public void ConfigureMap(Map map)
{
if (WmsMode == WmsMode.Capabilites)
{
return;
}
if (this.Crs != "EPSG:" + map.Layers[0].SRID.ToString())
{
WmsException.ThrowWmsException(WmsExceptionCode.InvalidCRS, "CRS not supported");
}
map.Size = this.OutputSize;
map.BackColor = this.BackgroundColor;
map.ZoomToBox(this.RealWorldBounds);
foreach (ILayer l in map.Layers)
{
l.Enabled = false;
}
foreach (string layerName in this.EnabledLayerNames)
{
map.GetLayerByName(layerName).Enabled = true;
}
}
public void ConfigureRenderer(WmsMapRequestConfig requestConfig, WmsRenderer renderer)
{
renderer.Context = requestConfig.Context;
renderer.ServiceDescription = requestConfig.Description;
renderer.RenderMode = requestConfig.WmsMode;
if (requestConfig.WmsMode == WmsMode.Capabilites)
{
return;
}
ImageCodecInfo codecInfo = DefaultImageRenderer.FindCodec(requestConfig.MimeType);
if (codecInfo == null)
{
WmsException.ThrowWmsException(string.Format("Invalid MimeType specified in FORMAT parameter. {0} not found", requestConfig.MimeType));
}
renderer.ImageCodec = codecInfo;
}
public virtual WmsMapRequestConfig CreateConfig(HttpContext context)
{
WmsMapRequestConfig config = new WmsMapRequestConfig();
config.ServiceDescription = Description;
config.CacheKey = CreateCacheKey(context);
bool ignorecase = true;
if (context.Request.Params["REQUEST"] == null)
{
WmsException.ThrowWmsException("Required parameter REQUEST not specified");
}
//Check if version is supported
if (context.Request.Params["VERSION"] != null)
{
if (String.Compare(context.Request.Params["VERSION"], "1.3.0", ignorecase) != 0)
{
WmsException.ThrowWmsException("Only version 1.3.0 supported");
}
}
else
//Version is mandatory if REQUEST!=GetCapabilities. Check if this is a capabilities request, since VERSION is null
{
if (String.Compare(context.Request.Params["REQUEST"], "GetCapabilities", ignorecase) != 0)
{
WmsException.ThrowWmsException("VERSION parameter not supplied");
}
}
if (String.Compare(context.Request.Params["REQUEST"], "GetCapabilities", ignorecase) == 0)
{
//Service parameter is mandatory for GetCapabilities request
if (context.Request.Params["SERVICE"] == null)
{
WmsException.ThrowWmsException("Required parameter SERVICE not specified");
}
if (String.Compare(context.Request.Params["SERVICE"], "WMS") != 0)
{
WmsException.ThrowWmsException(
"Invalid service for GetCapabilities Request. Service parameter must be 'WMS'");
}
config.WmsMode = WmsMode.Capabilites;
config.MimeType = "text/xml";
return(config);
}
if (String.Compare(context.Request.Params["REQUEST"], "GetMap", ignorecase) != 0)
{
WmsException.ThrowWmsException("Invalid REQUEST parameter");
}
config.WmsMode = WmsMode.Map;
//Check for required parameters
if (context.Request.Params["LAYERS"] == null)
{
WmsException.ThrowWmsException("Required parameter LAYERS not specified");
}
config.EnabledLayerNames = new List <string>(context.Request.Params["LAYERS"].Split(','));
if (context.Request.Params["STYLES"] == null)
{
WmsException.ThrowWmsException("Required parameter STYLES not specified");
}
if (context.Request.Params["CRS"] == null)
{
WmsException.ThrowWmsException("Required parameter CRS not specified");
}
config.Crs = context.Request.Params["CRS"];
config.BaseSrid = config.Crs;
if (context.Request.Params["BBOX"] == null)
{
WmsException.ThrowWmsException(WmsExceptionCode.InvalidDimensionValue,
"Required parameter BBOX not specified");
}
if (context.Request.Params["WIDTH"] == null)
{
WmsException.ThrowWmsException(WmsExceptionCode.InvalidDimensionValue,
"Required parameter WIDTH not specified");
}
if (context.Request.Params["HEIGHT"] == null)
{
WmsException.ThrowWmsException(WmsExceptionCode.InvalidDimensionValue,
"Required parameter HEIGHT not specified");
}
if (context.Request.Params["FORMAT"] == null)
{
WmsException.ThrowWmsException("Required parameter FORMAT not specified");
}
Color bkgnd = Color.White;
//Set background color of map
if (String.Compare(context.Request.Params["TRANSPARENT"], "TRUE", ignorecase) == 0)
{
bkgnd = Color.Transparent;
}
else if (context.Request.Params["BGCOLOR"] != null)
{
try
{
bkgnd = ColorTranslator.FromHtml(context.Request.Params["BGCOLOR"]);
}
catch
{
WmsException.ThrowWmsException("Invalid parameter BGCOLOR");
}
;
}
config.BackgroundColor = ViewConverter.Convert(bkgnd);
config.MimeType = context.Request.Params["FORMAT"];
//Parse map size
int width = 0;
int height = 0;
if (!int.TryParse(context.Request.Params["WIDTH"], out width))
{
WmsException.ThrowWmsException(WmsExceptionCode.InvalidDimensionValue, "Invalid parameter WIDTH");
}
else if (Description.MaxWidth > 0 && width > Description.MaxWidth)
{
WmsException.ThrowWmsException(WmsExceptionCode.OperationNotSupported, "Parameter WIDTH too large");
}
if (!int.TryParse(context.Request.Params["HEIGHT"], out height))
{
WmsException.ThrowWmsException(WmsExceptionCode.InvalidDimensionValue, "Invalid parameter HEIGHT");
}
else if (Description.MaxHeight > 0 && height > Description.MaxHeight)
{
WmsException.ThrowWmsException(WmsExceptionCode.OperationNotSupported, "Parameter HEIGHT too large");
}
config.OutputSize = new Size2D(width, height);
if (context.Request.Params["BBOX"] == null)
{
WmsException.ThrowWmsException("Invalid parameter BBOX");
}
config.RealWorldBounds = UrlUtility.ParseExtents(new GeometryServices()[config.Crs],
context.Request.Params["BBOX"]);
return(config);
}