Hi Manousos,
  Please try the following XSL -

<?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"/>
	
<xsl:template match="/SHAPE">
  <SHAPE>
    <xsl:copy-of select="ELEM_INFO"/>
    <xsl:variable name="x"
select="ELEM_INFO/ELEM_INFO_ITEM[1]"/>
    <xsl:variable name="y"
select="ELEM_INFO/ELEM_INFO_ITEM[4]"/>
    <xsl:variable name="z"
select="ELEM_INFO/ELEM_INFO_ITEM[7]"/>
    <COORDINATES>
       <xsl:for-each
select="COORDINATES/COORDINATES_ITEM">
	  <xsl:choose>
	    <xsl:when test="(position() = $x) or (position()
= $y) or (position() = $z)">
	      <COORDINATES_ITEM>
		<xsl:value-of select="concat('d',.)"/>
	      </COORDINATES_ITEM>
 	    </xsl:when>
  	    <xsl:otherwise>
 	      <COORDINATES_ITEM>
		<xsl:value-of select="."/>
	      </COORDINATES_ITEM>
	    </xsl:otherwise>
	  </xsl:choose>
       </xsl:for-each>
     </COORDINATES>
  </SHAPE>
</xsl:template>
	
</xsl:stylesheet>

Regards,
Mukul

--- mankar@xxxxxxxxxxxxxxx wrote:

> I was wondering if someone could, by the use of one
> stylesheet, select the
> values of the first,
> the fourth and the seventh <ELEM_INFO_ITEM> children
> of <ELEM_INFO>
> element. Note that the number
> of <ELEM_INFO_ITEM> nodes is not predefined.In this
> example there are
> exactly nine nodes, but
> in other cases there might be only three or twelve
> etch, but always number
> that is multiple of
> three.
> 
> I then would like to use the extracted values as
> counter values, to apply
> counting on
> the COORDINATE_ITEM nodeset and select specific
> COORDINATE_ITEM elements.In
> this example, based
> on the extracted values (1, 7 and 11 ), i would like
> to select the first,
> seventh and eleventh
> COORDINATE_ITEM elements content.
> 
> The source xml is the one following:
> 
> <SHAPE>
>   <ELEM_INFO>
>      <ELEM_INFO_ITEM>1</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>1001</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>5000</ELEM_INFO_ITEM>
> 
>      <ELEM_INFO_ITEM>7</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>1002</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>5000</ELEM_INFO_ITEM>
> 
>      <ELEM_INFO_ITEM>11</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>1003</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>5000</ELEM_INFO_ITEM>
>   </ELEM_INFO>
>  <COORDINATES>
>     <COORDINATES_ITEM>68</COORDINATES_ITEM>  !first
>     <COORDINATES_ITEM>54</COORDINATES_ITEM>
>     <COORDINATES_ITEM>72/COORDINATES_ITEM>
>     <COORDINATES_ITEM>65</COORDINATES_ITEM>
>     <COORDINATES_ITEM>83</COORDINATES_ITEM>
>     <COORDINATES_ITEM>17</COORDINATES_ITEM>
>     <COORDINATES_ITEM>20</COORDINATES_ITEM> 
> !seventh
>     <COORDINATES_ITEM>60</COORDINATES_ITEM>
>     <COORDINATES_ITEM>24</COORDINATES_ITEM>
>     <COORDINATES_ITEM>55</COORDINATES_ITEM>
>     <COORDINATES_ITEM>98</COORDINATES_ITEM> 
> !eleventh
>     <COORDINATES_ITEM>25</COORDINATES_ITEM>
>   <COORDINATES>
> </SHAPE>
> 
> Can this be achieved with the use of one and only
> stylesheet??The output i
> want to generate
> should be identical with the source, except for that
> the selected
> COORDINATE_ITEM elements
> will also contain a character like d for example,
> concatenated with their
> number value.That
> last thing is very easy with the use of concat, but
> what about the previous
> issues.They look
> quite heavy programmaticaly for xslt. Should i use
> variables??
> 
> 
> output xml
> 
> 
> <SHAPE>
>  <ELEM_INFO>
>      <ELEM_INFO_ITEM>1</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>1001</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>5000</ELEM_INFO_ITEM>
> 
>      <ELEM_INFO_ITEM>7</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>1002</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>5000</ELEM_INFO_ITEM>
> 
>      <ELEM_INFO_ITEM>11</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>1003</ELEM_INFO_ITEM>
>      <ELEM_INFO_ITEM>5000</ELEM_INFO_ITEM>
>   </ELEM_INFO>
>  <COORDINATES>
>     <COORDINATES_ITEM>d68</COORDINATES_ITEM> !first
>     <COORDINATES_ITEM>54</COORDINATES_ITEM>
>     <COORDINATES_ITEM>72/COORDINATES_ITEM>
>     <COORDINATES_ITEM>65</COORDINATES_ITEM>
>     <COORDINATES_ITEM>83</COORDINATES_ITEM>
>     <COORDINATES_ITEM>17</COORDINATES_ITEM>
>     <COORDINATES_ITEM>d20</COORDINATES_ITEM> 
> !seventh
>     <COORDINATES_ITEM>60</COORDINATES_ITEM>
>     <COORDINATES_ITEM>24</COORDINATES_ITEM>
>     <COORDINATES_ITEM>55</COORDINATES_ITEM>
>     <COORDINATES_ITEM>d98</COORDINATES_ITEM>
> !eleventh
>     <COORDINATES_ITEM>25</COORDINATES_ITEM>
>   <COORDINATES>
> </SHAPE>
> 
> 
> Regards
> Manousos
> Athens



		
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