Function Description
The Main Centerline of Surface refers to the center line of the main surface object in the Extract Surface Data set, that is, it is extracted according to the longest distance of the surface object, and the result is saved as Line Dataset. Extract Main Center Line from Region, which is generally used to extract rivers.
In the case of Extract Center Line, it is extracted by the longest distance of the face object by default; meanwhile, it also supports extracting the center line of a selected face object separately. If the extracted center line range does not meet the user's requirements, the start point and end point of Extract Center Line can be specified. If the face contains an island hole, the extraction bypasses the island hole and selects a Shortest Path Extract Center Line.
Function entrance
- Data tab-> Data Processing-> Vector-> Main Centerline of Surface.
- Toolbox, Data Processing, Vector, Main Centerline of Surface.
Operating instructions
Before Extract Surface Data center line, you can Select the face object in the Dataset, or extract the entire Dataset without selecting the face object.
- On the Data tab, select the Data Processing-> Vector-> Main Centerline of Surface button to display the Main Centerline of Surface window.
- Select the Data Source Dataset for Main Centerline of Surface extraction.
- Set the parameters of the Data Source Dataset in the Result Dataset, and then click Execute to get the Main Centerline of SurfaceDataset.
Related topics
Extract Centerline from Two Lines
Extract Centerline from Polygon