Fix polar scatter plot

Author: robertoffmoura

plotly/Test_plotlyfig.m

@@ -307,6 +307,39 @@ function testSurfacePlotData(tc)
             ), AbsTol=1e-15);
         end
 
+        function testPolarScatterData(tc)
+            fig = figure("Visible","off");
+            t = pi/4:pi/4:2*pi;
+            r = [19 6 12 18 16 11 15 15];
+            polarscatter(t,r)
+
+            p = plotlyfig(fig,"visible","off");
+
+            tc.verifyNumElements(p.data, 1);
+            tc.verifyEqual(p.data{1}, struct( ...
+                "subplot", 'polar2', ...
+                "type", 'scatterpolar', ...
+                "visible", true, ...
+                "name", '', ...
+                "r", r, ...
+                "theta", rad2deg(t), ...
+                "mode", 'markers', ...
+                "marker", struct( ...
+                    "sizeref", 1, ...
+                    "sizemode", 'area', ...
+                    "size", [36 36 36 36 36 36 36 36], ...
+                    "line", struct( ...
+                        "width", 0.75, ...
+                        "color", "rgb(0,114,189)" ...
+                    ), ...
+                    "symbol", 'circle', ...
+                    "color", "rgba(0,0,0,0)", ...
+                    "opacity", 1 ...
+                ), ...
+                "showlegend", true ...
+            ), AbsTol=1e-15);
+        end
+
         function testPolarPlotData(tc)
             fig = figure("Visible","off");
             t = 0:0.01:2*pi;

plotly/plotlyfig_aux/core/updateData.m

@@ -135,7 +135,7 @@
             case "quivergroup"
                 updateQuivergroup(obj, dataIndex);
             case "scatter"
-                if ismember("scatterpolar", lower(obj.PlotOptions.TreatAs))
+                if obj.State.Plot(dataIndex).AssociatedAxis.Type == "polaraxes"
                     updateScatterPolar(obj, dataIndex);
                 elseif obj.PlotlyDefaults.isGeoaxis
                     updateGeoScatter(obj, dataIndex);

plotly/plotlyfig_aux/handlegraphics/updateScatterPolar.m

@@ -33,7 +33,7 @@ function updateScatterPolar(obj, plotIndex)
 
     obj.data{plotIndex}.marker = markerStruct;
 
-    if length(markerStruct.size) == 1
+    if isscalar(markerStruct.size)
         obj.data{plotIndex}.marker.size = markerStruct.size * 0.2;
     end
 

plotly/plotlyfig_aux/helpers/extractScatterMarker.m

@@ -10,7 +10,7 @@
     %+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++%
 
     %-INITIALIZATIONS-%
-    axisData = ancestor(plotData.Parent, 'axes');
+    axisData = ancestor(plotData.Parent, ["Axes" "PolarAxes"]);
     figureData = ancestor(plotData.Parent, 'figure');
 
     marker = struct();
@@ -174,7 +174,12 @@
 function markerSize = getMarkerSize(plotData)
     markerSize = plotData.SizeData;
 
-    if length(markerSize) == 1
-        markerSize = markerSize * ones(size(plotData.XData));
+    if isscalar(markerSize)
+        if ~isempty(plotData.XData)
+            dataSize = size(plotData.XData);
+        else
+            dataSize = size(plotData.RData); % polar plot
+        end
+        markerSize = markerSize * ones(dataSize);
     end
 end