Class: LineChart

Inherits:
Object
  • Object
show all
Defined in:
lib/line_chart/line_chart.rb

Instance Method Summary collapse

Constructor Details

#initialize(group, value, params) ⇒ LineChart

  • group - a vector of String categories

  • value - a vector of Float numeric value

  • parms - an Hash whit parametrs value

Parms

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.

  • :gradient - (default false) Use gradient on bars

  • :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

Examples

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 = LineChart.new(categories,values,params)
#To view
plot.view 
#to save
plot.save



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# File 'lib/line_chart/line_chart.rb', line 38

def initialize(group,value,params)
	@group=check_grp(group)
	@value=check_val(value)
	@params=self.check_par(params)
end

Instance Method Details

#check_par(params) ⇒ Object 



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# File 'lib/line_chart/line_chart.rb', line 44

def check_par(params)
       	hash = Hash.new
	permitted = ["title","x_label","y_label","vertical","group_by","gradient","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,gradient,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["gradient"]==nil
                       hash["gradient"]=false
               else
                       hash["gradient"]=params["gradient"]
               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

#getGroup ⇒ Object 



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# File 'lib/line_chart/line_chart.rb', line 118

def getGroup
	@group
end

#getParams ⇒ Object 



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# File 'lib/line_chart/line_chart.rb', line 126

def getParams
        @params
end

#getValue ⇒ Object 



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# File 'lib/line_chart/line_chart.rb', line 122

def getValue
	@value 
end

#save ⇒ Object 



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# File 'lib/line_chart/line_chart.rb', line 131

def save
	begin
       		a = Java::ComDomain::clocomics
      			a.save_area(self.getGroup,self.getValue,self.getParams)
	rescue Exception => ex
	end
end

#view ⇒ Object 



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# File 'lib/line_chart/line_chart.rb', line 138

def view
	 begin
                       a = Java::ComDomain::clocomics
                       a.view_area(self.getGroup,self.getValue,self.getParams)
               rescue Exception => ex
               end


end