public ActionResult GetAVC(string LAYERS,
string BBOX,
string FORMAT = "image/png",
string SRS = "EPSG:21781",
string WIDTH = "256",
string HEIGHT = "256",
string REQUEST = "GetMap",
string VERSION = "1.3.0",
string SERVICE = "WMS")
{
WMSParameter wmsParameter = new WMSParameter(LAYERS: LAYERS, BBOX: BBOX, FORMAT: FORMAT, SRS: SRS, WIDTH: WIDTH, HEIGHT: HEIGHT, REQUEST: REQUEST, VERSION: VERSION, SERVICE: SERVICE);
return(RequestHandler(createWMSRequest.WMSRequest(WMSRequestType.AVCLayer, wmsParameter)));
}
public string CreateBackgroundRequestString(WMSParameter parameter)
{
if (string.IsNullOrEmpty(parameter.FORMAT))
{
parameter.FORMAT = "image/jpeg";
}
string spatialReferenceSystem = "SRS=" + parameter.SRS + "&CRS=" + parameter.CRS;
string wmsPraefix = string.Format("?SERVICE={0}&VERSION={1}&REQUEST={2}&", parameter.SERVICE, parameter.VERSION, parameter.REQUEST);
string wmsParams = String.Format(
"LAYERS={0}&{1}&BBOX={2}&WIDTH={3}&HEIGHT={4}&FORMAT={5}&STYLES=default",
parameter.LAYERS,
spatialReferenceSystem,
parameter.BBOX,
parameter.WIDTH,
parameter.HEIGHT,
parameter.FORMAT);
return(wmsPraefix + wmsParams);
}
public List <Stream> PrepareAndSendWMSRequests(EmsgGisReportParameter emsgGisReportParameter, TileDefinition tile, int dpi, bool isPreview)
{
List <Stream> responseStreamList = new List <Stream>();
List <Thread> threads = new List <Thread>();
List <RequestWorker> workers = new List <RequestWorker>();
#region request background tile
if (!string.IsNullOrEmpty(emsgGisReportParameter.BackgroundLayers))
{
WMSParameter wmsBackrParameter = new WMSParameter(LAYERS: emsgGisReportParameter.BackgroundLayers,
BBOX: tile.ExtentToString(),
HEIGHT: tile.TileHeight.ToString(),
WIDTH: tile.TileWidth.ToString(),
FORMAT: isPreview ? "jpeg" : "png24");
//HttpResponseObject tileResponseBackground = createWMSRequest.WMSRequest(WMSRequestType.BackgroundLayer, wmsBackrParameter);
RequestWorker worker = new RequestWorker(0, wmsBackrParameter, this.createWMSRequest, HttpContext.Current, WMSRequestType.BackgroundLayer);
Thread thread = new Thread(new ThreadStart(worker.Run));
thread.Start();
threads.Add(thread);
workers.Add(worker);
//if (ValidateResponse(tileResponseBackground))
// responseStreamList.Add(tileResponseBackground.responseStream);
}
else
{
WMSParameter wmsAVBackgroundParameter = new WMSParameter(LAYERS: emsgGisReportParameter.LayersAVBackground,
BBOX: tile.ExtentToString(),
HEIGHT: tile.TileHeight.ToString(),
WIDTH: tile.TileWidth.ToString(),
FORMAT: "image/png");
//HttpResponseObject tileResponseAVBackground = createWMSRequest.WMSRequest(WMSRequestType.AVCLayer, wmsAVBackgroundParameter);
RequestWorker worker = new RequestWorker(0, wmsAVBackgroundParameter, this.createWMSRequest, HttpContext.Current, WMSRequestType.AVCLayer);
Thread thread = new Thread(new ThreadStart(worker.Run));
thread.Start();
threads.Add(thread);
workers.Add(worker);
//if(ValidateResponse(tileResponseAVBackground))
// responseStreamList.Add(tileResponseAVBackground.responseStream);
}
#endregion
#region request AV tile
if (emsgGisReportParameter.LayersAV != null)
{
var reportDefinition = new ReportDefintion(dpi);
bool containsHausnummernLayer = false;
var avLayer = emsgGisReportParameter.LayersAV.Split(',').ToList();
containsHausnummernLayer = avLayer.Remove(new ServerConfigurationProvider().AvUeberlagerndLayers);
