- Documented additional axis feature in tutorial

  # The tutorial documentation of the new features should be complete now.

1 files changed, 33 insertions, 0 deletions

diff --git a/docs/tutorial/tutorial_line_chart_additional_axis.php b/docs/tutorial/tutorial_line_chart_additional_axis.php
new file mode 100644
index 0000000..d06723a
--- /dev/null
+++ b/docs/tutorial/tutorial_line_chart_additional_axis.php
@@ -0,0 +1,33 @@
+<?php
+
+require_once 'tutorial_autoload.php';
+$wikidata = include 'tutorial_wikipedia_data.php';
+
+$graph = new ezcGraphLineChart();
+$graph->title = 'Wikipedia articles';
+
+// Add data
+foreach ( $wikidata as $language => $data )
+{
+    $graph->data[$language] = new ezcGraphArrayDataSet( $data );
+}
+
+$graph->yAxis->min = 0;
+
+// Use a different axis for the norwegian dataset
+$graph->additionalAxis['norwegian'] = $nAxis = new ezcGraphChartElementNumericAxis();
+$nAxis->position = ezcGraph::BOTTOM;
+$nAxis->chartPosition = 1;
+$nAxis->min = 0;
+
+$graph->data['Norwegian']->yAxis = $nAxis;
+
+// Still use the marker
+$graph->additionalAxis['border'] = $marker = new ezcGraphChartElementNumericAxis();
+
+$marker->position = ezcGraph::LEFT;
+$marker->chartPosition = 1 / 3;
+
+$graph->render( 400, 150, 'tutorial_line_chart_additional_axis.svg' );
+
+?>