The grid extraction option allows to extract a partial the extracting of a part of a grid from the selected existing grid shown in the Layer Control panel. This option can be implemented by using either a selected grid block or a polyline overlaid on the selected grid as described below.
(1) Extract grid from
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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 grid node, hold . Hold Shift key and select the second grid node. The grid block will be highlighted as shown Extract Grid 1196294157.
- Next, RMC then and select Extract Grid Block option, after that a . A new grid layer will be created in the Layer Control as Extract Gridshown in 1196294157.
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Figure 1 Extract Grid Block option.
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Figure 2 Extracted grid from a selected grid block.
(2) Extract grid from a selected polygon
- Select the Add a New Polyline from the main toolbar
- Start drawing a polygon which that overlays a grid in the workplace 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 Extract Grid 1196294157.
- Next, select Select the grid layer in the Layer Control by LMC on that grid layer
- Then RMC on the workplace workspace to show RMC's options, select Extract Grid Inside the Selected Polygon option, after that a . A new grid layer will be created in the Layer Control as Extract Grid 1196294157.
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Figure 3 Extracted grid inside the selected polygon option
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