The Spline Overlay layer has a range of special options that are accessed by RMC on the spline overlay title in the tree view (Overlayer Layer: RMC OptionsFigure 1). These options are summarized in the Overlayer Layer: RMC Options Table 1.
| Anchor | ||||
|---|---|---|---|---|
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Figure 1. Spline Overlay layer: RMC options.
Table 1. RMC options for spline overlay layer.Anchor Table 1 Table 1
| Option | Description | ||
|---|---|---|---|
| Properties | Set properties of the selected layer (described in detail below) | Create Grid | Generate grid from the selected spline layer(described in detail below) |
| Zoom to Layer | Zoom the view to the selected layer | ||
| Export Control Points ToSave As | Export the spline overlay layer to an external file | ||
| Remove | Delete the selected layer | ||
| Create New Spline Layer | Create a new spline layer in the layer control panel | ||
| Create New Overlay Layer | Create a new overlay layer in the layer control panel | ||
| Turn All Layers Off | Hide all existing layers in the layer control panel | ||
| Turn All Layers On | Display all existing layers in the layer control panel |
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Overlay Properties
RMC on the spline overlay layer, then select Properties, and the Spline Overlay Properties will be displayed, as shown in Figure 2. The options here include:
- Layer Name: show the name of the layer, a new name can be entered here
- Layer Visible: unchecking this box will hide the spline overlay layer (the light bulb of the layer in the Control Panel is also turned off)
- Show in
- Selectable
- Editable
- Show Lines: unchecking this box will hide the spline lines
- Line Settings: allows the changing of setting style, color, and thickness of the spline lines.
Anchor Figure 2 Figure 2
Figure 2. Spline Layer Properties.
Create Grid
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Overlay: Line Style.
Anchor Figure 3 Figure 3 
Figure 3. Show PropertiesOverlay: Data Points.
Anchor Figure 4 Figure 4 
Figure 4. Create grid from spline accessed from the toolbar button.
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Overlay: Labels.
Anchor Figure 5 Figure 5
Figure 5. Overlay: Distance Labeling.
Save As
The Export Control Points to option allows the saving of the spline to a file. Once selecting the Export Control Points to option, the Save As form will be displayed, as shown in Overlayer Layer: RMC Options Figure 5. Define the file type (*.spl is the default extension for spline) then enter a file name. Define the folder location to locate the file then click the Save button.
Anchor Figure 5 Figure 5
Figure 5. Export spline overlay to file.