GUI -- Major Work-In-Progress
- Added dataLoadError to view token.
- Restructured code, viz:
(1) svg and force layout initialized in preload callback
(2) load callback initializes topo rendering
(3) subsequent data loads modify topo rendering
diff --git a/web/gui/src/main/webapp/topo2.css b/web/gui/src/main/webapp/topo2.css
index 88fcd94..eee9244 100644
--- a/web/gui/src/main/webapp/topo2.css
+++ b/web/gui/src/main/webapp/topo2.css
@@ -24,3 +24,6 @@
     opacity: 0.5;
 }
 
+svg .node {
+    fill: #03c;
+}
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