The Layer Control panel, shown in 1195835413, provides the user with a number of options to manage existing layers in the panel, including show on/off layers, remove layers, set properties for layers.
To show/hide the Layer Control, the user can click on the arrow (<<) on the top bar of the panel or can click on the Toggle Layer Control On/Off button on the main toolbar. The frame size of the panel can be adjusted by moving the cursor to the edge of the panel then hold LMC and move cursor.
To show on/off each layer by checking on the checkbox of each layer
RMC on the empty area inside the Layer Control panel to display a number of options for to turn on/off the layers as shown in 1195835413.
RMC on each selected layer in the Layer Control to have options. For example, 1195835413 shows LMC options for a selected grid layer.grid extraction option allows the part of an existing grid to be removed to a different 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.
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 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 Layer Control panel. Extract Grid Block option.
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Figure 2. A New grid 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 options, then select Extract Grid Inside the Selected Polygon option. A new grid layer will be created in the Layer Control
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- as 1196294157.
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Figure 3 RMC options for grid layer. Extracted grid inside the selected polygon option
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Figure 4. A New grid created from an existing grid by using a polygon.