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Contents
describe 'colorScale', ->
track = new circosJS.Track()
logScale = false
min = -50
max = 100
colorPaletteSize = 10
colorPaletteReverse = false
it 'should return 0 if value is equal to the minimum value', ->
result = track.ratio -50, min, max, colorPaletteSize, colorPaletteReverse, logScale
expect(result).to.equal 0
it 'should return paletteSize - 1 if value is equal to the maximum value', ->
result = track.ratio 100, min, max, colorPaletteSize, colorPaletteReverse, logScale
expect(result).to.equal 9
it 'should have a linear result if logscale is false', ->
for x in [0..99]
min = 0
max = 99
step = 100 / colorPaletteSize
result = track.ratio x, min, max, colorPaletteSize, colorPaletteReverse, logScale
expect(result).to.equal(Math.floor(x/step))
it 'should reverse result if colorPaletteReverse is true', ->
colorPaletteReverse = true
for x in [0..99]
result = track.ratio x, min, max, colorPaletteSize, colorPaletteReverse, logScale
expect(result).to.equal(9 - Math.floor(x/10))
it 'should return 0 if min = max', ->
min = max = 0
result = track.ratio 9, min, max, colorPaletteSize, colorPaletteReverse, logScale
expect(result).to.equal(0)
describe 'rules', ->
rule = {parameter: 'color', value: 'blue', condition: (parent, datum, i) -> return datum.value > 5}
instance = new circosJS
width: 499
height: 500
container: '#chart'
instance
.layout({}, [{ "len": 31, "color": "#8dd3c7", "label": "January", "id": "january" }])
.histogram('my-histogram', {color: 'red'}, [['january',1,2,0],['january',3,4,10]],[rule])
# it 'should by applied', ->
# data = instance.tracks.histograms['my-histogram'].data
# expect(data[0].values[0].color).to.be.undefined
# expect(data[0].values[1].color).to.be.equal 'blue'
Version data entries
31 entries across 31 versions & 1 rubygems