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diff --git a/ds9/doc/ref/print.html b/ds9/doc/ref/print.html new file mode 100644 index 0000000..4ff3272 --- /dev/null +++ b/ds9/doc/ref/print.html @@ -0,0 +1,57 @@ +<!DOCTYPE doctype PUBLIC "-//w3c//dtd html 4.0 transitional//en"> +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; + charset=windows-1252"> + <meta name="GENERATOR" content="Mozilla/4.78 [en] (X11; U; Linux + 2.4.7-10 i686) [Netscape]"> + <title>Printing</title> + </head> + <body link="#0000ee" alink="#ff0000" bgcolor="#ffffff" text="#000000" + vlink="#551a8b"> + <h3><img alt="" src="../sun.gif" height="98" align="middle" + width="100"> Printing</h3> + <blockquote> + <p>DS9 provides strong Postscript printing support. This is not a + screen capture method, but a full level 1/2/3 postscript driver. + The postscript images generated are detailed and accurate as + possible, given the resolution of the data, and the printing + resolution. </p> + <p><b> Postscript Level</b></p> + <blockquote> + <p> Level 1-- The postscript generated consist of a color lookup + table and image data, encoded in <tt>ASCIIHEX</tt>. All line + graphics and text are postscript elements.</p> + <p> Level 2-- The postscript generated consist of a color lookup + table and image data, compressed with RLE, and encoded in <tt>ASCIIHEX85. + + + + + </tt>All line graphics and text are postscript elements.</p> + </blockquote> + <blockquote> + <p> Level 3-- The postscript generated consist of a color lookup + table and image data, compressed with GZIP<tt>. </tt>All line + graphics and text are postscript elements.</p> + </blockquote> + <p><b>Postscript Color Model</b></p> + <p>DS9 supports three color models for level 2/3 postscript. All + three color models generate approximately the same size files. </p> + <blockquote><tt> RGB<br> + CMYK<br> + Grayscale<br> + </tt></blockquote> + <p><b> Resolution</b></p> + <p>Unlike graphic elements, image data must be sampled when + encoded into postscript. The specified resolution parameter is + in "pixels per inch" and is independent of the current screen + resolution. A value of 96 maps to the current screen resolution. + Any value over 96 will over sample the image, while any value + under 96 will under sample. For high resolution printers and + posters, the higher resolution sampling, the better. However, + keep in mind the size of the postscript file grows with the + square of the increase in resolution.</p> + </blockquote> + </body> +</html> |