Name

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    PNG_WRITE.PRO

Purpose

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    Write out the contents of the currently active window as a .png
    file. If PNG_START is called before the graphics are generated
    the current device will be the z-buffer.

Category

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    Graphics

Calling Sequence

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    PNG_WRITE

Keyword Parameters

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    FILE: set this to your preferred filename. "idl.png" is the default.
    NO_X: Do not set the display device to x when finished. If you
            do not have a valid xdisplay setting the display to "x"
            causes an error.

Outputs

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    Writes a file.

Side Effects

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    Sets the graphics device to 'x' upon completion.

Example

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    PNG_Write, FILE='/home/ewiebe/mypath/myfile.png'

Modification History

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  Written by: Edward C. Wiebe, 2002-01-29.
      Modified: Edward C. Wiebe, 2002-04-29 (added NO_X)