Created
May 12, 2010 09:41
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#!/usr/bin/perl | |
use strict; | |
use warnings; | |
use GD::Graph::linespoints; | |
use GD::Graph::colour qw(:colours); | |
use GD::Text; | |
#データファイルのオープン | |
open DATA ,"<data.txt" or die("Can't Open data file"); | |
my (@xaxis,@yaxis); | |
#データの読み込み | |
for (<DATA>){ | |
my @line = split(/\s+/); | |
push(@xaxis,$line[0]); | |
push(@yaxis,$line[1]); | |
} | |
close DATA; | |
#グラフを作成 | |
my @data = (\@xaxis,\@yaxis); | |
my $graph = GD::Graph::linespoints->new(400,300); | |
$graph->set( | |
bgclr => "lgray", #背景色 | |
boxclr => "lgray", #グラフの背景色 | |
fgclr => "blue", #軸とグリッドの色 | |
labelclr => "black", #ラベルの文字色 | |
valuesclr => "black", #値を示す文字色 | |
axislabelclr => "black", #軸のラベルの文字色 | |
textclr => "black", #上記以外の文字色 | |
dclrs => [ "red" ], #グラフの色 | |
title => "フィボナッチ数の計算時間(再帰版)", #タイトル | |
x_label => "fib(n)", #X軸のラベル | |
y_label => "時間(s)", #Y軸のラベル | |
x_label_position => 1/2, #X軸のラベルの位置(デフォルトは3/4) | |
y_max_value => 200, #Y軸の最大値 | |
long_ticks => 1, #目盛線を表示 | |
markers => [7] #プロットの種類(丸) | |
); | |
#フォントの指定 | |
GD::Text->font_path("/System/Library/Fonts/"); | |
$graph->set_title_font( "AquaKana.ttc", 12 ); #タイトル | |
$graph->set_x_axis_font( "AquaKana.ttc", 8 ); #X軸目盛 | |
$graph->set_x_label_font( "AquaKana.ttc", 11); #X軸ラベル | |
$graph->set_y_axis_font( "AquaKana.ttc", 8 ); #Y軸目盛 | |
$graph->set_y_label_font( "AquaKana.ttc", 11); #Y軸ラベル | |
#画像の出力 | |
my $img = $graph->plot(\@data)->png or die ("Cannnot create image"); | |
open OUT, ">recfib.png" or die("Can't Open PNG file"); | |
binmode OUT; | |
print OUT $img; | |
close OUT; |
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