group
- a vector of String categories
value
- a vector of Float numeric value
parms
- an Hash whit parametrs value
This Hash contain parmas . List of key permitted .
:title
- (default “A sample Graph”) Graph main title
:x_label
- (default ‘Categories’) Label of x ass
:y_label
- (default ‘Value’) Label of y ass
:legend
- (default false) Prints legend
:vertical
- (default true) The orientation of the plot
:group_by
- (default nil) A vector of values used to group
the values into series within each category.
:height
- (default 1500) Graph height
:width
- (default 800) Graph width
:file_name
- (default sample.jpg) Graph File Name/Path to save
plot. You can chose jpg or pdf
Class Usage:
categories = ["uman","elf","dwarfs"] values = [1.0,2.0,3.0] params = {"title" => "Popolation of middle heart","x_label"=>"Popolation","y_label"=>"greed"} plot = BarChart.new(categories,values,params) #To view plot.view #to save plot.save
# File lib/bar_chart/bar_chart.rb, line 38 def initialize(group,value,params) @group=check_grp(group) @value=check_val(value) @params=self.check_par(params) end
# File lib/bar_chart/bar_chart.rb, line 44 def check_par(params) hash = Hash.new permitted = ["title","x_label","y_label","vertical","group_by","legend","width","height","file_name"] keys = params.keys keys.each{ |key| if permitted.include?(key)==false raise "Error : Permitted key are title,x_label,y_label,vertical,group_by,legend,width,height" end } if params["title"]==nil hash["title"]="A sample Graph" else hash["title"]=params["title"] end if params["x_label"]==nil hash["x_label"]="Categories" else hash["x_label"]=params["x_label"] end if params["y_label"]==nil hash["y_label"]="Values" else hash["y_label"]=params["y_label"] end if params["vertical"]==nil hash["vertical"]=true else hash["vertical"]=params["vertical"] end if params["legend"]==nil hash["legend"]=false else hash["legend"]=params["legend"] end if params["gruop_by"]==nil hash["group_by"]=nil else hash["group_by"]=params["group_by"] end if params["width"]==nil hash["width"]=1500 else hash["width"]=params["width"] end if params["height"]==nil hash["height"]=800 else hash["height"]=params["height"] end if params["file_name"]==nil hash["file_name"]="sample.jpg" else hash["file_name"]=params["file_name"] end params_map = HashMap.new(hash) return params_map end
# File lib/bar_chart/bar_chart.rb, line 112 def getGroup @group end
# File lib/bar_chart/bar_chart.rb, line 120 def getParams @params end
# File lib/bar_chart/bar_chart.rb, line 116 def getValue @value end
# File lib/bar_chart/bar_chart.rb, line 125 def save begin a = Java::ComDomain::clocomics a.save_bar(self.getGroup,self.getValue,self.getParams) rescue Exception => ex end end
# File lib/bar_chart/bar_chart.rb, line 132 def view begin a = Java::ComDomain::clocomics a.view_bar(self.getGroup,self.getValue,self.getParams) rescue Exception => ex end end