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($subtype)"/>
<xsl:param name="stop_question"
select="ancestor::decisiontree_question[../decisiontree_answer[(_at_)answer='yes']][1]"/>
<xsl:param name="Cnt"
select="count(ancestor::decisiontree_answer[(_at_)answer='no'][count(ancestor::decisiontree_question=$stop_question)
>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="($XT)+10"/>
<svg:rect..../>
..................
<svg:text..../>
<xsl:apply-templates
select="./decisiontree_answer[(_at_)answer='no']"
mode="No">
<xsl:with-param name="X1"
select="($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>
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