pRasterWorkspaceEx = (IRasterWorkspaceEx)pWorkspace;
IRasterDataset newRasterDataset = null;
IRaster pRaster = pRasterDataset.CreateDefaultRaster();
IRasterBandCollection pRasterBandCollection = (IRasterBandCollection)pRaster;
int numbands = pRasterBandCollection.Count;
IRasterProps pRasterProps = (IRasterProps)pRaster;
rstPixelType pPixelType = pRasterProps.PixelType;
IRasterStorageDef pRasterStorageDef = null;
if (pRasterStorageDef == null)
{
pRasterStorageDef = new RasterStorageDefClass();
pRasterStorageDef.CompressionType = esriRasterCompressionType.esriRasterCompressionLZ77;
pRasterStorageDef.PyramidLevel = 2;
pRasterStorageDef.PyramidResampleType = rstResamplingTypes.RSP_BilinearInterpolation;
pRasterStorageDef.TileHeight = 128;
pRasterStorageDef.TileWidth = 128;
}
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.SpatialReference = pSpatialReference;
pRasterDef.IsRasterDataset = true;
pRasterDef.Description = "rasterdataset";
try
{
newRasterDataset = pRasterWorkspaceEx.CreateRasterDataset(name, numbands, pPixelType, pRasterStorageDef, "", pRasterDef, this.createGeometryDef(pSpatialReference));
return(newRasterDataset);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return(null);
}
}
public bool CreateRaster(IRasterDataset pRDs, IRasterWorkspaceEx pWorkSpace)
{
IRasterProps pRasterProps = (IRasterProps)pRDs.CreateDefaultRaster();
IRasterStorageDef pRasterStorageDef = new RasterStorageDefClass();
pRasterStorageDef.CompressionType = esriRasterCompressionType.esriRasterCompressionJPEG2000;
pRasterStorageDef.CompressionQuality = 50;
pRasterStorageDef.PyramidLevel = 2;
pRasterStorageDef.PyramidResampleType = rstResamplingTypes.RSP_BilinearInterpolation;
pRasterStorageDef.TileHeight = 128;
pRasterStorageDef.TileWidth = 128;
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.Description = "RasterDataset";
pRasterDef.SpatialReference = pRasterProps.SpatialReference;
IGeometryDef pGeoDef = new GeometryDefClass();
IGeometryDefEdit pGeoDefEdit = pGeoDef as IGeometryDefEdit;
pGeoDefEdit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
pGeoDefEdit.AvgNumPoints_2 = 4;
pGeoDefEdit.GridCount_2 = 1;
pGeoDefEdit.set_GridSize(0, 1000);
pGeoDefEdit.SpatialReference_2 = pRasterProps.SpatialReference;
IRasterDataset pRasterDataset = pWorkSpace.CreateRasterDataset("zzy", 3, rstPixelType.PT_UCHAR, pRasterStorageDef, "", pRasterDef, pGeoDef);
pRasterDataset = pRDs;
return true;
}
private IRasterDataset CreateRasterDataset(ref IRasterDataset pRasterDataset, string name, ref IWorkspace pWorkspace, ISpatialReference pSpatialReference)
{
IRasterWorkspaceEx pRasterWorkspaceEx = (IRasterWorkspaceEx)pWorkspace;
IRasterDataset newRasterDataset = null;
IRaster pRaster = pRasterDataset.CreateDefaultRaster();
IRasterBandCollection pRasterBandCollection = (IRasterBandCollection)pRaster;
int numbands = pRasterBandCollection.Count;
IRasterProps pRasterProps = (IRasterProps)pRaster;
rstPixelType pPixelType = pRasterProps.PixelType;
IRasterStorageDef pRasterStorageDef = null;
if (pRasterStorageDef == null)
{
pRasterStorageDef = new RasterStorageDefClass();
pRasterStorageDef.CompressionType = esriRasterCompressionType.esriRasterCompressionLZ77;
pRasterStorageDef.PyramidLevel = 2;
pRasterStorageDef.PyramidResampleType = rstResamplingTypes.RSP_BilinearInterpolation;
pRasterStorageDef.TileHeight = 128;
pRasterStorageDef.TileWidth = 128;
}
IRasterDef pRasterDef = new RasterDefClass();
pRasterDef.SpatialReference = pSpatialReference;
pRasterDef.IsRasterDataset = true;
pRasterDef.Description = "rasterdataset";
try
{
newRasterDataset = pRasterWorkspaceEx.CreateRasterDataset(name, numbands, pPixelType, pRasterStorageDef, "", pRasterDef, this.createGeometryDef(pSpatialReference));
return newRasterDataset;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return null;
}
}
public static IField CreateRasterField(string pName, string pAliasName, ISpatialReference pSR)
{
FieldClass class2 = new FieldClass();
IFieldEdit edit = class2;
edit.Name_2 = pName;
edit.AliasName_2 = pAliasName;
edit.Type_2 = esriFieldType.esriFieldTypeRaster;
IRasterDef def = new RasterDefClass();
def.IsRasterDataset = false;
def.SpatialReference = pSR;
(edit as IFieldEdit2).RasterDef = def;
return class2;
}
//创建数据集（矢量数据集和影像数据集）
private void button2_Click(object sender, EventArgs e)
{
featureWorkspace = workspace as IFeatureWorkspace;
rasterWorkspace = workspace as IRasterWorkspaceEx;
//定义空间参考
ISpatialReferenceFactory spatialReferenceFactory = new SpatialReferenceEnvironmentClass();
