Thanks Michael. This was very helpful
--- Michael Kay <mike@xxxxxxxxxxxx> wrote:

> In the expression
> 
>
count(ancestor::decisiontree_question=$stop_question)
> 
> the argument to count() is a boolean, not a
> node-set.
> 
> Perhaps you meant
> 
>
count(ancestor::decisiontree_question[.=$stop_question])
> 
> or perhaps not, since ancestor elements don't
> usually have a useful string
> value.
> 
> Michael Kay
> http://www.saxonica.com/ 
> 
> > -----Original Message-----
> > From: Sanjukta Mitra [mailto:sanmit27@xxxxxxxxx] 
> > Sent: 03 February 2005 15:48
> > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> > Subject:  New to XSLT: problem with passing
> param
> > 
> > Hi,
> > 
> > I am fairly new to XSLT and am trying to write a
> > stylesheet that will convert an XML decision tree
> to a
> > flowchart in SVG. This is a binomial decisiontree
> and
> > I am facing the problem of overlapping nodes.To
> solve
> > this I am trying to use a parameter that
> calculates
> > some positions in one template and passes it on to
> > another template.Can anyone please help me figure
> out
> > what I am doing wrong here.
> > 
> > Thanks
> > Sanjukta
> > 
> > I am getting the following error:
> > 
> > Error at xsl:param on line 211 of
> > file:/C:/REDworks/src/xslt/red2svg_testtree.xsl:
> > 
> >            The value is not a node-set
> > 
> >          Transformation failed: Run-time errors
> were
> > reported
> > 
> >  Line 211 is the line where I am defining the
> > parameter "Cnt"
> > 
> > 
> > Here goes the relevant portion of the code:
> > 
> > 
> > 
> > 
> > <xsl:template match="enumerated_type_ptr">
> >         <xsl:param name="XT"/>
> >         <xsl:param name="YT"/>
> >         <xsl:param name="XTxt"/>
> >         <xsl:param name="YTxt"/>
> >         <xsl:param name="rx" select="22"/>
> >         <xsl:param name="width" select="75"/>
> >         <xsl:param name="height" select="40"/>
> >         <xsl:param name="subtype"
> > select="id(@ptr)/title/@titleabbrev"/>
> >         <xsl:param name="subtype_length"
> > select="string-length($subtype)"/>
> >         <xsl:param name="stop_question"
> >
>
select="ancestor::decisiontree_question[../decisiontree_answer
> > [@answer='yes']][1]"/>
> >         <xsl:param name="Cnt"
> >
>
select="count(ancestor::decisiontree_answer[@answer='no'][coun
> > t(ancestor::decisiontree_question=$stop_question)
> > &gt;0])"/>
> >         <xsl:param name="Ctr" select="($Cnt)-1"/>
> >         <xsl:param name="X1"
> > select="($XT)-80-($Ctr)*140"/>
> >         <xsl:param name="Y1" select="($YT)-78"/>
> >         <xsl:param name="Variable_width"
> > select="($XT)+10"/>
> >         
> >       <svg:rect..../>
> > ..................
> >       <svg:text..../>
> >         
> >         <xsl:apply-templates
> > select="./decisiontree_answer[@answer='no']"
> > mode="No">
> > 	            <xsl:with-param name="X1"
> > select="($XT)-80-($Ctr)*140"/>
> > 	            <xsl:with-param name="Y1"
> > select="($YT)-78"/>
> > 	            <xsl:with-param name="Variable_width"
> > select="($XT)+10"/>
> >         </xsl:apply-templates>
> >         
> >         
> >     </xsl:template>
> > 
> > 
> > 
> > 
> > 
> > 		
> > __________________________________ 
> > Do you Yahoo!? 
> > Yahoo! Mail - Find what you need with new enhanced
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> 
> 



		
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