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# pie_chart.kbs
# 2012-12-29 j.m.reneau - example of pie statement added on 0.9.9.25
# 2016-09-08 j.m.reneau - added bounding circle example 1.99.99.65
#
#
dim data(5)
data = {1,3,5,7,10}
dim colors(5)
colors = {red,blue,green,yellow,cyan}
total = 0
for n = 0 to data[?]-1
total += data[n]
next n
print "with rectange bounding area"
clg
font "Arial", 20,100
startangle = 0
for n = 0 to data[?]-1
# calculate the with of the pie slice in radians
slicesize = 2*pi*data[n]/total
color colors[n]
pie 50,50,200,200,startangle,slicesize
# draw the value's number outside the pie
text 140+sin(startangle+slicesize*.5)*120, 140-cos(startangle+slicesize*.5)*120, data[n]
startangle += slicesize
next n
input "press enter", crap
print "with circle bounding area"
clg
font "Arial", 20,100
startangle = 0
for n = 0 to data[?]-1
# calculate the with of the pie slice in radians
slicesize = 2*pi*data[n]/total
color colors[n]
pie 150,150,100,startangle,slicesize
# draw the value's number outside the pie
text 140+sin(startangle+slicesize*.5)*120, 140-cos(startangle+slicesize*.5)*120, data[n]
startangle += slicesize
next n
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