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Graffiti in Vancouver
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README.md

Hexbin layer showing locations of sites with graffiti as identified by Vancouver City staff.

Data from the City of Vancouver's Open Data Catalogue.

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colorbrewer.js
/*
* This product includes color specifications and designs developed by Cynthia
* Brewer (http://colorbrewer.org/).
*/
var colorbrewer = {
YlGn:{3:["rgb(247,252,185)","rgb(173,221,142)","rgb(49,163,84)"],4:["rgb(255,255,204)","rgb(194,230,153)","rgb(120,198,121)","rgb(35,132,67)"],5:["rgb(255,255,204)","rgb(194,230,153)","rgb(120,198,121)","rgb(49,163,84)","rgb(0,104,55)"],6:["rgb(255,255,204)","rgb(217,240,163)","rgb(173,221,142)","rgb(120,198,121)","rgb(49,163,84)","rgb(0,104,55)"],7:["rgb(255,255,204)","rgb(217,240,163)","rgb(173,221,142)","rgb(120,198,121)","rgb(65,171,93)","rgb(35,132,67)","rgb(0,90,50)"],8:["rgb(255,255,229)","rgb(247,252,185)","rgb(217,240,163)","rgb(173,221,142)","rgb(120,198,121)","rgb(65,171,93)","rgb(35,132,67)","rgb(0,90,50)"],9:["rgb(255,255,229)","rgb(247,252,185)","rgb(217,240,163)","rgb(173,221,142)","rgb(120,198,121)","rgb(65,171,93)","rgb(35,132,67)","rgb(0,104,55)","rgb(0,69,41)"]},
YlGnBu:{3:["rgb(237,248,177)","rgb(127,205,187)","rgb(44,127,184)"],4:["rgb(255,255,204)","rgb(161,218,180)","rgb(65,182,196)","rgb(34,94,168)"],5:["rgb(255,255,204)","rgb(161,218,180)","rgb(65,182,196)","rgb(44,127,184)","rgb(37,52,148)"],6:["rgb(255,255,204)","rgb(199,233,180)","rgb(127,205,187)","rgb(65,182,196)","rgb(44,127,184)","rgb(37,52,148)"],7:["rgb(255,255,204)","rgb(199,233,180)","rgb(127,205,187)","rgb(65,182,196)","rgb(29,145,192)","rgb(34,94,168)","rgb(12,44,132)"],8:["rgb(255,255,217)","rgb(237,248,177)","rgb(199,233,180)","rgb(127,205,187)","rgb(65,182,196)","rgb(29,145,192)","rgb(34,94,168)","rgb(12,44,132)"],9:["rgb(255,255,217)","rgb(237,248,177)","rgb(199,233,180)","rgb(127,205,187)","rgb(65,182,196)","rgb(29,145,192)","rgb(34,94,168)","rgb(37,52,148)","rgb(8,29,88)"]},
GnBu:{3:["rgb(224,243,219)","rgb(168,221,181)","rgb(67,162,202)"],4:["rgb(240,249,232)","rgb(186,228,188)","rgb(123,204,196)","rgb(43,140,190)"],5:["rgb(240,249,232)","rgb(186,228,188)","rgb(123,204,196)","rgb(67,162,202)","rgb(8,104,172)"],6:["rgb(240,249,232)","rgb(204,235,197)","rgb(168,221,181)","rgb(123,204,196)","rgb(67,162,202)","rgb(8,104,172)"],7:["rgb(240,249,232)","rgb(204,235,197)","rgb(168,221,181)","rgb(123,204,196)","rgb(78,179,211)","rgb(43,140,190)","rgb(8,88,158)"],8:["rgb(247,252,240)","rgb(224,243,219)","rgb(204,235,197)","rgb(168,221,181)","rgb(123,204,196)","rgb(78,179,211)","rgb(43,140,190)","rgb(8,88,158)"],9:["rgb(247,252,240)","rgb(224,243,219)","rgb(204,235,197)","rgb(168,221,181)","rgb(123,204,196)","rgb(78,179,211)","rgb(43,140,190)","rgb(8,104,172)","rgb(8,64,129)"]},
BuGn:{3:["rgb(229,245,249)","rgb(153,216,201)","rgb(44,162,95)"],4:["rgb(237,248,251)","rgb(178,226,226)","rgb(102,194,164)","rgb(35,139,69)"],5:["rgb(237,248,251)","rgb(178,226,226)","rgb(102,194,164)","rgb(44,162,95)","rgb(0,109,44)"],6:["rgb(237,248,251)","rgb(204,236,230)","rgb(153,216,201)","rgb(102,194,164)","rgb(44,162,95)","rgb(0,109,44)"],7:["rgb(237,248,251)","rgb(204,236,230)","rgb(153,216,201)","rgb(102,194,164)","rgb(65,174,118)","rgb(35,139,69)","rgb(0,88,36)"],8:["rgb(247,252,253)","rgb(229,245,249)","rgb(204,236,230)","rgb(153,216,201)","rgb(102,194,164)","rgb(65,174,118)","rgb(35,139,69)","rgb(0,88,36)"],9:["rgb(247,252,253)","rgb(229,245,249)","rgb(204,236,230)","rgb(153,216,201)","rgb(102,194,164)","rgb(65,174,118)","rgb(35,139,69)","rgb(0,109,44)","rgb(0,68,27)"]},
