Click on the Splines menu in the main toolbar, a number of options are shown in Figure 1. The function of options are described in the table belowThe Layer Control panel, shown in Figure 1, 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 Figure 2.
RMC on each selected layer in the Layer Control to have options. For example, Figure 3 shows LMC options for a selected grid layer.
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Figure 1 Splines menu options.
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Layer Control panel.
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Figure 2 RMC options in the Layer Control panel for turn on/off layers.
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Figure 3 RMC options for grid layer.