From 3844a9a604b864691136d81298afb7d728f3547e Mon Sep 17 00:00:00 2001
From: Moritz Langenstein <ml5717@ic.ac.uk>
Date: Thu, 10 Oct 2019 21:33:02 +0100
Subject: [PATCH] (ml5717) Added smooth line drawing using d3 (currently entire
 package needed)

---
 package-lock.json | 828 ++++++++++++++++++++++++++++++----------------
 package.json      |   1 +
 src/app.js        |  15 +-
 3 files changed, 547 insertions(+), 297 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index f62d668..2e11d1a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -44,19 +44,10 @@
             "ms": "^2.1.1"
           }
         },
-        "json5": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/json5/-/json5-2.1.1.tgz",
-          "integrity": "sha512-l+3HXD0GEI3huGq1njuqtzYK8OYJyXMkOLtQ53pjWh89tvWS2h6l+1zMkYWqlb57+SiQodKZyvMEFb2X+KrFhQ==",
-          "dev": true,
-          "requires": {
-            "minimist": "^1.2.0"
-          }
-        },
-        "ms": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
           "dev": true
         }
       }
@@ -71,6 +62,14 @@
         "jsesc": "^2.5.1",
         "lodash": "^4.17.13",
         "source-map": "^0.5.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
       }
     },
     "@babel/helper-function-name": {
@@ -212,12 +211,6 @@
           "requires": {
             "ms": "^2.1.1"
           }
-        },
-        "ms": {
-          "version": "2.1.2",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-          "dev": true
         }
       }
     },
@@ -444,12 +437,6 @@
             "supports-color": "^5.3.0"
           }
         },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -470,14 +457,6 @@
         "callsites": "^3.0.0",
         "graceful-fs": "^4.1.15",
         "source-map": "^0.6.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
       }
     },
     "@jest/test-result": {
@@ -547,12 +526,6 @@
             "supports-color": "^5.3.0"
           }
         },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        },
         "supports-color": {
           "version": "5.5.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
@@ -876,9 +849,9 @@
       }
     },
     "acorn": {
-      "version": "6.3.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
-      "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+      "version": "5.7.3",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-5.7.3.tgz",
+      "integrity": "sha512-T/zvzYRfbVojPWahDsE5evJdHb3oJoQfFbsrKM7w5Zcs++Tr257tia3BmMP8XYVjp1S9RZXQMh7gao96BlqZOw==",
       "dev": true
     },
     "acorn-globals": {
@@ -889,6 +862,14 @@
       "requires": {
         "acorn": "^6.0.1",
         "acorn-walk": "^6.0.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+          "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+          "dev": true
+        }
       }
     },
     "acorn-walk": {
@@ -944,17 +925,6 @@
       "requires": {
         "micromatch": "^3.1.4",
         "normalize-path": "^2.1.1"
-      },
-      "dependencies": {
-        "normalize-path": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-2.1.1.tgz",
-          "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
-          "dev": true,
-          "requires": {
-            "remove-trailing-separator": "^1.0.1"
-          }
-        }
       }
     },
     "aproba": {
@@ -1321,6 +1291,26 @@
         "qs": "6.7.0",
         "raw-body": "2.4.0",
         "type-is": "~1.6.17"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        },
+        "qs": {
+          "version": "6.7.0",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
+          "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+        }
       }
     },
     "brace-expansion": {
@@ -1607,6 +1597,14 @@
         "path-is-absolute": "^1.0.0",
         "readdirp": "^2.2.1",
         "upath": "^1.1.1"
+      },
+      "dependencies": {
