Class: AlGraph::Graph
Overview
折れ線と棒グラフ用クラス
Direct Known Subclasses
Constant Summary collapse
- SHAPE_LIST =
マーカ形状リスト初期値
[:circle, :rectangle, :diamond, :triangle, :cock]
Constants inherited from GraphBase
AlGraph::GraphBase::COLOR_LIST
Constants inherited from GraphView
AlGraph::GraphView::ATTR_NAMES
Instance Attribute Summary collapse
-
#at_xaxis_title ⇒ Hash
X軸タイトルアトリビュート.
-
#at_xaxis_unit ⇒ Hash
X軸単位表示アトリビュート.
-
#at_y2axis_unit ⇒ Hash
Y2軸単位表示アトリビュート.
-
#at_yaxis_title ⇒ Hash
Y軸タイトルアトリビュート.
-
#at_yaxis_unit ⇒ Hash
Y軸単位表示アトリビュート.
-
#bar_plot ⇒ BarPlot
棒グラフオブジェクト.
-
#line_plot ⇒ LinePlot
折れ線グラフオブジェクト.
-
#shape_list ⇒ Array<Symbol>
マーカ形状リスト.
-
#x_axis ⇒ XAxis
X軸オブジェクト.
-
#y2_axis ⇒ Y2Axis
Y2軸オブジェクト(もしあれば).
-
#y_axis ⇒ YAxis
Y軸オブジェクト.
Attributes inherited from GraphBase
#at_graph_area, #at_legend, #at_main_title, #at_plot_area, #color_list, #output
Attributes inherited from GraphView
Instance Method Summary collapse
-
#add_data_bar(ydata, legend = nil, base_bar = nil) ⇒ ContainerBar
(Graph) 棒グラフの追加.
-
#add_data_line(ydata, legend = nil) ⇒ ContainerLine
(Graph) 折れ線の追加.
-
#add_data_line_y2(ydata, legend = nil) ⇒ ContainerLine
(Graph) 第2Y軸上へ折れ線の追加.
-
#add_xaxis_title(title_string) ⇒ Object
(Graph) X軸タイトルの追加.
-
#add_xaxis_unit(unit_string) ⇒ Object
(Graph) X軸単位表示の追加.
-
#add_y2axis_unit(unit_string) ⇒ Object
(Graph) 第2Y軸単位表示の追加.
-
#add_yaxis_title(title_string) ⇒ Object
(Graph) Y軸タイトルの追加.
-
#add_yaxis_unit(unit_string) ⇒ Object
(Graph) Y軸単位表示の追加.
-
#draw ⇒ Object
(Graph) 描画.
-
#initialize(width = 320, height = 240) ⇒ Graph
constructor
(Graph) constructor.
-
#set_margin(top, right, bottom, left) ⇒ Object
(Graph) プロットエリアのマージン設定.
Methods inherited from GraphBase
#add_aux_tag, #add_legend, #add_main_title, #add_text, #draw_buffer, #set_mode
Constructor Details
#initialize(width = 320, height = 240) ⇒ Graph
(Graph) constructor
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# File 'lib/al_graph.rb', line 74 def initialize(width = 320, height = 240) super @shape_list = SHAPE_LIST @at_plot_area = {:x=>40, :y=>10, :fill=>'#eee'} # make default @at_plot_area[:width] = @width - 50 @at_plot_area[:width] = 0 if @at_plot_area[:width] < 0 @at_plot_area[:height] = @height - 30 @at_plot_area[:Height] = 0 if @at_plot_area[:height] < 0 @x_axis = XAxis.new(@at_plot_area[:width], @at_plot_area[:height]) @y_axis = YAxis.new(@at_plot_area[:width], @at_plot_area[:height]) end |
Instance Attribute Details
#at_xaxis_title ⇒ Hash
Returns X軸タイトルアトリビュート.
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# File 'lib/al_graph.rb', line 38 def at_xaxis_title @at_xaxis_title end |
#at_xaxis_unit ⇒ Hash
Returns X軸単位表示アトリビュート.