//the Layer "Hausnummer" aka "ch.bfs.gebaeude_wohnungs_register-label" this layer only contains labels Because we request high resolution images this labels become unreadable small so this layer is requested with "low dpi" and then resized
#region request Hausnummer tile
if (containsHausnummernLayer)
{
int reducedTileHeight = (int)Math.Ceiling((tile.TileHeight / reportDefinition.dpi * 120d));
int reducedTileWidth = (int)Math.Ceiling((tile.TileWidth / reportDefinition.dpi * 120d));
WMSParameter wmsAVHNParameter = new WMSParameter(LAYERS: new ServerConfigurationProvider().AvUeberlagerndLayers,
BBOX: tile.ExtentToString(),
HEIGHT: reducedTileHeight.ToString(),
WIDTH: reducedTileWidth.ToString());
//HttpResponseObject tileResponseAVHN = createWMSRequest.WMSRequest(WMSRequestType.AVLayer, wmsAVHNParameter);
RequestWorker worker = new RequestWorker(1, wmsAVHNParameter, this.createWMSRequest, HttpContext.Current, WMSRequestType.AVLayer);
Thread thread = new Thread(new ThreadStart(worker.Run));
thread.Start();
threads.Add(thread);
workers.Add(worker);
//if (ValidateResponse(tileResponseAVHN))
// responseStreamList.Add(resizeBitmap(tileResponseAVHN.responseStream, tile.TileHeight, tile.TileWidth));
}
string avLayerToDownload = string.Join(",", avLayer);
WMSParameter wmsAVParameter = new WMSParameter(LAYERS: avLayerToDownload,
BBOX: tile.ExtentToString(),
HEIGHT: tile.TileHeight.ToString(),
WIDTH: tile.TileWidth.ToString());
//HttpResponseObject tileResponseAV = createWMSRequest.WMSRequest(WMSRequestType.AVLayer, wmsAVParameter);
RequestWorker avworker = new RequestWorker(2, wmsAVParameter, this.createWMSRequest, HttpContext.Current, WMSRequestType.AVLayer);
Thread avthread = new Thread(new ThreadStart(avworker.Run));
avthread.Start();
threads.Add(avthread);
workers.Add(avworker);
//if (ValidateResponse(tileResponseAV))
// responseStreamList.Add(resizeBitmap(tileResponseAV.responseStream, tile.TileHeight, tile.TileWidth));
#endregion request Hausnummer tile
}
#endregion
#region request EMSG feature tile
if (emsgGisReportParameter.Layers != null)
{
var emsgLayers = emsgGisReportParameter.Layers.Split(',').ToList();
emsgLayers.Reverse();
string emsgLayersToDownload = string.Join(",", emsgLayers);
WMSRestParameter wmsParameter = new WMSRestParameter(emsgLayersToDownload,
tile.ExtentToString(),
tile.TileSizeToString(),
layerdefs: emsgGisReportParameter.LayerDefs,
dpi: dpi.ToString());
//HttpResponseObject tileResponseEMSGFeatures = createWMSRequest.WMSRequest(WMSRequestType.OverlayEMSGLayer, wmsParameter);
RequestWorker worker = new RequestWorker(3, wmsParameter, this.createWMSRequest, HttpContext.Current, WMSRequestType.OverlayEMSGLayer);
Thread thread = new Thread(new ThreadStart(worker.Run));
thread.Start();
threads.Add(thread);
workers.Add(worker);
//if (ValidateResponse(tileResponseEMSGFeatures))
// responseStreamList.Add(tileResponseEMSGFeatures.responseStream);
}
#endregion
foreach (Thread thread in threads)
{
thread.Join();
}
workers = workers.OrderBy(w => w.order).ToList();
foreach (RequestWorker worker in workers)
{
if (worker.exception != null)
{
throw worker.exception;
}
if (ValidateResponse(worker.response))
{
responseStreamList.Add(worker.response.responseStream);
}
}
return(responseStreamList);
}
