The Spline Each spline layer has a range of special options that are may be accessed by RMC on the spline layer title in the tree view (Spline Layer: RMC Options (new)Figure 1). These options are summarized in the Spline Layer: RMC Options (new) Table 1.
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Figure 1. Spline layer: RMC options.
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| Option | Description |
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| 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 To | Export the spline 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 |
Spline Properties
RMC on the grid spline layer, then select Properties, and the Grid Spline Properties will be displayed, as shown in Figure 2. The options here include:
- Layer Name: show shows the name of the layer, a new name can be entered here
- Layer Visible: unchecking this box will hide the grid spline layer (the light bulb of the layer in the the Control Panel is also turned off)
- Show Lines: unchecking this box will hide the gridlines but sill other show properties of the grid e.g. Orthogonal Deviation. This is demonstrated in Figure 3.
- Line Settings: allows the changing of setting style, color, and thickness of the gridlinesspline lines.
Anchor Figure 2 Figure 2
Figure 2. Grid Layer Properties. Anchor Figure 3 Figure 3
Figure 3. Orthogonal deviation of the grid with gridlines hidden.
Show Properties
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Spline Layer
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Figure 3. Show Properties.Anchor Table 2 Table 2 Table 2. Show Properties.
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Show the orthogonal deviation of the grid by color ramp (see Spline Layer: RMC Options (new))
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Figure 4. Show Properties: Orthogonal Deviation.
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Figure 5. Show Properties: Cell Aspect Ratio.
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Figure 6. Show Properties: Cell Area.
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Figure 7. Show Properties: Cell DX.
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Figure 8. Show Properties: Cell DY.
Show Labels
A number of options for displaying the labels of the grid layer are shown in Spline Layer: RMC Options (new) and further described in Spline Layer: RMC Options (new).
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Figure 9. Show Labels of the grid.
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Figure 10. Show Labels: Cell L Index.
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Figure 11. Show Labels: Cell I,J Indices.
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Figure 12. Show Labels: Nodal I,J Indices.
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Figure 13. Show Labels: Bottom Elevation.
Grid Indexing
When a grid is generated each cell or node has an I and J coordinate. Sometimes these are not in the direction that the user requires. The Grid Indexing tool allows the user to reverse the I and J coordinates either separately, or at the same time.
To display the I, J labels of the grid, select the grid layer in the Layer Control then RMC. Select Show Labels (e.g Cell IJ Indices) as shown in Spline Layer: RMC Options (new).
Grid Indexing includes a number of options that are summarized in Spline Layer: RMC Options (new):
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Export
The Export option allows the saving of the grid to a file. A range of different file formats are supported as shown in Figure 14 and further summarized in Spline Layer: RMC Options (new). The function of these options is similar to the Export button described in Main toolbar buttons.
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Figure 14. Export grid layer options.
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Export outline of the selected grid layer to a text file (*.p2d).
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Create Grid
This option only appears from the RMC option when it meets the condition to generate a grid (i.e.at least four splines are crossing). After selecting the Create Grid option, the Create Grid from Splines form is displayed as shown in Figure 3. Define the number of intervals in the I and J direction then click the OK button, a grid will be generated. The Create Grid also can be accessed from a button from the main toolbar as shown in Figure 4.
Anchor Figure 3 Figure 3
Figure 3. Show Properties.
Anchor Figure 4 Figure 4
Figure 4. Create grid from spline accessed from the toolbar button.
Export Control Points To
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 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 155 Figure 155
Figure 155. Export grid spline to file.