public static LayerType AddToCapabilities(this DataSource dataSource, string name, Capabilities capabilities)
{
string projectionStr;
double xMin, yMin, xMax, yMax;
string tileMatrixSet = null;
using (var layer = dataSource.GetLayerByIndex(0))
{
string layerName = layer.GetName();//todo 调试是否乱码
using (var spatialReference = layer.GetSpatialRef())
{
tileMatrixSet = spatialReference.GetAttrValue("GEOGCS", 0);
var ret = spatialReference.ExportToWkt(out projectionStr);
}
layer.GetExtent(out xMin, out yMin, out xMax, out yMax);
}
int minZoom = 0;
int maxZoom = 19;
dataSource.GetSuitableZoom(ref minZoom, ref maxZoom);
LayerType layerType = CapabilitiesHelper.AddToCapabilities(capabilities, name, projectionStr, xMin, yMin, xMax, yMax, minZoom, maxZoom);
string href = capabilities.GetHref(WmtsOperationType.GetTile, WmtsRequestType.REST);
URLTemplateType tileTemplate = CapabilitiesHelper.CreateTileResourceURL(href, name, tileMatrixSet);
URLTemplateType featureInfoTemplate = CapabilitiesHelper.CreateFeatureInfoResourceURL(href, name, tileMatrixSet);
layerType.ResourceURL = new URLTemplateType[] { tileTemplate, featureInfoTemplate };
return(layerType);
}
public static URLTemplateType CreateFeatureInfoResourceURL(string href, string name, string tileMatrixSet, string style = "default")
{
URLTemplateType getFeatureInfoResourceURL = new URLTemplateType()
{
format = "application/gml+xml; version=3.1",
resourceType = "FeatureInfo",
template = $"{href}/{name}/{style}/{tileMatrixSet}/{{TileMatrix}}/{{TileRow}}/{{TileCol}}/{{J}}/{{I}}.xml"
};
return(getFeatureInfoResourceURL);
}
public static URLTemplateType CreateTileResourceURL(string href, string name, string tileMatrixSet, string style = "default", string format = "png")
{
URLTemplateType getTileResourceURL = new URLTemplateType()
{
format = $"image/{format}",
resourceType = "tile",
template = $"{href}/{name}/{style}/{tileMatrixSet}/{{TileMatrix}}/{{TileRow}}/{{TileCol}}.{format}"
};
return(getTileResourceURL);
}
public static ResourceUrl GetTileResourceUrl(this LayerType layerType)
{
ResourceUrl resourceUrl = null;
URLTemplateType templateType = layerType.ResourceURL?.FirstOrDefault(x => x.resourceType == URLTemplateTypeResourceType.tile);
if (templateType != null)
{
resourceUrl = new ResourceUrl()
{
Template = templateType.template,
Format = templateType.format,
ResourceType = templateType.resourceType
};
}
return(resourceUrl);
}
public static LayerType AddToCapabilities(this Dataset dataset, string name, Capabilities capabilities)
{
string projectionStr = dataset.GetProjection();
dataset.GetExtent(out double xMin, out double yMin, out double xMax, out double yMax);
int minLevel = 0;
int maxLevel = 19;
dataset.GetSuitableZoom(ref minLevel, ref maxLevel);
LayerType layerType = CapabilitiesHelper.AddToCapabilities(capabilities, name, projectionStr, xMin, yMin, xMax, yMax, minLevel, maxLevel);
string href = capabilities.GetHref(WmtsOperationType.GetTile, WmtsRequestType.REST);
string tileMatrixSet = null;
using (var spatialReference = dataset.GetSpatialReference())
{
tileMatrixSet = spatialReference.GetAttrValue("GEOGCS", 0);
}
URLTemplateType tileTemplate = CapabilitiesHelper.CreateTileResourceURL(href, name, tileMatrixSet);
layerType.ResourceURL = new URLTemplateType[] { tileTemplate };
return(layerType);
}
