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-rw-r--r--lib/axlsx/drawing/bar_3D_chart.rb12
1 files changed, 6 insertions, 6 deletions
diff --git a/lib/axlsx/drawing/bar_3D_chart.rb b/lib/axlsx/drawing/bar_3D_chart.rb
index 37ac7dab..fe347d7c 100644
--- a/lib/axlsx/drawing/bar_3D_chart.rb
+++ b/lib/axlsx/drawing/bar_3D_chart.rb
@@ -123,14 +123,14 @@ module Axlsx
def to_xml_string(str = +'')
super(str) do
str << '<c:bar3DChart>'
- str << (+'<c:barDir val="' << bar_dir.to_s << '"/>')
- str << (+'<c:grouping val="' << grouping.to_s << '"/>')
- str << (+'<c:varyColors val="' << vary_colors.to_s << '"/>')
+ str << '<c:barDir val="' << bar_dir.to_s << '"/>'
+ str << '<c:grouping val="' << grouping.to_s << '"/>'
+ str << '<c:varyColors val="' << vary_colors.to_s << '"/>'
@series.each { |ser| ser.to_xml_string(str) }
@d_lbls.to_xml_string(str) if @d_lbls
- str << (+'<c:gapWidth val="' << @gap_width.to_s << '"/>') unless @gap_width.nil?
- str << (+'<c:gapDepth val="' << @gap_depth.to_s << '"/>') unless @gap_depth.nil?
- str << (+'<c:shape val="' << @shape.to_s << '"/>') unless @shape.nil?
+ str << '<c:gapWidth val="' << @gap_width.to_s << '"/>' unless @gap_width.nil?
+ str << '<c:gapDepth val="' << @gap_depth.to_s << '"/>' unless @gap_depth.nil?
+ str << '<c:shape val="' << @shape.to_s << '"/>' unless @shape.nil?
axes.to_xml_string(str, :ids => true)
str << '</c:bar3DChart>'
axes.to_xml_string(str)