Node size and description of step 3 Visualize the Graph (#38)

* Node defaut size

* Update viz.js

Author: tommv

src/lib/graph.js

@@ -20,7 +20,7 @@ export const fields = Object.keys(fieldColors);
 export const metadataFields = fields.filter((field) => field !== "refs");
 
 const maxRefNodeSize = 1800;
-const maxMetadataNodeSize = 4000;
+const maxMetadataNodeSize = 20000;
 
 export const generateRefGraphProgress = van.state(0);
 

src/pages/viz.js

@@ -175,6 +175,9 @@ const Viz = () => {
   return main(
     { class: "c" },
     h1({ class: "center" }, "3. Visualize the Graph"),
+    p(
+        "Use the sliders to adjust the visualization: Step 1 calibrates the base-map network of references. Step 2 adjust the position of the metadata on the base-map"
+    ),
     div(
       { class: "flex-h", style: "justify-content: space-between" },
       sigmaContainer,