{
    "mode": "man",
    "parameter": "pgmramp",
    "section": "1",
    "url": "https://www.chedong.com/phpMan.php/man/pgmramp/1/json",
    "generated": "2026-05-30T06:06:08Z",
    "synopsis": "pgmramp -lr|-tb | -rectangle|-ellipse width height",
    "sections": {
        "NAME": {
            "content": "pgmramp - generate a grayscale ramp\n",
            "subsections": []
        },
        "SYNOPSIS": {
            "content": "pgmramp -lr|-tb | -rectangle|-ellipse width height\n",
            "subsections": []
        },
        "DESCRIPTION": {
            "content": "Generates  a graymap of the specified size containing a black-to-white ramp.  These ramps are\nuseful for multiplying with other images, using the pnmarith tool.\n",
            "subsections": []
        },
        "OPTIONS": {
            "content": "",
            "subsections": [
                {
                    "name": "-lr",
                    "content": ""
                },
                {
                    "name": "-tb",
                    "content": ""
                },
                {
                    "name": "-rectangle",
                    "content": "A rectangular ramp.\n"
                },
                {
                    "name": "-ellipse",
                    "content": "An elliptical ramp.\n\nAll flags can be abbreviated to their shortest unique prefix.\n"
                }
            ]
        },
        "SEE ALSO": {
            "content": "pnmarith(1), pgm(5)\n",
            "subsections": []
        },
        "AUTHOR": {
            "content": "Copyright (C) 1989 by Jef Poskanzer.\n\n\n\n24 November 1989                                pgmramp(1)",
            "subsections": []
        }
    },
    "summary": "pgmramp - generate a grayscale ramp",
    "flags": [
        {
            "flag": "",
            "long": null,
            "arg": null,
            "description": ""
        },
        {
            "flag": "",
            "long": null,
            "arg": null,
            "description": ""
        },
        {
            "flag": "",
            "long": null,
            "arg": null,
            "description": "A rectangular ramp."
        },
        {
            "flag": "",
            "long": null,
            "arg": null,
            "description": "An elliptical ramp. All flags can be abbreviated to their shortest unique prefix."
        }
    ],
    "examples": [],
    "see_also": [
        {
            "name": "pnmarith",
            "section": "1",
            "url": "https://www.chedong.com/phpMan.php/man/pnmarith/1/json"
        },
        {
            "name": "pgm",
            "section": "5",
            "url": "https://www.chedong.com/phpMan.php/man/pgm/5/json"
        }
    ]
}