Contour lines can be an especially important deliverable when you need to create a two-dimensional map of your drone survey. The way the surface is presented (what you see) influences your export (what you get). So, you can export contour lines only when you have set your surface to be displayed as contours.
Display surface as contours
- Select your surface
- In the HOME tab, go to Surface Styling
- Click on the Contours option and make sure to set the contours visible.
- Click on Show Contours
- If you see Hide Contours then you don't need to do anything. Your surface styling is already set to display as contours
- You can also set your contour interval in the same way. Simply, click further on Interval.
Note: Important to know is that all project items that are checked will be exported. If you only want to export your contours, you'll need to turn off all other survey items (points, lines, boundaries, surfaces). You can leave your terrains on as they will not influence the export of the survey.
- Turn all survey items but your contour lines off in the projectview:
- Check the check boxes off, or
- Click Turn All Off and turn the check box for your contours back on.
- Go to the EXPORT tab
- Click on Export Survey
- Choose the format of your preference: .dxf, .xml or .shp
- Specify a filename and click Save.
- The exported files (.dxf, .xml or .shp) will contain 3D polyline geometries.
Notes for shapefile
- Multiple files are created when you have exported your contours to a shapefile.
- The file with the contours will be appended with "contourlines". Example:
- When the filename was set to "survey" or "survey.shp",
- then your contour lines can be found as "survey_contourlines.shp"
- The attribute table contains a column with the elevation attribute for each contour line.