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Line 174: ==Extract Breaklines from DEM== '''"-brkline <gis file in 2d_zsh format>"'''<br> ~~This feature was added to the 2013-06-AA version of the utility.<br>~~ Extracts elevations from a DEM for breaklines in the 2d_zsh format. This GIS input should have four attributes, z, dz, width and shape_options, as described in the <u>[https://docs.tuflow.com/classic-hpc/manual/latest/ TUFLOW Manual]</u>. For the utility the '''dz''', '''shape_width''' and the '''shape_options''' are used. Valid shape_options are "Max" and "Min" or blank (average used). The utility will extract an elevation at each <u>vertex</u> along the line.<br> Depending on the line width and DEM cell size, the following methods are used:<br> Line 188 ⟶ 187: ==Fuzzy Map== '''"-fuzzy <input grids>"'''<br> ~~This feature was added to the 2014-03-AB version of the utility.<br>~~ A fuzzy map can be used when comparing a large number of simulations.<br> For each input grid (or scenario) the grid is classed as either 1 if the results grid is wet or 0 if dry. The total score for each grid cell is is calculated and then divided by the total number of input grids. A value of 1 indicates that the cell was wet in each simulation a value of 0 is dry in all simulations. Grids with a value of 0.5 are most sensitive.<br> Line 198 ⟶ 196: ==Histogram== '''"-histogram bins.csv <input grid>"'''<br> ~~This feature was added to the 2014-03-AB version of the utility.<br>~~ Calculates the number of cells and percentage of cells that fall in each range. Requires and input .csv file containing the bin values.<br> Example: Line 247 ⟶ 244: ==Extract 1D Model Inputs== '''"-egc control_file.egc"'''<br> This allows 1D Network (1d_nwk) and/or 1D ~~Cross~~cross-~~Sections~~sections to be extracted from a series of grids.<br> A simple input file similar to the TUFLOW geometry control file is input into the utility. This is nominally given the extension .egc (Estry Geometry Control).<br> <br> Line 377 ⟶ 374: ==Statistics== <big>'''"-stat<type>"'''</big> ~~As of the 2017-10-AA build, the~~The grid_to_grid.exe utility allows the user to perform a number of statistical analyses on a group of input grids. This is particularly useful when extracting information from assessments that produce multiple result files for a single event, for example, processing grids from an ensemble assessment with numerous temporal pattern arrangements. The available options are: Line 490 ⟶ 487: =Creation Options= The grid_to_grid.exe supports GDAL style creation options. Creation options can be passed in using the "-co" flag then the name of the creation option and the value:<Br> <pre>-co COMPRESS=DEFLATE</pre> Multiple creation options can be used (each will require its own "-co" flag).<Br> <Br> The creation options have adopted the same naming as GDAL (more information on the options can be found at <b><u>[https://gdal.org https://gdal.org]</u></b>), however, not all options in GDAL are supported in the grid_to_grid.exe utility. The following creation options are supported:<Br> Line 511 ⟶ 508: ====NetCDF==== * COMPRESS=NONE/DEFLATE- output compression. Default - DEFLATE * ZLEVEL=[0-9] - Compression level. Zero is no compression, 9 is ~~hightest~~highest compression. Only supported for DEFLATE compression method. Default - 9. ====ASC==== * DECIMAL_PRECISION=N - The number of decimal places in the output. This option is analogous to the <tt>"-decimal[N]"</tt> switch. Default - 3.

GRID to GRID draft: Difference between revisions