+        "normalize-path": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/normalize-path/-/normalize-path-3.0.0.tgz",
+          "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+          "dev": true
+        }
       }
     },
     "chownr": {
@@ -1763,8 +1761,7 @@
     "commander": {
       "version": "2.20.1",
       "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.1.tgz",
-      "integrity": "sha512-cCuLsMhJeWQ/ZpsFTbE765kvVfoeSddc4nU3up4fV+fDBcfUXnbITJ+JzhkdjzOqhURjZgujxaioam4RM9yGUg==",
-      "dev": true
+      "integrity": "sha512-cCuLsMhJeWQ/ZpsFTbE765kvVfoeSddc4nU3up4fV+fDBcfUXnbITJ+JzhkdjzOqhURjZgujxaioam4RM9yGUg=="
     },
     "commondir": {
       "version": "1.0.1",
@@ -1978,6 +1975,270 @@
       "integrity": "sha1-WW6WmP0MgOEgOMK4LW6xs1tiJNk=",
       "dev": true
     },
+    "d3": {
+      "version": "5.12.0",
+      "resolved": "https://registry.npmjs.org/d3/-/d3-5.12.0.tgz",
+      "integrity": "sha512-flYVMoVuhPFHd9zVCe2BxIszUWqBcd5fvQGMNRmSiBrgdnh6Vlruh60RJQTouAK9xPbOB0plxMvBm4MoyODXNg==",
+      "requires": {
+        "d3-array": "1",
+        "d3-axis": "1",
+        "d3-brush": "1",
+        "d3-chord": "1",
+        "d3-collection": "1",
+        "d3-color": "1",
+        "d3-contour": "1",
+        "d3-dispatch": "1",
+        "d3-drag": "1",
+        "d3-dsv": "1",
+        "d3-ease": "1",
+        "d3-fetch": "1",
+        "d3-force": "1",
+        "d3-format": "1",
+        "d3-geo": "1",
+        "d3-hierarchy": "1",
+        "d3-interpolate": "1",
+        "d3-path": "1",
+        "d3-polygon": "1",
+        "d3-quadtree": "1",
+        "d3-random": "1",
+        "d3-scale": "2",
+        "d3-scale-chromatic": "1",
+        "d3-selection": "1",
+        "d3-shape": "1",
+        "d3-time": "1",
+        "d3-time-format": "2",
+        "d3-timer": "1",
+        "d3-transition": "1",
+        "d3-voronoi": "1",
+        "d3-zoom": "1"
+      }
+    },
+    "d3-array": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/d3-array/-/d3-array-1.2.4.tgz",
+      "integrity": "sha512-KHW6M86R+FUPYGb3R5XiYjXPq7VzwxZ22buHhAEVG5ztoEcZZMLov530mmccaqA1GghZArjQV46fuc8kUqhhHw=="
+    },
+    "d3-axis": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/d3-axis/-/d3-axis-1.0.12.tgz",
+      "integrity": "sha512-ejINPfPSNdGFKEOAtnBtdkpr24c4d4jsei6Lg98mxf424ivoDP2956/5HDpIAtmHo85lqT4pruy+zEgvRUBqaQ=="
+    },
+    "d3-brush": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/d3-brush/-/d3-brush-1.1.3.tgz",
+      "integrity": "sha512-v8bbYyCFKjyCzFk/tdWqXwDykY8YWqhXYjcYxfILIit085VZOpj4XJKOMccTsvWxgzSLMJQg5SiqHjslsipEDg==",
+      "requires": {
+        "d3-dispatch": "1",
+        "d3-drag": "1",
+        "d3-interpolate": "1",
+        "d3-selection": "1",
+        "d3-transition": "1"
+      }
+    },
+    "d3-chord": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/d3-chord/-/d3-chord-1.0.6.tgz",
+      "integrity": "sha512-JXA2Dro1Fxw9rJe33Uv+Ckr5IrAa74TlfDEhE/jfLOaXegMQFQTAgAw9WnZL8+HxVBRXaRGCkrNU7pJeylRIuA==",
+      "requires": {
+        "d3-array": "1",
+        "d3-path": "1"
+      }
+    },
+    "d3-collection": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/d3-collection/-/d3-collection-1.0.7.tgz",
+      "integrity": "sha512-ii0/r5f4sjKNTfh84Di+DpztYwqKhEyUlKoPrzUFfeSkWxjW49xU2QzO9qrPrNkpdI0XJkfzvmTu8V2Zylln6A=="
+    },
+    "d3-color": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/d3-color/-/d3-color-1.4.0.tgz",
+      "integrity": "sha512-TzNPeJy2+iEepfiL92LAAB7fvnp/dV2YwANPVHdDWmYMm23qIJBYww3qT8I8C1wXrmrg4UWs7BKc2tKIgyjzHg=="
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+    "d3-contour": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/d3-contour/-/d3-contour-1.3.2.tgz",
+      "integrity": "sha512-hoPp4K/rJCu0ladiH6zmJUEz6+u3lgR+GSm/QdM2BBvDraU39Vr7YdDCicJcxP1z8i9B/2dJLgDC1NcvlF8WCg==",
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+    },
+    "d3-drag": {
+      "version": "1.2.4",
