fix Bug 34547

common/Drawings/CommonController.js

@@ -3369,6 +3369,10 @@ DrawingObjectsController.prototype =
                         if(chart.view3D)
                         {
                             chart.setView3D(null);
+                            chartSettings.bLine = true;
+                            new_chart_type = new AscFormat.CLineChart();
+                            replaceChart(plot_area, chart_type, new_chart_type);
+                            checkSwapAxis(plot_area, chart_type, new_chart_type);
                         }
                         if(chart.floor)
                         {

common/Drawings/Format/ChartFormat.js

@@ -8479,6 +8479,9 @@ CLineSeries.prototype =
             if(this.spPr && this.spPr.Fill && this.spPr.Fill.fill && this.spPr.Fill.fill.type ===  window['Asc'].c_oAscFill.FILL_TYPE_NOFILL){
                 this.spPr.setFill(null);
             }
+            if(this.spPr && this.spPr.ln && this.spPr.ln && this.spPr.ln.Fill && this.spPr.ln.Fill.fill && this.spPr.ln.Fill.fill.type ===  window['Asc'].c_oAscFill.FILL_TYPE_NOFILL){
+                this.spPr.setLn(null);
+            }
         }
         if(other.trendline)
             this.setTrendline(other.trendline);