private void btnRenderMap2_Click(object sender, EventArgs e)
{
//Note we're casting to mg-desktop specific subclasses as this is what mg-desktop rendering APIs expect
MgdMap map = (MgdMap)_viewer.GetMap();
MgdSelection selection = (MgdSelection)_viewer.GetSelection();
MgMapViewerProvider provider = _viewer.GetProvider();
MgdRenderingService renderSvc = (MgdRenderingService)provider.CreateService(MgServiceType.RenderingService);
MgPoint centerPt = map.ViewCenter;
MgCoordinate centerCoord = centerPt.Coordinate;
//MgdTransientMapState is a helper class which lets us apply transient state to a map, which is automatically
//undone on disposal. This is how we can render custom views of a map with specific display parameters without
//permanently changing the display parameters used by the map viewer
using (MgTransientMapState tempState = provider.CreateTransientState(map))
{
MgMapDisplayParameters state = new MgMapDisplayParameters(centerCoord.X, centerCoord.Y, 5000, 1024, 768, 96);
tempState.PushState(state);
MgByteReader br = renderSvc.RenderMap(map, selection, "PNG");
using (SaveFileDialog save = new SaveFileDialog())
{
save.Filter = "Portable Network Graphics (*.png)|*.png";
if (save.ShowDialog() == DialogResult.OK)
{
//MgReadOnlyStream is a stream adapter class that provides a .net stream
//interface to the MgByteReader, allowing MgByteReader objects to be used
//anywhere a System.IO.Stream is expected.
using (MgReadOnlyStream stream = new MgReadOnlyStream(br))
{
Image img = Image.FromStream(stream);
img.Save(save.FileName);
MessageBox.Show("Image saved to: " + save.FileName);
}
}
br.Dispose();
}
}
}
private static MgdSelection Convert(MgdMap map, Mapping.MapSelection sel)
{
if (sel == null)
return null;
MgdSelection impl = new MgdSelection(map);
var xml = sel.ToXml();
if (!string.IsNullOrEmpty(xml))
impl.FromXml(xml);
return impl;
}
private void button1_Click(object sender, EventArgs e)
{
try
{
var fact = new MgdServiceFactory();
MgdRenderingService renSvc = (MgdRenderingService)fact.CreateService(MgServiceType.RenderingService);
MgResourceIdentifier resId = new MgResourceIdentifier(textBox1.Text);
var sw = new Stopwatch();
sw.Start();
MgdMap map = new MgdMap(resId);
sw.Stop();
Trace.TraceInformation("Runtime map created in {0}ms", sw.ElapsedMilliseconds);
MgdSelection selection = null;
if (!string.IsNullOrEmpty(txtSelectLayer.Text) &&
!string.IsNullOrEmpty(txtSelectFilter.Text))
{
selection = new MgdSelection(map);
var layers = map.GetLayers();
if (layers.IndexOf(txtSelectLayer.Text) >= 0)
{
var layer = layers.GetItem(txtSelectLayer.Text);
var query = new MgFeatureQueryOptions();
query.SetFilter(txtSelectFilter.Text);
var reader = layer.SelectFeatures(query);
selection.AddFeatures(layer, reader, 0);
Trace.TraceInformation("{0} features in selection set", selection.GetSelectedFeaturesCount(layer, layer.GetFeatureClassName()));
}
}
double x;
double y;
if (double.TryParse(textBox2.Text, out x) &&
double.TryParse(textBox3.Text, out y))
{
map.SetViewCenterXY(x, y);
}
int w;
int h;
if (int.TryParse(txtWidth.Text, out w) &&
int.TryParse(txtHeight.Text, out h))
{
map.SetDisplaySize(w, h);
}
double scale;
if (double.TryParse(textBox4.Text, out scale))
{
map.SetViewScale(scale);
}
int mode;
if (int.TryParse(textBox6.Text, out mode))
{
}
MgColor selColor = new MgColor("0x0000FFFF");
MgdRenderingOptions renderOpts = new MgdRenderingOptions(textBox5.Text, mode, selColor);
sw.Start();
MgByteReader response = renSvc.RenderDynamicOverlay(map, selection, renderOpts);
sw.Stop();
Trace.TraceInformation("RenderDynamicOverlay executed in {0}ms", sw.ElapsedMilliseconds);
new ImageResponseDialog(response).ShowDialog();
}
catch (MgException ex)
{
MessageBox.Show(ex.ToString(), "Error from MapGuide");
}
}
private void button1_Click(object sender, EventArgs e)
{
try
{
var fact = new MgdServiceFactory();
MgdRenderingService renSvc = (MgdRenderingService)fact.CreateService(MgServiceType.RenderingService);
MgResourceIdentifier resId = new MgResourceIdentifier(textBox1.Text);
var sw = new Stopwatch();
sw.Start();
MgdMap map = new MgdMap(resId);
sw.Stop();
Trace.TraceInformation("Runtime map created in {0}ms", sw.ElapsedMilliseconds);
MgdSelection selection = null;
if (!string.IsNullOrEmpty(txtSelectLayer.Text) &&
!string.IsNullOrEmpty(txtSelectFilter.Text))
{
selection = new MgdSelection(map);
var layers = map.GetLayers();
if (layers.IndexOf(txtSelectLayer.Text) >= 0)
{
var layer = layers.GetItem(txtSelectLayer.Text);
var query = new MgFeatureQueryOptions();
query.SetFilter(txtSelectFilter.Text);
var reader = layer.SelectFeatures(query);
selection.AddFeatures(layer, reader, 0);
Trace.TraceInformation("{0} features in selection set", selection.GetSelectedFeaturesCount(layer, layer.GetFeatureClassName()));
}
}
double x;
double y;
if (double.TryParse(textBox2.Text, out x) &&
double.TryParse(textBox3.Text, out y))
{
map.SetViewCenterXY(x, y);
}
int w;
int h;
if (int.TryParse(txtWidth.Text, out w) &&
int.TryParse(txtHeight.Text, out h))
{
map.SetDisplaySize(w, h);
}
double scale;
if (double.TryParse(textBox4.Text, out scale))
{
map.SetViewScale(scale);
}
int mode;
if (int.TryParse(textBox6.Text, out mode))
{
}
MgColor selColor = new MgColor("0x0000FFFF");
MgdRenderingOptions renderOpts = new MgdRenderingOptions(textBox5.Text, mode, selColor);
sw.Start();
MgByteReader response = renSvc.RenderDynamicOverlay(map, selection, renderOpts);
sw.Stop();
Trace.TraceInformation("RenderDynamicOverlay executed in {0}ms", sw.ElapsedMilliseconds);
new ImageResponseDialog(response).ShowDialog();
}
catch (MgException ex)
{
MessageBox.Show(ex.ToString(), "Error from MapGuide");
}
}
