Re: gmeta ---> .png

From: Mary Haley (haley@XXXXXX)
Date: Mon Oct 09 2000 - 08:58:33 MDT

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    >
    > man ctrans (in Sun Ultra 60, Solaris 7 version of Unix) says ...
    >
    > -d device Device name. ctrans will use the Graphcap (if it exists)
    > or the appropriate graphics library indicated by device; If device
    > is preceded by a UNIX directory path then ctrans will look in that
    > directory for the specified graphcap. Otherwise ctrans searches
    > the directory $NCARG_ROOT/lib/ncarg/graphcaps for the graphcap.
    >
    > How about trying this direct from gmeta to a .png (Portable
    > Network Graphics) plot format image file? Anyone know of such a
    > graphcap file which can let ctrans do this?. (Or how about .gif
    > (Graphics Image File), .jpg (JPEG Image File), .bmp (Windows
    > bitmap image file), or .pcx (ZSoft IBM PC Paintbrush file)?)

    To convert from a GMETA file to one of the formats you mention above,
    use ctrans to convert the GMETA file to a raster file, and then
    convert that raster file to the format you desire using one of many
    free tools that are available. For example, to convert from a GMETA
    to a GIF file, you could do the following:

     ctrans -d sun -res 600x600 gmeta | rasttopnm | ppmtogif > gmeta.gif

    The applications rasttopnm and ppmtogif are part of the netpbm package
    which is public domain software available at the URL:

            http://sourceforge.net/projects/netpbm/

    This is just one of many ways to do it. You can also use Image Tools

        ctrans -d sun gmeta > gmeta.sun
        imconv -infile gmeta.sun -outfile gmeta.gif

    Image Tools is available from the San Diego Supercomputer Center
    (SDSC):

       ftp://ftp.sdsc.edu/pub/sdsc/graphics/imtools/

    --Mary



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