diff --git a/docs/02advanced/index.mdx b/docs/02advanced/index.mdx
deleted file mode 100644
index dd776d21a..000000000
--- a/docs/02advanced/index.mdx
+++ /dev/null
@@ -1,7 +0,0 @@
----
-sidebar_position: 3
----
-
-# 応用
-
-Python の基本的な書き方は学ぶことができたので、ここでは Python を用いて実際にさまざまなプログラムについて見ていきます。
diff --git a/docs/02advanced/01life-game/alive.drawio.svg b/docs/02algorithms/01life-game/alive.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/alive.drawio.svg
rename to docs/02algorithms/01life-game/alive.drawio.svg
diff --git a/docs/02advanced/01life-game/birth.drawio.svg b/docs/02algorithms/01life-game/birth.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/birth.drawio.svg
rename to docs/02algorithms/01life-game/birth.drawio.svg
diff --git a/docs/02advanced/01life-game/board_example.drawio.svg b/docs/02algorithms/01life-game/board_example.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/board_example.drawio.svg
rename to docs/02algorithms/01life-game/board_example.drawio.svg
diff --git a/docs/02advanced/01life-game/dead.drawio.svg b/docs/02algorithms/01life-game/dead.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/dead.drawio.svg
rename to docs/02algorithms/01life-game/dead.drawio.svg
diff --git a/docs/02advanced/01life-game/index.mdx b/docs/02algorithms/01life-game/index.mdx
similarity index 89%
rename from docs/02advanced/01life-game/index.mdx
rename to docs/02algorithms/01life-game/index.mdx
index baa855706..b1bdab2a4 100644
--- a/docs/02advanced/01life-game/index.mdx
+++ b/docs/02algorithms/01life-game/index.mdx
@@ -5,6 +5,7 @@ sidebar_position: 1
import ViewSource from "@site/src/components/ViewSource";
import Answer from "@site/src/components/Answer";
import LifeGame from "@site/src/components/LifeGame";
+import PlayArrowIcon from "@mui/icons-material/PlayArrow";
# ライフゲーム
@@ -86,7 +87,7 @@ import LifeGame from "@site/src/components/LifeGame";
## ライフゲームのプログラム
-早速、ライフゲームの Python でのプログラムを見てみましょう。この後、詳しく解説するので、分からなくても構いません。`Open in Colab` と書いてあるボタンを押してから実行して、実際に動く様子を確認してみてください。
+早速、ライフゲームの Python でのプログラムを見てみましょう。この後、詳しく解説するので、分からなくても構いません。ブラウザ上で動かせるようにしたので、ボタンを押して実際に動く様子を確認してみてください。
@@ -120,8 +121,10 @@ board = [[1, 1, 0],
+`neighbors_cnt in [2, 3]` は `neighbors_cnt == 2 or neighbors_cnt == 3` と同じです。
+
次に、次の世代の盤面を計算する関数を考えます。
-引数は `board` として、次の世代の様子を格納する配列を作ってそこに結果を格納していきましょう。配列の作り方はいろいろありますが、ここでは大学が用意した ita ライブラリを使いましょう。ita ライブラリを使うには、プログラムの冒頭に次のように書いてライブラリをインポートする必要があります。
+引数は `board` として、次の世代の様子を格納する配列を作ってそこに結果を格納していきましょう。配列の作り方はいろいろありますが、ここでは大学が用意した ita ライブラリを使いましょう。ita ライブラリを使うには、パッケージのインストールの項で述べたようにプログラムの冒頭に次のように書いてライブラリをインポートする必要があります。
```python
!pip install ita
@@ -158,7 +161,7 @@ ita.array.make1d(要素数)
まず、次のようなコードを書いておきましょう。これは、おまじないだと思ってください。Google Colaboratory 上でうまく表示するために、必要です。
```python
-%matplotlib notebook
+%matplotlib inline
```
次に、次のように書くことでサンプルデータを取得することができます。これはライフゲームにおいて有名なデータで、グライダーが移動していくように見えるものです。
@@ -167,7 +170,7 @@ ita.array.make1d(要素数)
data = ita.lifegame_glider()
```
-画像を作るのは、ita を使えば簡単です。三次元配列を次のように渡してあげれば、1 のところは黒で 0 のところは白にしてアニメーションをつくってくれます。
+画像を作るのは、ita ライブラリを使えば簡単です。三次元配列を次のように渡してあげれば、1 のところは黒で 0 のところは白にしてアニメーションをつくってくれます。
```python
ita.plot.animation_show(三次元配列)
diff --git a/docs/02advanced/01life-game/overpopulation1.drawio.svg b/docs/02algorithms/01life-game/overpopulation1.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/overpopulation1.drawio.svg
rename to docs/02algorithms/01life-game/overpopulation1.drawio.svg
diff --git a/docs/02advanced/01life-game/overpopulation2.drawio.svg b/docs/02algorithms/01life-game/overpopulation2.drawio.svg
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rename from docs/02advanced/01life-game/overpopulation2.drawio.svg
rename to docs/02algorithms/01life-game/overpopulation2.drawio.svg
diff --git a/docs/02advanced/01life-game/overpopulation3.drawio.svg b/docs/02algorithms/01life-game/overpopulation3.drawio.svg
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rename from docs/02advanced/01life-game/overpopulation3.drawio.svg
rename to docs/02algorithms/01life-game/overpopulation3.drawio.svg
diff --git a/docs/02advanced/01life-game/overpopulation4.drawio.svg b/docs/02algorithms/01life-game/overpopulation4.drawio.svg
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rename from docs/02advanced/01life-game/overpopulation4.drawio.svg
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diff --git a/docs/02advanced/01life-game/overpopulation5.drawio.svg b/docs/02algorithms/01life-game/overpopulation5.drawio.svg
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rename from docs/02advanced/01life-game/overpopulation5.drawio.svg
rename to docs/02algorithms/01life-game/overpopulation5.drawio.svg
diff --git a/docs/02advanced/01life-game/survive1.drawio.svg b/docs/02algorithms/01life-game/survive1.drawio.svg
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rename from docs/02advanced/01life-game/survive1.drawio.svg
rename to docs/02algorithms/01life-game/survive1.drawio.svg
diff --git a/docs/02advanced/01life-game/survive2.drawio.svg b/docs/02algorithms/01life-game/survive2.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/survive2.drawio.svg
rename to docs/02algorithms/01life-game/survive2.drawio.svg
diff --git a/docs/02advanced/01life-game/underpopulation1.drawio.svg b/docs/02algorithms/01life-game/underpopulation1.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/underpopulation1.drawio.svg
rename to docs/02algorithms/01life-game/underpopulation1.drawio.svg
diff --git a/docs/02advanced/01life-game/underpopulation2.drawio.svg b/docs/02algorithms/01life-game/underpopulation2.drawio.svg
similarity index 100%
rename from docs/02advanced/01life-game/underpopulation2.drawio.svg
