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alone-doc algraph
https://ruby-alone.org/wiki/
2026-04-16T09:10:42+00:00
alone-doc
https://ruby-alone.org/wiki/
https://ruby-alone.org/wiki/lib/tpl/dokuwiki/images/favicon.ico
-
text/html
2021-05-21T15:46:48+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:start
https://ruby-alone.org/wiki/doku.php?id=algraph:start&rev=1621579608&do=diff
AlGraph グラフモジュール
概要
* 折れ線グラフ、棒グラフ等のグラフ（チャート）を作成します。
* よくあるJavaScript等のライブラリと違い、サーバサイド(Ruby)でグラフを生成します。
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text/html
2021-05-21T17:17:29+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:xyグラフ
https://ruby-alone.org/wiki/doku.php?id=algraph:xy%E3%82%B0%E3%83%A9%E3%83%95&rev=1621585049&do=diff
XYグラフ
基本的な使い方
テンプレートファイル
<!DOCTYPE html>
<img src="<%= Alone.make_uri(action:'graph_sample') %>">
コード
require "alone"
require "al_graph_xy"
class GraphSampleController < AlController
def action_index()
AlTemplate.run("index.rhtml")
end
def action_graph_sample()
xdata = [1.0, 2.0, 3.0, 4.0, 5.0]
ydata = [1.0, 2.0, 3.0, 4.0, 5.0]
graph = AlGraphXY.new
graph.add_data(xdata, ydata)
graph.draw
end
end
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text/html
2021-05-10T11:41:44+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:カスタマイズ
https://ruby-alone.org/wiki/doku.php?id=algraph:%E3%82%AB%E3%82%B9%E3%82%BF%E3%83%9E%E3%82%A4%E3%82%BA&rev=1620614504&do=diff
カスタマイズ
グラフサイズ指定
graph = AlGraph.new( WIDTH, HEIGHT )
graph = AlGraph.new( 600, 300 )
グラフ全体を囲む枠線を消す
graph.at_graph_area[:stroke_width] = 0
マージンの指示
graph.set_margin(nil, nil, 50, nil)
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text/html
2019-04-07T19:37:38+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:円グラフ
https://ruby-alone.org/wiki/doku.php?id=algraph:%E5%86%86%E3%82%B0%E3%83%A9%E3%83%95&rev=1554633458&do=diff
円グラフ
基本的な使い方
テンプレートファイル
<!DOCTYPE html>
<img src="<%= Alone.make_uri(action:'graph_sample') %>">
コード
require 'alone'
require 'al_graph_pie'
class GraphSampleController < AlController
def action_index()
AlTemplate.run( 'index.rhtml' )
end
def action_graph_sample()
ydata1 = [5, 3, 6, 3, 2, 5, 6]
labels = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec']
graph = AlGraphPie.new
graph.add_data(ydata1, labels)
graph.draw
en…
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text/html
2021-05-21T17:34:47+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:対数グラフ
https://ruby-alone.org/wiki/doku.php?id=algraph:%E5%AF%BE%E6%95%B0%E3%82%B0%E3%83%A9%E3%83%95&rev=1621586087&do=diff
対数グラフ
基本的な使い方
テンプレートファイル
<!DOCTYPE html>
<img src="<%= Alone.make_uri(action:'graph_sample') %>">
コード
require "alone"
require "al_graph"
class GraphSampleController < AlController
def action_index()
AlTemplate.run("index.rhtml")
end
def action_graph_sample()
ydata1 = [ 0.1, 1, 10, 100 ]
graph = AlGraph.new
graph.y_axis.logarithmic()
graph.add_data_line(ydata1)
graph.draw
end
end
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text/html
2019-04-07T19:36:17+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:折れ線と棒グラフの重ねあわせ
https://ruby-alone.org/wiki/doku.php?id=algraph:%E6%8A%98%E3%82%8C%E7%B7%9A%E3%81%A8%E6%A3%92%E3%82%B0%E3%83%A9%E3%83%95%E3%81%AE%E9%87%8D%E3%81%AD%E3%81%82%E3%82%8F%E3%81%9B&rev=1554633377&do=diff
折れ線と棒グラフの重ね合わせ
テンプレートファイル
<!DOCTYPE html>
<img src="<%= Alone.make_uri(action:'graph_sample') %>">
コード
require 'alone'
require 'al_graph'
class GraphSampleController < AlController
def action_index()
AlTemplate.run( 'index.rhtml' )
end
def action_graph_sample()
ydata1 = [5, 3, 6, 3, 2, 5, 6]
ydata2 = [0, 1, 4, 10, 9, 13, 3]
graph = AlGraph.new
graph.add_data_line(ydata1, "bar1")
graph.add_data_bar(ydata2, "bar2")
graph.draw
end
end…
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text/html
2019-04-07T18:50:23+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:折れ線グラフ
https://ruby-alone.org/wiki/doku.php?id=algraph:%E6%8A%98%E3%82%8C%E7%B7%9A%E3%82%B0%E3%83%A9%E3%83%95&rev=1554630623&do=diff
折れ線グラフ
基本的な使い方
テンプレートファイル
<!DOCTYPE html>
<img src="<%= Alone.make_uri(action:'graph_sample') %>">
コード
require "alone"
require "al_graph"
class GraphSampleController < AlController
def action_index()
AlTemplate.run("index.rhtml")
end
def action_graph_sample()
ydata1 = [ 5, 3, 6, 3, 2, 5, 6 ]
graph = AlGraph.new
graph.add_data_line(ydata1)
graph.draw
end
end
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text/html
2019-12-18T15:59:47+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:散布図
https://ruby-alone.org/wiki/doku.php?id=algraph:%E6%95%A3%E5%B8%83%E5%9B%B3&rev=1576652387&do=diff
散布図
テンプレートファイル
<!DOCTYPE html>
<img src="<%=h Alone::make_uri(:action => 'scatter_sample_01') %>">
コード
require 'al_template'
require 'al_graph_scatter'
class GraphSampleController < AlController
def action_index()
AlTemplate.run( 'index.rhtml' )
end
# 散布図1
def action_scatter_sample_01
# 竹村彰通(著) 統計 共立出版より引用
data_m = [[172,70],[176,69],[170,70],[174,70],[170,62],
[167,50],[175,75],[179,80],[162,60],[169,80]]
data_f = [[157,42],[166,68],[160,55],[176,6…
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text/html
2019-04-07T19:33:33+00:00
Anonymous (anonymous@undisclosed.example.com)
algraph:棒グラフ
https://ruby-alone.org/wiki/doku.php?id=algraph:%E6%A3%92%E3%82%B0%E3%83%A9%E3%83%95&rev=1554633213&do=diff
棒グラフ
基本的な使い方
テンプレートファイル
<!DOCTYPE html>
<img src="<%= Alone.make_uri(action:'graph_sample') %>">
コード
class GraphSampleController < AlController
def action_index()
AlTemplate.run("index.rhtml")
end
def action_graph_sample()
ydata1 = [5, 3, 6, 3, 2, 5, 6]
ydata2 = [0, 1, 4, 10, 9, 13, 3]
graph = AlGraph.new
graph.add_data_bar(ydata1, "bar1")
graph.add_data_bar(ydata2, "bar2")
graph.draw
end
end