The main toolbar in Grid+ provides all of the options most important for building and refining grid. The buttons from the main toolbar are shown in Figure 1 1149960298 and their functions are described in the table below.
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Figure 1. Main toolbar buttons.
| Buttons | Description |
|---|---|
| The New Project button clears all the data in the workspace, and the user will start working on a new project. |
| The Load button loads a project saved on the computer's hard drive or in some external memory. |
| The Save button saves the entire project to one .GPP file. This is a general layout file, not the grid file loaded into EE. |
| The Import button imports external files (see below for details). |
| The Export button exports the grid to different grid types (see below for details). |
| Toggle the Layer Control on/off. |
| View full layer extent. |
| Restore the previous view. |
 | Select object |
 | Mode node: this allows to move grid node, polyline node, or spline node. |
 | Add node: this allows to will add a node in general. A node can be a grid node, a node of polyline, or splines. |
 | Delete node: this allows to remove the grid node, polyline node, or spline node. |
| Edit objects by polygon |
| Add a new polyline. |
| Add a new spline. |
| Undo operation |
| Redo operation |
| Create a grid from splines |
| Create a rectangular grid |
| Create a radial grid |
| Refine grid |
| Coarse grid |
| Orthogonalize grid |
| Merge two grids |
| Global settings |
| Measurement Tool |
| Frame control: To add the North Arrow and Scale bar |
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The Import button provides a number of options as shown in Figure 21149960298. These options are described in the table below.
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Import Overlay: open an overlay file as shoreline, polyline, polygon (*.p2d, *.shp)
Import Splines: open the splines file (*.spl), this is a native file created from Grid+
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Figure 2. Import Menu.
The Export button provides a number of options as shown in Figure 3 1149960298 . These options are described in the table below.
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Export to EFDC: export the selected grid layer to the EFDC input file (including files. The three files produced are the corners.inp, dxdy.inp, lxly.inp), these files can open with EEMS. Doing this allows the user to edit a grid and then reopen it in EEMS without changing the boundary conditions. If the user wants to create a wholly new model, including the EFDC.INP etc, then that should be done in EE rather than in Grid+ .
Export to Shapefile: export the selected grid layer to the shapefile, which can open with ArcGIS, QGIS, Global Mapper, and others.
Export to KML: export the selected grid layer to the KML file, which can open with Google Earth, Global Mapper, and others.
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Anchor Figure 3 Figure 3
Figure 3. Export Menu.