File tab |
The File tab saves specific map projections and establishes a default map projection for all new projects. Background In a large multi-user environment, these administrative options are useful for leveraging the geodetic expertise of a few and applying it to several projects or to the company as a whole. Saving a map template can be useful for making a backup or for propagating a specific map projection from one Petra project to another. Similarly, setting a default system map projection can be useful when all Petra users are working in a similar geographic environment. Using the File tab Using Map Projection Template Map Projection Templates simply store the settings of the currently saved map projection in an external *.MPT file. Especially when using a non-standard custom projection, template files are useful for making backups of Petra map projections as well as quickly copying the map projection from one project to another. To save a map projection template file, select the save button. To load an preexisting template, select the load button.
Setting a Default Map Projection The best time to set a projects map projection is at the very beginning. A default projection ensures all new projects system-wide will automatically use one predefined map projection.
To set a system-wide default projection, select the Save System Map Projection button under the File tab of the Map Projection Settings window. This creates a new file in the system-wide PARMS directory called DEFPROJECTION1.BIN. This file contains the projects current map projection. Setting a default projection can be useful for companies or field offices that are focused on a specific basin where one map projection is always applicable.
When new projects are created, Petra will ask the user if they want to use the default map projection.
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