Grid+ uses several files types to develop a grid for use in EFDC. The .gpp file is a Grid+ project file and saves all the different files the user has loaded, including the actual grid (.gpp), background maps (.JGW, .GEO), splines (.P2D). In addition, if the user has any overlays (e.g. shoreline files) or DTM (e.g. bathymetry XYZ data), the full path name is saved in the gpp file, so those annotation layers will be added to the display when the gpp file is opened.
Loading a Project File
To load a Grid+ project file (*.gpp), the user should click File menu then select Open Project (or use shortcut keys Ctrl+O), as shown in 2225143815. The user should browse the Grid+ project file and then click the Open button, as shown in 2225143815can load the native grid file as *.gpc. Besides, it can load other types of grids, such as *.cvl (grid file made by CVLGrid) and *.grd (grid file made by Delft3D). To load a grid file, the user clicks Import file button from the main toolbar then select Import Grid, as shown in How to Load Grid.
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Figure 1 Import grid file.
Once selecting the Import Grid option, an Import Grid form will pop up, as shown in How to Load Grid. We browse to the grid file. We can select many types of grids by clicking on the down arrow in the form. After selecting a grid file, we click the Open button to load the file. After clicking Open button, the Grid+ will load all files, such as the actual grid (.gpc, .cvl), as shown in 2225143815.Another option is that the user can load the Grid+ project file by selecting the project file in the Window Explorer folder (LMC) then drag and drop the file into the workspace of CVLGridCoordinate System form will display, as shown in How to Load Grid. We should define a proper coordinate system for the grid. It could be a Geographic system or a UTM system and then click the OK button. If we select the wrong coordinate system, the grid will be located in the incorrect place, so we have to load it again with another coordinate system.
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Figure 1 Load a CVLGrid project file.
Figure 2 Browse to a project gird file.
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Loading a Grid File
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Figure 3 Define Coordinate System.
Another option is that the user you can load the grid file by selecting the grid file (LMC) and then drag - and - drop the file into the workspace of CVLGridGrid+.
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Figure 3 4 A grid file loaded into CVLGridGrid+.
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