public RstReader(string filename)
{
_geoImage = IGeoImage.GeoOpen(filename);
GeoImage g = _geoImage as GeoImage;
_fullEnvelope = new Envelope(g.MinX, g.MinY, g.MaxX, g.MaxY);
_coordType = g.IsProjected ? enumCoordinateType.Projection : enumCoordinateType.Geographic;
_sref = SpatialReferenceFactory.GetSpatialReferenceByWKT(g.ProjectDescription, enumWKTSource.GDAL);
_byteCountPerPixel = GetBandCount(_geoImage.DataType);
}
public void Dispose()
{
if (_cachebitmap != null)
{
_cachebitmap.Dispose();
_cachebitmap = null;
}
_geoImage.Dispose();
_geoImage = null;
}
public override void Execute()
{
try
{
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "LDF File(*.ldf)|*.ldf|Image File (*.rst)|*.rst|(*.img)|*.img|(*.tif)|*.tif|(*.*)|*.*";
if (dlg.ShowDialog() == DialogResult.OK)
{
PluginGeoVisWnd viewer = _smartSession.SmartWindowManager.ActiveViewer as PluginGeoVisWnd;
if (viewer == null)
{
return;
}
else
{
vis = viewer.Controls[0] as UCGeoVIS;
vis.Img = IGeoImage.GeoOpen(dlg.FileName);
if (vis.Img == null)
{
return;
}
vis.Img.SetPara(3, new int[] { 6, 2, 1 }, new float[] { 0, 0, 0 }, new float[] { 1000, 1000, 1000 });
OViewNode node = vis.Viewer.CreateViewNode(ViewNodeType.GeoQuadTileSet);
node.Name = Path.GetFileNameWithoutExtension(dlg.FileName);
node.Tag = vis.Img;
vis.Viewer.Root.InsertNode(vis.Viewer.Root.ChildrenCount, node);
double alt = GeoVisViewer.Radius * Math.Abs(Math.Sin(Angle.DegreeToRadians * ((vis.Img.CurGeoRegion.MaxLon - vis.Img.CurGeoRegion.MinLon))));
EarthGoto(vis.Img.CurGeoRegion.CenterLatitude, vis.Img.CurGeoRegion.CenterLongitude, alt);
}
}
}
catch (Exception ex)
{
MsgBox.ShowInfo(ex.Message);
}
}