PuBuGn:{3:["rgb(236,226,240)","rgb(166,189,219)","rgb(28,144,153)"],4:["rgb(246,239,247)","rgb(189,201,225)","rgb(103,169,207)","rgb(2,129,138)"],5:["rgb(246,239,247)","rgb(189,201,225)","rgb(103,169,207)","rgb(28,144,153)","rgb(1,108,89)"],6:["rgb(246,239,247)","rgb(208,209,230)","rgb(166,189,219)","rgb(103,169,207)","rgb(28,144,153)","rgb(1,108,89)"],7:["rgb(246,239,247)","rgb(208,209,230)","rgb(166,189,219)","rgb(103,169,207)","rgb(54,144,192)","rgb(2,129,138)","rgb(1,100,80)"],8:["rgb(255,247,251)","rgb(236,226,240)","rgb(208,209,230)","rgb(166,189,219)","rgb(103,169,207)","rgb(54,144,192)","rgb(2,129,138)","rgb(1,100,80)"],9:["rgb(255,247,251)","rgb(236,226,240)","rgb(208,209,230)","rgb(166,189,219)","rgb(103,169,207)","rgb(54,144,192)","rgb(2,129,138)","rgb(1,108,89)","rgb(1,70,54)"]},
PuBu:{3:["rgb(236,231,242)","rgb(166,189,219)","rgb(43,140,190)"],4:["rgb(241,238,246)","rgb(189,201,225)","rgb(116,169,207)","rgb(5,112,176)"],5:["rgb(241,238,246)","rgb(189,201,225)","rgb(116,169,207)","rgb(43,140,190)","rgb(4,90,141)"],6:["rgb(241,238,246)","rgb(208,209,230)","rgb(166,189,219)","rgb(116,169,207)","rgb(43,140,190)","rgb(4,90,141)"],7:["rgb(241,238,246)","rgb(208,209,230)","rgb(166,189,219)","rgb(116,169,207)","rgb(54,144,192)","rgb(5,112,176)","rgb(3,78,123)"],8:["rgb(255,247,251)","rgb(236,231,242)","rgb(208,209,230)","rgb(166,189,219)","rgb(116,169,207)","rgb(54,144,192)","rgb(5,112,176)","rgb(3,78,123)"],9:["rgb(255,247,251)","rgb(236,231,242)","rgb(208,209,230)","rgb(166,189,219)","rgb(116,169,207)","rgb(54,144,192)","rgb(5,112,176)","rgb(4,90,141)","rgb(2,56,88)"]},
BuPu:{3:["rgb(224,236,244)","rgb(158,188,218)","rgb(136,86,167)"],4:["rgb(237,248,251)","rgb(179,205,227)","rgb(140,150,198)","rgb(136,65,157)"],5:["rgb(237,248,251)","rgb(179,205,227)","rgb(140,150,198)","rgb(136,86,167)","rgb(129,15,124)"],6:["rgb(237,248,251)","rgb(191,211,230)","rgb(158,188,218)","rgb(140,150,198)","rgb(136,86,167)","rgb(129,15,124)"],7:["rgb(237,248,251)","rgb(191,211,230)","rgb(158,188,218)","rgb(140,150,198)","rgb(140,107,177)","rgb(136,65,157)","rgb(110,1,107)"],8:["rgb(247,252,253)","rgb(224,236,244)","rgb(191,211,230)","rgb(158,188,218)","rgb(140,150,198)","rgb(140,107,177)","rgb(136,65,157)","rgb(110,1,107)"],9:["rgb(247,252,253)","rgb(224,236,244)","rgb(191,211,230)","rgb(158,188,218)","rgb(140,150,198)","rgb(140,107,177)","rgb(136,65,157)","rgb(129,15,124)","rgb(77,0,75)"]},
RdPu:{3:["rgb(253,224,221)","rgb(250,159,181)","rgb(197,27,138)"],4:["rgb(254,235,226)","rgb(251,180,185)","rgb(247,104,161)","rgb(174,1,126)"],5:["rgb(254,235,226)","rgb(251,180,185)","rgb(247,104,161)","rgb(197,27,138)","rgb(122,1,119)"],6:["rgb(254,235,226)","rgb(252,197,192)","rgb(250,159,181)","rgb(247,104,161)","rgb(197,27,138)","rgb(122,1,119)"],7:["rgb(254,235,226)","rgb(252,197,192)","rgb(250,159,181)","rgb(247,104,161)","rgb(221,52,151)","rgb(174,1,126)","rgb(122,1,119)"],8:["rgb(255,247,243)","rgb(253,224,221)","rgb(252,197,192)","rgb(250,159,181)","rgb(247,104,161)","rgb(221,52,151)","rgb(174,1,126)","rgb(122,1,119)"],9:["rgb(255,247,243)","rgb(253,224,221)","rgb(252,197,192)","rgb(250,159,181)","rgb(247,104,161)","rgb(221,52,151)","rgb(174,1,126)","rgb(122,1,119)","rgb(73,0,106)"]},
PuRd:{3:["rgb(231,225,239)","rgb(201,148,199)","rgb(221,28,119)"],4:["rgb(241,238,246)","rgb(215,181,216)","rgb(223,101,176)","rgb(206,18,86)"],5:["rgb(241,238,246)","rgb(215,181,216)","rgb(223,101,176)","rgb(221,28,119)","rgb(152,0,67)"],6:["rgb(241,238,246)","rgb(212,185,218)","rgb(201,148,199)","rgb(223,101,176)","rgb(221,28,119)","rgb(152,0,67)"],7:["rgb(241,238,246)","rgb(212,185,218)","rgb(201,148,199)","rgb(223,101,176)","rgb(231,41,138)","rgb(206,18,86)","rgb(145,0,63)"],8:["rgb(247,244,249)","rgb(231,225,239)","rgb(212,185,218)","rgb(201,148,199)","rgb(223,101,176)","rgb(231,41,138)","rgb(206,18,86)","rgb(145,0,63)"],9:["rgb(247,244,249)","rgb(231,225,239)","rgb(212,185,218)","rgb(201,148,199)","rgb(223,101,176)","rgb(231,41,138)","rgb(206,18,86)","rgb(152,0,67)","rgb(103,0,31)"]},
