diff --git a/package-lock.json b/package-lock.json
index 84c6c01aa..e2afeb39f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3287,6 +3287,99 @@
                 "rw": "1"
             }
         },
+        "d3-dtree": {
+            "version": "2.0.2",
+            "resolved": "https://registry.npmjs.org/d3-dtree/-/d3-dtree-2.0.2.tgz",
+            "integrity": "sha1-NSgwAKhW97WZLC8N7cbHRD99qsM=",
+            "requires": {
+                "d3": "^4.5.0",
+                "lodash": "^4.0.0"
+            },
+            "dependencies": {
+                "d3": {
+                    "version": "4.13.0",
+                    "resolved": "https://registry.npmjs.org/d3/-/d3-4.13.0.tgz",
+                    "integrity": "sha512-l8c4+0SldjVKLaE2WG++EQlqD7mh/dmQjvi2L2lKPadAVC+TbJC4ci7Uk9bRi+To0+ansgsS0iWfPjD7DBy+FQ==",
+                    "requires": {
+                        "d3-array": "1.2.1",
+                        "d3-axis": "1.0.8",
+                        "d3-brush": "1.0.4",
+                        "d3-chord": "1.0.4",
+                        "d3-collection": "1.0.4",
+                        "d3-color": "1.0.3",
+                        "d3-dispatch": "1.0.3",
+                        "d3-drag": "1.2.1",
+                        "d3-dsv": "1.0.8",
+                        "d3-ease": "1.0.3",
+                        "d3-force": "1.1.0",
+                        "d3-format": "1.2.2",
+                        "d3-geo": "1.9.1",
+                        "d3-hierarchy": "1.1.5",
+                        "d3-interpolate": "1.1.6",
+                        "d3-path": "1.0.5",
+                        "d3-polygon": "1.0.3",
+                        "d3-quadtree": "1.0.3",
+                        "d3-queue": "3.0.7",
+                        "d3-random": "1.1.0",
+                        "d3-request": "1.0.6",
+                        "d3-scale": "1.0.7",
+                        "d3-selection": "1.3.0",
+                        "d3-shape": "1.2.0",
+                        "d3-time": "1.0.8",
+                        "d3-time-format": "2.1.1",
+                        "d3-timer": "1.0.7",
+                        "d3-transition": "1.1.1",
+                        "d3-voronoi": "1.1.2",
+                        "d3-zoom": "1.7.1"
+                    }
+                },
+                "d3-color": {
+                    "version": "1.0.3",
+                    "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.0.3.tgz",
+                    "integrity": "sha1-vHZD/KjlOoNH4vva/6I2eWtYUJs="
+                },
+                "d3-format": {
+                    "version": "1.2.2",
+                    "resolved": "https://registry.npmjs.org/d3-format/-/d3-format-1.2.2.tgz",
+                    "integrity": "sha512-zH9CfF/3C8zUI47nsiKfD0+AGDEuM8LwBIP7pBVpyR4l/sKkZqITmMtxRp04rwBrlshIZ17XeFAaovN3++wzkw=="
+                },
+                "d3-geo": {
+                    "version": "1.9.1",
+                    "resolved": "https://registry.npmjs.org/d3-geo/-/d3-geo-1.9.1.tgz",
+                    "integrity": "sha512-l9wL/cEQkyZQYXw3xbmLsH3eQ5ij+icNfo4r0GrLa5rOCZR/e/3am45IQ0FvQ5uMsv+77zBRunLc9ufTWSQYFA==",
+                    "requires": {
+                        "d3-array": "1"
+                    }
+                },
+                "d3-hierarchy": {
+                    "version": "1.1.5",
+                    "resolved": "https://registry.npmjs.org/d3-hierarchy/-/d3-hierarchy-1.1.5.tgz",
+                    "integrity": "sha1-ochFxC+Eoga88cAcAQmOpN2qeiY="
+                },
+                "d3-interpolate": {
+                    "version": "1.1.6",
+                    "resolved": "https://registry.npmjs.org/d3-interpolate/-/d3-interpolate-1.1.6.tgz",
+                    "integrity": "sha512-mOnv5a+pZzkNIHtw/V6I+w9Lqm9L5bG3OTXPM5A+QO0yyVMQ4W1uZhR+VOJmazaOZXri2ppbiZ5BUNWT0pFM9A==",
+                    "requires": {
+                        "d3-color": "1"
+                    }
+                },
+                "d3-scale": {
+                    "version": "1.0.7",
+                    "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-1.0.7.tgz",
+                    "integrity": "sha512-KvU92czp2/qse5tUfGms6Kjig0AhHOwkzXG0+PqIJB3ke0WUv088AHMZI0OssO9NCkXt4RP8yju9rpH8aGB7Lw==",
+                    "requires": {
+                        "d3-array": "^1.2.0",
+                        "d3-collection": "1",
+                        "d3-color": "1",
+                        "d3-format": "1",
+                        "d3-interpolate": "1",
+                        "d3-time": "1",
+                        "d3-time-format": "2"
+                    }
+                }
+            }
+        },
         "d3-ease": {
             "version": "1.0.3",
             "resolved": "https://registry.npmjs.org/d3-ease/-/d3-ease-1.0.3.tgz",
@@ -3352,11 +3445,27 @@
             "resolved": "https://registry.npmjs.org/d3-quadtree/-/d3-quadtree-1.0.3.tgz",
             "integrity": "sha1-rHmH4+I/6AWpkPKOG1DTj8uCJDg="
         },
+        "d3-queue": {
+            "version": "3.0.7",
+            "resolved": "https://registry.npmjs.org/d3-queue/-/d3-queue-3.0.7.tgz",
+            "integrity": "sha1-yTouVLQXwJWRKdfXP2z31Ckudhg="
+        },
         "d3-random": {
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/d3-random/-/d3-random-1.1.0.tgz",
             "integrity": "sha1-ZkLlBsb6OmSFldKyRpeIqNElKdM="
         },
+        "d3-request": {
+            "version": "1.0.6",
+            "resolved": "https://registry.npmjs.org/d3-request/-/d3-request-1.0.6.tgz",
+            "integrity": "sha512-FJj8ySY6GYuAJHZMaCQ83xEYE4KbkPkmxZ3Hu6zA1xxG2GD+z6P+Lyp+zjdsHf0xEbp2xcluDI50rCS855EQ6w==",
+            "requires": {
+                "d3-collection": "1",
+                "d3-dispatch": "1",
+                "d3-dsv": "1",
+                "xmlhttprequest": "1"
+            }
+        },
         "d3-scale": {
             "version": "2.0.0",
             "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-2.0.0.tgz",
diff --git a/package.json b/package.json
index d492c386c..3b80286b3 100644
--- a/package.json
+++ b/package.json
@@ -60,6 +60,7 @@
         "chartjs-plugin-datalabels": "0.3.0",
         "css-element-queries": "1.0.2",
         "d3": "^5.4.0",
+        "d3-dtree": "^2.0.2",
         "date-fns": "2.0.0-alpha.7",
         "favico.js": "0.3.10",
         "file-saver": "1.3.8",