/// <summary>
/// Gets the wms service description appropriate for the requested type, epsg, source
/// </summary>
/// <param name="type"></param>
/// <param name="epsg"></param>
/// <param name="source"></param>
/// <returns></returns>
private Cartomatic.Wms.WmsDriver.WmsServiceDescription GetWmsServiceDescription(string type, string epsg, string source)
{
var key = type + "_" + epsg + "_" + source;
Cartomatic.Wms.WmsDriver.WmsServiceDescription sd = null;
if (!RuntimeServiceDescriptions.ContainsKey(key))
{
//extract service descriptions and create its safe copy
sd = BaseServiceDescriptions["main"].Clone();;
//if there is an additional service description available
//extract it an merge with the main object
if (BaseServiceDescriptions.ContainsKey(source))
{
var sd_source = BaseServiceDescriptions[source];
sd.Merge(sd_source, new string[] { "Abstract" }); //merge the abstracts so it actually is made of the main and source abstract strings!
}
//adjust the base service url so it is paramless and valid for both - public facing and internal services
sd.PublicAccessURL = GetPublicServiceUrl(type, epsg, source);
//and save for further referencce
RuntimeServiceDescriptions[key] = sd;
}
else
{
sd = RuntimeServiceDescriptions[key];
}
return(sd);
}
/// <summary>
/// creates a new driver instance
/// </summary>
/// <param name="gdalPath">path to the gdal stuff</param>
/// <param name="dataSource">data source file path</param>
/// <param name="layerName">Optional layer name to be used in the LAYERS param of the GetMap request instead of the file name</param>
/// <param name="srid">srid of the data source</param>
/// <param name="serviceDescription">service description object</param>
public WmsDriver(
string gdalPath,
string dataSource,
string layerName,
string srid,
Cartomatic.Wms.WmsDriver.WmsServiceDescription serviceDescription
)
{
//wms service description
this.ServiceDescription = serviceDescription;
GdalPath = gdalPath;
//well if this throws errors, then the param is not valid ayway ;) kinda forcing to check this prior to instantiating this object
//the base wms driver tests the epsg in order to properly understand the bbox and it expets int hence parsing
this.SRID = Int32.Parse(srid);
this.DataSource = dataSource;
this.DataSourceName = layerName;
ApplyWmsSettings();
}
