private void OpenDatasource()
{
_datasource.Close();
if (!OgrHelper.OpenDatasource(_datasource, _connection))
{
return;
}
PopulateList();
}
public static void ImportOgrLayer()
{
int layerHandle = App.Legend.SelectedLayer;
if (layerHandle == -1)
{
return;
}
var sf = App.Map.get_Shapefile(layerHandle);
if (sf == null)
{
MessageHelper.Info("Selected layer is not a vector layer.");
return;
}
using (var form = new OgrConnectionForm())
{
if (form.ShowDialog(MainForm.Instance) == DialogResult.OK)
{
var ds = new OgrDatasource();
if (!OgrHelper.OpenDatasource(ds, form.ConnectionParams))
{
return;
}
string layerName = App.Map.get_LayerName(layerHandle);
layerName = layerName.Replace(".", "_");
using (var importForm = new OgrImportShapefile(layerName))
{
if (importForm.ShowDialog(MainForm.Instance) == DialogResult.OK)
{
layerName = importForm.LayerName;
if (!ds.ImportShapefile(sf, layerName, "", tkShapeValidationMode.NoValidation))
{
MessageHelper.Warn("Failed to import shapefile: " + ds.GdalLastErrorMsg);
}
else
{
MessageHelper.Info("Layer was imported: " + layerName);
}
}
}
}
}
}
public OgrDataSource(OgrHelper helper, string source)
{
Source = source;
OgrHelper = helper;
}
private static void TestWithSplittingLargeShapeFIle(ProgramOptions options, int z)
{
var helper = new OgrHelper(new DefaultEnvironmentVariableProvider(readOnlyValues:
new Dictionary <string, string> {
{ "gdal", @"C:\python\WinPython-64bit-2.7.6.4-gdal\tools\gdal" },
{ "GDAL_DATA", @"C:\python\WinPython-64bit-2.7.6.4-gdal\tools\gdal-data" }
}));
var source = new OgrDataSource(helper, options.Source);
source.CacheDir = options.CacheDir;
var layer = source.GetLayerContext("jordstykke") as OgrLayer <OgrEntity>;
var extent = layer.ExtentAsync.Result;
var from = ProjectionInfo.FromProj4String(layer.Proj4TextAsync.Result);
var to = ProjectionInfo.FromEpsgCode(3857);
Reproject.ReprojectPoints(extent, null, from, to, 0, 2);
var grid = new XYZTileGrid(new TileGrid.TileGridOptions
{
MinZoom = 0,
});
TileRange range;
do
{
range = grid.GetTileRangeForExtentAndZ(extent, z);
} while (!(range.MinX == range.MaxX && range.MinY == range.MaxY) && z-- > 0);
range = grid.GetTileCoordChildTileRange(new int[] { z, range.MinX, range.MinY });
var createOriginalVectorBlock = grid.CreateCoordinateTreeWalker(extent, async(xyz, parent, tileExtent) =>
{
var targetPath = string.Format(@"C:\TestCacheDir\{0}\{1}\{2}.shp", xyz[0], xyz[1], xyz[2]);
var sourcePath = string.Format(@"C:\TestCacheDir\{0}\{1}\{2}.shp", parent[0], parent[1], parent[2]);
if (!File.Exists(targetPath))
{
if (!File.Exists(sourcePath))
{
sourcePath = @"C:\dev\DK_SHAPE_UTM32-EUREF89\MINIMAKS\BASIS\JORDSTYKKE.shp";
Reproject.ReprojectPoints(tileExtent, null, to, from, 0, 2);
}
Directory.CreateDirectory(Path.GetDirectoryName(targetPath));
try
{
var exitcode = await helper.Ogr2OgrClipAsync(
sourcePath, targetPath, "epsg:" + to.AuthorityCode,
tileExtent);
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}, z, 5);
createOriginalVectorBlock.LinkTo(new ActionBlock <TileRange>((r) => { }));
createOriginalVectorBlock.Post(range);
createOriginalVectorBlock.Complete();
createOriginalVectorBlock.Completion.Wait();
}
