Mapping air quality and GPS data

README.md

A demonstration of mapping air pollutio and GPS data simultaneously.

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)"]}};

index.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <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://cdn.leafletjs.com/leaflet-0.5/leaflet-src.js"></script>
    <script src="http://d3js.org/d3.v3.js"></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/lodash.js/1.0.0-rc.3/lodash.underscore.min.js"></script>

    <script type="text/javascript" src="colorbrewer.js"></script>
    <script type="text/javascript" src="leaflet.points-layer.js"></script>

    <style type="text/css">
      html, body { 
        margin: 0;
        padding: 0;
        height: 100%;
      }

      #map { 
        height: 365px;
        width: 960px;
        margin-bottom: 1em;
      }

      .leaflet-popup-content ul { padding-left: 1.5em; }

      .circle { visibility: hidden; }
      .circle.selected { visibility: visible; }

      svg {
        font: 10px sans-serif;
      }

      .axis path, .axis line {
        fill: none;
        stroke: #000;
        shape-rendering: crispEdges;
      }
    </style>
  </head>
  <body>
    <div id='map' data-source="test_data_v4.geojson"></div>
    <script type="text/javascript">
    (function () {
        var extent, scale,
            classes = 9,
            scheme_id = "RdBu",
            reverse = false;
            //Circles get darker as depth field increase
			scheme = colorbrewer[scheme_id][classes],
            container = L.DomUtil.get('map'),
            map = L.map(container).setView([51.441051,0.105314], 13);  

        L.tileLayer('http://{s}.tiles.mapbox.com/v3/openplans.map-g4j0dszr/{z}/{x}/{y}.png', {
            attribution: '<a href="http://content.stamen.com/dotspotting_toner_cartography_available_for_download">Stamen Toner</a>, <a href="http://www.openstreetmap.org/">OpenStreetMap</a>, <a href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>',
            maxZoom: 17
        }).addTo(map);

        d3.json(container.dataset.source, function(collection) {
            L.pointsLayer(collection, {
                radius: get_radius,
                applyStyle: circle_style
            }).addTo(map);

            var chart = timeseries_chart(scheme)
                    .x(get_time).xLabel("Date / Time")
                    .y(get_magnitude).yLabel("Black Carbon")
                    .brushmove(on_brush);

            d3.select("body").datum(collection.features).call(chart);
        });

        function get_time(d) {
            return d3.time.format.iso.parse(d.properties.date_time);
        }

        function get_magnitude(d) {
            return +d.properties.kcl_bc_interpolated;
        }

        function on_brush(brush) {
            var s = brush.extent();
            d3.selectAll(".circle").classed("selected", function (d) {
                var time = get_time(d);
                return s[0] <= time && time <= s[1];
            });
        }

        function get_radius(d) {
            return 2 * 2;
        }

        function circle_style(circles) {
            if (!(extent && scale)) {
                extent = d3.extent(circles.data(), function (d) { return d.properties.kcl_bc_interpolated; });
                scale = d3.scale.log()
                        .domain(reverse ? extent.reverse() : extent)
                        .range(d3.range(classes));
            }
            circles.attr('opacity', 0.4)
                .attr('stroke', scheme[classes - 1])
                .attr('stroke-width', 1)
                .attr('fill', function (d) {
                    return scheme[(scale(d.properties.kcl_bc_interpolated) * 10).toFixed()];
                });

            circles.on('click', function (d, i) {
                L.DomEvent.stopPropagation(d3.event);

                var t = 
						'<h3><%- id %></h3>' +
                        '<ul>' +
                        '<li>Magnitude: <%- mag %></li>' +
                        '<li>Black Carbon: <%- kcl_bc_interpolated %> lg/m3</li>' +
                        '</ul>';

                var data = {
                        id: d.id,
                        mag: d.properties.kcl_bc_interpolated,
                        kcl_bc_interpolated: d.properties.kcl_bc_interpolated
                    };

                L.popup()
                    .setLatLng([d.geometry.coordinates[1], d.geometry.coordinates[0]])
                    .setContent(_.template(t, data))
                    .openOn(map);

