#!/usr/bin/env bash
set -euo pipefail
export GMT_SESSION_NAME=$$
mkdir -p figures
gmt begin figures/GMT-18-003 png,pdf E200,H2,Qg4,Qt4 -C
gmt set GMT_AUTO_DOWNLOAD off MAP_FRAME_TYPE plain PROJ_LENGTH_UNIT cm FONT_ANNOT_PRIMARY 9p FONT_LABEL 10p FONT_TITLE 11p PS_LINE_CAP round PS_LINE_JOIN round COLOR_NAN gray85
gmt grdmath -R-4/4/-4/4 -I0.5 Y NEG = u.nc
gmt grdmath -R-4/4/-4/4 -I0.5 X = v.nc
gmt grdvector u.nc v.nc -R-4/4/-4/4 -JX11c -Ix2 -S4c -Q0.18c+e+n0.4c '-W0.6p,#00549f' '-G#00549f' -Bxa2g2+lx -Bya2g2+ly -BWSne
gmt basemap -B+t"GMT-18-003"
gmt end