+      "resolved": "https://registry.npmjs.org/d3-drag/-/d3-drag-1.2.4.tgz",
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+      "requires": {
+        "d3-dispatch": "1",
+        "d3-selection": "1"
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+      "resolved": "https://registry.npmjs.org/d3-dsv/-/d3-dsv-1.1.1.tgz",
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+        "commander": "2",
+        "iconv-lite": "0.4",
+        "rw": "1"
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+    "d3-ease": {
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+        "d3-dispatch": "1",
+        "d3-quadtree": "1",
+        "d3-timer": "1"
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+      "requires": {
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+      "version": "1.1.8",
+      "resolved": "https://registry.npmjs.org/d3-hierarchy/-/d3-hierarchy-1.1.8.tgz",
+      "integrity": "sha512-L+GHMSZNwTpiq4rt9GEsNcpLa4M96lXMR8M/nMG9p5hBE0jy6C+3hWtyZMenPQdwla249iJy7Nx0uKt3n+u9+w=="
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+      "resolved": "https://registry.npmjs.org/d3-path/-/d3-path-1.0.8.tgz",
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+      "resolved": "https://registry.npmjs.org/d3-quadtree/-/d3-quadtree-1.0.6.tgz",
+      "integrity": "sha512-NUgeo9G+ENQCQ1LsRr2qJg3MQ4DJvxcDNCiohdJGHt5gRhBW6orIB5m5FJ9kK3HNL8g9F4ERVoBzcEwQBfXWVA=="
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+      "resolved": "https://registry.npmjs.org/d3-random/-/d3-random-1.1.2.tgz",
+      "integrity": "sha512-6AK5BNpIFqP+cx/sreKzNjWbwZQCSUatxq+pPRmFIQaWuoD+NrbVWw7YWpHiXpCQ/NanKdtGDuB+VQcZDaEmYQ=="
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+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-2.2.2.tgz",
+      "integrity": "sha512-LbeEvGgIb8UMcAa0EATLNX0lelKWGYDQiPdHj+gLblGVhGLyNbaCn3EvrJf0A3Y/uOOU5aD6MTh5ZFCdEwGiCw==",
+      "requires": {
+        "d3-array": "^1.2.0",
+        "d3-collection": "1",
+        "d3-format": "1",
+        "d3-interpolate": "1",
+        "d3-time": "1",
+        "d3-time-format": "2"
+      }
+    },
+    "d3-scale-chromatic": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/d3-scale-chromatic/-/d3-scale-chromatic-1.5.0.tgz",
+      "integrity": "sha512-ACcL46DYImpRFMBcpk9HhtIyC7bTBR4fNOPxwVSl0LfulDAwyiHyPOTqcDG1+t5d4P9W7t/2NAuWu59aKko/cg==",
+      "requires": {
+        "d3-color": "1",
+        "d3-interpolate": "1"
+      }
+    },
+    "d3-selection": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/d3-selection/-/d3-selection-1.4.0.tgz",
+      "integrity": "sha512-EYVwBxQGEjLCKF2pJ4+yrErskDnz5v403qvAid96cNdCMr8rmCYfY5RGzWz24mdIbxmDf6/4EAH+K9xperD5jg=="
+    },
+    "d3-shape": {
+      "version": "1.3.5",
+      "resolved": "https://registry.npmjs.org/d3-shape/-/d3-shape-1.3.5.tgz",
+      "integrity": "sha512-VKazVR3phgD+MUCldapHD7P9kcrvPcexeX/PkMJmkUov4JM8IxsSg1DvbYoYich9AtdTsa5nNk2++ImPiDiSxg==",
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       "requires": {
         "pify": "^3.0.0"
-      },
-      "dependencies": {
-        "pify": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-          "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-          "dev": true
-        }
       }
     },
     "pbkdf2": {
@@ -6236,9 +6409,9 @@
       "dev": true
     },
     "pify": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
-      "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
       "dev": true
     },
     "pinkie": {
@@ -6286,6 +6459,21 @@
         "async": "^1.5.2",
         "debug": "^2.2.0",
         "mkdirp": "0.5.x"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
       }
     },
     "posix-character-classes": {
@@ -6432,9 +6620,9 @@
       "dev": true
     },
     "qs": {
-      "version": "6.7.0",
-      "resolved": "https://registry.npmjs.org/qs/-/qs-6.7.0.tgz",