rename to docs/02algorithms/01life-game/underpopulation2.drawio.svg
diff --git a/docs/02advanced/02image/black_to_green.png b/docs/02algorithms/02image/black_to_green.png
similarity index 100%
rename from docs/02advanced/02image/black_to_green.png
rename to docs/02algorithms/02image/black_to_green.png
diff --git a/docs/02advanced/02image/black_to_red.drawio.png b/docs/02algorithms/02image/black_to_red.drawio.png
similarity index 100%
rename from docs/02advanced/02image/black_to_red.drawio.png
rename to docs/02algorithms/02image/black_to_red.drawio.png
diff --git a/docs/02advanced/02image/gradation.png b/docs/02algorithms/02image/gradation.png
similarity index 100%
rename from docs/02advanced/02image/gradation.png
rename to docs/02algorithms/02image/gradation.png
diff --git a/docs/02advanced/02image/index.mdx b/docs/02algorithms/02image/index.mdx
similarity index 92%
rename from docs/02advanced/02image/index.mdx
rename to docs/02algorithms/02image/index.mdx
index 43a1dee4d..6f27e35fd 100644
--- a/docs/02advanced/02image/index.mdx
+++ b/docs/02algorithms/02image/index.mdx
@@ -11,7 +11,7 @@ Python で画像を表現してみましょう。
## 白黒の表現
-東京大学がアルゴリズム入門の授業用に作った `ita` ライブラリを使えば、簡単に画像を表現できます。
+大学がアルゴリズム入門の授業用に作った `ita` ライブラリを使えば、簡単に画像を表現できます。
次のように、0 と 1 が格納された二次元配列を作って、それを `ita` ライブラリの `image_show` 関数に与えれば、白黒の画像を表現できます。0 が黒、1 が白となります。
@@ -77,7 +77,11 @@ Python で画像を表現してみましょう。

-
+
+
+
+`配列.append(要素)` とすることで、配列の末尾に要素を追加できます。
+
### 練習問題 2
diff --git a/docs/02advanced/02image/lattice_pattern.drawio.svg b/docs/02algorithms/02image/lattice_pattern.drawio.svg
similarity index 100%
rename from docs/02advanced/02image/lattice_pattern.drawio.svg
rename to docs/02algorithms/02image/lattice_pattern.drawio.svg
diff --git a/docs/02advanced/02image/white_to_blue.png b/docs/02algorithms/02image/white_to_blue.png
similarity index 100%
rename from docs/02advanced/02image/white_to_blue.png
rename to docs/02algorithms/02image/white_to_blue.png
diff --git a/docs/02advanced/03simulation/01uniform_linear_motion/index.mdx b/docs/02algorithms/03simulation/01uniform_linear_motion/index.mdx
similarity index 94%
rename from docs/02advanced/03simulation/01uniform_linear_motion/index.mdx
rename to docs/02algorithms/03simulation/01uniform_linear_motion/index.mdx
index c9bc4cdef..e40afe119 100644
--- a/docs/02advanced/03simulation/01uniform_linear_motion/index.mdx
+++ b/docs/02algorithms/03simulation/01uniform_linear_motion/index.mdx
@@ -33,6 +33,8 @@ $$
+`int` 関数は引数に指定した数値を整数値にします。
+
:::note
この微分方程式は、次のようにすれば簡単に解けます。確かにこの結果を用いれば、簡単にプログラムを書けるので、差分方程式を使う必要性があまり感じられないかもしれません。しかし、世の中には解析的に解けない微分方程式も多いので、差分方程式を使って近似解を求めることも時には重要になってきます。
@@ -71,6 +73,8 @@ $$
+`配列.append(要素)` とすることで、配列の末尾に要素を追加できます。
+
物体のあるセルを白く塗る関数を作って、可視化してみましょう。
物体のある $x$ 座標と $y$ 座標を取得して、そこのセルだけ白く塗る関数を作ってみましょう。次のようになります。
diff --git a/docs/02advanced/03simulation/02parabolic_motion/index.mdx b/docs/02algorithms/03simulation/02parabolic_motion/index.mdx
similarity index 100%
rename from docs/02advanced/03simulation/02parabolic_motion/index.mdx
rename to docs/02algorithms/03simulation/02parabolic_motion/index.mdx
diff --git a/docs/02advanced/03simulation/03resisted_motion/index.mdx b/docs/02algorithms/03simulation/03resisted_motion/index.mdx
similarity index 100%
rename from docs/02advanced/03simulation/03resisted_motion/index.mdx
rename to docs/02algorithms/03simulation/03resisted_motion/index.mdx
diff --git a/docs/02advanced/03simulation/index.mdx b/docs/02algorithms/03simulation/index.mdx
similarity index 79%
rename from docs/02advanced/03simulation/index.mdx
rename to docs/02algorithms/03simulation/index.mdx
index 0cc42a7b5..57a744c56 100644
--- a/docs/02advanced/03simulation/index.mdx
+++ b/docs/02algorithms/03simulation/index.mdx
@@ -8,7 +8,9 @@ import DocCardList from "@theme/DocCardList";
今回は、物体の運動をシミュレーションしてみましょう。
-はじめに簡単なシミュレーションをして、その後複雑なシミュレーションを行いましょう。
+はじめは簡単なシミュレーションをして、その後複雑なシミュレーションを行います。
+
+
:::tip
@@ -17,5 +19,3 @@ import DocCardList from "@theme/DocCardList";
英語では simulation と綴るのを考えれば、すぐにわかりますね。
:::
-
-
diff --git a/docs/02advanced/04recursion/index.mdx b/docs/02algorithms/04recursion/index.mdx
similarity index 100%
rename from docs/02advanced/04recursion/index.mdx
rename to docs/02algorithms/04recursion/index.mdx
diff --git a/docs/02advanced/05order/index.mdx b/docs/02algorithms/05order/index.mdx
similarity index 100%
rename from docs/02advanced/05order/index.mdx
rename to docs/02algorithms/05order/index.mdx
diff --git a/docs/02advanced/06monte-carlo/index.mdx b/docs/02algorithms/06monte-carlo/index.mdx
similarity index 100%
rename from docs/02advanced/06monte-carlo/index.mdx
rename to docs/02algorithms/06monte-carlo/index.mdx
diff --git a/docs/02advanced/07search/binary-search-algorithm.drawio.svg b/docs/02algorithms/07search/binary-search-algorithm.drawio.svg
similarity index 100%
rename from docs/02advanced/07search/binary-search-algorithm.drawio.svg
rename to docs/02algorithms/07search/binary-search-algorithm.drawio.svg
diff --git a/docs/02advanced/07search/binary-search.drawio.svg b/docs/02algorithms/07search/binary-search.drawio.svg
similarity index 100%
rename from docs/02advanced/07search/binary-search.drawio.svg
rename to docs/02algorithms/07search/binary-search.drawio.svg
diff --git a/docs/02advanced/07search/index.mdx b/docs/02algorithms/07search/index.mdx
similarity index 95%
rename from docs/02advanced/07search/index.mdx
rename to docs/02algorithms/07search/index.mdx
index bafa8488d..9e810ef73 100644
--- a/docs/02advanced/07search/index.mdx
+++ b/docs/02algorithms/07search/index.mdx
@@ -69,7 +69,7 @@ students = [
次のようにして、簡単に計算することができますね。
-
+
このプログラムは、配列の先頭から順に目的の値と一致するかを調べていくようになっています。このようなデータの探索アルゴリズムは、線型探索と呼ばれます。
このプログラムの時間計算量は、$O(n)$ です。
