lib/write_xlsx/chart/scatter.rb in write_xlsx-0.69.0 vs lib/write_xlsx/chart/scatter.rb in write_xlsx-0.70.0

@@ -39,10 +39,11 @@
         super(subtype)
         @subtype           = subtype || 'marker_only'
         @cross_between     = 'midCat'
         @horiz_val_axis    = 0
         @val_axis_position = 'b'
+        @smooth_allowed    = 1
       end
 
       #
       # Override the virtual superclass method with a chart specific method.
       #
@@ -121,11 +122,15 @@
           # Write the c:xVal element.
           write_x_val(series)
           # Write the c:yVal element.
           write_y_val(series)
           # Write the c:smooth element.
-          write_c_smooth
+          if @subtype =~ /smooth/ && !series[:_smooth]
+            write_c_smooth(1)
+          else
+            write_c_smooth(series[:_smooth])
+          end
         end
       end
 
       #
       # Over-ridden to have 2 valAx elements for scatter charts instead of
@@ -223,23 +228,9 @@
       #
       def write_scatter_style(val)
         attributes = ['val', val]
 
         @writer.empty_tag('c:scatterStyle', attributes)
-      end
-
-      #
-      # Write the <c:smooth> element.
-      #
-      def write_c_smooth
-        subtype = @subtype
-        val     = 1
-
-        return unless subtype =~ /smooth/
-
-        attributes = ['val', val]
-
-        @writer.empty_tag('c:smooth', attributes)
       end
 
       #
       # Add default formatting to the series data unless it has already been
       # specified by the user.