From a94101a19b225d8c70313a04bd97f0073c8ecda1 Mon Sep 17 00:00:00 2001
From: Jeffrey Baumes <jeff.baumes@kitware.com>
Date: Tue, 23 Jul 2019 14:11:58 -0400
Subject: [PATCH] Invert y axis, enable fixed sized nodes

---
 src/App.vue   | 4 ++--
 src/scales.js | 3 +++
 src/worker.js | 2 +-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/App.vue b/src/App.vue
index 1ae3b0f..829b1c8 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -25,7 +25,7 @@
       ></v-slider>
       <v-combobox
         v-model="sizeField"
-        :items="fields"
+        :items="['None', ...fields]"
         label="Size field"
         hide-details
       ></v-combobox>
@@ -222,7 +222,7 @@ export default {
         this.nodeCount = graph.nodes.length;
         this.edgeCount = graph.edges.length;
 
-        const ignoreFields = ['x', 'y', 'vx', 'vy'];
+        const ignoreFields = ['x', 'y', 'vx', 'vy', 'select'];
         this.fields = [];
         graph.nodes.forEach(n => {
           Object.keys(n).forEach(f => {
diff --git a/src/scales.js b/src/scales.js
index 39e79ff..f01bd1e 100644
--- a/src/scales.js
+++ b/src/scales.js
@@ -18,6 +18,9 @@ export function generateScale(arr, field, {area = null, min = -0.5, max = 0.5, i
 }
 
 export function generateSizeScale(arr, field, size) {
+  if (field === 'None') {
+    return () => 250 * size;
+  }
   const sizeScale = generateScale(arr, field, {min: 3, max: 500*500, invalid: 2});
   return d => Math.sqrt(sizeScale(d)) * size;
 }
diff --git a/src/worker.js b/src/worker.js
index 4d1110a..a19ef5e 100644
--- a/src/worker.js
+++ b/src/worker.js
@@ -135,7 +135,7 @@ onmessage = function(e) {
   }
   else if (e.data.type === 'yField') {
     yField = e.data.value;
-    y.y(scales.generateScale(simulation.nodes(), yField, {area: 1000}));
+    y.y(scales.generateScale(simulation.nodes(), yField, {min: 0.5, max: -0.5, area: 1000}));
   }
   else if (e.data.type === 'radialStrength') {
     simulation.force('radial', e.data.value ? radial : null);