How do i download geoid file

To ignore the map filter, disable the Map filtering switch. Select a coordinate system from the library list or use the Zone , Datum and Geoid fields to select the coordinate system settings. To key in additional parameters: Select the Parameters tab.

Details for the selected coordinate system settings are shown in the Details tab. In the Projection tab, select the Zone type and fill out the other details as required.

To attach shift grid, projection grid or SnakeGrid files, see Projection. In the Datum tab, select the Datum type. To adjust projected grid coordinates to fit the local control, select the H. Adj and V. Adj tabs and enter the required parameters. They are not required for Qinsy Online or Replay.

A zero mask value means that no masking is used. Masking is used to outline the shape of for example a country within a rectangular grid. Positions in a 'masked' grid cell and indeed outside the rectangular grid boundaries should return an error or use interpolation between one to three non-masked grid points.

Enter a 1-sigma error value. The same will be the case when the model file is missing. Multimedia Gallery. Park Passes. Technical Announcements. Employees in the News. In the "Selection" section, you can select the area which you want to export. Please note that the maximum area size is 2x2 degrees equal to data points. To specify either a coordinate on the southern or western hemisphere, use the '-' minus sign.

The software will warn you in case the selected area is too big. When ready, click the "Start" button to generate the geoid file. When this process has been completed, you can close the utility using the "Close" button. The last step is adding the geoid model in Hydromagic. The computer does not have enough hardware resources to cope with the opening of the GGF file. Drivers of equipment used by the computer to open a GGF file are out of date. Similar extensions. How to associate the file with an installed software?

Is there one way to open unknown files? Last updated.