-      "integrity": "sha512-VCdBRNFTX1fyE7Nb6FYoURo/SPe62QCaAyzJvUjwRaIsc+NePBEniHlvxFmmX56+HZphIGtV0XeCirBtpDrTyQ=="
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
+      "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ="
     },
     "querystring": {
       "version": "0.2.0",
@@ -6785,6 +6973,11 @@
         "aproba": "^1.1.1"
       }
     },
+    "rw": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/rw/-/rw-1.3.3.tgz",
+      "integrity": "sha1-P4Yt+pGrdmsUiF700BEkv9oHT7Q="
+    },
     "rx": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/rx/-/rx-4.1.0.tgz",
@@ -6874,6 +7067,21 @@
         "statuses": "~1.5.0"
       },
       "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          },
+          "dependencies": {
+            "ms": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+            }
+          }
+        },
         "ms": {
           "version": "2.1.1",
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
@@ -7002,6 +7210,15 @@
         "use": "^3.1.0"
       },
       "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "dev": true,
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
         "define-property": {
           "version": "0.2.5",
           "resolved": "https://registry.npmjs.org/define-property/-/define-property-0.2.5.tgz",
@@ -7019,6 +7236,18 @@
           "requires": {
             "is-extendable": "^0.1.0"
           }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
         }
       }
     },
@@ -7100,9 +7329,9 @@
       "dev": true
     },
     "source-map": {
-      "version": "0.5.7",
-      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-      "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+      "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
       "dev": true
     },
     "source-map-resolve": {
@@ -7126,14 +7355,6 @@
       "requires": {
         "buffer-from": "^1.0.0",
         "source-map": "^0.6.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
       }
     },
     "source-map-url": {
@@ -7412,14 +7633,6 @@
         "commander": "^2.20.0",
         "source-map": "~0.6.1",
         "source-map-support": "~0.5.12"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
       }
     },
     "terser-webpack-plugin": {
@@ -7437,14 +7650,6 @@
         "terser": "^4.1.2",
         "webpack-sources": "^1.4.0",
         "worker-farm": "^1.7.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
       }
     },
     "test-exclude": {
@@ -7649,13 +7854,6 @@
           "integrity": "sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==",
           "dev": true,
           "optional": true
-        },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true,
-          "optional": true
         }
       }
     },
@@ -7665,13 +7863,6 @@
       "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
       "requires": {
         "qs": "~2.3.3"
-      },
-      "dependencies": {
-        "qs": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
-          "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ="
-        }
       }
     },
     "union-value": {
@@ -7936,6 +8127,14 @@
         "terser-webpack-plugin": "^1.4.1",
         "watchpack": "^1.6.0",
         "webpack-sources": "^1.4.1"
+      },
+      "dependencies": {
+        "acorn": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.3.0.tgz",
+          "integrity": "sha512-/czfa8BwS88b9gWQVhc8eknunSA2DoJpJyTQkhheIf5E48u1N0R4q/YxxsAeqRrmK9TQ/uYfgLDfZo91UlANIA==",
+          "dev": true
+        }
       }
     },
     "webpack-cli": {
@@ -7957,6 +8156,12 @@
         "yargs": "13.2.4"
       },
       "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
         "ansi-styles": {
           "version": "3.2.1",
           "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
@@ -7999,6 +8204,26 @@
             "tapable": "^1.0.0"
           }
         },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        },
         "supports-color": {