OrRd:{3:["rgb(254,232,200)","rgb(253,187,132)","rgb(227,74,51)"],4:["rgb(254,240,217)","rgb(253,204,138)","rgb(252,141,89)","rgb(215,48,31)"],5:["rgb(254,240,217)","rgb(253,204,138)","rgb(252,141,89)","rgb(227,74,51)","rgb(179,0,0)"],6:["rgb(254,240,217)","rgb(253,212,158)","rgb(253,187,132)","rgb(252,141,89)","rgb(227,74,51)","rgb(179,0,0)"],7:["rgb(254,240,217)","rgb(253,212,158)","rgb(253,187,132)","rgb(252,141,89)","rgb(239,101,72)","rgb(215,48,31)","rgb(153,0,0)"],8:["rgb(255,247,236)","rgb(254,232,200)","rgb(253,212,158)","rgb(253,187,132)","rgb(252,141,89)","rgb(239,101,72)","rgb(215,48,31)","rgb(153,0,0)"],9:["rgb(255,247,236)","rgb(254,232,200)","rgb(253,212,158)","rgb(253,187,132)","rgb(252,141,89)","rgb(239,101,72)","rgb(215,48,31)","rgb(179,0,0)","rgb(127,0,0)"]},
YlOrRd:{3:["rgb(255,237,160)","rgb(254,178,76)","rgb(240,59,32)"],4:["rgb(255,255,178)","rgb(254,204,92)","rgb(253,141,60)","rgb(227,26,28)"],5:["rgb(255,255,178)","rgb(254,204,92)","rgb(253,141,60)","rgb(240,59,32)","rgb(189,0,38)"],6:["rgb(255,255,178)","rgb(254,217,118)","rgb(254,178,76)","rgb(253,141,60)","rgb(240,59,32)","rgb(189,0,38)"],7:["rgb(255,255,178)","rgb(254,217,118)","rgb(254,178,76)","rgb(253,141,60)","rgb(252,78,42)","rgb(227,26,28)","rgb(177,0,38)"],8:["rgb(255,255,204)","rgb(255,237,160)","rgb(254,217,118)","rgb(254,178,76)","rgb(253,141,60)","rgb(252,78,42)","rgb(227,26,28)","rgb(177,0,38)"],9:["rgb(255,255,204)","rgb(255,237,160)","rgb(254,217,118)","rgb(254,178,76)","rgb(253,141,60)","rgb(252,78,42)","rgb(227,26,28)","rgb(189,0,38)","rgb(128,0,38)"]},
YlOrBr:{3:["rgb(255,247,188)","rgb(254,196,79)","rgb(217,95,14)"],4:["rgb(255,255,212)","rgb(254,217,142)","rgb(254,153,41)","rgb(204,76,2)"],5:["rgb(255,255,212)","rgb(254,217,142)","rgb(254,153,41)","rgb(217,95,14)","rgb(153,52,4)"],6:["rgb(255,255,212)","rgb(254,227,145)","rgb(254,196,79)","rgb(254,153,41)","rgb(217,95,14)","rgb(153,52,4)"],7:["rgb(255,255,212)","rgb(254,227,145)","rgb(254,196,79)","rgb(254,153,41)","rgb(236,112,20)","rgb(204,76,2)","rgb(140,45,4)"],8:["rgb(255,255,229)","rgb(255,247,188)","rgb(254,227,145)","rgb(254,196,79)","rgb(254,153,41)","rgb(236,112,20)","rgb(204,76,2)","rgb(140,45,4)"],9:["rgb(255,255,229)","rgb(255,247,188)","rgb(254,227,145)","rgb(254,196,79)","rgb(254,153,41)","rgb(236,112,20)","rgb(204,76,2)","rgb(153,52,4)","rgb(102,37,6)"]},
Purples:{3:["rgb(239,237,245)","rgb(188,189,220)","rgb(117,107,177)"],4:["rgb(242,240,247)","rgb(203,201,226)","rgb(158,154,200)","rgb(106,81,163)"],5:["rgb(242,240,247)","rgb(203,201,226)","rgb(158,154,200)","rgb(117,107,177)","rgb(84,39,143)"],6:["rgb(242,240,247)","rgb(218,218,235)","rgb(188,189,220)","rgb(158,154,200)","rgb(117,107,177)","rgb(84,39,143)"],7:["rgb(242,240,247)","rgb(218,218,235)","rgb(188,189,220)","rgb(158,154,200)","rgb(128,125,186)","rgb(106,81,163)","rgb(74,20,134)"],8:["rgb(252,251,253)","rgb(239,237,245)","rgb(218,218,235)","rgb(188,189,220)","rgb(158,154,200)","rgb(128,125,186)","rgb(106,81,163)","rgb(74,20,134)"],9:["rgb(252,251,253)","rgb(239,237,245)","rgb(218,218,235)","rgb(188,189,220)","rgb(158,154,200)","rgb(128,125,186)","rgb(106,81,163)","rgb(84,39,143)","rgb(63,0,125)"]},
Blues:{3:["rgb(222,235,247)","rgb(158,202,225)","rgb(49,130,189)"],4:["rgb(239,243,255)","rgb(189,215,231)","rgb(107,174,214)","rgb(33,113,181)"],5:["rgb(239,243,255)","rgb(189,215,231)","rgb(107,174,214)","rgb(49,130,189)","rgb(8,81,156)"],6:["rgb(239,243,255)","rgb(198,219,239)","rgb(158,202,225)","rgb(107,174,214)","rgb(49,130,189)","rgb(8,81,156)"],7:["rgb(239,243,255)","rgb(198,219,239)","rgb(158,202,225)","rgb(107,174,214)","rgb(66,146,198)","rgb(33,113,181)","rgb(8,69,148)"],8:["rgb(247,251,255)","rgb(222,235,247)","rgb(198,219,239)","rgb(158,202,225)","rgb(107,174,214)","rgb(66,146,198)","rgb(33,113,181)","rgb(8,69,148)"],9:["rgb(247,251,255)","rgb(222,235,247)","rgb(198,219,239)","rgb(158,202,225)","rgb(107,174,214)","rgb(66,146,198)","rgb(33,113,181)","rgb(8,81,156)","rgb(8,48,107)"]},
