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Figure 1 1. Import Grid option via the Menu bar.
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Figure 2 2. Import Grid option via the Toolbar.
A grid file may or may not contain its projection information. In the former case, Grid+1.2 automatically reads the abided coordinate system and overlays the grid accurately on its geographical location in the background map, for example as in Figure 3. In the latter case, the grid display is prone to distortion, immediately noticeable in the working domain (Figure 4).
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Figure 3 3. The grid of Caspian Sea correctly located by Grid+1.2 after being imported. The red box in the left displays automatically-identified coordinate system of the grid.
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Figure 4 4. Distorted Caspian Sea grid with unspecified coordinate projection information. Grid file formatted as *.grd.
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Figure 5 5. Grid Setting form.
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Figure 6 6. Define a coordinate system.
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Figure 7 7. Grid displayed correctly after the coordinate system is set.