The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
NAME grdvector – Plot vector field from two component grids SYNOPSIS grdvector compx.nc compy.nc -Jparameters [ ] [ [p|s]parameters ] [ cpt ] [ fill ] [ [x]dx[/dy] ] [ ] [ ] [ ] [ ] [ parameters ] [ region ] [ [i|l]scale ] [ ] [ [just/dx/dy/][c|label] ] [ pen ] […
NAME grdtrend – Fit trend surface to grids and compute residuals SYNOPSIS grdtrend grdfile n_model[r] [ diff.nc ] [ region ] [ trend.nc ] [ weight.nc ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION grdtrend reads a 2-D grid file and fits a low-order polynomial trend to these…
NAME grdtrack – Sample grids at specified (x,y) locations SYNOPSIS grdtrack [ xyfile ] grd1 grd2 … [ f|p|m|r|R[+l] ] [ length[u]/ds[spacing][+a] ] [dfile ] [ line[,line,…][+aaz][+d][+iinc[u]][+llength[u]][+nnp][+oaz][+rradius[u] ] [ ] [ region ] [ method/modifiers ] [ [radius[u]][+e|p]] [ [level] ] [ ] [ -b<binary> ] [ -d<nodata> ] [ -f<flags> ] [ -g<gaps> ]…
NAME grdspotter – Create CVA image from a gravity or topography grid SYNOPSIS grdspotter [grdfile] rotfile CVAgrid increment region [ agegrid ] [ DIgrid ] [ IDgrid ] [ ] [ upper_age ] [ PAgrid ] [ IDinfo ] [ ] [ t|ufixed_val ] [ [ [level] ] [ n_try ]] [ -Zz_min[/z_max[/z_inc]] ] […
NAME grdseamount – Compute synthetic seamount (Gaussian or cone, circular or elliptical) bathymetry SYNOPSIS grdseamount [ intable ] increment region [ [out/in] ] [ c|d|g|p ] [ [unit] ] [ ] [ [flattening] ] [ grdfile ] [ [cut] ] [ list ] [ norm ] [ bmode/qmode ] [ scale ] [ t0[u][/t1[u]/dt[u]|n][+l] ]…
NAME grdsample – Resample a grid onto a new lattice SYNOPSIS grdsample in_grdfile out_grdfile [ increment ] [ region ] [ ] [ [level] ] [ -f<flags> ] [ -n<flags> ] [ -r ] [ -x[[-]n] ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION grdsample reads a grid…
NAME grdrotater – Finite rotation reconstruction of geographic grid SYNOPSIS grdrotate ingrdfile rot_file|lon/lat/angle outgrdfile [ rotoutline ] [ polygonfile ] [ ] [ region ] [ ] [ ages ] [ [level] ] [ -b<binary> ] [ -d<nodata> ] [ -h<headers> ] [ -i<flags> ] [ -n<flags> ] [ -:[i|o] ] Note: No space is…
NAME grdreformat – Converting between different grid file formats. SYNOPSIS grdreformat ingrdfile[=id[/scale/offset[/NaNvalue]]] outgrdfile[=id[/scale/offset[/NaNvalue]]] [ -N ] [ -Rwest/east/south/north[r] ] [ -f[i|o]colinfo ] [ -V ] DESCRIPTION grdreformat reads a grid file in one format and writes it out using another format. As an option the user may select a subset of the data to be…
NAME grdredpol – Compute the Continuous Reduction To the Pole, AKA differential RTP. SYNOPSIS grdredpol anom_grd rtp_grd [dec/dip] [ dec_grd/dipgrd] [ <m/n>] [ m|r] [ ] [ win_width] [ [level] ] [ year ] [ filtergrd ] [ [level] ] [ -n<flags> ] Note: No space is allowed between the option flag and the associated…
NAME grdraster – Extract subregion from a binary raster and save as a GMT grid SYNOPSIS grdraster [ filenumber | "text pattern" ] region [ grdfile ] [ increment ] [ parameters ] [ [level] ] [ -bo<binary> ] [ -do<nodata> ] [ -o<flags> ] Note: No space is allowed between the option flag and…