ISpatialReference spatialReference = spatialReferenceFactory.CreateGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_Beijing1954);
spatialReference.SetDomain(-1000, -1000, 1000, 1000);
IEnumDatasetName enumDatasetName;
IDatasetName datasetName;
string dsName = "";
enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTFeatureDataset);
datasetName = enumDatasetName.Next();
bool isExist = false;
//创建矢量数据集
dsName = "SDE." + this.textBox6.Text;
while (datasetName != null)
{
if (datasetName.Name == dsName)
{
isExist = true;
}
datasetName = enumDatasetName.Next();
}
if (isExist == false)
{
featureDataset = featureWorkspace.CreateFeatureDataset(this.textBox6.Text, spatialReference);
}
//创建影像数据集
isExist = false;
enumDatasetName = workspace.get_DatasetNames(esriDatasetType.esriDTRasterDataset);
datasetName = enumDatasetName.Next();
dsName = "SDE." + this.textBox6.Text;
while (datasetName != null)
{
if (datasetName.Name == dsName)
{
isExist = true;
}
datasetName = enumDatasetName.Next();
}
if (isExist == false)
{
//设置存储参数
IRasterStorageDef rasterStorageDef = new RasterStorageDefClass();
rasterStorageDef.CompressionType = esriRasterCompressionType.esriRasterCompressionUncompressed;
rasterStorageDef.PyramidLevel = 1;
rasterStorageDef.PyramidResampleType = rstResamplingTypes.RSP_BilinearInterpolation;
rasterStorageDef.TileHeight = 128;
rasterStorageDef.TileWidth = 128;
//设置坐标系统
IRasterDef rasterDef = new RasterDefClass();
ISpatialReference rasterDpatialRefrence = new UnknownCoordinateSystemClass();
rasterDef.SpatialReference = rasterDpatialRefrence;
IGeometryDef geometryDef = new GeometryDefClass();
IGeometryDefEdit geometryDefedit = (IGeometryDefEdit)geometryDef;
geometryDefedit.AvgNumPoints_2 = 5;
geometryDefedit.GridCount_2 = 1;
geometryDefedit.set_GridSize(0, 1000);
geometryDefedit.GeometryType_2 = esriGeometryType.esriGeometryPolygon;
ISpatialReference spatialReference2 = new UnknownCoordinateSystemClass();
geometryDefedit.SpatialReference_2 = spatialReference2;
rasterDataset = rasterWorkspace.CreateRasterDataset(this.textBox7.Text, 1, rstPixelType.PT_LONG, rasterStorageDef, "DEFAULTS", rasterDef, geometryDef);
}
}
/// <summary>
/// Creates a new raster dataset based on the template Raster. If a raster with the same outRaster name exist it will be overwritten
/// </summary>
/// <param name="templateRaster">a raster that has the size and shape desired</param>
/// <param name="outWks">the output workspace</param>
/// <param name="outRasterName">the name of the raster</param>
/// <param name="numBands">the number of raster bands</param>
/// <param name="pixelType">the pixel type</param>
/// <param name="env">the extent</param>
/// <param name="meanCellSize"> the mean Cell Size of the new raster</param>
/// <param name="spRf"> the spatial reference of the raster</param>
/// <returns></returns>
public IRasterDataset createNewRaster(IEnvelope env, IPnt meanCellSize,IWorkspace outWks, string outRasterName, int numBands, rstPixelType pixelType, rasterType rType, ISpatialReference spRf)
{
outRasterName = getSafeOutputName(outWks, outRasterName);
IRasterDataset3 newRstDset = null;
if (outWks.Type == esriWorkspaceType.esriFileSystemWorkspace)
{
outRasterName = getSafeOutputName(outWks, outRasterName);
string rasterTypeStr = rType.ToString();
if (rType== rasterType.IMAGINE)
{
rasterTypeStr = "IMAGINE Image";
outRasterName = outRasterName + ".img";
}
else if (rType == rasterType.TIFF)
{
outRasterName = outRasterName + ".tif";
}
else if (rType == rasterType.GRID)
{
}
else if (rType == rasterType.BMP)
{
outRasterName = outRasterName + ".bmp";
}
else if (rType == rasterType.RST)
{
outRasterName = outRasterName + ".rst";
}
else
{
rasterTypeStr = "IMAGINE Image";
outRasterName = outRasterName + ".img";
}
double dX = meanCellSize.X;
double dY = meanCellSize.Y;
IRasterWorkspace2 rsWks = (IRasterWorkspace2)outWks;
newRstDset = (IRasterDataset3)rsWks.CreateRasterDataset(outRasterName, rasterTypeStr, env.LowerLeft, System.Convert.ToInt32(env.Width / dX), System.Convert.ToInt32(env.Height / dY), dX, dY, numBands, pixelType, spRf, true);
}
else
{
IRasterWorkspaceEx rsWks = (IRasterWorkspaceEx)outWks;
IRasterDef rsDef = new RasterDefClass();
IRasterStorageDef rsStDef = new RasterStorageDefClass();
rsStDef.Origin = env.LowerLeft;
rsStDef.CellSize = meanCellSize;
rsDef.SpatialReference = spRf;
newRstDset = (IRasterDataset3)rsWks.CreateRasterDataset(outRasterName, numBands, pixelType, rsStDef, null, rsDef, null);
}
return newRstDset;
}