@@ -81,7 +81,7 @@ students = [
例えば、数列が `[1, 2, 3, 4, 5, 5, 7, 8, 10]` で $N = 5$ ならば、4 となります。
-
+
## 二分探索
@@ -171,7 +171,7 @@ sequenceDiagram
次のようになります。
-
+
### 二分探索のライブラリ
@@ -179,11 +179,11 @@ sequenceDiagram
`bisect_left` 関数は、ある数を配列に挿入しようとした時、すでに配列に同じ数がある場合それらの数の中で最**小**の要素の左側に挿入した時のインデックスを返します。つまり、次のようになります。
-
+
`bisect_right` 関数は、ある数を配列に挿入しようとした時、すでに配列に同じ数がある場合それらの数の中で最**大**の要素の左側に挿入した時のインデックスを返します。つまり、次のようになります。
-
+
:::info
二分探索のアイディアは非常に簡単ですが、正確に実装することはとても難しいことで知られています。
@@ -206,7 +206,7 @@ sequenceDiagram
例えば、数列が `[1, 2, 3, 4, 5, 5, 7, 8, 10]` で $N = 5$ ならば、4 となります。
-
+
### 練習問題 2
@@ -216,5 +216,5 @@ sequenceDiagram
例えば、数列が `[1, 2, 3, 4, 5, 5, 7, 8, 10]` で $N = 5$ ならば、5 となります。
-
+
diff --git a/docs/02advanced/08sort/bubble-sort1.drawio.svg b/docs/02algorithms/08sort/bubble-sort1.drawio.svg
similarity index 100%
rename from docs/02advanced/08sort/bubble-sort1.drawio.svg
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rename from docs/02advanced/08sort/index.mdx
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rename from docs/02advanced/08sort/merge-sort3.drawio.svg
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diff --git a/docs/02advanced/08sort/sort-ex1.drawio.svg b/docs/02algorithms/08sort/sort-ex1.drawio.svg
similarity index 100%
rename from docs/02advanced/08sort/sort-ex1.drawio.svg
rename to docs/02algorithms/08sort/sort-ex1.drawio.svg
diff --git a/docs/02advanced/08sort/sort-ex2.drawio.svg b/docs/02algorithms/08sort/sort-ex2.drawio.svg
similarity index 100%
rename from docs/02advanced/08sort/sort-ex2.drawio.svg
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diff --git a/docs/02algorithms/index.mdx b/docs/02algorithms/index.mdx
new file mode 100644
index 000000000..0bb2b9387
--- /dev/null
+++ b/docs/02algorithms/index.mdx
@@ -0,0 +1,7 @@
+---
+sidebar_position: 3
+---
+
+# 様々なアルゴリズム
+
+Python の基礎は学ぶことができたので、ここからは Python を用いて実際にさまざまなアルゴリズムについて見ていきます。
diff --git a/static/life-game/life_game.ipynb b/static/life-game/life_game.ipynb
index 621c49b08..ea41b5ec8 100644
--- a/static/life-game/life_game.ipynb
+++ b/static/life-game/life_game.ipynb
@@ -18,14 +18,14 @@
"Requirement already satisfied: ita in /home/w/.local/lib/python3.10/site-packages (0.2.12)\n",
"Requirement already satisfied: numpy in /home/w/.local/lib/python3.10/site-packages (from ita) (1.23.3)\n",
"Requirement already satisfied: matplotlib in /home/w/.local/lib/python3.10/site-packages (from ita) (3.6.0)\n",
+ "Requirement already satisfied: python-dateutil>=2.7 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (2.8.2)\n",
"Requirement already satisfied: packaging>=20.0 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (21.3)\n",
- "Requirement already satisfied: pyparsing>=2.2.1 in /usr/lib/python3/dist-packages (from matplotlib->ita) (2.4.7)\n",
"Requirement already satisfied: pillow>=6.2.0 in /usr/lib/python3/dist-packages (from matplotlib->ita) (9.0.1)\n",
- "Requirement already satisfied: cycler>=0.10 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (0.11.0)\n",
- "Requirement already satisfied: python-dateutil>=2.7 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (2.8.2)\n",
- "Requirement already satisfied: fonttools>=4.22.0 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (4.37.4)\n",
"Requirement already satisfied: contourpy>=1.0.1 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (1.0.5)\n",
+ "Requirement already satisfied: pyparsing>=2.2.1 in /usr/lib/python3/dist-packages (from matplotlib->ita) (2.4.7)\n",
+ "Requirement already satisfied: fonttools>=4.22.0 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (4.37.4)\n",
"Requirement already satisfied: kiwisolver>=1.0.1 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (1.4.4)\n",
+ "Requirement already satisfied: cycler>=0.10 in /home/w/.local/lib/python3.10/site-packages (from matplotlib->ita) (0.11.0)\n",
"Requirement already satisfied: six>=1.5 in /usr/lib/python3/dist-packages (from python-dateutil>=2.7->matplotlib->ita) (1.16.0)\n"
]
}
@@ -35,7 +35,9 @@
{
"metadata": {},
"source": [
- "import ita"
+ "import ita\n",
+ "\n",
+ "%matplotlib inline"
],
"cell_type": "code",
"outputs": [],
@@ -87,7 +89,6 @@
" return results\n",
"\n",
"\n",
- "%matplotlib notebook\n",
"data = ita.lifegame_glider()\n",
"n = 20\n",
"images = life_game(data, n)\n",
@@ -95,28 +96,6 @@
],
"cell_type": "code",
"outputs": [
- {
- "output_type": "display_data",
- "data": {
- "application/javascript": "/* Put everything inside the global mpl namespace */\n/* global mpl */\nwindow.mpl = {};\n\nmpl.get_websocket_type = function () {\n if (typeof WebSocket !== 'undefined') {\n return WebSocket;\n } else if (typeof MozWebSocket !== 'undefined') {\n return MozWebSocket;\n } else {\n alert(\n 'Your browser does not have WebSocket support. ' +\n 'Please try Chrome, Safari or Firefox ≥ 6. ' +\n 'Firefox 4 and 5 are also supported but you ' +\n 'have to enable WebSockets in about:config.'\n );\n }\n};\n\nmpl.figure = function (figure_id, websocket, ondownload, parent_element) {\n this.id = figure_id;\n\n this.ws = websocket;\n\n this.supports_binary = this.ws.binaryType !== undefined;\n\n if (!this.supports_binary) {\n var warnings = document.getElementById('mpl-warnings');\n if (warnings) {\n warnings.style.display = 'block';\n warnings.textContent =\n 'This browser does not support binary websocket messages. ' +\n 'Performance may be slow.';\n }\n }\n\n this.imageObj = new Image();\n\n this.context = undefined;\n this.message = undefined;\n this.canvas = undefined;\n this.rubberband_canvas = undefined;\n this.rubberband_context = undefined;\n this.format_dropdown = undefined;\n\n this.image_mode = 'full';\n\n this.root = document.createElement('div');\n this.root.setAttribute('style', 'display: inline-block');\n this._root_extra_style(this.root);\n\n parent_element.appendChild(this.root);\n\n this._init_header(this);\n this._init_canvas(this);\n this._init_toolbar(this);\n\n var fig = this;\n\n this.waiting = false;\n\n this.ws.onopen = function () {\n fig.send_message('supports_binary', { value: fig.supports_binary });\n fig.send_message('send_image_mode', {});\n if (fig.ratio !