Greens:{3:["rgb(229,245,224)","rgb(161,217,155)","rgb(49,163,84)"],4:["rgb(237,248,233)","rgb(186,228,179)","rgb(116,196,118)","rgb(35,139,69)"],5:["rgb(237,248,233)","rgb(186,228,179)","rgb(116,196,118)","rgb(49,163,84)","rgb(0,109,44)"],6:["rgb(237,248,233)","rgb(199,233,192)","rgb(161,217,155)","rgb(116,196,118)","rgb(49,163,84)","rgb(0,109,44)"],7:["rgb(237,248,233)","rgb(199,233,192)","rgb(161,217,155)","rgb(116,196,118)","rgb(65,171,93)","rgb(35,139,69)","rgb(0,90,50)"],8:["rgb(247,252,245)","rgb(229,245,224)","rgb(199,233,192)","rgb(161,217,155)","rgb(116,196,118)","rgb(65,171,93)","rgb(35,139,69)","rgb(0,90,50)"],9:["rgb(247,252,245)","rgb(229,245,224)","rgb(199,233,192)","rgb(161,217,155)","rgb(116,196,118)","rgb(65,171,93)","rgb(35,139,69)","rgb(0,109,44)","rgb(0,68,27)"]},
Oranges:{3:["rgb(254,230,206)","rgb(253,174,107)","rgb(230,85,13)"],4:["rgb(254,237,222)","rgb(253,190,133)","rgb(253,141,60)","rgb(217,71,1)"],5:["rgb(254,237,222)","rgb(253,190,133)","rgb(253,141,60)","rgb(230,85,13)","rgb(166,54,3)"],6:["rgb(254,237,222)","rgb(253,208,162)","rgb(253,174,107)","rgb(253,141,60)","rgb(230,85,13)","rgb(166,54,3)"],7:["rgb(254,237,222)","rgb(253,208,162)","rgb(253,174,107)","rgb(253,141,60)","rgb(241,105,19)","rgb(217,72,1)","rgb(140,45,4)"],8:["rgb(255,245,235)","rgb(254,230,206)","rgb(253,208,162)","rgb(253,174,107)","rgb(253,141,60)","rgb(241,105,19)","rgb(217,72,1)","rgb(140,45,4)"],9:["rgb(255,245,235)","rgb(254,230,206)","rgb(253,208,162)","rgb(253,174,107)","rgb(253,141,60)","rgb(241,105,19)","rgb(217,72,1)","rgb(166,54,3)","rgb(127,39,4)"]},
Reds:{3:["rgb(254,224,210)","rgb(252,146,114)","rgb(222,45,38)"],4:["rgb(254,229,217)","rgb(252,174,145)","rgb(251,106,74)","rgb(203,24,29)"],5:["rgb(254,229,217)","rgb(252,174,145)","rgb(251,106,74)","rgb(222,45,38)","rgb(165,15,21)"],6:["rgb(254,229,217)","rgb(252,187,161)","rgb(252,146,114)","rgb(251,106,74)","rgb(222,45,38)","rgb(165,15,21)"],7:["rgb(254,229,217)","rgb(252,187,161)","rgb(252,146,114)","rgb(251,106,74)","rgb(239,59,44)","rgb(203,24,29)","rgb(153,0,13)"],8:["rgb(255,245,240)","rgb(254,224,210)","rgb(252,187,161)","rgb(252,146,114)","rgb(251,106,74)","rgb(239,59,44)","rgb(203,24,29)","rgb(153,0,13)"],9:["rgb(255,245,240)","rgb(254,224,210)","rgb(252,187,161)","rgb(252,146,114)","rgb(251,106,74)","rgb(239,59,44)","rgb(203,24,29)","rgb(165,15,21)","rgb(103,0,13)"]},
Greys:{3:["rgb(240,240,240)","rgb(189,189,189)","rgb(99,99,99)"],4:["rgb(247,247,247)","rgb(204,204,204)","rgb(150,150,150)","rgb(82,82,82)"],5:["rgb(247,247,247)","rgb(204,204,204)","rgb(150,150,150)","rgb(99,99,99)","rgb(37,37,37)"],6:["rgb(247,247,247)","rgb(217,217,217)","rgb(189,189,189)","rgb(150,150,150)","rgb(99,99,99)","rgb(37,37,37)"],7:["rgb(247,247,247)","rgb(217,217,217)","rgb(189,189,189)","rgb(150,150,150)","rgb(115,115,115)","rgb(82,82,82)","rgb(37,37,37)"],8:["rgb(255,255,255)","rgb(240,240,240)","rgb(217,217,217)","rgb(189,189,189)","rgb(150,150,150)","rgb(115,115,115)","rgb(82,82,82)","rgb(37,37,37)"],9:["rgb(255,255,255)","rgb(240,240,240)","rgb(217,217,217)","rgb(189,189,189)","rgb(150,150,150)","rgb(115,115,115)","rgb(82,82,82)","rgb(37,37,37)","rgb(0,0,0)"]},
