Subject: RE: RE: RE: [xsl] Unexpected results when creating an SVG pie chart From: "Christopher Jacob" <chris.jacob@xxxxxxxxxxxxx> Date: Mon, 7 Jun 2004 12:40:48 -0400 |
Thank you very much!!!! Duh! Let me go look over everything again, (specifically the calls to the Java function) FWIW I am using xalan. ~c -----Original Message----- From: cknell@xxxxxxxxxx [mailto:cknell@xxxxxxxxxx] Sent: Monday, June 07, 2004 12:38 PM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: RE: RE: [xsl] Unexpected results when creating an SVG pie chart I've looked a little more carefully and now see that the <xsl:for-each> was inside the variable and not used to process the SITE nodes. Your use of <xsl:for-each> in this situation is proper and my first impression was wrong. You are getting a <path> element for each pie slice, and each is of a different color. The problem with your display is that all slices are rotated at the same angle. The purple slice, being the last output and the largest, overlays all the previous ones. They are all beneath the purple slice on the z-axis. It looks like your problem lies in the computations for the rotation. I have never tried calling an external Java function in making a SVG file, so I can't be much help there. Which XSLT processor are you using and are you sure that you are calling the Java function according to its (the XSLT processor's) protocol? -- Charles Knell cknell@xxxxxxxxxx - email -----Original Message----- From: Christopher Jacob <chris.jacob@xxxxxxxxxxxxx> Sent: Mon, 7 Jun 2004 12:17:56 -0400 To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> Subject: RE: RE: [xsl] Unexpected results when creating an SVG pie chart Thank you for your help. I will start working on an implementation not using the <xsl:for-each>. To answer your question, I get the following output... (although only the purple slice is displayed) I know this isn't a SVG list, so please nobody take offence. I am just looking for suggestions. Thanks ~c ---svg--- <?xml version="1.0" encoding="UTF-8"?> <svg xmlns:xlink="http://www.w3.org/1999/xlink" viewbox="0 0 500 500" height="500" width="500"> <path style="fill:RED;stroke:black;stroke-width:1; fillrule:evenodd;stroke-linejoin:bevel;" transform="translate(150,150)rotate(270)" d="M 100 0 A 100 100 0 0 1 12.533323356430447 99.21147013144778 L 0 0 Z"/> <text style="text-anchor:middle" transform="translate(150,150) " x="46.29183057265562" y="-52.50777487413218">23%</text>23<path style="fill:YELLOW;stroke:black;stroke-width:1; fillrule:evenodd;stroke-linejoin:bevel;" transform="translate(150,150)rotate(270)" d="M 100 0 A 100 100 0 0 1 72.89686274214117 68.45471059286885 L 0 0 Z"/> <text style="text-anchor:middle" transform="translate(150,150) " x="25.76871868792744" y="-65.0843540121776">12%</text>12<path style="fill:GREEN;stroke:black;stroke-width:1; fillrule:evenodd;stroke-linejoin:bevel;" transform="translate(150,150)rotate(270)" d="M 100 0 A 100 100 0 0 1 24.868988716485497 96.85831611286311 L 0 0 Z"/> <text style="text-anchor:middle" transform="translate(150,150) " x="42.90349375570834" y="-55.31085086629834">21%</text>21<path style="fill:BLUE;stroke:black;stroke-width:1; fillrule:evenodd;stroke-linejoin:bevel;" transform="translate(150,150)rotate(270)" d="M 100 0 A 100 100 0 0 1 36.81245526846781 92.97764858882513 L 0 0 Z"/> <text style="text-anchor:middle" transform="translate(150,150) " x="39.345836449649134" y="-57.895640199219336">19%</text>19<path style="fill:PURPLE;stroke:black;stroke-width:1; fillrule:evenodd;stroke-linejoin:bevel;" transform="translate(150,150)rotate(270)" d="M 100 0 A 100 100 0 0 1 0.000000000000006123233995736766 100 L 0 0 Z"/> <text style="text-anchor:middle" transform="translate(150,150) " x="49.497474683058314" y="-49.497474683058336">25%</text>25</svg> --/svg-- -----Original Message----- From: cknell@xxxxxxxxxx [mailto:cknell@xxxxxxxxxx] Sent: Monday, June 07, 2004 12:08 PM To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx Subject: RE: RE: [xsl] Unexpected results when creating an SVG pie chart Taking a look at your XSLT, I thought that the only color you would get is RED. That's because in a <xsl:for-each> construct, there is exactly one node for each iteration. That means that the position() of that node will always be 1. Therefor you should only get the color that matches position()=1. Look at this stripped-down stylesheet. It doesn't use <xsl:for-each> and thus preserves the orginal position() values for each SITE.: <?xml version="1.0" encoding="UTF-8" ?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes" encoding="UTF-8" /> <xsl:template match="/"> <xsl:apply-templates /> </xsl:template> <xsl:template match="SITES"> <xsl:apply-templates select="SITE"/> </xsl:template> <xsl:template match="SITE"> <xsl:variable name="color"> <xsl:choose> <xsl:when test="position()=1">RED</xsl:when> <xsl:when test="position()=2">YELLOW</xsl:when> <xsl:when test="position()=3">GREEN</xsl:when> <xsl:when test="position()=4">BLUE</xsl:when> <xsl:when test="position()=5">PURPLE</xsl:when> <xsl:when test="position()=6">SILVER</xsl:when> <xsl:otherwise>BLACK</xsl:otherwise> </xsl:choose> </xsl:variable> <xsl:variable name="position" select="position()"/> <path style="fill:{$color}"><xsl:value-of select="@NAME" />--<xsl:value-of select="position()" /></path> </xsl:template> </xsl:stylesheet> Still, that doesn't answer the question of how you are getting PURPLE when it should be RED. When you process your transformation, does the SVG file have the the other slices and they simply don't appear when viewed with the SVG viewer, or are they not in the SVG file? There are probably other things going wrong, but the misuse of <xsl:for-each> is a hallmark of programmers new to XSLT. -- Charles Knell cknell@xxxxxxxxxx - email -----Original Message----- From: Christopher Jacob <chris.jacob@xxxxxxxxxxxxx> Sent: Mon, 7 Jun 2004 11:45:17 -0400 To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx> Subject: RE: [xsl] Unexpected results when creating an SVG pie chart I am getting a purple slice at 25% --+------------------------------------------------------------------ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list To unsubscribe, go to: http://lists.mulberrytech.com/xsl-list/ or e-mail: <mailto:xsl-list-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx> --+-- --+------------------------------------------------------------------ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list To unsubscribe, go to: http://lists.mulberrytech.com/xsl-list/ or e-mail: <mailto:xsl-list-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx> --+-- --+------------------------------------------------------------------ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list To unsubscribe, go to: http://lists.mulberrytech.com/xsl-list/ or e-mail: <mailto:xsl-list-unsubscribe@xxxxxxxxxxxxxxxxxxxxxx> --+--
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