File: plotxy-main.c

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/*
 # This file is part of the Astrometry.net suite.
 # Licensed under a 3-clause BSD style license - see LICENSE
 */

#include <math.h>
#include <string.h>
#include <stdint.h>
#include <assert.h>

#include <cairo.h>
#include <cairo-pdf.h>

#include "plotstuff.h"
#include "plotxy.h"
#include "plotimage.h"
#include "xylist.h"
#include "boilerplate.h"
#include "cairoutils.h"
#include "log.h"
#include "errors.h"
#include "fitsioutils.h"
#include "ioutils.h"

#define OPTIONS "hvW:H:n:N:r:s:i:e:x:y:w:S:I:PC:X:Y:b:o:pJ"

static void printHelp(char* progname) {
    BOILERPLATE_HELP_HEADER(stdout);
    printf("\nUsage: %s [options] > output.png\n"
           "  -i <input-file>   Input file (xylist)\n"
           "  [-o <output-file>] (default: stdout)\n"
           "  [-I <image>   ]   Input image on which plotting will occur; PPM format.\n"
           "  [-p]: Input image is PNG format, not PPM.\n"
           "  [-P]              Write PPM output instead of PNG.\n"
           "  [-J]              Write PDF output.\n"
           "  [-W <width>   ]   Width of output image (default: data-dependent).\n"
           "  [-H <height>  ]   Height of output image (default: data-dependent).\n"
           "  [-x <x-offset>]   X offset: position of the bottom-left pixel (default: 1).\n"
           "  [-y <y-offset>]   Y offset: position of the bottom-left pixel (default: 1).\n"
           "  [-X <x-column-name>] X column: name of the FITS column.\n"
           "  [-Y <y-column-name>] Y column: name of the FITS column.\n"
           "  [-n <first-obj>]  First object to plot (default: 0).\n"
           "  [-N <num-objs>]   Number of objects to plot (default: all).\n"
           "  [-r <radius>]     Size of markers to plot (default: 5.0).\n"
           "  [-w <linewidth>]  Linewidth (default: 1.0).\n"
           "  [-s <shape>]      Shape of markers (default: circle):",
           progname);
    cairoutils_print_marker_names("\n                 ");
    printf("\n");
    printf("  [-C <color>]      Color to plot in: (default: white)\n");
    cairoutils_print_color_names("\n                 ");
    printf("\n");
    printf("  [-b <color>]      Draw in <color> behind each marker.\n"
           "  [-S <scale-factor>]  Scale xylist entries by this value before plotting.\n"
           "  [-e <extension>]  FITS extension to read (default 0).\n"
           "\n");
}


int main(int argc, char *args[]) {
    int argchar;
    char* progname = args[0];

    plot_args_t pargs;
    plotxy_t* xy;
    plotimage_t* img;
    int loglvl = LOG_MSG;

    // log errors to stderr, not stdout.
    errors_log_to(stderr);

    plotstuff_init(&pargs);
    pargs.fout = stdout;
    pargs.outformat = PLOTSTUFF_FORMAT_PNG;

    xy = plotstuff_get_config(&pargs, "xy");
    img = plotstuff_get_config(&pargs, "image");
    assert(xy);
    assert(img);

    plotstuff_set_color(&pargs, "white");
    plotstuff_set_bgcolor(&pargs, "black");
	
    img->format = PLOTSTUFF_FORMAT_PPM;

    while ((argchar = getopt(argc, args, OPTIONS)) != -1)
        switch (argchar) {
        case 'v':
            loglvl++;
            break;
        case 'C':
            plotstuff_set_color(&pargs, optarg);
            break;
        case 'b':
            plotstuff_set_bgcolor(&pargs, "optarg");
            break;
        case 'o':
            pargs.outfn = optarg;
            break;
        case 'X':
            plot_xy_set_xcol(xy, optarg);
            break;
        case 'Y':
            plot_xy_set_ycol(xy, optarg);
            break;
        case 'P':
            pargs.outformat = PLOTSTUFF_FORMAT_PPM;
            break;
        case 'J':
            pargs.outformat = PLOTSTUFF_FORMAT_PDF;
            break;
        case 'p':
            img->format = PLOTSTUFF_FORMAT_PNG;
            break;
        case 'I':
            plot_image_set_filename(img, optarg);
            break;
        case 'S':
            xy->scale = atof(optarg);
            break;
        case 'i':
            plot_xy_set_filename(xy, optarg);
            break;
        case 'x':
            xy->xoff = atof(optarg);
            break;
        case 'y':
            xy->yoff = atof(optarg);
            break;
        case 'W':
            pargs.W = atoi(optarg);
            break;
        case 'H':
            pargs.H = atoi(optarg);
            break;
        case 'n':
            xy->firstobj = atoi(optarg);
            break;
        case 'N':
            xy->nobjs = atoi(optarg);
            break;
        case 'e':
            xy->ext = atoi(optarg);
            break;
        case 'r':
            pargs.markersize = atof(optarg);
            break;
        case 'w':
            pargs.lw = atof(optarg);
            break;
        case 's':
            plotstuff_set_marker(&pargs, optarg);
            break;
        case 'h':
            printHelp(progname);
            exit(0);
        case '?':
        default:
            printHelp(progname);
            exit(-1);
        }

    if (optind != argc) {
        printHelp(progname);
        exit(-1);
    }
    if (!xy->fn) {
        printHelp(progname);
        exit(-1);
    }
    log_init(loglvl);
    log_to(stderr);
    fits_use_error_system();
    if (img->fn) {
        if (plot_image_setsize(&pargs, img)) {
            ERROR("Failed to set plot size from image");
            exit(-1);
        }
        plotstuff_run_command(&pargs, "image");
    } else {
        if (pargs.W == 0 || pargs.H == 0) {
            if (plot_xy_setsize(&pargs, xy)) {
                ERROR("Failed to set plot size from xylist");
                exit(-1);
            }
        }
    }

    plotstuff_run_command(&pargs, "xy");

    plotstuff_output(&pargs);
    plotstuff_free(&pargs);

    return 0;
}