PuOr:{3:["rgb(241,163,64)","rgb(247,247,247)","rgb(153,142,195)"],4:["rgb(230,97,1)","rgb(253,184,99)","rgb(178,171,210)","rgb(94,60,153)"],5:["rgb(230,97,1)","rgb(253,184,99)","rgb(247,247,247)","rgb(178,171,210)","rgb(94,60,153)"],6:["rgb(179,88,6)","rgb(241,163,64)","rgb(254,224,182)","rgb(216,218,235)","rgb(153,142,195)","rgb(84,39,136)"],7:["rgb(179,88,6)","rgb(241,163,64)","rgb(254,224,182)","rgb(247,247,247)","rgb(216,218,235)","rgb(153,142,195)","rgb(84,39,136)"],8:["rgb(179,88,6)","rgb(224,130,20)","rgb(253,184,99)","rgb(254,224,182)","rgb(216,218,235)","rgb(178,171,210)","rgb(128,115,172)","rgb(84,39,136)"],9:["rgb(179,88,6)","rgb(224,130,20)","rgb(253,184,99)","rgb(254,224,182)","rgb(247,247,247)","rgb(216,218,235)","rgb(178,171,210)","rgb(128,115,172)","rgb(84,39,136)"],10:["rgb(127,59,8)","rgb(179,88,6)","rgb(224,130,20)","rgb(253,184,99)","rgb(254,224,182)","rgb(216,218,235)","rgb(178,171,210)","rgb(128,115,172)","rgb(84,39,136)","rgb(45,0,75)"],11:["rgb(127,59,8)","rgb(179,88,6)","rgb(224,130,20)","rgb(253,184,99)","rgb(254,224,182)","rgb(247,247,247)","rgb(216,218,235)","rgb(178,171,210)","rgb(128,115,172)","rgb(84,39,136)","rgb(45,0,75)"]},
BrBG:{3:["rgb(216,179,101)","rgb(245,245,245)","rgb(90,180,172)"],4:["rgb(166,97,26)","rgb(223,194,125)","rgb(128,205,193)","rgb(1,133,113)"],5:["rgb(166,97,26)","rgb(223,194,125)","rgb(245,245,245)","rgb(128,205,193)","rgb(1,133,113)"],6:["rgb(140,81,10)","rgb(216,179,101)","rgb(246,232,195)","rgb(199,234,229)","rgb(90,180,172)","rgb(1,102,94)"],7:["rgb(140,81,10)","rgb(216,179,101)","rgb(246,232,195)","rgb(245,245,245)","rgb(199,234,229)","rgb(90,180,172)","rgb(1,102,94)"],8:["rgb(140,81,10)","rgb(191,129,45)","rgb(223,194,125)","rgb(246,232,195)","rgb(199,234,229)","rgb(128,205,193)","rgb(53,151,143)","rgb(1,102,94)"],9:["rgb(140,81,10)","rgb(191,129,45)","rgb(223,194,125)","rgb(246,232,195)","rgb(245,245,245)","rgb(199,234,229)","rgb(128,205,193)","rgb(53,151,143)","rgb(1,102,94)"],10:["rgb(84,48,5)","rgb(140,81,10)","rgb(191,129,45)","rgb(223,194,125)","rgb(246,232,195)","rgb(199,234,229)","rgb(128,205,193)","rgb(53,151,143)","rgb(1,102,94)","rgb(0,60,48)"],11:["rgb(84,48,5)","rgb(140,81,10)","rgb(191,129,45)","rgb(223,194,125)","rgb(246,232,195)","rgb(245,245,245)","rgb(199,234,229)","rgb(128,205,193)","rgb(53,151,143)","rgb(1,102,94)","rgb(0,60,48)"]},
PRGn:{3:["rgb(175,141,195)","rgb(247,247,247)","rgb(127,191,123)"],4:["rgb(123,50,148)","rgb(194,165,207)","rgb(166,219,160)","rgb(0,136,55)"],5:["rgb(123,50,148)","rgb(194,165,207)","rgb(247,247,247)","rgb(166,219,160)","rgb(0,136,55)"],6:["rgb(118,42,131)","rgb(175,141,195)","rgb(231,212,232)","rgb(217,240,211)","rgb(127,191,123)","rgb(27,120,55)"],7:["rgb(118,42,131)","rgb(175,141,195)","rgb(231,212,232)","rgb(247,247,247)","rgb(217,240,211)","rgb(127,191,123)","rgb(27,120,55)"],8:["rgb(118,42,131)","rgb(153,112,171)","rgb(194,165,207)","rgb(231,212,232)","rgb(217,240,211)","rgb(166,219,160)","rgb(90,174,97)","rgb(27,120,55)"],9:["rgb(118,42,131)","rgb(153,112,171)","rgb(194,165,207)","rgb(231,212,232)","rgb(247,247,247)","rgb(217,240,211)","rgb(166,219,160)","rgb(90,174,97)","rgb(27,120,55)"],10:["rgb(64,0,75)","rgb(118,42,131)","rgb(153,112,171)","rgb(194,165,207)","rgb(231,212,232)","rgb(217,240,211)","rgb(166,219,160)","rgb(90,174,97)","rgb(27,120,55)","rgb(0,68,27)"],11:["rgb(64,0,75)","rgb(118,42,131)","rgb(153,112,171)","rgb(194,165,207)","rgb(231,212,232)","rgb(247,247,247)","rgb(217,240,211)","rgb(166,219,160)","rgb(90,174,97)","rgb(27,120,55)","rgb(0,68,27)"]},
PiYG:{3:["rgb(233,163,201)","rgb(247,247,247)","rgb(161,215,106)"],4:["rgb(208,28,139)","rgb(241,182,218)","rgb(184,225,134)","rgb(77,172,38)"],5:["rgb(208,28,139)","rgb(241,182,218)","rgb(247,247,247)","rgb(184,225,134)","rgb(77,172,38)"],6:["rgb(197,27,125)","rgb(233,163,201)","rgb(253,224,239)","rgb(230,245,208)","rgb(161,215,106)","rgb(77,146,33)"],7:["rgb(197,27,125)","rgb(233,163,201)","rgb(253,224,239)","rgb(247,247,247)","rgb(230,245,208)","rgb(161,215,106)","rgb(77,146,33)"],8:["rgb(197,27,125)","rgb(222,119,174)","rgb(241,182,218)","rgb(253,224,239)","rgb(230,245,208)","rgb(184,225,134)","rgb(127,188,65)","rgb(77,146,33)"],9:["rgb(197,27,125)","rgb(222,119,174)","rgb(241,182,218)","rgb(253,224,239)","rgb(247,247,247)","rgb(230,245,208)","rgb(184,225,134)","rgb(127,188,65)","rgb(77,146,33)"],10:["rgb(142,1,82)","rgb(197,27,125)","rgb(222,119,174)","rgb(241,182,218)","rgb(253,224,239)","rgb(230,245,208)","rgb(184,225,134)","rgb(127,188,65)","rgb(77,146,33)","rgb(39,100,25)"],11:["rgb(142,1,82)","rgb(197,27,125)","rgb(222,119,174)","rgb(241,182,218)","rgb(253,224,239)","rgb(247,247,247)","rgb(230,245,208)","rgb(184,225,134)","rgb(127,188,65)","rgb(77,146,33)","rgb(39,100,25)"]},
