The grid extraction option allows the extracting of a part of an existing grid to be removed to a grid from the grid shown in the Layer Control paneldifferent grid layer. This option can be implemented by using either a selected grid block or a polyline overlaid on the selected grid as described below.
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Extract grid from selected grid block
- Select the grid layer in the Layer Control by LMC
- From the main toolbar, select the Select object button and then select a the first grid node. Hold the Shift key and select the second grid node. The grid block will be highlighted as shown 1196294157.
- Next, RMC to display options and then select Extract Grid Block option. A new grid layer will be created in the Layer Control as shown in 1196294157.
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Figure 1. Extract Grid Block option.
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Figure 2 Extracted . A New grid from a selected grid block.
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created from an existing grid by using extracting grid option.
Extract grid with a polygon
- Select the Add a New Polyline from the main toolbar to draw a new polygon (or import an existing polygon if available).
- Start drawing a polygon that overlays a grid in the workspace (LMC to start and RMC to end drawing)
- From the main toolbar, select the Select object button, then click on the polygon. It will be highlighted as shown 1196294157.
- Select the grid layer in the Layer Control by LMC on that grid layer
- RMC on the workspace to show RMC 's options, then select Extract Grid Inside the Selected Polygon option. A new grid layer will be created in the Layer Control as 1196294157.
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Figure 3. Extracted grid inside the selected polygon option
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Figure 4 Extracted grid Inside from a selected 4. A New grid created from an existing grid by using a polygon.