private void SetDriver(string path)
{
using (var driver = gdalDataset.GetDriver())
{
if (GdalHelper.IsCreateCopyOnlySupported(driver))
{
log.WarnFormat("Datasource is readonly: {0}", path);
return;
}
//cannot directly create dataset. check if dataset can be created by copying from another set
if (GdalHelper.IsCreateCopySupported(driver))
{
if (gdalDataset.RasterCount > 1000)
{
log.WarnFormat("Using in memory-driver with large dataset can yield unexpected results.");
}
log.WarnFormat("Using in memory-driver with large dataset can yield unexpected results.");
}
else
{
using (var gdalDriver = Gdal.GetDriverByName("MEM"))
{
var oldGdalDataSet = gdalDataset;
gdalDataset = gdalDriver.CreateCopy(path, gdalDataset, 0, new string[] { }, null, null);
oldGdalDataSet.Dispose();
}
}
}
}
private void SetDriver(string path)
{
using (var driver = gdalDataset.GetDriver())
{
if (!GdalHelper.IsCreateSupported(driver))
{
log.WarnFormat("Datasource is readonly: {0}", path);
return;
}
//cannot directly create dataset. check if dataset can be created by copying from another set
if (GdalHelper.IsCreateCopySupported(driver))
{
//TODO: fix this criteria
if (GetDatasetSize() < 1000000)
{
log.Debug("Using in-memory driver to facilitate writing to datasource");
//log.WarnFormat("Using in memory-driver with large dataset can yield unexpected results.");
using (var gdalDriver = Gdal.GetDriverByName("MEM"))
{
var oldGdalDataSet = gdalDataset;
gdalDataset = gdalDriver.CreateCopy(path, gdalDataset, 0, new string[] { }, null, null);
oldGdalDataSet.Dispose();
}
}
}
}
}
private static void WriteGdalDatasetToFile(string path, Dataset gdalDataset)
{
log.Debug("Recreating file and copying data from in-memory datasource.");
Driver targetDatasetDriver = GetTargetDatasetDriver(path);
using (targetDatasetDriver)
{
if (GdalHelper.IsCreateCopySupported(targetDatasetDriver))
{
targetDatasetDriver.CreateCopy(path, gdalDataset, 0, new string[] { }, null, null)
.Dispose();
}
}
GC.Collect();
}