== 1) {\n fig.send_message('set_device_pixel_ratio', {\n device_pixel_ratio: fig.ratio,\n });\n }\n fig.send_message('refresh', {});\n };\n\n this.imageObj.onload = function () {\n if (fig.image_mode === 'full') {\n // Full images could contain transparency (where diff images\n // almost always do), so we need to clear the canvas so that\n // there is no ghosting.\n fig.context.clearRect(0, 0, fig.canvas.width, fig.canvas.height);\n }\n fig.context.drawImage(fig.imageObj, 0, 0);\n };\n\n this.imageObj.onunload = function () {\n fig.ws.close();\n };\n\n this.ws.onmessage = this._make_on_message_function(this);\n\n this.ondownload = ondownload;\n};\n\nmpl.figure.prototype._init_header = function () {\n var titlebar = document.createElement('div');\n titlebar.classList =\n 'ui-dialog-titlebar ui-widget-header ui-corner-all ui-helper-clearfix';\n var titletext = document.createElement('div');\n titletext.classList = 'ui-dialog-title';\n titletext.setAttribute(\n 'style',\n 'width: 100%; text-align: center; padding: 3px;'\n );\n titlebar.appendChild(titletext);\n this.root.appendChild(titlebar);\n this.header = titletext;\n};\n\nmpl.figure.prototype._canvas_extra_style = function (_canvas_div) {};\n\nmpl.figure.prototype._root_extra_style = function (_canvas_div) {};\n\nmpl.figure.prototype._init_canvas = function () {\n var fig = this;\n\n var canvas_div = (this.canvas_div = document.createElement('div'));\n canvas_div.setAttribute(\n 'style',\n 'border: 1px solid #ddd;' +\n 'box-sizing: content-box;' +\n 'clear: both;' +\n 'min-height: 1px;' +\n 'min-width: 1px;' +\n 'outline: 0;' +\n 'overflow: hidden;' +\n 'position: relative;' +\n 'resize: both;'\n );\n\n function on_keyboard_event_closure(name) {\n return function (event) {\n return fig.key_event(event, name);\n };\n }\n\n canvas_div.addEventListener(\n 'keydown',\n on_keyboard_event_closure('key_press')\n );\n canvas_div.addEventListener(\n 'keyup',\n on_keyboard_event_closure('key_release')\n );\n\n this._canvas_extra_style(canvas_div);\n this.root.appendChild(canvas_div);\n\n var canvas = (this.canvas = document.createElement('canvas'));\n canvas.classList.add('mpl-canvas');\n canvas.setAttribute('style', 'box-sizing: content-box;');\n\n this.context = canvas.getContext('2d');\n\n var backingStore =\n this.context.backingStorePixelRatio ||\n this.context.webkitBackingStorePixelRatio ||\n this.context.mozBackingStorePixelRatio ||\n this.context.msBackingStorePixelRatio ||\n this.context.oBackingStorePixelRatio ||\n this.context.backingStorePixelRatio ||\n 1;\n\n this.ratio = (window.devicePixelRatio || 1) / backingStore;\n\n var rubberband_canvas = (this.rubberband_canvas = document.createElement(\n 'canvas'\n ));\n rubberband_canvas.setAttribute(\n 'style',\n 'box-sizing: content-box; position: absolute; left: 0; top: 0; z-index: 1;'\n );\n\n // Apply a ponyfill if ResizeObserver is not implemented by browser.\n if (this.ResizeObserver === undefined) {\n if (window.ResizeObserver !== undefined) {\n this.ResizeObserver = window.ResizeObserver;\n } else {\n var obs = _JSXTOOLS_RESIZE_OBSERVER({});\n this.ResizeObserver = obs.ResizeObserver;\n }\n }\n\n this.resizeObserverInstance = new this.ResizeObserver(function (entries) {\n var nentries = entries.length;\n for (var i = 0; i < nentries; i++) {\n var entry = entries[i];\n var width, height;\n if (entry.contentBoxSize) {\n if (entry.contentBoxSize instanceof Array) {\n // Chrome 84 implements new version of spec.\n width = entry.contentBoxSize[0].inlineSize;\n height = entry.contentBoxSize[0].blockSize;\n } else {\n // Firefox implements old version of spec.\n width = entry.contentBoxSize.inlineSize;\n height = entry.contentBoxSize.blockSize;\n }\n } else {\n // Chrome <84 implements even older version of spec.\n width = entry.contentRect.width;\n height = entry.contentRect.height;\n }\n\n // Keep the size of the canvas and rubber band canvas in sync with\n // the canvas container.\n if (entry.devicePixelContentBoxSize) {\n // Chrome 84 implements new version of spec.\n canvas.setAttribute(\n 'width',\n entry.devicePixelContentBoxSize[0].inlineSize\n );\n canvas.setAttribute(\n 'height',\n entry.devicePixelContentBoxSize[0].blockSize\n );\n } else {\n canvas.setAttribute('width', width * fig.ratio);\n canvas.setAttribute('height', height * fig.ratio);\n }\n canvas.setAttribute(\n 'style',\n 'width: ' + width + 'px; height: ' + height + 'px;'\n );\n\n rubberband_canvas.setAttribute('width', width);\n rubberband_canvas.setAttribute('height', height);\n\n // And update the size in Python. We ignore the initial 0/0 size\n // that occurs as the element is placed into the DOM, which should\n // otherwise not happen due to the minimum size styling.\n if (fig.ws.readyState == 1 && width != 0 && height != 0) {\n fig.request_resize(width, height);\n }\n }\n });\n this.resizeObserverInstance.observe(canvas_div);\n\n function on_mouse_event_closure(name) {\n return function (event) {\n return fig.mouse_event(event, name);\n };\n }\n\n rubberband_canvas.addEventListener(\n 'mousedown',\n on_mouse_event_closure('button_press')\n );\n rubberband_canvas.addEventListener(\n 'mouseup',\n on_mouse_event_closure('button_release')\n );\n rubberband_canvas.addEventListener(\n 'dblclick',\n on_mouse_event_closure('dblclick')\n );\n // Throttle sequential mouse events to 1 every 20ms.