/// <summary>
/// Toggles between direct rendering and proxy rendering for an image which visualizes a grid.
/// </summary>
public static void UpdateProxyMode(Image img, bool proxyNeeded)
{
var grid = img.OpenAsGrid();
var extents = axMap1.Extents as IExtents;
if (extents != null)
{
Debug.Print(extents.ToDebugString());
}
grid.GlobalCallback = callback;
axMap1.RemoveAllLayers();
grid.PreferedDisplayMode = proxyNeeded ? tkGridProxyMode.gpmUseProxy : tkGridProxyMode.gpmNoProxy;
axMap1.AddLayer(grid, true);
axMap1.Extents = extents;
}
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);
}
public static void StartMeasureingTool(tkMeasuringType toolType, string filename)
{
var sf = new Shapefile();
if (!sf.Open(filename))
{
MessageBox.Show("Failed to open shapefile");
}
else
{
var ut = new Utils();
axMap1.RemoveAllLayers();
int handle = axMap1.AddLayer(sf, true);
axMap1.ZoomToLayer(handle);
axMap1.Measuring.MeasuringType = toolType;
axMap1.CursorMode = tkCursorMode.cmMeasure;
}
}