From 49bf0293608154676e18846c964d700b11a2ad7a Mon Sep 17 00:00:00 2001
From: nicgirault <nic.girault@gmail.com>
Date: Sat, 11 Mar 2017 09:10:11 +0100
Subject: [PATCH 1/2] test heatmap opacity

---
 src/tracks/Heatmap.test.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/tracks/Heatmap.test.js b/src/tracks/Heatmap.test.js
index 6755d88..a73fc29 100644
--- a/src/tracks/Heatmap.test.js
+++ b/src/tracks/Heatmap.test.js
@@ -23,7 +23,12 @@ describe('Heatmap', () => {
         {block_id: 'chr1', start: 1000001, end: 2000000, value: 2},
         {block_id: 'chr2', start: 0, end: 1000000, value: 3},
         {block_id: 'chr2', start: 1000001, end: 2000000, value: 4}
-      ])
+      ],
+      {
+        color: 'Spectral',
+        opacity: 0.8
+      }
+    )
     .render()
 
     const expectedColors = [
@@ -38,6 +43,7 @@ describe('Heatmap', () => {
     forEach(tiles.nodes(), (tileNode, i) => {
       const tile = select(tileNode)
       expect(tile.attr('fill')).to.equal(expectedColors[i])
+      expect(tile.attr('opacity')).to.equal('0.8')
     })
   })
 })

From eaf9bcd581768cfdf2c71ca68185fe1c76e45087 Mon Sep 17 00:00:00 2001
From: nicgirault <nic.girault@gmail.com>
Date: Sat, 11 Mar 2017 09:14:22 +0100
Subject: [PATCH 2/2] fix line example

---
 demo/line/index.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/demo/line/index.js b/demo/line/index.js
index 97618c2..dca66e2 100644
--- a/demo/line/index.js
+++ b/demo/line/index.js
@@ -20,7 +20,15 @@ var gieStainColor = {
 }
 
 var drawCircos = function (error, GRCh37, cytobands, snp250, snp, snp1m) {
-  cytobands = cytobands.map(function (d) {
+  GRCh37 = GRCh37.filter(function (d) {
+    return d.id === 'chr1' || d.id === 'chr2' || d.id === 'chr3'
+  })
+
+  cytobands = cytobands
+  .filter(function (d) {
+    return d.chrom === 'chr1' || d.chrom === 'chr2' || d.chrom === 'chr3'
+  })
+  .map(function (d) {
     return {
       block_id: d.chrom,
       start: parseInt(d.chromStart),