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Data Format A-1 CVL File
The CVL file is the native CVLGrid grid file. Each one begins with The header lines . Next comes provide the format for the grid format, and I, J map etc.
Example
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Data Format A-2 P2D Polyline/Polygon File.
Any number of polylines/polygons can reside in the same file. Each one begins with a single line header that is used as the "ID" of the polyline/polygon. Next comes the data in either 2D or 3D format, the importing automatically handles either. Finally the polyline/polygon is finished (not necessarily "closed") by an "*" in column 1. There is no difference between polyline and polygon in a P2D file, only how the data are treated by the application reading the file.
Example
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Polyline Test
609115.69390674 3643612.72035394 0
608828.057738002 3642922.39387814 0
608569.186338242 3642232.06904821 0
608396.
Data Format A-3 Overlay File
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604307826 3640908.94563456 0
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601493.350247946 3628713.19503985 0
601464.586301899 3627763.99747289 0
601522.11337106 3627016.14485373 0
601522.11337106 3626642.21854415 0 *
General Formats
Data Format A-
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3 DXDY/LXLY
Example
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C BOTTOM Veg
C I I J DX DY DY DEPTH ELEV ZROUGH TYPE
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C I J X Y CUE CVE CUN CVN Y CUE CVE CUN CVN SHELTER
3 41 624703.9 6794905.0 0.23872 0.97109 -0.97109 0.23872 1.00
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4 42 625870.4 6794492.8 0.24376 0.96984 -0.96984 0.24376 1.00
Data Format A-4 Corners(4)
Example
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* 07-Oct-07 3:49:15 PM
* I J X Y
3 3 147268.3 211473.6 147427.3 211409.0 147474.5 211475.5 147312.4 211573.0
4 3 147312.4 211573.0 147474.5 211475.5 147538.3 211555.3 147374.2 211687.1
5 3 147374.2 211687.1 147538.3 211555.3 147622.8 211650.0 147452.3 211811.0
6 3 147452.3 211811.0 147622.8 211650.0 147726.5 211758.3 147545.0 211943.4
7 3 147545.0 211943.4 147726.5 211758.3 147843.6 211876.1 147649.1 212082.4
8 3 147649.1 212082.4 147843.6 211876.1 147970.5 212002.1 147760.9 212226.5
9 3 147760.9 212226.5 147970.5 212002.1 148102.9 212134.7 147876.0 212373.1
Third Party Formats
Data Format A-5 ECOMSED
ECOMSED is a three-dimensional hydrodynamic and sediment transport computer code developed by HydroQual.
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Grid95 is a public domain grid generator. The output from Grid95 can be directly imported into EFDC_Explorer's model generation function using the GRD saved results file. The file format is: first line the I, J grid dimensions, subsequent lines are the X, Y coordinates of the cell centroid. Refer to the user manual for Grid95 for details on the format.
Example
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-19.352817413073470 -18.069105224173820
Data Format A-7
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SEAGRID
SeaGrid is a Matlab 5.2+ application for generating an orthogonal grid within a curved perimeter, suitable for oceanographic modeling.
Example
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181 3 188.27640 280.11520 0.00 112.29 0.00000 0.00000 -122.126450 27.153447
Data Format A-
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8 CH3D
CH3D is a Curvilinear-grid Hydrodynamics 3D model developed originally by Dr. Y. Peter Sheng at the Aeronautical Research Associates of Princeton, Inc in the 1980s.
Example
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0.734396125000E+06 0.534686015625E+05 0.274799995422E+02 7 1
Data Format A-
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Example
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* 07-Oct-07 3:49:15 PM
* I J X Y
3 3 147268.3 211473.6 147427.3 211409.0 147474.5 211475.5 147312.4 211573.0
4 3 147312.4 211573.0 147474.5 211475.5 147538.3 211555.3 147374.2 211687.1
5 3 147374.2 211687.1 147538.3 211555.3 147622.8 211650.0 147452.3 211811.0
6 3 147452.3 211811.0 147622.8 211650.0 147726.5 211758.3 147545.0 211943.4
7 3 147545.0 211943.4 147726.5 211758.3 147843.6 211876.1 147649.1 212082.4
8 3 147649.1 212082.4 147843.6 211876.1 147970.5 212002.1 147760.9 212226.5
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9 Delft RGFGrid
Refer to the Delft RGFGrid user guide.