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Copy 2D/3D Lines

Use this dialog to copy lines from the SFI model to a field book or the clipboard.

Where to Find the Dialog

In the SFI model, select Import/Export - Copy 2D/3D Lines.

Export Targets

You can copy lines in the SFI model to:

  1. Field Book
    This option opens the field book dialog. Here, you can create raw data files that can be transferred to a field book.
  2. Clipboard
    The data on the clipboard can be pasted into an application layer in Gemini Terrain afterwards.

Surface Selection

You can specify which lines to include by providing a surface selection.

String Description Note
(-1.01),(1.01) Only surfaces -1.01 and 1.01 The lines passing through the surfaces' endpoints are copied.
(-2.09:2.09) Surfaces from -2.09 to 2.09 inclusive Includes all surfaces in the specified interval

Options

With the Create Boundary Contour option, the program can create a boundary contour (a polygon) at the outer edge of the data. This can be useful in many situations, for example, if you want to triangulate the lines afterwards.

Tip

If you want to copy lines without height, check Only 2D Lines. This option also preserves radii, which is useful if the lines will be used further in a zoning plan.

3D Lines and Segmentation

When you copy 3D lines, the lines will be split into many small straight line segments. In arcs, you can control how well these segments fit in plan (XY) and elevation (Z). The value in the Max. Circle Deviation criteria determines this.

Note

If you set the circle deviation to 0, you will only get segments from profile to profile.

In this example, Max. Circle Deviation = 0. A = Cross-sections, B = Centerline

Properties

The lines will also have two properties:

  • LTYPE
    The LTYPE property contains the SFI model's surface codes. A line with LTYPE 1.01 means this is the line passing through the endpoint of surface 1.01 (farthest from the centerline).

  • OBJTYPE
    These are SOSI object types assigned to the lines. The link between the surface code in the SFI model and the object type is defined in fcodes.ini [PCODE_OBJTYPE].

Tip

You can edit this link if desired via Gemini Terrain Settings.