SkylineGlobe6.5遍历信息树节点方法
//------------------- //searchGeometries function searchGeometries2(parentNode, callbackFunc) { SGWorld.ProjectTree.EnableRedraw(0); searchGeometriesLeaf2(parentNode, callbackFunc); SGWorld.ProjectTree.EnableRedraw(1); } //------------------- // searchGeometries function searchGeometriesLeaf2(parentNode, callbackFunc) { if (SGWorld.ProjectTree.IsLayer(parentNode)) // Layer { var layer = SGWorld.ProjectTree.GetLayer(parentNode); var featureGroups = layer.FeatureGroups; for (var i = 0; i < featureGroups.Count; i++) // Traverse all sub-layers { var featureGroup = featureGroups.Item(i); var altitudeType = AltitudeMethodToAltitudeType(featureGroup.GetProperty("Altitude Method")); var features = featureGroup.Features; for (var j = 0; j < features.Count; j++) { var ret; if (featureGroup.GeometryType != 0) ret = callbackFunc(features.Item(j).Geometry, featureGroup.GeometryType, altitudeType); else { if (features.Item(j).Geometry.GeometryType == 0) // Point { var position = SGWorld.Creator.CreatePosition(features.Item(j).Geometry.X, features.Item(j).Geometry.Y, features.Item(j).Geometry.Z); ret = callbackFunc(position, featureGroup.GeometryType, altitudeType); } } if (!ret) return; } } } else { var node = SGWorld.ProjectTree.GetNextItem(parentNode, 11); while (node != "") { if (SGWorld.ProjectTree.IsGroup(node) || SGWorld.ProjectTree.IsLayer(node)) searchGeometriesLeaf2(node, callbackFunc); else { var Object = SGWorld.Creator.GetObject(node); if (Object != null) { var altitudeType = Object.Position.AltitudeType; var ret; if (Object.ObjectType == 1 || Object.ObjectType == 2) ret = callbackFunc(Object.Geometry, Object.ObjectType, altitudeType); else ret = callbackFunc(Object.Position, Object.ObjectType, altitudeType); if (!ret) return; } } node = SGWorld.ProjectTree.GetNextItem(node, 13); } } }