public static string GetConfigFileContent(ArcGISTileSchema scheme)
{
StringBuilder builder = new StringBuilder();
builder.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
builder.Append("<CacheInfo xsi:type=\"typens:CacheInfo\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xs=\"http://www.w3.org/2001/XMLSchema\" xmlns:typens=\"http://www.esri.com/schemas/ArcGIS/10.1\">");
builder.Append("<TileCacheInfo xsi:type=\"typens:TileCacheInfo\">");
builder.Append(ArcGISPrjTool.GetSpatialReferenceXML(scheme.WKID));
builder.Append(string.Format("<TileOrigin xsi:type=\"typens:PointN\"><X>{0}</X><Y>{1}</Y></TileOrigin>", scheme.TileOrigin.Lng, scheme.TileOrigin.Lat));
builder.Append(string.Format("<TileCols>{0}</TileCols>", scheme.TileCols));
builder.Append(string.Format("<TileRows>{0}</TileRows>", scheme.TileRows));
builder.Append(string.Format("<DPI>{0}</DPI>", scheme.DPI));
builder.Append("<LODInfos xsi:type=\"typens:ArrayOfLODInfo\">");
foreach (LODInfo info in scheme.LODs)
{
builder.Append(string.Concat(new object[] { "<LODInfo xsi:type=\"typens:LODInfo\"><LevelID>", info.LevelID, "</LevelID><Scale>", info.Scale, "</Scale><Resolution>", info.Resolution, "</Resolution></LODInfo>" }));
}
builder.Append("</LODInfos>");
builder.Append("</TileCacheInfo>");
builder.Append("<TileImageInfo xsi:type=\"typens:TileImageInfo\">");
builder.Append(string.Format("<CacheTileFormat>{0}</CacheTileFormat><CompressionQuality>0</CompressionQuality><Antialiasing>false</Antialiasing>", scheme.CacheTileFormat.ToString().ToUpper()));
builder.Append("</TileImageInfo>");
builder.Append(string.Format("<CacheStorageInfo xsi:type=\"typens:CacheStorageInfo\"><StorageFormat>{0}</StorageFormat><PacketSize>{1}</PacketSize></CacheStorageInfo></CacheInfo>", scheme.StorageFormat, scheme.PacketSize));
return(builder.ToString());
}
// Methods
public TilePackageWriter(string path, ArcGISTileSchema scheme)
{
this.tillingScheme = scheme;
if (File.Exists(path))
{
throw new Exception(string.Format("文件（{0}）已存在！", path));
}
this.Init(path);
}
private ArcGISTileSchema GetArcGISTileSchema(EsriStorageFormat storageFormat)
{
List <int> zoomLevelList = this.GetExportLevels();
ArcGISTileSchema arcGisTileSchema = new ArcGISTileSchema
{
CacheTileFormat = ImageFormat.PNG,
CompressionQuality = 0,
DPI = (int)this.DPI,
FullExtent = BoundingBox.FromRectLngLat(this.GetProjectedView()),
InitialExtent = BoundingBox.FromRectLngLat(this.GetProjectedView()),
LODs = new LODInfo[zoomLevelList.Count]
};
int num = 0;
foreach (int levelId in zoomLevelList)
{
LODInfo info = new LODInfo
{
LevelID = levelId,
Resolution = this.mapProvider.Projection.GetLevelResolution(levelId),
Scale = this.mapProvider.Projection.GetLevelScale(levelId)
};
arcGisTileSchema.LODs[num++] = info;
}
if (storageFormat == EsriStorageFormat.esriMapCacheStorageModeExploded)
{
arcGisTileSchema.PacketSize = 0;
}
else if (storageFormat == EsriStorageFormat.esriMapCacheStorageModeCompact)
{
arcGisTileSchema.PacketSize = 128;
}
arcGisTileSchema.StorageFormat = storageFormat;
arcGisTileSchema.TileOrigin = this.mapProvider.Projection.GetProjectedPoint(this.mapProvider.Projection.TileOrigin);
arcGisTileSchema.TileCols = (int)this.mapProvider.Projection.TileSize.Width;
arcGisTileSchema.TileRows = (int)this.mapProvider.Projection.TileSize.Height;
arcGisTileSchema.WKID = this.mapProvider.Projection.EpsgCode;
//arcGisTileSchema.WKID = 4326;
//arcGisTileSchema.WKID = 3857;
arcGisTileSchema.TPKName = new Guid().ToString();
return(arcGisTileSchema);
}
public static string GetCDIFileContent(ArcGISTileSchema scheme, GMapProvider mapProvider = null)
{
StringBuilder builder = new StringBuilder();
builder.Append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
builder.Append("<EnvelopeN xsi:type='typens:EnvelopeN' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.0'>");
builder.Append("<XMin>" + scheme.FullExtent.LowerCorner.X + "</XMin>");
if ((mapProvider != null) && (((mapProvider is BaiduMapProvider) || (mapProvider is BaiduSatelliteMapProvider)) || (mapProvider is BaiduHybridMapProvider)))
{
builder.Append("<YMin>" + (scheme.FullExtent.LowerCorner.Y - 30000.0) + "</YMin>");
}
else
{
builder.Append("<YMin>" + scheme.FullExtent.LowerCorner.Y + "</YMin>");
}
builder.Append("<XMax>" + scheme.FullExtent.UpperCorner.X + "</XMax>");
builder.Append("<YMax>" + scheme.FullExtent.UpperCorner.Y + "</YMax>");
builder.Append("</EnvelopeN>");
return(builder.ToString());
}
public bool CreateArcGISMetaFile()
{
try
{
string cdiFile = this.rootPath + "/Layer/conf.cdi";
string xmlFile = this.rootPath + "/Layer/conf.xml";
if (!Directory.Exists(cdiFile.Substring(0, cdiFile.LastIndexOf('/'))) && !Directory.Exists(cdiFile.Substring(0, cdiFile.LastIndexOf('/'))))
{
Directory.CreateDirectory(cdiFile.Substring(0, cdiFile.LastIndexOf('/')));
}
ArcGISTileSchema schema = GetArcGISTileSchema(EsriStorageFormat.esriMapCacheStorageModeExploded);
this.GenerateArcGISCDIFile(cdiFile, schema);
this.GenerateArcGISConfFile(xmlFile, schema);
return(true);
}
catch (Exception exception)
{
string msg = "创建ArcGIS切片元数据文件失败!";
log.Error(msg + exception);
return(false);
}
}
private void GenerateArcGISCDIFile(string dstFile, ArcGISTileSchema schema)
{
string cdiFileContent = TilePackageWriter.GetCDIFileContent(schema, this.mapProvider);
this.WriteXMLFile(dstFile, cdiFileContent);
}
private void GenerateArcGISConfFile(string dstFile, ArcGISTileSchema schema)
{
string xmlFileContent = TilePackageWriter.GetConfigFileContent(schema);
this.WriteXMLFile(dstFile, xmlFileContent);
}
