son("./{{topology}}/packingplan.json",
      function(data) {
        // if there are any errors display using dialog box
        if (data.status != "success" ) {
          console.log("Loading packing plan json failed!");
          return;
        }

        packingPlan = data.result;
        if (physicalPlan && logicalPlan && packingPlan) {
          startRendering();
        }
      }
    );

    function resizeDetailsSection() {
      const minSectionHeight = 350;  // Minimal height in pixel.
      var 