/// <summary>
/// 写入当前切片级别地理坐标系切片
/// </summary>
/// <param name="i"></param>
/// <param name="tileFileInfo"></param>
/// <param name="outPutDir"></param>
public static void WriteGeoLevel(int i, TileFileInfo tileFileInfo, string outPutDir)
{
IWorkspaceFactory workspaceFactory = new ShapefileWorkspaceFactory();
IWorkspace pWs = workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(tileFileInfo.filePath), 0);
IFeatureClass pFeatureClass = (pWs as IFeatureWorkspace).OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(tileFileInfo.filePath));
IFeatureLayer featureLayer = new FeatureLayerClass
{
FeatureClass = pFeatureClass
};
IDataset dataSet = (IDataset)pFeatureClass;
featureLayer.Name = dataSet.Name;
IMap map = new MapClass();
map.AddLayer(featureLayer);
IMapControlDefault pMapControl = new MapControlClass();
pMapControl.Map = map;
IActiveView pActiveView = pMapControl.ActiveView;
tagRECT rect = new tagRECT();
rect.left = rect.top = 0;
rect.right = 256;
rect.bottom = 256;
IExport pExport = null;
IEnvelope pEnvelope = new EnvelopeClass();
string temp = i.ToString();
if (temp.Length < 2)
{
temp = "0" + temp;
}
System.IO.DirectoryInfo LevelDir = new System.IO.DirectoryInfo(outPutDir).CreateSubdirectory($"L{temp}");
pMapControl.MapScale = TileParam.TileParamProjCoordinateSystem.TileScales[i];
pMapControl.Refresh();
Console.WriteLine($"Level：L{temp}：分辨率{TileParam.TileParamGeoCoordinateSystem.TileResolutions[i]}");
double imageHeighy = TileParam.TileParamGeoCoordinateSystem.TileResolutions[i] * TileParam.TileParamGeoCoordinateSystem.TileSize;
for (int dy = 1, iRnum = 0; TileParam.TileOriginGeo.OriginY - imageHeighy * dy > tileFileInfo.MinY - imageHeighy; dy++, iRnum++)
{
if (TileParam.TileOriginGeo.OriginY - imageHeighy * dy > tileFileInfo.MaxY)
{
continue;
}
string tmpy = iRnum.ToString("X");
while (tmpy.Length < 8)
{
tmpy = "0" + tmpy;
}
Console.WriteLine($"--行号：R{tmpy}");
System.IO.DirectoryInfo RowDir = LevelDir.CreateSubdirectory($"R{tmpy}");
for (int dx = 1, iCnum = 0; TileParam.TileOriginGeo.OriginX + imageHeighy * dx < tileFileInfo.MaxX + imageHeighy; dx++, iCnum++)
{
if (TileParam.TileOriginGeo.OriginX + imageHeighy * dx < tileFileInfo.MinX)
{
continue;
}
string tmpx = iCnum.ToString("X");
while (tmpx.Length < 8)
{
tmpx = "0" + tmpx;
}
try
{
pEnvelope.PutCoords(TileParam.TileOriginGeo.OriginX + imageHeighy * (dx - 1), TileParam.TileOriginGeo.OriginY - imageHeighy * dy, TileParam.TileOriginGeo.OriginX + imageHeighy * dx, TileParam.TileOriginGeo.OriginY - imageHeighy * (dy - 1));
pExport = ToExporter("PNG");
pExport.ExportFileName = RowDir.FullName + "\\C" + tmpx + ".png";
Console.WriteLine($"----列号：C{tmpx} {pExport.ExportFileName}");
pExport.Resolution = 96;
IEnvelope pPixelBoundsEnv = new EnvelopeClass();
pPixelBoundsEnv.PutCoords(rect.left, rect.top, rect.right, rect.bottom);
pExport.PixelBounds = pPixelBoundsEnv;
//开始导出，获取DC
int hDC = pExport.StartExporting();
//导出
pActiveView.Output(hDC, 96, ref rect, pEnvelope, null);
//结束导出
pExport.FinishExporting();
//清理导出类
pExport.Cleanup();
RealeaseAO(pExport);
RealeaseAO(pPixelBoundsEnv);
}
catch (Exception ex) { Helpers.ErrorHelper.PrintException(ex); }
}
}
RealeaseAO(workspaceFactory);
RealeaseAO(pWs);
RealeaseAO(pFeatureClass);
RealeaseAO(featureLayer);
RealeaseAO(map);
RealeaseAO(pMapControl);
}