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# File 'lib/al_graph.rb', line 41 def at_xaxis_unit @at_xaxis_unit end |
#at_y2axis_unit ⇒ Hash
Returns Y2軸単位表示アトリビュート.
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# File 'lib/al_graph.rb', line 50 def at_y2axis_unit @at_y2axis_unit end |
#at_yaxis_title ⇒ Hash
Returns Y軸タイトルアトリビュート.
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# File 'lib/al_graph.rb', line 44 def at_yaxis_title @at_yaxis_title end |
#at_yaxis_unit ⇒ Hash
Returns Y軸単位表示アトリビュート.
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# File 'lib/al_graph.rb', line 47 def at_yaxis_unit @at_yaxis_unit end |
#bar_plot ⇒ BarPlot
Returns 棒グラフオブジェクト.
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# File 'lib/al_graph.rb', line 65 def @bar_plot end |
#line_plot ⇒ LinePlot
Returns 折れ線グラフオブジェクト.
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# File 'lib/al_graph.rb', line 62 def line_plot @line_plot end |
#shape_list ⇒ Array<Symbol>
Returns マーカ形状リスト.
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# File 'lib/al_graph.rb', line 35 def shape_list @shape_list end |
#y2_axis ⇒ Y2Axis
Returns Y2軸オブジェクト(もしあれば).
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# File 'lib/al_graph.rb', line 59 def y2_axis @y2_axis end |
Instance Method Details
#add_data_bar(ydata, legend = nil, base_bar = nil) ⇒ ContainerBar
(Graph) 棒グラフの追加
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# File 'lib/al_graph.rb', line 161 def (ydata, legend = nil, = nil) # # 積み重ねの場合、Y値を調整。 # if diffsize = .y_data.size - ydata.size ydata.concat( Array.new(diffsize, 0) ) if diffsize > 0 ydata.each_with_index {|yd, i| ydata[i] = 0 if !ydata[i] ydata[i] += .y_data[i] if .y_data[i] } end add_legend() if legend @bar_plot = BarPlot.new(@width, @height) if ! @bar_plot @x_axis.change_mode(:CENTER) # # コンテナオブジェクトの生成 # data_obj = ContainerBar.new(ydata, legend) data_obj.x_axis = @x_axis data_obj.y_axis = @y_axis data_obj.plot = @bar_plot data_obj.[:fill] = @color_list[ @data_series.size % @color_list.size ] # # コンテナを配列に保存 # if data_obj.set_stack( ) @data_series.each_with_index {|ds, i| if ds == @data_series.insert(i, data_obj) break end } else @data_series << data_obj end @bar_plot.add_data_series(data_obj, ) @x_axis.add_data_series(data_obj) @y_axis.add_data_series(data_obj) return data_obj end |
#add_data_line(ydata, legend = nil) ⇒ ContainerLine
(Graph) 折れ線の追加
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# File 'lib/al_graph.rb', line 97 def add_data_line(ydata, legend = nil) add_legend() if legend @line_plot = LinePlot.new(@width, @height) if ! @line_plot data_obj = ContainerLine.new(ydata, legend) data_obj.x_axis = @x_axis data_obj.y_axis = @y_axis data_obj.plot = @line_plot data_obj.at_marker[:shape] = @shape_list[ @data_series.size % @shape_list.size ] data_obj.at_marker[:fill] = @color_list[ @data_series.size % @color_list.size ] data_obj.at_plot_line[:stroke] = data_obj.at_marker[:fill] add_data_series(data_obj) @line_plot.add_data_series(data_obj) @x_axis.add_data_series(data_obj) @y_axis.add_data_series(data_obj) return data_obj end |
#add_data_line_y2(ydata, legend = nil) ⇒ ContainerLine
(Graph) 第2Y軸上へ折れ線の追加