           "version": "6.1.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
@@ -8007,6 +8232,25 @@
           "requires": {
             "has-flag": "^3.0.0"
           }
+        },
+        "yargs": {
+          "version": "13.2.4",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.4.tgz",
+          "integrity": "sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==",
+          "dev": true,
+          "requires": {
+            "cliui": "^5.0.0",
+            "find-up": "^3.0.0",
+            "get-caller-file": "^2.0.1",
+            "os-locale": "^3.1.0",
+            "require-directory": "^2.1.1",
+            "require-main-filename": "^2.0.0",
+            "set-blocking": "^2.0.0",
+            "string-width": "^3.0.0",
+            "which-module": "^2.0.0",
+            "y18n": "^4.0.0",
+            "yargs-parser": "^13.1.0"
+          }
         }
       }
     },
@@ -8018,14 +8262,6 @@
       "requires": {
         "source-list-map": "^2.0.0",
         "source-map": "~0.6.1"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        }
       }
     },
     "webrtc-adapter": {
@@ -8205,22 +8441,21 @@
       "dev": true
     },
     "yargs": {
-      "version": "13.2.4",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.2.4.tgz",
-      "integrity": "sha512-HG/DWAJa1PAnHT9JAhNa8AbAv3FPaiLzioSjCcmuXXhP8MlpHO5vwls4g4j6n30Z74GVQj8Xa62dWVx1QCGklg==",
+      "version": "13.3.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.0.tgz",
+      "integrity": "sha512-2eehun/8ALW8TLoIl7MVaRUrg+yCnenu8B4kBlRxj3GJGDKU1Og7sMXPNm1BYyM1DOJmTZ4YeN/Nwxv+8XJsUA==",
       "dev": true,
       "requires": {
         "cliui": "^5.0.0",
         "find-up": "^3.0.0",
         "get-caller-file": "^2.0.1",
-        "os-locale": "^3.1.0",
         "require-directory": "^2.1.1",
         "require-main-filename": "^2.0.0",
         "set-blocking": "^2.0.0",
         "string-width": "^3.0.0",
         "which-module": "^2.0.0",
         "y18n": "^4.0.0",
-        "yargs-parser": "^13.1.0"
+        "yargs-parser": "^13.1.1"
       },
       "dependencies": {
         "ansi-regex": {
@@ -8267,6 +8502,21 @@
       "integrity": "sha1-e+wU1Zr+Fm1ozCsnQTGTwOW6ckw=",
       "requires": {
         "debug": "^2.6.3"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        },
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
+        }
       }
     }
   }
diff --git a/package.json b/package.json
index 8f4ee17..1b0599d 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
     "test-coverage": "jest --coverage"
   },
   "dependencies": {
+    "d3": "^5.12.0",
     "http-server": "^0.11.1",
     "peer": "git+https://github.com/peers/peerjs-server.git",
     "peerjs": "^1.1.0",
diff --git a/src/app.js b/src/app.js
index 9d426d0..30aab45 100644
--- a/src/app.js
+++ b/src/app.js
@@ -5,6 +5,7 @@ require("y-array")(Y)
 require("./y-webrtc")(Y)
 
 const uuidv4 = require("uuid/v4")
+const { line, curveBasis } = require("d3")
 
 Y({
   db: {
@@ -66,6 +67,11 @@ Y({
   var pathID
 
   function createOrUpdatePath(uid, points) {
+    const lineFn = line()
+      .x((d) => d[0])
+      .y((d) => d[1])
+      .curve(curveBasis)
+
     var path = paths.get(uid)
 
     if (path === undefined) {
@@ -89,13 +95,7 @@ Y({
       return path
     }
 
-    var pathString = "M" + points[0][0] + " " + points[0][1]
-
-    for (var i = 1; i < points.length; i++) {
-      pathString += " L" + points[i][0] + " " + points[i][1]
-    }
-
-    path.setAttribute("d", pathString)
+    path.setAttribute("d", lineFn(points))
 
     return path
   }
@@ -140,7 +140,6 @@ Y({
         lineEvent.value.observe(function(pointEvent) {
           switch (pointEvent.type) {
             case "insert":
-              console.log(pointEvent)
               createOrUpdatePath(lineID, pointEvent.object)
               break
           }
-- 
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