\n rubberband_canvas.addEventListener(\n 'mousemove',\n on_mouse_event_closure('motion_notify')\n );\n\n rubberband_canvas.addEventListener(\n 'mouseenter',\n on_mouse_event_closure('figure_enter')\n );\n rubberband_canvas.addEventListener(\n 'mouseleave',\n on_mouse_event_closure('figure_leave')\n );\n\n canvas_div.addEventListener('wheel', function (event) {\n if (event.deltaY < 0) {\n event.step = 1;\n } else {\n event.step = -1;\n }\n on_mouse_event_closure('scroll')(event);\n });\n\n canvas_div.appendChild(canvas);\n canvas_div.appendChild(rubberband_canvas);\n\n this.rubberband_context = rubberband_canvas.getContext('2d');\n this.rubberband_context.strokeStyle = '#000000';\n\n this._resize_canvas = function (width, height, forward) {\n if (forward) {\n canvas_div.style.width = width + 'px';\n canvas_div.style.height = height + 'px';\n }\n };\n\n // Disable right mouse context menu.\n this.rubberband_canvas.addEventListener('contextmenu', function (_e) {\n event.preventDefault();\n return false;\n });\n\n function set_focus() {\n canvas.focus();\n canvas_div.focus();\n }\n\n window.setTimeout(set_focus, 100);\n};\n\nmpl.figure.prototype._init_toolbar = function () {\n var fig = this;\n\n var toolbar = document.createElement('div');\n toolbar.classList = 'mpl-toolbar';\n this.root.appendChild(toolbar);\n\n function on_click_closure(name) {\n return function (_event) {\n return fig.toolbar_button_onclick(name);\n };\n }\n\n function on_mouseover_closure(tooltip) {\n return function (event) {\n if (!event.currentTarget.disabled) {\n return fig.toolbar_button_onmouseover(tooltip);\n }\n };\n }\n\n fig.buttons = {};\n var buttonGroup = document.createElement('div');\n buttonGroup.classList = 'mpl-button-group';\n for (var toolbar_ind in mpl.toolbar_items) {\n var name = mpl.toolbar_items[toolbar_ind][0];\n var tooltip = mpl.toolbar_items[toolbar_ind][1];\n var image = mpl.toolbar_items[toolbar_ind][2];\n var method_name = mpl.toolbar_items[toolbar_ind][3];\n\n if (!name) {\n /* Instead of a spacer, we start a new button group. */\n if (buttonGroup.hasChildNodes()) {\n toolbar.appendChild(buttonGroup);\n }\n buttonGroup = document.createElement('div');\n buttonGroup.classList = 'mpl-button-group';\n continue;\n }\n\n var button = (fig.buttons[name] = document.createElement('button'));\n button.classList = 'mpl-widget';\n button.setAttribute('role', 'button');\n button.setAttribute('aria-disabled', 'false');\n button.addEventListener('click', on_click_closure(method_name));\n button.addEventListener('mouseover', on_mouseover_closure(tooltip));\n\n var icon_img = document.createElement('img');\n icon_img.src = '_images/' + image + '.png';\n icon_img.srcset = '_images/' + image + '_large.png 2x';\n icon_img.alt = tooltip;\n button.appendChild(icon_img);\n\n buttonGroup.appendChild(button);\n }\n\n if (buttonGroup.hasChildNodes()) {\n toolbar.appendChild(buttonGroup);\n }\n\n var fmt_picker = document.createElement('select');\n fmt_picker.classList = 'mpl-widget';\n toolbar.appendChild(fmt_picker);\n this.format_dropdown = fmt_picker;\n\n for (var ind in mpl.extensions) {\n var fmt = mpl.extensions[ind];\n var option = document.createElement('option');\n option.selected = fmt === mpl.default_extension;\n option.innerHTML = fmt;\n fmt_picker.appendChild(option);\n }\n\n var status_bar = document.createElement('span');\n status_bar.classList = 'mpl-message';\n toolbar.appendChild(status_bar);\n this.message = status_bar;\n};\n\nmpl.figure.prototype.request_resize = function (x_pixels, y_pixels) {\n // Request matplotlib to resize the figure. Matplotlib will then trigger a resize in the client,\n // which will in turn request a refresh of the image.\n this.send_message('resize', { width: x_pixels, height: y_pixels });\n};\n\nmpl.figure.prototype.send_message = function (type, properties) {\n properties['type'] = type;\n properties['figure_id'] = this.id;\n this.ws.send(JSON.stringify(properties));\n};\n\nmpl.figure.prototype.send_draw_message = function () {\n if (!this.waiting) {\n this.waiting = true;\n this.ws.send(JSON.stringify({ type: 'draw', figure_id: this.id }));\n }\n};\n\nmpl.figure.prototype.handle_save = function (fig, _msg) {\n var format_dropdown = fig.format_dropdown;\n var format = format_dropdown.options[format_dropdown.selectedIndex].value;\n fig.ondownload(fig, format);\n};\n\nmpl.figure.prototype.handle_resize = function (fig, msg) {\n var size = msg['size'];\n if (size[0] !== fig.canvas.width || size[1] !== fig.canvas.height) {\n fig._resize_canvas(size[0], size[1], msg['forward']);\n fig.send_message('refresh', {});\n }\n};\n\nmpl.figure.prototype.handle_rubberband = function (fig, msg) {\n var x0 = msg['x0'] / fig.ratio;\n var y0 = (fig.canvas.height - msg['y0']) / fig.ratio;\n var x1 = msg['x1'] / fig.ratio;\n var y1 = (fig.canvas.height - msg['y1']) / fig.ratio;\n x0 = Math.floor(x0) + 0.5;\n y0 = Math.floor(y0) + 0.5;\n x1 = Math.floor(x1) + 0.5;\n y1 = Math.floor(y1) + 0.5;\n var min_x = Math.min(x0, x1);\n var min_y = Math.min(y0, y1);\n var width = Math.abs(x1 - x0);\n var height = Math.abs(y1 - y0);\n\n fig.rubberband_context.clearRect(\n 0,\n 0,\n fig.canvas.width / fig.ratio,\n fig.canvas.height / fig.ratio\n );\n\n fig.rubberband_context.strokeRect(min_x, min_y, width, height);\n};\n\nmpl.figure.prototype.handle_figure_label = function (fig, msg) {\n // Updates the figure title.