/// <summary>
/// Opens specified grid layer using MapWinGIS global settings
/// </summary>
public static void OpenGridLayer(string filename, bool useFileManager)
{
axMap1.RemoveAllLayers();
if (useFileManager)
{
//FileManager fm = new FileManager();
//Image img = fm.OpenRaster(filename, tkFileOpenStrategy.fosProxyForGrid);
//axMap1.AddLayer(img, true);
axMap1.AddLayerFromFilename(filename, tkFileOpenStrategy.fosAutoDetect, true);
}
else
{
if (!File.Exists(filename))
{
MessageBox.Show("Failed to find grid: " + filename);
}
else
{
Grid grid = new Grid {
GlobalCallback = callback
};
if (grid.Open(filename, GridDataType.UnknownDataType, false, GridFileType.UseExtension, null))
{
int layerHandle = axMap1.AddLayer(grid, true);
if (layerHandle != -1)
{
var img = axMap1.get_Image(layerHandle);
if (img != null)
{
Debug.Print("Number of bands: " + img.NoBands);
Debug.Print("Allow external color scheme: " + img.AllowGridRendering);
MessageBox.Show("Layer was added to the map");
}
}
else
{
MessageBox.Show("Failed to load layer: " + axMap1.get_ErrorMsg(axMap1.LastErrorCode));
}
}
else
{
MessageBox.Show("Failed to open grid");
}
//grid.Close();
}
}
}
private static bool DisplayAllLayers()
{
var ds = new OgrDatasource();
if (!ds.Open(CONNECTION_STRING))
{
Debug.WriteLine("Failed to establish connection: " + ds.GdalLastErrorMsg);
}
else
{
map.RemoveAllLayers();
// make sure it matches SRID of the layers (4326 in this case)
map.Projection = tkMapProjection.PROJECTION_WGS84;
for (int i = 0; i < ds.LayerCount; i++)
{
var layer = ds.GetLayer(i);
if (layer != null)
{
int handle = map.AddLayer(layer, true);
if (handle == -1)
{
Debug.WriteLine("Failed to add layer to the map: " + map.get_ErrorMsg(map.LastErrorCode));
}
else
{
Debug.WriteLine("Layer was added the map: " + layer.Name);
}
}
}
map.ZoomToMaxVisibleExtents();
ds.Close();
}
return(true);
}