Add function contour plot data test

robertoffmoura · robertoffmoura · commit b0ac8650dfe7 · 2025-04-07T12:11:15.000+01:00
diff --git a/plotly/Test_plotlyfig.m b/plotly/Test_plotlyfig.m
@@ -755,6 +755,46 @@ function testContourPlotData(tc)
             ), AbsTol=1e-16);
         end
 
+        function testFunctionContourPlotData(tc)
+            fig = figure("Visible","off");
+            fcontour(@(x,y) sin(3*x).*cos(x+y),[0 3 0 3],Fill="on",LineColor="k");
+            chartTitle = "f(x,y) = sin(3*x)*cos(x+y)";
+            title(chartTitle);
+            colormap("spring");
+
+            p = plotlyfig(fig,"visible","off");
+
+            tc.verifyNumElements(p.data, 1);
+            tc.verifyEqual(rmfield(p.data{1}, ["colorscale" "x" "y" "z"]), struct( ...
+                "xaxis", "x1", ...
+                "yaxis", "y1", ...
+                "name", '{sin}({3} {x}) {cos}({x}+{y})', ...
+                "type", 'contour', ...
+                "visible", true, ...
+                "xtype", 'array', ...
+                "ytype", 'array', ...
+                "autocontour", false, ...
+                "contours", struct( ...
+                    "start", -1, ...
+                    "end", 0.8, ...
+                    "size", 0.2, ...
+                    "coloring", 'fill' ...
+                ), ...
+                "zauto", false, ...
+                "zmin", -1, ...
+                "zmax", 0.8, ...
+                "showscale", false, ...
+                "reversescale", false, ...
+                "line", struct( ...
+                    "width", 0.5, ...
+                    "dash", 'solid', ...
+                    "color", "rgb(0,0,0)", ...
+                    "smoothing", 0 ...
+                ), ...
+                "showlegend", true ...
+            ), AbsTol=1e-2);
+        end
+
         function testStemPlotData(tc)
             fig = figure("Visible","off");
             x = 1:10;