RdBu:{3:["rgb(239,138,98)","rgb(247,247,247)","rgb(103,169,207)"],4:["rgb(202,0,32)","rgb(244,165,130)","rgb(146,197,222)","rgb(5,113,176)"],5:["rgb(202,0,32)","rgb(244,165,130)","rgb(247,247,247)","rgb(146,197,222)","rgb(5,113,176)"],6:["rgb(178,24,43)","rgb(239,138,98)","rgb(253,219,199)","rgb(209,229,240)","rgb(103,169,207)","rgb(33,102,172)"],7:["rgb(178,24,43)","rgb(239,138,98)","rgb(253,219,199)","rgb(247,247,247)","rgb(209,229,240)","rgb(103,169,207)","rgb(33,102,172)"],8:["rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(209,229,240)","rgb(146,197,222)","rgb(67,147,195)","rgb(33,102,172)"],9:["rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(247,247,247)","rgb(209,229,240)","rgb(146,197,222)","rgb(67,147,195)","rgb(33,102,172)"],10:["rgb(103,0,31)","rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(209,229,240)","rgb(146,197,222)","rgb(67,147,195)","rgb(33,102,172)","rgb(5,48,97)"],11:["rgb(103,0,31)","rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(247,247,247)","rgb(209,229,240)","rgb(146,197,222)","rgb(67,147,195)","rgb(33,102,172)","rgb(5,48,97)"]},
RdGy:{3:["rgb(239,138,98)","rgb(255,255,255)","rgb(153,153,153)"],4:["rgb(202,0,32)","rgb(244,165,130)","rgb(186,186,186)","rgb(64,64,64)"],5:["rgb(202,0,32)","rgb(244,165,130)","rgb(255,255,255)","rgb(186,186,186)","rgb(64,64,64)"],6:["rgb(178,24,43)","rgb(239,138,98)","rgb(253,219,199)","rgb(224,224,224)","rgb(153,153,153)","rgb(77,77,77)"],7:["rgb(178,24,43)","rgb(239,138,98)","rgb(253,219,199)","rgb(255,255,255)","rgb(224,224,224)","rgb(153,153,153)","rgb(77,77,77)"],8:["rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(224,224,224)","rgb(186,186,186)","rgb(135,135,135)","rgb(77,77,77)"],9:["rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(255,255,255)","rgb(224,224,224)","rgb(186,186,186)","rgb(135,135,135)","rgb(77,77,77)"],10:["rgb(103,0,31)","rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(224,224,224)","rgb(186,186,186)","rgb(135,135,135)","rgb(77,77,77)","rgb(26,26,26)"],11:["rgb(103,0,31)","rgb(178,24,43)","rgb(214,96,77)","rgb(244,165,130)","rgb(253,219,199)","rgb(255,255,255)","rgb(224,224,224)","rgb(186,186,186)","rgb(135,135,135)","rgb(77,77,77)","rgb(26,26,26)"]},
RdYlBu:{3:["rgb(252,141,89)","rgb(255,255,191)","rgb(145,191,219)"],4:["rgb(215,25,28)","rgb(253,174,97)","rgb(171,217,233)","rgb(44,123,182)"],5:["rgb(215,25,28)","rgb(253,174,97)","rgb(255,255,191)","rgb(171,217,233)","rgb(44,123,182)"],6:["rgb(215,48,39)","rgb(252,141,89)","rgb(254,224,144)","rgb(224,243,248)","rgb(145,191,219)","rgb(69,117,180)"],7:["rgb(215,48,39)","rgb(252,141,89)","rgb(254,224,144)","rgb(255,255,191)","rgb(224,243,248)","rgb(145,191,219)","rgb(69,117,180)"],8:["rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,144)","rgb(224,243,248)","rgb(171,217,233)","rgb(116,173,209)","rgb(69,117,180)"],9:["rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,144)","rgb(255,255,191)","rgb(224,243,248)","rgb(171,217,233)","rgb(116,173,209)","rgb(69,117,180)"],10:["rgb(165,0,38)","rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,144)","rgb(224,243,248)","rgb(171,217,233)","rgb(116,173,209)","rgb(69,117,180)","rgb(49,54,149)"],11:["rgb(165,0,38)","rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,144)","rgb(255,255,191)","rgb(224,243,248)","rgb(171,217,233)","rgb(116,173,209)","rgb(69,117,180)","rgb(49,54,149)"]},
