GMS:MODFLOW World File
A MODFLOW world file is a plain text file containing the geographic location of a MODFLOW model. The world file contains three lines including the origin, rotation about the z axis, and the path of a projection file. The world file is found in the same directory as the name file. The MODFLOW world and projection files are automatically written by GMS when the project has a global projection.
ORIG x y z ROTZ theta PRJ_FILE "file_path"
The ORIG line contains the space separated x, y, and z coordinates of the outside corner of the model cell at the first column and last row.
The ROTZ line contains the counter-clockwise (looking down) rotation of the model about the origin coordinate in degrees.
The PRJ_FILE line contains the absolute or relative path to the model's projection file which ends in with a *.prj extension. The file path is surrounded by double quotes.
ORIG 612086.0 3429376.55 230.0 ROTZ 90.0 PRJ_FILE "modfmap.prj"
GMS – Groundwater Modeling System
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