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Data Visualisation Course Week 1
/** BRIEF
There appears to be a shift in the UK's political voting
preferences in recent years. The table below shows the
results of the BBC Poll of polls (average of the main opinion polls)
conducted in January 2015, 2014 and 2013.
Create a simple Processing sketch that shows this trend using
circles to represent each percentage, where each circle is
coloured according to the party it represents and sized
according to the percentage of people supporting that party.
**/
// data variables
// hardcoded data for now
float con2015 = 32;
float con2014 = 31;
float con2013 = 31;
float lab2015 = 34;
float lab2014 = 39;
float lab2013 = 43;
float lib2015 = 7;
float lib2014 = 9;
float lib2013 = 10;
float oth2015 = 27;
float oth2014 = 21;
float oth2013 = 16;
void setup()
{
size(400,200);
background(255);
}
void draw()
{
// draw a version of this sketch
v1();
}
void v1()
{
// simple sketch that hard codes circle position, colour
// uses data variables for diameter.
noStroke();
fill(10,28,139);
ellipse(100,25,con2013,con2013);
ellipse(200,25,con2014,con2014);
ellipse(300,25,con2015,con2015);
fill(255,0,0);
ellipse(100,75,lab2013,lab2013);
ellipse(200,75,lab2014,lab2014);
ellipse(300,75,lab2015,lab2015);
fill(234,220,52);
ellipse(100,125,lib2013,lib2013);
ellipse(200,125,lib2014,lib2014);
ellipse(300,125,lib2015,lib2015);
fill(203,203,199);
ellipse(100,175,oth2013,oth2013);
ellipse(200,175,oth2014,oth2014);
ellipse(300,175,oth2015,oth2015);
}
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