Merge pull request #272 from plotly/issue257

fix issue #257

Author: gilbertogalvis

plotly/plotlyfig_aux/handlegraphics/updateStem.m

@@ -61,4 +61,12 @@
 
 obj.data{dataIndex} = stem_temp_data;
 
+%------------------------------------------------------------------------%
+
+%-put y-zeroline-%
+[~, ysource] = findSourceAxis(obj,dataIndex);
+eval(['obj.layout.yaxis' num2str(ysource) '.zeroline = true;']);
+
+%------------------------------------------------------------------------%
+
 end

plotly/plotlyfig_aux/helpers/extractLineMarker.m

@@ -55,7 +55,9 @@
     end
 
     marker.symbol = marksymbol;
-    marker.maxdisplayed=length(line_data.MarkerIndices)+1;
+    if isfield(line_data, 'MarkerIndices')
+        marker.maxdisplayed=length(line_data.MarkerIndices)+1;
+    end
 end
 
 %-------------------------------------------------------------------------%