public bool TransToGrid(string vectorFilename, string strAtrrName, string outFilename, double dPixCellSize = 0.0005, double dEnvelope_offsetX = 0, double dEnvelope_offsetY = 0, DataType typeData = DataType.GDT_Float64)
{
// 初始GdalRead
this._GdalRead = GdalRead_Factory.CreateGdalRead(vectorFilename);
this._GdalRead.InitDataSource(vectorFilename, Encoding.UTF8, 0, false);
return(this.TransToGrid(strAtrrName, outFilename, dPixCellSize, dEnvelope_offsetX, dEnvelope_offsetY, typeData));
}
public bool TransToRaster(string vectorFilename, string strAtrrName, string dstRasterFile, double[] dEnvelopes, double dPixCellSize = 0.0005, double dEnvelope_offsetX = 0, double dEnvelope_offsetY = 0, string driverName = "GTiff", DataType typeData = DataType.GDT_Float32)
{
// 初始GdalRead
this._GdalRead = GdalRead_Factory.CreateGdalRead(vectorFilename);
this._GdalRead.InitDataSource(vectorFilename, Encoding.UTF8, 0, false);
if (this._GdalRead == null || this._GdalRead.Layer == null)
{
Console.WriteLine(vectorFilename + " open failed.");
return(false);
}
return(this.TransToRaster(strAtrrName, dstRasterFile, dEnvelopes, dPixCellSize, dEnvelope_offsetX, dEnvelope_offsetY, driverName, typeData));
}
/// <summary>分布图
/// </summary>
/// <param name="strParams">json参数</param>
/// <returns></returns>
private bool RunModel_Distribution()
{
// 解析参数
var jsonParams = _Params;
// 初始插值方法对象
GdalAlg_IWD gdalAlg = null;
string algType = jsonParams["algType"] + "";
string algParms = JsonConvert.SerializeObject(jsonParams["algParms"]);
switch (algType)
{
case "IDW":
gdalAlg = (GdalAlg_IWD)InitGdalAlg_IWD(algParms);
break;
default:
break;
}
// 初始格网生成参数
string srcVectorFilename = jsonParams["srcData"]["srcVectorFilename"] + "";
string srcTimeType = jsonParams["srcData"]["srcTimeType"] + "";
string strAtrrName = jsonParams["algParms"]["algAtrrName"] + "";
if (srcTimeType != "")
{
srcTimeType = "_" + srcTimeType + "";
}
double dCellSize = Convert.ToDouble(jsonParams["algParms"]["algCellSize"] + "");
double dEnvelope_offsetX = Convert.ToDouble(jsonParams["algParms"]["algEnvelope_offsetX"] + "");
double dEnvelope_offsetY = Convert.ToDouble(jsonParams["algParms"]["algEnvelope_offsetY"] + "");
double dNoDataValue = -9999;
string srcFileName = Path.GetFileNameWithoutExtension(srcVectorFilename);
string dstRasterFilename = _FloderTemp + GdalCommon.CreateName(_FloderTemp, srcFileName, ".tiff") + ".tiff";
bool isUseClip = Convert.ToBoolean(jsonParams["clipData"]["clipVaild"] + "");
string clipVectorWhere = jsonParams["clipData"]["clipWhere"] + "";
string division = clipVectorWhere != "" ? clipVectorWhere : "division";
string clipVectorFilename = GdalCommon.GetFile_Division(Convert.ToString(jsonParams["clipData"]["infoDivision"])) + division + ".geojson";
string dstRasterFilenameClip = dstRasterFilename;
if (isUseClip)
{
dstRasterFilenameClip = _FloderTemp + GdalCommon.CreateName(_FloderTemp, srcFileName, ".tiff") + "_Clip.tiff";
}
string strFileName = jsonParams["dstContour"]["dstFileName"] + "";
strFileName = strFileName != "" ? strFileName : _dtTag; //GdalCommon.CreateName(_FloderTemp, "", ".geojson");
_nameTag = strAtrrName + srcTimeType + strFileName;
_FloderOutput = _FloderOutput + "Distribution/" + gdalAlg.AlgName + "/";
string outFilename = _FloderOutput + _nameTag + ".geojson";
if (!Directory.Exists(_FloderOutput))
{
Directory.CreateDirectory(_FloderOutput);
}
// 初始插值源数据
IGdalRead gdalRead = GdalRead_Factory.CreateGdalRead(srcVectorFilename);
if (!gdalRead.InitDataSource(srcVectorFilename, Encoding.UTF8, 0, false))
{
Console.WriteLine(srcVectorFilename);
this.InitError(string.Format("插值源数据{0}打开失败！数据不存在或文件错误！", Path.GetFileName(srcVectorFilename)), true);
return(false);
}
// 调用IDW插值算法生成格网
GdalTrans_Grid poTrans = new GdalTrans_Grid(gdalRead, gdalAlg);
if (poTrans.TransToGrid(strAtrrName, dstRasterFilename, dCellSize, dEnvelope_offsetX, dEnvelope_offsetY) == false)
{
this.InitError("IDW插值算法生成格网出错！", true);
return(false);
}
// 调用裁剪
if (isUseClip)
{
GdalTrans_Clip poTrans_Clip = new GdalTrans_Clip();
if (poTrans_Clip.ClipRaster(clipVectorFilename, "", dstRasterFilename, 1, dstRasterFilenameClip, dNoDataValue) == false)
{
this.InitError("IDW插值格网裁剪出错！", true);
return(false);
}
}
// 初始等值面提取参数
double[] dLevelIntervals = jsonParams["dstContour"]["LevelIntervals"].ToObject <List <double> >().ToArray();
double dLevelBase = Convert.ToDouble(jsonParams["dstContour"]["LevelBase"] + "");
bool isPolygon = Convert.ToBoolean(jsonParams["dstContour"]["IsPolygon"] + "");
// 调用等值面提取
GdalTrans_Contour poTrans_Contour = new GdalTrans_Contour(gdalRead);
poTrans_Contour.ContourGenerate(dstRasterFilenameClip, outFilename, 1, dLevelIntervals, dLevelBase, isPolygon);
// 组装返回结果
_ModeState = emModeState.Runout;
_Datas = new JObject();
_Datas.Add("typeFile", "GeoJSON");
_Datas.Add("typeAlg", algType);
_Datas.Add("title", strAtrrName + srcTimeType);
_Datas.Add("nameTag", _nameTag);
_Datas.Add("outFile", outFilename);
_dstRasterFile = dstRasterFilenameClip;
return(true);
}