NAME grdproject – Forward and inverse map transformation of grids SYNOPSIS grdproject in_grdfile out_grdfile parameters [ [dx/dy] ] [ xinc[unit][=|+][/yinc[unit][=|+]] ] [ dpi ] [ [c|i|p|e|f|k|M|n|u] ] [ ] [ c|i|p ] [ region ] [ [level] ] [ -n<flags> ] [ -r ] Note: No space is allowed between the option flag and the…
NAME grdpmodeler – Evaluate a plate model on a geographic grid SYNOPSIS grdpmodeler agegrdfile rot_file -Sflags [ polygonfile ] [ outgrdfile ] [ age ] [ [level] ] [ -b<binary> ] [ -d<nodata> ] [ -h<headers> ] [ -i<flags> ] [ -:[i|o] ] Note: No space is allowed between the option flag and the associated…
NAME grdpaste – Join two grids along their common edge SYNOPSIS grdpaste file_a.nc file_b.nc outfile.nc [ [level] ] [ -f<flags> ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION grdpaste will combine file_a.nc and file_b.nc into outfile.nc by pasting them together along their common edge. Files file_a.nc and file_b.nc…
NAME grdmath – Reverse Polish Notation (RPN) calculator for grids (element by element) SYNOPSIS grdmath [ min_area[/min_level/max_level][+ag|i|s |S][+r|l][ppercent] ] [ resolution[+] ] [ increment ] [ ] [ ] [ region ] [ [level] ] [ -bi<binary> ] [ -di<nodata> ] [ -f<flags> ] [ -h<headers> ] [ -i<flags> ] [ -n<flags> ] [ -r…
NAME grdmask – Create mask grid from polygons or point coverage SYNOPSIS grdmask pathfiles mask_grd_file] increment region [ [m|p|x|y] ] [ [z|Z|p|P]values ] [ search_radius[unit] ] [ [level] ] [ -bi<binary> ] [ -di<nodata> ] [ -f<flags> ] [ -g<gaps> ] [ -h<headers> ] [ -i<flags> ] [ -r ] [ -x[[-]n] ] [ -:[i|o]…
NAME grdlandmask – "Create a ""wet-dry"" mask grid from shoreline data base" SYNOPSIS grdlandmask mask_grd_file xinc[unit][=|+][/yinc[unit][=|+]] west/east/south/north[r] [ min_area[/min_level/max_level][+ag|i|s |S][+r|l][ppercent] ] [ resolution[+] ] [ maskvalues[o] ] [ [level] ] [ -r ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION grdlandmask reads the selected shoreline database and uses…
NAME grdinfo – Extract information from grids SYNOPSIS grdinfo grdfiles [ ] [ ] [ [dx[/dy]|r|b] ] [ [0|1|2] ] [ ] [ region ] [ [s]dz ] [ [level] ] [ -f<flags> ] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION grdinfo reads a 2-D binary grid file…
NAME grdimage – Project grids or images and plot them on maps SYNOPSIS grdimage grd_z | grd_r grd_g grd_b [ out_img=driver ] [ cpt ] [ [r] ] [ i[|dpi] ] parameters [ [f|b]color ] [ intensfile|intensity ] [ z|-Zparameters ] [ ] [ ] [ ] [ ] [ ] [ ] [ west/east/south/north[/zmin/zmax][r]…
NAME grdhisteq – Perform histogram equalization for a grid SYNOPSIS grdhisteq in_grdfile [ out_grdfile ] [ n_cells ] [ [file] ] [ [norm] ] [ ] region [level] Note: No space is allowed between the option flag and the associated arguments. DESCRIPTION grdhisteq allows the user to find the data values which divide a given…
NAME grdgravmag3d – Compute the gravity effect of a grid by the method of Okabe SYNOPSIS grdgravmag3d grdfile_top [grdfile_bot] [ density ] [ thick ] [ xy_file ] [ outgrid ] [ <…> ] [ increment ] [ z_obs ] [ [nn_pad]|[pad_dist]|[<w/e/s/n>] ] [ region ] [ radius ] [ [level] ] [ level[b|t] ]…