Spectral:{3:["rgb(252,141,89)","rgb(255,255,191)","rgb(153,213,148)"],4:["rgb(215,25,28)","rgb(253,174,97)","rgb(171,221,164)","rgb(43,131,186)"],5:["rgb(215,25,28)","rgb(253,174,97)","rgb(255,255,191)","rgb(171,221,164)","rgb(43,131,186)"],6:["rgb(213,62,79)","rgb(252,141,89)","rgb(254,224,139)","rgb(230,245,152)","rgb(153,213,148)","rgb(50,136,189)"],7:["rgb(213,62,79)","rgb(252,141,89)","rgb(254,224,139)","rgb(255,255,191)","rgb(230,245,152)","rgb(153,213,148)","rgb(50,136,189)"],8:["rgb(213,62,79)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(230,245,152)","rgb(171,221,164)","rgb(102,194,165)","rgb(50,136,189)"],9:["rgb(213,62,79)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(255,255,191)","rgb(230,245,152)","rgb(171,221,164)","rgb(102,194,165)","rgb(50,136,189)"],10:["rgb(158,1,66)","rgb(213,62,79)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(230,245,152)","rgb(171,221,164)","rgb(102,194,165)","rgb(50,136,189)","rgb(94,79,162)"],11:["rgb(158,1,66)","rgb(213,62,79)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(255,255,191)","rgb(230,245,152)","rgb(171,221,164)","rgb(102,194,165)","rgb(50,136,189)","rgb(94,79,162)"]},
RdYlGn:{3:["rgb(252,141,89)","rgb(255,255,191)","rgb(145,207,96)"],4:["rgb(215,25,28)","rgb(253,174,97)","rgb(166,217,106)","rgb(26,150,65)"],5:["rgb(215,25,28)","rgb(253,174,97)","rgb(255,255,191)","rgb(166,217,106)","rgb(26,150,65)"],6:["rgb(215,48,39)","rgb(252,141,89)","rgb(254,224,139)","rgb(217,239,139)","rgb(145,207,96)","rgb(26,152,80)"],7:["rgb(215,48,39)","rgb(252,141,89)","rgb(254,224,139)","rgb(255,255,191)","rgb(217,239,139)","rgb(145,207,96)","rgb(26,152,80)"],8:["rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(217,239,139)","rgb(166,217,106)","rgb(102,189,99)","rgb(26,152,80)"],9:["rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(255,255,191)","rgb(217,239,139)","rgb(166,217,106)","rgb(102,189,99)","rgb(26,152,80)"],10:["rgb(165,0,38)","rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(217,239,139)","rgb(166,217,106)","rgb(102,189,99)","rgb(26,152,80)","rgb(0,104,55)"],11:["rgb(165,0,38)","rgb(215,48,39)","rgb(244,109,67)","rgb(253,174,97)","rgb(254,224,139)","rgb(255,255,191)","rgb(217,239,139)","rgb(166,217,106)","rgb(102,189,99)","rgb(26,152,80)","rgb(0,104,55)"]}};
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Raw
graffiti.geojson
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Raw
index.html
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.5/leaflet.css" />
<!--[if lte IE 8]>
<link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.5/leaflet.ie.css" />
<![endif]-->
<script src="http://d3js.org/d3.v3.min.js"></script>
<script src="http://d3js.org/d3.hexbin.v0.js"></script>
<script src="http://cdn.leafletjs.com/leaflet-0.5/leaflet-src.js"></script>
<script src="colorbrewer.js"></script>
<script src="leaflet.hexbin-layer.js"></script>
<style type="text/css">
html, body { margin: 0; padding: 0; height: 100%; }
#graffiti { min-height: 100%; }
.hexagon { opacity: 0.7 }
</style>
</head>
<body>
<div id='graffiti' data-source="graffiti.geojson"></div>
<script type="text/javascript">
(function () {
var max, scale,
classes = 9,
scheme = colorbrewer["YlOrRd"][classes],
container = L.DomUtil.get('graffiti'),
map = L.map(container).setView([49.27856, -123.1185], 15);
L.tileLayer('http://{s}.tile.stamen.com/watercolor/{z}/{x}/{y}.png', {
attribution: '<a id="home-link" target="_top" href="../">Map tiles</a> by <a target="_top" href="http://stamen.com">Stamen Design</a>, under <a target="_top" href="http://creativecommons.org/licenses/by/3.0">CC BY 3.0</a>. Data by <a target="_top" href="http://openstreetmap.org">OpenStreetMap</a>, under <a target="_top" href="http://creativecommons.org/licenses/by-sa/3.0">CC BY SA</a>',
}).addTo(map);
// Async call for data. Source URL is loaded from container element's
// 'data-source' attribute.
