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Distribute the words more evenly over the volumes #14

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Distribute the words more evenly over the volumes #14

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7 changes: 6 additions & 1 deletion transformers/ch_sbs_dtbookInsertVolumeSplitPoints/insertVolumeSplitPoints.xsl
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,11 @@
<xsl:output method="xml" encoding="utf-8" indent="no"/>

<xsl:param name="number_of_volumes" select="1"/>
<!-- Generally the volumes do not seem to be filled to capacity with
the consequence that the last volume is overly full. So
increase the number of words per volume by some magic
percentage -->
<xsl:param name="words_per_volume_increase" select="0.04"/>
<xsl:param name="allowed_stretch" select="0.15"/>

<!-- Count the words in a given paragraph -->
Expand Down Expand Up @@ -99,7 +104,7 @@

<xsl:variable name="all_p" select="//dtb:p"/>
<xsl:variable name="total_words" select="sum(for $p in $all_p return func:wc($p))"/>
<xsl:variable name="words_per_volume" select="ceiling($total_words div number($number_of_volumes)) + 1"/>
<xsl:variable name="words_per_volume" select="ceiling($total_words div number($number_of_volumes)) * (1 + $words_per_volume_increase)"/>
<xsl:variable name="split_nodes" select="func:split($words_per_volume, $all_p)"/>

<xsl:param name="allowed_stretch_in_words" select="ceiling($words_per_volume * number($allowed_stretch))"/>
Expand Down