fix: issues with colors and legends for multiple stackedplots

Author: mfacchinelli

resources/release-notes.md

@@ -5,6 +5,7 @@
 
 ## Software
 
+- (All) Fix issues with colors and legends for multiple stackedplots
 - (IMAP) Check there is data before enabling auto-compression event in `mag.imap.view.Field`
 
 ## Package

src/visualize/+mag/+graphics/+chart/Stackedplot.m

@@ -38,8 +38,12 @@
 
             Ny = width(yData);
 
-            if isempty(this.Colors) || (Ny > size(this.Colors, 1))
+            if height(this.Colors) == 1
+                colors = repmat(this.Colors, Ny, 1);
+            elseif isempty(this.Colors) || (Ny > height(this.Colors))
                 error("Mismatch in number of colors for number of plots.");
+            else
+                colors = this.Colors;
             end
 
             % Check if layout already has a stack layout.
@@ -61,7 +65,7 @@
                 hold(ax, "on");
                 resetAxesHold = onCleanup(@() hold(ax, "off"));
 
-                graph(y) = plot(ax, xData, yData(:, y), this.MarkerStyle{:}, this.LineCustomization{:}, Color = this.Colors(y, :));
+                graph(y) = plot(ax, xData, yData(:, y), this.MarkerStyle{:}, this.LineCustomization{:}, Color = colors(y, :));
 
                 if this.EventsVisible && ~isempty(data.Properties.Events)
                     this.addEventsData(ax, data);

src/visualize/+mag/+graphics/+style/Stackedplot.m

@@ -49,17 +49,17 @@
             xlabel(axes, this.XLabel);
             xlim(axes, this.XLimits);
 
-            l = matlab.graphics.primitive.Text.empty(0, numel(axes));
+            t = matlab.graphics.primitive.Text.empty(0, numel(axes));
 
             if ~isempty(this.YLabels)
 
                 for i = 1:numel(this.YLabels)
-                    l(i) = ylabel(axes(i), this.YLabels(i));
+                    t(i) = ylabel(axes(i), this.YLabels(i));
                 end
             end
 
             if this.RotateLabels
-                [l.Rotation] = deal(0);
+                [t.Rotation] = deal(0);
             end
 
             ylim(axes, this.YLimits);
@@ -72,7 +72,7 @@
             this.applyGridStyle(axes);
 
             % Add legend.
-            l = this.applyLegendStyle(axes);
+            l = this.applyLegendStyle(axes(1));
 
             if ~isempty(l)
                 l.Layout.Tile = this.LegendLocation;