there is an extension library for XSLT written by Dimitre Novatchev. You can find it at http://fxsl.sourceforge.net/. It contains for example trigonometric functions.
And if you really need XSLT for such an extreme logic, you can ask him - I'm sure he can help you with implementing the algorithm. But consider that XSLT was created for transforming XML trees into trees, not for calculating complex algorithms.
Regards,
Joerg
[EMAIL PROTECTED] wrote:
Hi all,
I am currently developing a histogram (svg) to be
included in the Cocoon portal.
The current solution for generation of the SVG code is
XSL only.
Now I would like to add an algorithm for
y-axis autoscaling (see 'pseudocode' below). I am not
sure how to do this in pure XSL e.g.
-is there a fract() function ? I know that a floor
function exists.
- But what about the loop ?
- What about passing variables to this code (and getting them back into the XSL script) ?
- Do I need further (script-)extensions to XSL to do this ?
Best regards,
Holger
*******************************************
iReg=1;
regA=10**floor((max-min)/#-of-tics);
<top loop>
iReg++;
reg9=regA*floor(min/regA);
reg8=reg9+#-of-tics*regA;
if(max>reg8){ (would exit the loop if <=)
if(fract(iReg/4)==0)
{regA=1.25*regA;}
else
{regA=2*regA;}
{
<bottom loop>
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