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	trename granular2pdf to granular2img and add options - granular - granular dyna…
	git clone git://src.adamsgaard.dk/granular
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	---
	commit 0f0410502efc06bc13ea71e1bfe0a3ac2ee32688
	parent 5899b209713d5b7860fdd7814c78b9645f731885
	Author: Anders Damsgaard <[email protected]>
	Date: Thu, 22 Apr 2021 21:02:07 +0200

	rename granular2pdf to granular2img and add options

	Diffstat:
	M Makefile \| 2 +-
	M granular.1 \| 2 +-
	A granular2img \| 31 +++++++++++++++++++++++++++++…
	A granular2img.1 \| 59 +++++++++++++++++++++++++++++…
	D granular2pdf \| 9 ---------
	D granular2pdf.1 \| 36 -----------------------------…
	M granular2vtu.1 \| 2 +-
	M granularpacking.1 \| 2 +-

	8 files changed, 94 insertions(+), 49 deletions(-)
	---
	diff --git a/Makefile b/Makefile
	t@@ -14,7 +14,7 @@ BIN = \
	granulargrain\
	granularpacking
	SCRIPTS = \
	- granular2pdf
	+ granular2img

	SRC = \
	arrays.c\
	diff --git a/granular.1 b/granular.1
	t@@ -61,7 +61,7 @@ error
	.Sh EXAMPLES
	.Dl $ granularpacking \| granular \| granular2vtk > out.vtk
	.Sh SEE ALSO
	-.Xr granular2pdf 1 ,
	+.Xr granular2img 1 ,
	.Xr granular2vtu 1 ,
	.Xr granularpacking 1 ,
	.Xr granular 5
	diff --git a/granular2img b/granular2img
	t@@ -0,0 +1,31 @@
	+#!/bin/sh
	+
	+usage() {
	+ printf 'usage: %s [-f field] [-h] [-l label] [-t term]\n' "${0##*/}" 1…
	+}
	+
	+field="1"
	+label="diameter [m]"
	+term="pdf"
	+while getopts 'f:hl:t:' arg; do
	+ case "${arg}" in
	+ f) field="${OPTARG}" ;;
	+ h) usage; exit 0 ;;
	+ l) label="${OPTARG}" ;;
	+ t) term="${OPTARG}" ;;
	+ *) usage; exit 1 ;;
	+ esac
	+done
	+shift $((OPTIND - 1))
	+if test $# != 0; then
	+ usage
	+ exit 1
	+fi
	+
	+awk -F' ' "{print \$2, \$3, \$1 / 2.0, \$${field}}" \
	+ \| gnuplot -e "set term ${term};\
	+ set xlabel 'x [m]';\
	+ set ylabel 'y [m]';\
	+ set cblabel '${label}';\
	+ set size ratio -1;\
	+ plot '-' with circles fill solid fillcolor p…
	diff --git a/granular2img.1 b/granular2img.1
	t@@ -0,0 +1,59 @@
	+.Dd $Mdocdate$
	+.Dt GRANULAR2IMG 1
	+.Os
	+.Sh NAME
	+.Nm granular2img
	+.Nd render granular data as image
	+.Sh SYNOPSIS
	+.Nm
	+.Op Fl f Ar field
	+.Op Fl h
	+.Op Fl l Ar label
	+.Op Fl t Ar term
	+.Sh DESCRIPTION
	+The
	+.Nm
	+utility reads
	+.Xr granular 5
	+formatted data and plots grains as an image file, e.g. pdf (default),
	+written to stdout.
	+.Pp
	+The options are as follows:
	+.Bl -tag -width Ds
	+.It Fl f Ar field
	+Specify the column number to use for grain coloring (default: 1
	+(diameter)).
	+.It Fl h
	+Show help text.
	+.It Fl l Ar label
	+Set the label text for the color bar (default: 'diameter [m]').
	+.It Fl t Ar term
	+Specify the
	+.Xr gnuplot 1
	+output terminal type, for example pdf (default), png, or dumb.
	+Use the command "help term" in gnuplot
	+.Xr gnuplot 1
	+to see the available terminals.
	+.El
	+.Sh EXIT STATUS
	+.Nm
	+exits 0 on success, and >0 if a runtime error occurs:
	+.Pp
	+.Bl -tag -width Ds -compact
	+.It 0
	+successful exit
	+.It 1
	+unspecified error
	+.El
	+.Sh EXAMPLES
	+.Dl $ granularpacking \| granular2img -t png > out.png
	+.Pp
	+.Dl $ granularpacking \| granular2img -f 2 -l 'x position [m]' \| zathura -
	+.Pp
	+.Dl $ granular2img < packing.tsv > out.pdf
	+.Sh SEE ALSO
	+.Xr gnuplot 1 ,
	+.Xr granular2vtu 1 ,
	+.Xr granular 5
	+.Sh AUTHORS
	+.An Anders Damsgaard Aq Mt [email protected]
	diff --git a/granular2pdf b/granular2pdf
	t@@ -1,9 +0,0 @@
	-#!/bin/sh
	-
	-awk -F' ' '{print $2, $3, $1 / 2.0, $1}' \
	- \| gnuplot -e "set term pdf;\
	- set xlabel 'x [m]';\
	- set ylabel 'y [m]';\
	- set cblabel 'diameter [m]';\
	- set size ratio -1;\
	- plot '-' with circles fill solid fillcolor p…
	diff --git a/granular2pdf.1 b/granular2pdf.1
	t@@ -1,36 +0,0 @@
	-.Dd $Mdocdate$
	-.Dt GRANULAR2PDF 1
	-.Os
	-.Sh NAME
	-.Nm granular2pdf
	-.Nd render granular data as PDF plot
	-.Sh SYNOPSIS
	-.Nm
	-.Sh DESCRIPTION
	-The
	-.Nm
	-utility reads
	-.Xr granular 5
	-formatted data and plots grains as a PDF file, written to stdout.
	-.Sh EXIT STATUS
	-.Nm
	-exits 0 on success, and >0 if a runtime error occurs:
	-.Pp
	-.Bl -tag -width Ds -compact
	-.It 0
	-successful exit
	-.It 1
	-unspecified error
	-.El
	-.Sh EXAMPLES
	-.Dl $ granularpacking \| granular2pdf > out.pdf
	-.Pp
	-.Dl $ granularpacking \| granular2pdf \| zathura -
	-.Pp
	-.Dl $ granular2pdf < packing.tsv > out.pdf
	-.Sh SEE ALSO
	-.Xr gnuplot 1 ,
	-.Xr granular2vtu 1 ,
	-.Xr granular 5
	-.Sh AUTHORS
	-.An Anders Damsgaard Aq Mt [email protected]
	diff --git a/granular2vtu.1 b/granular2vtu.1
	t@@ -31,7 +31,7 @@ error
	.Pp
	.Dl $ granular2vtu < packing.tsv > out.vtu
	.Sh SEE ALSO
	-.Xr granular2pdf 1 ,
	+.Xr granular2img 1 ,
	.Xr granular 5
	.Sh AUTHORS
	.An Anders Damsgaard Aq Mt [email protected]
	diff --git a/granularpacking.1 b/granularpacking.1
	t@@ -77,7 +77,7 @@ error
	.Sh EXAMPLES
	.Dl $ granularpacking \| granular2vtk > out.vtk
	.Sh SEE ALSO
	-.Xr granular2pdf 1 ,
	+.Xr granular2img 1 ,
	.Xr granular2vtu 1 ,
	.Xr granulargrain 1 ,
	.Xr granular 5