\n fig.header.textContent = msg['label'];\n};\n\nmpl.figure.prototype.handle_cursor = function (fig, msg) {\n fig.rubberband_canvas.style.cursor = msg['cursor'];\n};\n\nmpl.figure.prototype.handle_message = function (fig, msg) {\n fig.message.textContent = msg['message'];\n};\n\nmpl.figure.prototype.handle_draw = function (fig, _msg) {\n // Request the server to send over a new figure.\n fig.send_draw_message();\n};\n\nmpl.figure.prototype.handle_image_mode = function (fig, msg) {\n fig.image_mode = msg['mode'];\n};\n\nmpl.figure.prototype.handle_history_buttons = function (fig, msg) {\n for (var key in msg) {\n if (!(key in fig.buttons)) {\n continue;\n }\n fig.buttons[key].disabled = !msg[key];\n fig.buttons[key].setAttribute('aria-disabled', !msg[key]);\n }\n};\n\nmpl.figure.prototype.handle_navigate_mode = function (fig, msg) {\n if (msg['mode'] === 'PAN') {\n fig.buttons['Pan'].classList.add('active');\n fig.buttons['Zoom'].classList.remove('active');\n } else if (msg['mode'] === 'ZOOM') {\n fig.buttons['Pan'].classList.remove('active');\n fig.buttons['Zoom'].classList.add('active');\n } else {\n fig.buttons['Pan'].classList.remove('active');\n fig.buttons['Zoom'].classList.remove('active');\n }\n};\n\nmpl.figure.prototype.updated_canvas_event = function () {\n // Called whenever the canvas gets updated.\n this.send_message('ack', {});\n};\n\n// A function to construct a web socket function for onmessage handling.\n// Called in the figure constructor.\nmpl.figure.prototype._make_on_message_function = function (fig) {\n return function socket_on_message(evt) {\n if (evt.data instanceof Blob) {\n var img = evt.data;\n if (img.type !== 'image/png') {\n /* FIXME: We get \"Resource interpreted as Image but\n * transferred with MIME type text/plain:\" errors on\n * Chrome. But how to set the MIME type? It doesn't seem\n * to be part of the websocket stream */\n img.type = 'image/png';\n }\n\n /* Free the memory for the previous frames */\n if (fig.imageObj.src) {\n (window.URL || window.webkitURL).revokeObjectURL(\n fig.imageObj.src\n );\n }\n\n fig.imageObj.src = (window.URL || window.webkitURL).createObjectURL(\n img\n );\n fig.updated_canvas_event();\n fig.waiting = false;\n return;\n } else if (\n typeof evt.data === 'string' &&\n evt.data.slice(0, 21) === 'data:image/png;base64'\n ) {\n fig.imageObj.src = evt.data;\n fig.updated_canvas_event();\n fig.waiting = false;\n return;\n }\n\n var msg = JSON.parse(evt.data);\n var msg_type = msg['type'];\n\n // Call the \"handle_{type}\" callback, which takes\n // the figure and JSON message as its only arguments.\n try {\n var callback = fig['handle_' + msg_type];\n } catch (e) {\n console.log(\n \"No handler for the '\" + msg_type + \"' message type: \",\n msg\n );\n return;\n }\n\n if (callback) {\n try {\n // console.log(\"Handling '\" + msg_type + \"' message: \", msg);\n callback(fig, msg);\n } catch (e) {\n console.log(\n \"Exception inside the 'handler_\" + msg_type + \"' callback:\",\n e,\n e.stack,\n msg\n );\n }\n }\n };\n};\n\n// from https://stackoverflow.com/questions/1114465/getting-mouse-location-in-canvas\nmpl.findpos = function (e) {\n //this section is from http://www.quirksmode.org/js/events_properties.html\n var targ;\n if (!e) {\n e = window.event;\n }\n if (e.target) {\n targ = e.target;\n } else if (e.srcElement) {\n targ = e.srcElement;\n }\n if (targ.nodeType === 3) {\n // defeat Safari bug\n targ = targ.parentNode;\n }\n\n // pageX,Y are the mouse positions relative to the document\n var boundingRect = targ.getBoundingClientRect();\n var x = e.pageX - (boundingRect.left + document.body.scrollLeft);\n var y = e.pageY - (boundingRect.top + document.body.scrollTop);\n\n return { x: x, y: y };\n};\n\n/*\n * return a copy of an object with only non-object keys\n * we need this to avoid circular references\n * https://stackoverflow.com/a/24161582/3208463\n */\nfunction simpleKeys(original) {\n return Object.keys(original).reduce(function (obj, key) {\n if (typeof original[key] !== 'object') {\n obj[key] = original[key];\n }\n return obj;\n }, {});\n}\n\nmpl.figure.prototype.mouse_event = function (event, name) {\n var canvas_pos = mpl.findpos(event);\n\n if (name === 'button_press') {\n this.canvas.focus();\n this.canvas_div.focus();\n }\n\n var x = canvas_pos.x * this.ratio;\n var y = canvas_pos.y * this.ratio;\n\n this.send_message(name, {\n x: x,\n y: y,\n button: event.button,\n step: event.step,\n guiEvent: simpleKeys(event),\n });\n\n /* This prevents the web browser from automatically changing to\n * the text insertion cursor when the button is pressed. We want\n * to control all of the cursor setting manually through the\n * 'cursor' event from matplotlib */\n event.preventDefault();\n return false;\n};\n\nmpl.figure.prototype._key_event_extra = function (_event, _name) {\n // Handle any extra behaviour associated with a key event\n};\n\nmpl.figure.prototype.key_event = function (event, name) {\n // Prevent repeat events\n if (name === 'key_press') {\n if (event.key === this._key) {\n return;\n } else {\n this._key = event.key;\n }\n }\n if (name === 'key_release') {\n this._key = null;\n }\n\n var value = '';\n if (event.ctrlKey && event.key !== 'Control') {\n value += 'ctrl+';\n }\n else if (event.altKey && event.key !== 'Alt') {\n value += 'alt+';\n }\n else if (event.shiftKey && event.key !== 'Shift') {\n value += 'shift+';\n }\n\n value += 'k' + event.key;\n\n this._key_event_extra(event, name);\n\n this.send_message(name, { key: value, guiEvent: simpleKeys(event) });\n return false;\n};\n\nmpl.figure.prototype.toolbar_button_onclick = function (name) {\n if (name === 'download') {\n this.handle_save(this, null);\n } else {\n this.send_message('toolbar_button', { name: name });\n }\n};\n\nmpl.figure.prototype.toolbar_button_onmouseover = function (tooltip) {\n this.message.textContent = tooltip;\n};\n\n///////////////// REMAINING CONTENT GENERATED BY embed_js.py /////////////////\n// prettier-ignore\nvar _JSXTOOLS_RESIZE_OBSERVER=function(A){var t,i=new WeakMap,n=new WeakMap,a=new WeakMap,r=new WeakMap,o=new Set;function s(e){if(!