Go to the Tools menu to access a tool to make a georeferenced map and general settings, as shown in Tool Menu. The function of each option is described in the table below.
Figure 1 Tools menu options.
| Options | Description |
|---|---|
| Image Georeferencing | This option allows the user to make a background georeferenced map (described in detail below). |
| Settings | General settings for Grid+ |
Image Georeferencing
Suppose that we define a region in Google Earth with two points (P1 and P2), as shown in Tool Menu. We will save the image to a file (with *.jpg extension format).
Go to the Tool menu from Grid+ GUI, select Image Georeference and then the Image GeoReference Tool form appears, click Add Images button and browse to the image, which was generated by Google Earth. Click the Clear Points to empty the Control Points frame (Tool Menu).
Figure 2 Make an image file with at least two points from Google Earth.
Figure 3 Add an image to the Image georeference tool.
Figure 4 Show Grid Labels options.