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app.py

@@ -51,6 +51,11 @@ def molecule(input_pdb):
                 let viewer = $3Dmol.createViewer(element, config);
                 viewer.addModel(pdb, "pdb");
                 viewer.getModel(0).setStyle({}, {cartoon:{color:"spectrum"}});
+                viewer.addSurface($3Dmol.SurfaceType.VDW, {
+                    opacity:0.85,
+                    voldata: new $3Dmol.VolumeData(volumedata, "cube"),
+                    volscheme: new $3Dmol.Gradient.ROYGB(range[1],range[0])
+                },{});
                 viewer.zoomTo();
                 viewer.render();
                 viewer.zoom(0.8, 2000);