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Added matplolib color ramps: inferno, magma, plasma and viridis - #2053

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lossyrob merged 2 commits into
locationtech:masterfrom
lossyrob:feature/color-ramps
Mar 13, 2017
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Added matplolib color ramps: inferno, magma, plasma and viridis#2053
lossyrob merged 2 commits into
locationtech:masterfrom
lossyrob:feature/color-ramps

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@lossyrob lossyrob commented Mar 13, 2017 •
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Fixes #1941

Also adds links to Carto Colors, so fixes #1944

Here are some example images from a Philadelphia elevation tile:

Magma

magma

Inferno

inferno

Plasma

plasma

Viridis

viridis

In case it proves useful later, I moved from the matplotlib 0.0-1.0 space and translated to the Scala source via:

def translate_colors(c):
    hexes = []
    for x in c:
        hexes.append(rgb2hex(x))
    scalad = list(map(lambda x: '0x' + (x.replace('#', '') + 'FF').upper(), hexes))
    N = 4
    grouped = [', '.join(scalad[n:n+N]) for n in range(0, len(scalad), N)]
    for group in grouped:
        print(group + ',')

@lossyrob lossyrob added this to the 1.1 milestone Mar 13, 2017
@lossyrob lossyrob mentioned this pull request Mar 13, 2017
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lossyrob merged commit da20b06 into locationtech:master Mar 13, 2017
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Implement new color ramps based on Carto Colors Implement Viridis, Magma, Plasma and Inferno color ramps from rstats package

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