(this instanceof s))throw new TypeError(\"Constructor requires 'new' operator\");i.set(this,e)}function h(){throw new TypeError(\"Function is not a constructor\")}function c(e,t,i,n){e=0 in arguments?Number(arguments[0]):0,t=1 in arguments?Number(arguments[1]):0,i=2 in arguments?Number(arguments[2]):0,n=3 in arguments?Number(arguments[3]):0,this.right=(this.x=this.left=e)+(this.width=i),this.bottom=(this.y=this.top=t)+(this.height=n),Object.freeze(this)}function d(){t=requestAnimationFrame(d);var s=new WeakMap,p=new Set;o.forEach((function(t){r.get(t).forEach((function(i){var r=t instanceof window.SVGElement,o=a.get(t),d=r?0:parseFloat(o.paddingTop),f=r?0:parseFloat(o.paddingRight),l=r?0:parseFloat(o.paddingBottom),u=r?0:parseFloat(o.paddingLeft),g=r?0:parseFloat(o.borderTopWidth),m=r?0:parseFloat(o.borderRightWidth),w=r?0:parseFloat(o.borderBottomWidth),b=u+f,F=d+l,v=(r?0:parseFloat(o.borderLeftWidth))+m,W=g+w,y=r?0:t.offsetHeight-W-t.clientHeight,E=r?0:t.offsetWidth-v-t.clientWidth,R=b+v,z=F+W,M=r?t.width:parseFloat(o.width)-R-E,O=r?t.height:parseFloat(o.height)-z-y;if(n.has(t)){var k=n.get(t);if(k[0]===M&&k[1]===O)return}n.set(t,[M,O]);var S=Object.create(h.prototype);S.target=t,S.contentRect=new c(u,d,M,O),s.has(i)||(s.set(i,[]),p.add(i)),s.get(i).push(S)}))})),p.forEach((function(e){i.get(e).call(e,s.get(e),e)}))}return s.prototype.observe=function(i){if(i instanceof window.Element){r.has(i)||(r.set(i,new Set),o.add(i),a.set(i,window.getComputedStyle(i)));var n=r.get(i);n.has(this)||n.add(this),cancelAnimationFrame(t),t=requestAnimationFrame(d)}},s.prototype.unobserve=function(i){if(i instanceof window.Element&&r.has(i)){var n=r.get(i);n.has(this)&&(n.delete(this),n.size||(r.delete(i),o.delete(i))),n.size||r.delete(i),o.size||cancelAnimationFrame(t)}},A.DOMRectReadOnly=c,A.ResizeObserver=s,A.ResizeObserverEntry=h,A}; // eslint-disable-line\nmpl.toolbar_items = [[\"Home\", \"Reset original view\", \"fa fa-home\", \"home\"], [\"Back\", \"Back to previous view\", \"fa fa-arrow-left\", \"back\"], [\"Forward\", \"Forward to next view\", \"fa fa-arrow-right\", \"forward\"], [\"\", \"\", \"\", \"\"], [\"Pan\", \"Left button pans, Right button zooms\\nx/y fixes axis, CTRL fixes aspect\", \"fa fa-arrows\", \"pan\"], [\"Zoom\", \"Zoom to rectangle\\nx/y fixes axis\", \"fa fa-square-o\", \"zoom\"], [\"\", \"\", \"\", \"\"], [\"Download\", \"Download plot\", \"fa fa-floppy-o\", \"download\"]];\n\nmpl.extensions = [\"eps\", \"jpeg\", \"pgf\", \"pdf\", \"png\", \"ps\", \"raw\", \"svg\", \"tif\", \"webp\"];\n\nmpl.default_extension = \"png\";/* global mpl */\n\nvar comm_websocket_adapter = function (comm) {\n // Create a \"websocket\"-like object which calls the given IPython comm\n // object with the appropriate methods. Currently this is a non binary\n // socket, so there is still some room for performance tuning.\n var ws = {};\n\n ws.binaryType = comm.kernel.ws.binaryType;\n ws.readyState = comm.kernel.ws.readyState;\n function updateReadyState(_event) {\n if (comm.kernel.ws) {\n ws.readyState = comm.kernel.ws.readyState;\n } else {\n ws.readyState = 3; // Closed state.\n }\n }\n comm.kernel.ws.addEventListener('open', updateReadyState);\n comm.kernel.ws.addEventListener('close', updateReadyState);\n comm.kernel.ws.addEventListener('error', updateReadyState);\n\n ws.close = function () {\n comm.close();\n };\n ws.send = function (m) {\n //console.log('sending', m);\n comm.send(m);\n };\n // Register the callback with on_msg.\n comm.on_msg(function (msg) {\n //console.log('receiving', msg['content']['data'], msg);\n var data = msg['content']['data'];\n if (data['blob'] !== undefined) {\n data = {\n data: new Blob(msg['buffers'], { type: data['blob'] }),\n };\n }\n // Pass the mpl event to the overridden (by mpl) onmessage function.\n ws.onmessage(data);\n });\n return ws;\n};\n\nmpl.mpl_figure_comm = function (comm, msg) {\n // This is the function which gets called when the mpl process\n // starts-up an IPython Comm through the \"matplotlib\" channel.\n\n var id = msg.content.data.id;\n // Get hold of the div created by the display call when the Comm\n // socket was opened in Python.\n var element = document.getElementById(id);\n var ws_proxy = comm_websocket_adapter(comm);\n\n function ondownload(figure, _format) {\n window.open(figure.canvas.toDataURL());\n }\n\n var fig = new mpl.figure(id, ws_proxy, ondownload, element);\n\n // Call onopen now - mpl needs it, as it is assuming we've passed it a real\n // web socket which is closed, not our websocket->open comm proxy.\n ws_proxy.onopen();\n\n fig.parent_element = element;\n fig.cell_info = mpl.find_output_cell(\"
