Re: gnuplot: set terminal png

[Henry F. Mollet]

Thank you. How can I use a vector based format (e.g. PDF) on a webpage
instead of a GIF, PNG, or JPEG? I'd like the file to be displayed within an
html page, not downloaded as a PDF.
Henry


on 8/9/05 4:50 AM, Przemek Klosowski at address@hidden wrote:

> 
>    printing. Size of pdf was 52 kB and surprisingly? increased to 132 kB for
>    png file.
> 
> Not surprising at all---scientific graphics is mostly vector-based
> (lines, meshes and such) so it can be represented well in vector-based
> graphics languages, like Postscript, PDF, SVG, or even HPGL. Each line
> can be described by four numbers (coordinates of its endpoints);
> colored areas are efficiently described in terms of their enclosing
> polygons.
> 
> When translated into bitmap-based graphics formats like GIF, PNG,
> JPEG, etc, it is bound to increase in size: lines and polygons have to
> be decomposed into pixels, and every last pixel of the image has to be
> specified. Even with compression, this is almost always more information.
> 
> Moreover, to get nice printed image you need high resolution (printers
> nowadays are 600 or 1200 pixels per inch, or up to 134 megapixels per
> page).  The vector-based formats are nice because they display well at
> screen resolutions (72 dots per inch) as well as rendering precise,
> sharp printouts at 1200 dpi.
> 
> 
> 
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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