/// <summary>
/// 通过用Gp实现通视分析
/// </summary>
/// <param name="observer_features"></param>
/// <param name="in_raster"></param>
/// <param name="out_raster"></param>
/// <param name="curvature"></param>
/// <param name="zFactor"></param>
public void ViewshedAnalyseGP(string observer_features, string in_raster, string out_raster, string curvature, double zFactor) // 张琪 20110611
{
Viewshed pViewshed = new Viewshed();
pViewshed.in_observer_features = observer_features;
pViewshed.in_raster = in_raster;
pViewshed.out_raster = out_raster;
pViewshed.z_factor = zFactor;
pViewshed.curvature_correction = curvature;
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
if (!RunTool(gp, pViewshed))
{
return;
}
return;
}
private async Task <MapPoint> ShowViewshed(MapView mapView, int featureId)
{
MapPoint searchPoint = ((RealtimeFeature)_rtCursor.Current).GetShape() as MapPoint;
searchPoint = GeometryEngine.Instance.Project(searchPoint, mapView.Map.SpatialReference) as MapPoint;
var observer = new Camera(searchPoint.X, searchPoint.Y, 200, -22, searchPoint.SpatialReference, CameraViewpoint.LookAt);
observer.ViewportHeight = 84;
observer.ViewportWidth = 134;
observer.Z = 100;
observer.Pitch = 0;
var viewshedAnalysis = new Viewshed(observer, 45, 60, 10, 600);
if (_vwDict[featureId] != null)
{
await mapView.RemoveExploratoryAnalysis(_vwDict[featureId]);
}
_vwDict[featureId] = viewshedAnalysis;
await mapView.AddExploratoryAnalysis(viewshedAnalysis);
return(searchPoint);
}
