Blurry images (the same image in different nodes)

@itayh wrote:

Hi,

Sometimes i have a weird issue - the same image is showing multiple times, but some of them are blurry and other not (see marked area in the image).
The omage itself is PNG.

This is how i defined the group header:

    $(go.Panel, "Vertical",  // title above Placeholder
      { name: "GroupHeader", cursor: "pointer" },
      $(go.Panel, "Horizontal", { 
    	  	stretch: go.GraphObject.Horizontal, 
    	  	padding: 4 },
     		$(go.Picture, new go.Binding("source", "images", function(e) { return e[0]})),
	    	$(go.Picture, new go.Binding("source", "images", function(e) { return e[1]})),
	    	
		$(go.TextBlock, {
            alignment: go.Spot.Left,
            editable: false,
			isMultiline: false,
            margin: 5,
            font: topologyBasicFont,
            stroke: "white"
          }, new go.Binding("text", "label")
      	), new go.Binding("background", "isExceptionEntity", function(d) { return (d == "true") ? exceptionBackground : groupHeaderBackground; })
      ),  // end Horizontal Panel
      $(go.Panel, "Auto", { 
    	  opacity: nodeOpacity, 
    	  }, $(go.Shape, "Rectangle", {
    		  // the rectangular shape around the members
        	  name: "GroupShape",
              strokeWidth: 1,
              fill: nodeBackground,
            }
         )
         ,$(go.Panel, "Vertical", { 
        	 	defaultAlignment: go.Spot.Center 
        	 },
	         $(go.Placeholder, { 
	         	 margin: go.Margin.parse("15 10 10 10"),
	         	 alignment: go.Spot.Center,
	         	 padding: 20,
	       	 })
         )
      )
    ),  // end Vertical Panel

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