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# File 'lib/al_graph.rb', line 125 def add_data_line_y2(ydata, legend = nil) add_legend() if legend if ! @y2_axis @y2_axis = Y2Axis.new(@at_plot_area[:width], @at_plot_area[:height]) right = @width - @at_plot_area[:width] - @at_plot_area[:x] + 20 set_margin(nil, right, nil, nil) end @line_plot = LinePlot.new(@width, @height) if ! @line_plot data_obj = ContainerLine.new(ydata, legend) data_obj.x_axis = @x_axis data_obj.y_axis = @y2_axis data_obj.plot = @line_plot data_obj.at_marker[:shape] = @shape_list[ @data_series.size % @shape_list.size ] data_obj.at_marker[:fill] = @color_list[ @data_series.size % @color_list.size ] data_obj.at_plot_line[:stroke] = data_obj.at_marker[:fill] add_data_series(data_obj) @line_plot.add_data_series(data_obj) @x_axis.add_data_series(data_obj) @y2_axis.add_data_series(data_obj) return data_obj end |
#add_xaxis_title(title_string) ⇒ Object
(Graph) X軸タイトルの追加
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# File 'lib/al_graph.rb', line 402 def add_xaxis_title(title_string) set_margin(nil, nil, 35, nil) @at_xaxis_title = {:node_value=>title_string, :font_size=>12, :text_anchor=>'middle'} end |
#add_xaxis_unit(unit_string) ⇒ Object
(Graph) X軸単位表示の追加
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# File 'lib/al_graph.rb', line 414 def add_xaxis_unit(unit_string) set_margin(nil, nil, 35, nil) @at_xaxis_unit = {:node_value=>unit_string, :font_size=>12, :text_anchor=>'middle'} end |
#add_y2axis_unit(unit_string) ⇒ Object
(Graph) 第2Y軸単位表示の追加
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# File 'lib/al_graph.rb', line 451 def add_y2axis_unit(unit_string) set_margin(25, nil, nil, nil) @at_y2axis_unit = {:node_value=>unit_string, :font_size=>12, :text_anchor=>'start'} end |
#add_yaxis_title(title_string) ⇒ Object
(Graph) Y軸タイトルの追加
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# File 'lib/al_graph.rb', line 426 def add_yaxis_title(title_string) set_margin(nil, nil, nil, 50) @at_yaxis_title = {:node_value=>title_string, :font_size=>12, :text_anchor=>'middle'} end |
#add_yaxis_unit(unit_string) ⇒ Object
(Graph) Y軸単位表示の追加
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# File 'lib/al_graph.rb', line 438 def add_yaxis_unit(unit_string) set_margin(25, nil, nil, nil) @at_yaxis_unit = {:node_value=>unit_string, :font_size=>12, :text_anchor=>'start'} end |
#draw ⇒ Object
(Graph) 描画
管理下のオブジェクトを次々とcallして、全体を描画する。 (ユーザが個々の内部オブジェクトのdrawメソッドを使うことは無い)
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# File 'lib/al_graph.rb', line 222 def draw() # # scaling. # if !@x_axis.do_scaling raise AutoScaleErrorX end if !@y_axis.do_scaling raise AutoScaleErrorY end if @y2_axis && !@y2_axis.do_scaling raise AutoScaleErrorY2 end # # draw base items. # draw_common1() # # output plot area's clipping path. # @output.printf(%!<clipPath id="plotarea">\n!) @output.printf(%! <rect x="%d" y="%d" width="%d" height="%d" />\n!, -5, -5, @at_plot_area[:width] + 10, @at_plot_area[:height] + 10) @output.printf("</clipPath>\n") # # grouping in plot items. # @output.printf(%!