d3.json(container.dataset.source, function(collection) {
// When data arrives, create leaflet layer with custom style callback.
L.hexLayer(collection, {
applyStyle: hex_style
}).addTo(map);
});
/**
* Hexbin style callback.
*
* Determines a quantize scale (http://bl.ocks.org/4060606) based on the
* map's initial data density (which is based on the initial zoom level)
* and applies a colorbrewer (http://colorbrewer2.org/) colour scheme
* accordingly.
*/
function hex_style(hexagons) {
// Maintain a density scale relative to initial zoom level.
if (!(max && scale)) {
max = d3.max(hexagons.data(), function (d) { return d.length; });
scale = d3.scale.quantize()
.domain([0, max])
.range(d3.range(classes));
}
hexagons
.attr("stroke", scheme[classes - 1])
.attr("fill", function (d) {
return scheme[scale(d.length)];
});
}
}());
</script>
</body>
</html>
Raw
leaflet.hexbin-layer.js
L.HexLayer = L.Class.extend({
includes: L.Mixin.Events,
options: {
minZoom: 0,
maxZoom: 18,
padding: 100,
radius: 10
},
initialize: function (data, options) {
var options = L.setOptions(this, options);
this._layout = d3.hexbin().radius(this.options.radius);
this._data = data;
this._levels = {};
},
onAdd: function (map) {
this._map = map;
// Create a container for svg.
this._initContainer();
// Set up events
map.on({
'moveend': this._update
}, this);
this._update();
},
onRemove: function (map) {
this._container.parentNode.removeChild(this._container);
map.off({
'moveend': this._update
}, this);
this._container = null;
this._map = null;
},
addTo: function (map) {
map.addLayer(this);
return this;
},
_initContainer: function () {
var overlayPane = this._map.getPanes().overlayPane;
if (!this._container || overlayPane.empty) {
// TODO: Add optional ID attribute in the case of multiple layers.
this._container = d3.select(overlayPane)
.append('svg').attr('class', 'leaflet-layer leaflet-zoom-hide');
}
},
_update: function () {
if (!this._map) { return; }
var zoom = this._map.getZoom();
if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
return;
}
var padding = this.options.padding,
bounds = this._translateBounds(d3.geo.bounds(this._data));
width = bounds.getSize().x + (2 * padding),
height = bounds.getSize().y + (2 * padding),
margin_top = bounds.min.y - padding,
margin_left = bounds.min.x - padding;
this._layout.size([width, height]);
this._container.attr("width", width).attr("height", height)
.style("margin-left", margin_left + "px").style("margin-top", margin_top + "px");
if (!(zoom in this._levels)) {
this._levels[zoom] = this._container.append("g").attr("class", "zoom-" + zoom);
this._createHexagons(this._levels[zoom]);
this._levels[zoom].attr("transform", "translate(" + -margin_left + "," + -margin_top + ")");
}
this._setLevel(zoom);
},
_setLevel: function (zoom) {
if (this._currentLevel) {
this._currentLevel.style("display", "none");
}
this._currentLevel = this._levels[zoom];
this._currentLevel.style("display", "inline");
},
_createHexagons: function (container) {
var layout = this._layout,
data = this._data.features.map(function (d) {
return this._project(d.geometry.coordinates);
}, this),
bins = layout(data),
hexagons = container.selectAll(".hexagon").data(bins);
// Create hexagon elements when data is added.
var path = hexagons.enter().append("path").attr("class", "hexagon");
this._applyStyle(path);
// Position hexagon elements.
hexagons.attr("d", function (d) {
// Setting "M" ensures each hexagon is drawn at its correct location.
return "M" + d.x + "," + d.y + layout.hexagon();
});
},
_applyStyle: function (hexagons) {
if ('applyStyle' in this.options) {
this.options.applyStyle.call(this, hexagons);
}
},
_project: function (x) {
var point = this._map.latLngToLayerPoint([x[1], x[0]]);
return [point.x, point.y];
},
_translateBounds: function (d3_bounds) {
var nw = this._project([d3_bounds[0][0], d3_bounds[1][1]]),
se = this._project([d3_bounds[1][0], d3_bounds[0][1]]);
return L.bounds(nw, se);
}
});
L.hexLayer = function (data, options) {
return new L.HexLayer(data, options);
};
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