\");\n if (!fig.cell_info) {\n console.error('Failed to find cell for figure', id, fig);\n return;\n }\n fig.cell_info[0].output_area.element.on(\n 'cleared',\n { fig: fig },\n fig._remove_fig_handler\n );\n};\n\nmpl.figure.prototype.handle_close = function (fig, msg) {\n var width = fig.canvas.width / fig.ratio;\n fig.cell_info[0].output_area.element.off(\n 'cleared',\n fig._remove_fig_handler\n );\n fig.resizeObserverInstance.unobserve(fig.canvas_div);\n\n // Update the output cell to use the data from the current canvas.\n fig.push_to_output();\n var dataURL = fig.canvas.toDataURL();\n // Re-enable the keyboard manager in IPython - without this line, in FF,\n // the notebook keyboard shortcuts fail.\n IPython.keyboard_manager.enable();\n fig.parent_element.innerHTML =\n '';\n fig.close_ws(fig, msg);\n};\n\nmpl.figure.prototype.close_ws = function (fig, msg) {\n fig.send_message('closing', msg);\n // fig.ws.close()\n};\n\nmpl.figure.prototype.push_to_output = function (_remove_interactive) {\n // Turn the data on the canvas into data in the output cell.\n var width = this.canvas.width / this.ratio;\n var dataURL = this.canvas.toDataURL();\n this.cell_info[1]['text/html'] =\n '';\n};\n\nmpl.figure.prototype.updated_canvas_event = function () {\n // Tell IPython that the notebook contents must change.\n IPython.notebook.set_dirty(true);\n this.send_message('ack', {});\n var fig = this;\n // Wait a second, then push the new image to the DOM so\n // that it is saved nicely (might be nice to debounce this).\n setTimeout(function () {\n fig.push_to_output();\n }, 1000);\n};\n\nmpl.figure.prototype._init_toolbar = function () {\n var fig = this;\n\n var toolbar = document.createElement('div');\n toolbar.classList = 'btn-toolbar';\n this.root.appendChild(toolbar);\n\n function on_click_closure(name) {\n return function (_event) {\n return fig.toolbar_button_onclick(name);\n };\n }\n\n function on_mouseover_closure(tooltip) {\n return function (event) {\n if (!event.currentTarget.disabled) {\n return fig.toolbar_button_onmouseover(tooltip);\n }\n };\n }\n\n fig.buttons = {};\n var buttonGroup = document.createElement('div');\n buttonGroup.classList = 'btn-group';\n var button;\n for (var toolbar_ind in mpl.toolbar_items) {\n var name = mpl.toolbar_items[toolbar_ind][0];\n var tooltip = mpl.toolbar_items[toolbar_ind][1];\n var image = mpl.toolbar_items[toolbar_ind][2];\n var method_name = mpl.toolbar_items[toolbar_ind][3];\n\n if (!name) {\n /* Instead of a spacer, we start a new button group. */\n if (buttonGroup.hasChildNodes()) {\n toolbar.appendChild(buttonGroup);\n }\n buttonGroup = document.createElement('div');\n buttonGroup.classList = 'btn-group';\n continue;\n }\n\n button = fig.buttons[name] = document.createElement('button');\n button.classList = 'btn btn-default';\n button.href = '#';\n button.title = name;\n button.innerHTML = '';\n button.addEventListener('click', on_click_closure(method_name));\n button.addEventListener('mouseover', on_mouseover_closure(tooltip));\n buttonGroup.appendChild(button);\n }\n\n if (buttonGroup.hasChildNodes()) {\n toolbar.appendChild(buttonGroup);\n }\n\n // Add the status bar.\n var status_bar = document.createElement('span');\n status_bar.classList = 'mpl-message pull-right';\n toolbar.appendChild(status_bar);\n this.message = status_bar;\n\n // Add the close button to the window.\n var buttongrp = document.createElement('div');\n buttongrp.classList = 'btn-group inline pull-right';\n button = document.createElement('button');\n button.classList = 'btn btn-mini btn-primary';\n button.href = '#';\n button.title = 'Stop Interaction';\n button.innerHTML = '';\n button.addEventListener('click', function (_evt) {\n fig.handle_close(fig, {});\n });\n button.addEventListener(\n 'mouseover',\n on_mouseover_closure('Stop Interaction')\n );\n buttongrp.appendChild(button);\n var titlebar = this.root.querySelector('.ui-dialog-titlebar');\n titlebar.insertBefore(buttongrp, titlebar.firstChild);\n};\n\nmpl.figure.prototype._remove_fig_handler = function (event) {\n var fig = event.data.fig;\n if (event.target !== this) {\n // Ignore bubbled events from children.\n return;\n }\n fig.close_ws(fig, {});\n};\n\nmpl.figure.prototype._root_extra_style = function (el) {\n el.style.boxSizing = 'content-box'; // override notebook setting of border-box.\n};\n\nmpl.figure.prototype._canvas_extra_style = function (el) {\n // this is important to make the div 'focusable\n el.setAttribute('tabindex', 0);\n // reach out to IPython and tell the keyboard manager to turn it's self\n // off when our div gets focus\n\n // location in version 3\n if (IPython.notebook.keyboard_manager) {\n IPython.notebook.keyboard_manager.register_events(el);\n } else {\n // location in version 2\n IPython.keyboard_manager.register_events(el);\n }\n};\n\nmpl.figure.prototype._key_event_extra = function (event, _name) {\n // Check for shift+enter\n if (event.shiftKey && event.which === 13) {\n this.canvas_div.blur();\n // select the cell after this one\n var index = IPython.notebook.find_cell_index(this.cell_info[0]);\n IPython.notebook.select(index + 1);\n }\n};\n\nmpl.figure.prototype.handle_save = function (fig, _msg) {\n fig.ondownload(fig, null);\n};\n\nmpl.find_output_cell = function (html_output) {\n // Return the cell and output element which can be found *uniquely* in the notebook.\n // Note - this is a bit hacky, but it is done because the \"notebook_saving.Notebook\"\n // IPython event is triggered only after the cells have been serialised, which for\n // our purposes (turning an active figure into a static one), is too late.\n var cells = IPython.notebook.get_cells();\n var ncells = cells.length;\n for (var i = 0; i < ncells; i++) {\n var cell = cells[i];\n if (cell.cell_type === 'code') {\n for (var j = 0; j < cell.output_area.outputs.length; j++) {\n var data = cell.output_area.outputs[j];\n if (data.data) {\n // IPython >= 3 moved mimebundle to data attribute of output\n data = data.data;\n }\n if (data['text/html'] === html_output) {\n return [cell, data, j];\n }\n }\n }\n }\n};\n\n// Register the function which deals with the matplotlib target/channel.\n// The kernel may be null if the page has been refreshed.\nif (IPython.notebook.kernel !== null) {\n IPython.notebook.kernel.comm_manager.register_target(\n 'matplotlib',\n mpl.mpl_figure_comm\n );\n}\n",
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