<g transform="translate(%d,%d)">\n!, @at_plot_area[:x], @at_plot_area[:y]) # # draw X,Y axis # @x_axis.draw_z1(@output) @y_axis.draw_z1(@output) @y2_axis.draw_z1(@output) if @y2_axis @x_axis.draw_z2(@output) @y_axis.draw_z2(@output) @y2_axis.draw_z2(@output) if @y2_axis # # draw data series. # @output.printf("\n<!-- draw lines and bars in clipping path -->\n") @output.printf(%!<g clip-path="url(#plotarea)">\n!) @bar_plot.draw(@output) if @bar_plot @line_plot.draw(@output) if @line_plot @output.printf("</g><!-- end of clip -->\n") # # end of group # @output.printf("</g><!-- end of plot area -->\n\n") # # draw legend # if @at_legend @output.printf("\n<!-- draw legends -->\n") if ! @at_legend[:y] @at_legend[:y] = (@height - @data_series.size * (@at_legend[:font_size] + @at_legend[:line_spacing])) / 2 @at_legend[:y] = 0 if @at_legend[:y] < 0 end attr = @at_legend.dup attr[:x] += 10 attr[:y] += attr[:font_size] @data_series.each {|ds| @output.printf(%!<g%s>\n!, ds.id ? %! id="legend-#{ds.id}"! : "") @output.printf(" <text %s>%s</text>\n ", make_common_attribute_string(attr), Alone::escape_html(ds.legend)) ds.plot.draw_legend_marker(@output, attr[:x] - 10, (attr[:y] - attr[:font_size] / 3.0).to_i, ds) attr[:y] += attr[:font_size] + attr[:line_spacing] @output.printf("</g>\n") } @output.printf("\n") end # # draw x-axis title # if @at_xaxis_title @at_xaxis_title[:x] ||= @at_plot_area[:x] + @at_plot_area[:width] / 2 @at_xaxis_title[:y] ||= @height - 5 @output.printf("<text %s>%s</text>\n", make_common_attribute_string(@at_xaxis_title), Alone::escape_html(@at_xaxis_title[:node_value])) end # # draw x-axis unit # if @at_xaxis_unit @at_xaxis_unit[:x] ||= @at_plot_area[:x] + @at_plot_area[:width] @at_xaxis_unit[:y] ||= @height - 5 @output.printf("<text %s>%s</text>\n", make_common_attribute_string(@at_xaxis_unit), Alone::escape_html(@at_xaxis_unit[:node_value])) end # # draw y-axis title # if @at_yaxis_title @at_yaxis_title[:x] ||= @at_yaxis_title[:font_size] + 5 @at_yaxis_title[:y] ||= @at_plot_area[:y] + @at_plot_area[:height] / 2 @output.printf(%!<text %s transform="rotate(-90,%d,%d)">%s</text>\n!, make_common_attribute_string(@at_yaxis_title), @at_yaxis_title[:x], @at_yaxis_title[:y], Alone::escape_html(@at_yaxis_title[:node_value])) end # # draw y-axis unit # if @at_yaxis_unit @at_yaxis_unit[:x] ||= @at_yaxis_unit[:font_size] @at_yaxis_unit[:y] ||= @at_plot_area[:y] - 6 @output.printf(%!<text %s>%s</text>\n!, make_common_attribute_string(@at_yaxis_unit), Alone::escape_html(@at_yaxis_unit[:node_value])) end # # draw y2-axis unit # if @at_y2axis_unit @at_y2axis_unit[:x] ||= @at_plot_area[:x] + @at_plot_area[:width] @at_y2axis_unit[:y] ||= @at_plot_area[:y] - 6 @output.printf(%!<text %s>%s</text>\n!, make_common_attribute_string(@at_y2axis_unit), Alone::escape_html(@at_y2axis_unit[:node_value])) end draw_common2() end |
#set_margin(top, right, bottom, left) ⇒ Object
(Graph) プロットエリアのマージン設定
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# File 'lib/al_graph.rb', line 382 def set_margin(top, right, bottom, left) super # set axis objects parameters @x_axis.width = @at_plot_area[:width] @x_axis.height = @at_plot_area[:height] @y_axis.width = @at_plot_area[:width] @y_axis.height = @at_plot_area[:height] if @y2_axis @y2_axis.width = @at_plot_area[:width] @y2_axis.height = @at_plot_area[:height] end end |