ITerrainSurface.ExtractGridded Method

Extracts the surface grid information from the terrain surface.

Namespace: Autodesk.Civil.DatabaseServices
Assembly: AeccDbMgd (in AeccDbMgd.dll) Version: 13.8.0.1516

Syntax

C#

ObjectIdCollection ExtractGridded(
	SurfaceExtractionSettingsType settingsType
)

VB

Function ExtractGridded ( 
	settingsType As SurfaceExtractionSettingsType
) As ObjectIdCollection

C++

ObjectIdCollection^ ExtractGridded(
	SurfaceExtractionSettingsType settingsType
)

Parameters

settingsType  SurfaceExtractionSettingsType

Specify SurfaceExtractionSettingsType.Plan to extract the grid information using the plan visual style settings, or SurfaceExtractionSettingsType.Model to use the model settings.

Return Value

ObjectIdCollection
An ObjectIdCollection of the extracted entities. The extracted entities are Polyline3d objects. If the surface has no gridded information, this method returns an empty ObjectIdCollection.

Example

C#

 1// Setup: creates a new, random surface
 2// 
 3TinSurface surface = CreateRandomSurface("Example Surface");
 4
 5// Extract a grid from the surface and print information about it:
 6// 
 7ObjectIdCollection gridlines;
 8gridlines = surface.ExtractGridded(SurfaceExtractionSettingsType.Plan);
 9
10write("# of extracted grid lines extracted: " + gridlines.Count + "\n");
11int i = 1;
12foreach (ObjectId gridLineId in gridlines)
13{
14    // Gridlines are polyline3d objects
15    Polyline3d gridline = gridLineId.GetObject(OpenMode.ForRead) as Polyline3d;
16    write(String.Format(" Gridline #{0}: Length:{1}  Start:{2}  End:{3}\n",
17        i, gridline.Length, gridline.StartPoint.ToString(), gridline.EndPoint.ToString()));
18    i++;
19}

VB

1!ERROR: See log file!

See Also

Reference