Main toolbar buttons

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 and their functions are described in the table below.

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 .CVP2 file
	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.
	Add a new polyline.
	Add a new spline.
	Select object
	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

The Import button provides a number of options as shown in Figure 2. These options are described in the table below.

Import Grid: open different types of the grid file as native grid type of Grid+, RGF grid, ECOMSED grid, SEAGRID, etc.

Import EFDC Model: open the EFDC input file (e.g corners.inp, dxdy.inp, lxly.inp)

Import Georeferenced Image: open a georeferenced background image (e.g *.jgw, *.geo)

Import Overlay: open an overlay file as shoreline, polyline, polygon (*.p2d)

Import Splines: open the splines file (*.spl), this is a native file created from Grid+

Import Labels: open the label file (*.dat, *.p2d), this file has three columns. Two columns for coordinates (X, Y), and the third column is label names.

Figure 2 Import Menu.

The Export button provides a number of options as shown in Figure 3 . These options are described in the table below.

Export Grid+: export the selected grid layer to the native grid file of Grid+ (*.cvl)

Export RGF Grid: export the selected grid layer to the native grid file of the Delft3D (*.grd)

Export EFDC Grid: export the selected grid layer to the EFDC input file (including corners.inp, dxdy.inp, lxly.inp), these files can open with EEMS.

Export to Shapefile: export the selected grid layer to the shapefile which can open with ArcGIS, QGIS, Global Mapper, etc.

Export to KML: export the selected grid layer to the KML file which can open with Google Earth, Global Mapper, etc.

Figure 3 Export Menu.