private List<TileInfo> GetTile()
{
var schema = _tileSource.Schema;
IEnvelope pEnvelope = new EnvelopeClass();
ISpatialReferenceFactory pSpatRefFact = new SpatialReferenceEnvironmentClass();
pEnvelope.SpatialReference = pSpatRefFact.CreateGeographicCoordinateSystem(4326);
pEnvelope.XMin = extent[0];
pEnvelope.XMax = extent[2];
pEnvelope.YMin = extent[1];
pEnvelope.YMax = extent[3];
var env = Projector.ProjectEnvelope(pEnvelope, schema.Srs);
var mapWidth = 256 * num;
var mapHeight = 256 * num;
float resolution = (float)level;
var centerPoint = env.GetCenterPoint();
var transform = new Transform(centerPoint, resolution, mapWidth, mapHeight);
Extent exte = new Extent(pEnvelope.XMin, pEnvelope.YMin, pEnvelope.XMax, pEnvelope.YMax);
var level1 = Utilities.GetNearestLevel(schema.Resolutions, transform.Resolution);
var tempExtent = new Extent(12597408.0986328, 2623556.09863281, 12629205.9013672, 2655353.90136719);
var tiles = schema.GetTilesInView(tempExtent, 10);
return tiles.ToList();
}
private List<TileInfo> GetTiles(IActiveView activeView)
{
var schema = _tileSource.Schema;
var env = Projector.ProjectEnvelope(activeView.Extent, schema.Srs);
Logger.Debug("Tilesource schema srs: " + schema.Srs);
Logger.Debug("Projected envelope: xmin:" + env.XMin +
", ymin:" + env.YMin +
", xmax:" + env.YMin +
", ymax:" + env.YMin
);
var mapWidth = activeView.ExportFrame.right;
var mapHeight = activeView.ExportFrame.bottom;
var resolution = env.GetMapResolution(mapWidth);
Logger.Debug("Map resolution: " + resolution);
var centerPoint = env.GetCenterPoint();
var transform = new Transform(centerPoint, resolution, mapWidth, mapHeight);
var level = Utilities.GetNearestLevel(schema.Resolutions, transform.Resolution);
Logger.Debug("Current level: " + level);
_currentLevel = level;
var tiles = schema.GetTilesInView(transform.Extent, level);
return tiles.ToList();
}