            });
        }

        function timeseries_chart(color) {
            var margin = { top: 5, right: 5, bottom: 40, left: 45 },
                width = 960 - margin.left - margin.right,
                height = 250;

            var x = d3.time.scale(),
                y = d3.scale.linear(),
                x_label = "X", y_label = "Y",
                brush = d3.svg.brush().x(x).on("brush", _brushmove);

            var get_x = no_op,
                get_y = no_op;

            function timeseries(selection) {
                selection.each(function (d) {
                    x.range([0, width]);
                    y.range([height, 0]);

                    var series = d3.select(this).append("svg").attr("id", "quake-timeseries")
                            .attr("width", width + margin.left + margin.right)
                            .attr("height", height + margin.top + margin.bottom)
                            .append("g").attr("id", "date-brush")
                            .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

                    var x_axis = series.append("g")
                            .attr("class", "x axis")
                            .attr("transform", "translate(0," + height + ")");

                    var y_axis = series.append("g")
                            .attr("class", "y axis");

                    x_axis.append("text")
                        .attr("class", "label")
                        .attr("x", width/2)
                        .attr("y", 30)
                        .style("text-anchor", "end")
                        .text(x_label);

                    y_axis.append("text")
                        .attr("class", "label")
                        .attr("transform", "rotate(-90)")
                        .attr("y", -40)
                        .attr("dy", ".71em")
                        .style("text-anchor", "end")
                        .text(y_label);

                    series.append("clipPath")
                        .attr("id", "clip")
                        .append("rect")
                        .attr("width", width - 1)
                        .attr("height", height - .25)
                        .attr("transform", "translate(1,0)");

                    series.append("g")
                            .attr("class", "brush")
                            .call(brush)
                            .selectAll("rect")
                            .attr("height", height)
                            .style("stroke-width", 1)
                            .style("stroke", color[color.length - 1])
                            .style("fill", color[2])
                            .attr("opacity", 0.4);

                    x.domain(d3.extent(d, get_x));
                    x_axis.call(d3.svg.axis().scale(x).orient("bottom"));

                    y.domain(d3.extent(d, get_y));
                    y_axis.call(d3.svg.axis().scale(y).orient("left"));

                    series.append("g").attr("class", "timeseries")
                        .attr("clip-path", "url(#clip)")
                        .selectAll("circle")
                        .data(d).enter()
                        .append("circle")
                        .style("stroke", color[color.length - 2])
                        .style("stroke-width", .5)
                        .style("fill", color[color.length - 1])
                        .attr("opacity", .4)
                        .attr("r", 2)
                        .attr("transform", function (d) {
                            return "translate(" + x(get_x(d)) + "," + y(get_y(d)) + ")";
                        });
                });
            }

            timeseries.x = function (accessor) {
                if (!arguments.length) return get_x;
                get_x = accessor;
                return timeseries;
            };

            timeseries.y = function (accessor) {
                if (!arguments.length) return get_y;
                get_y = accessor;
                return timeseries;
            };

            timeseries.xLabel = function (label) {
                if (!arguments.length) return x_label;
                x_label = label;
                return timeseries;
            }

            timeseries.yLabel = function (label) {
                if (!arguments.length) return y_label;
                y_label = label;
                return timeseries;
            }

            timeseries.brushmove = function (cb) {
                if (!arguments.length) return brushmove;
                brushmove = cb;
                return timeseries;
            };

            function _brushmove() {
                brushmove.call(null, brush);
            }

            function no_op() {}

            return timeseries;
        }
    }());
    </script>
  </body>
</html>

leaflet.points-layer.js

L.PointsLayer = L.Class.extend({
    includes: L.Mixin.Events,

    options: {
        minZoom: 0,
        maxZoom: 18,
        padding: 100,
        radius: 3 
    },

    initialize: function (data, options) {
        var options = L.setOptions(this, options);
        this._data = data;
        this._path = d3.geo.path().projection(this._project.bind(this))
            .pointRadius(this._radius.bind(this));
    },

    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) {
            this._container = d3.select(overlayPane)
                .append('svg').attr('class', 'leaflet-layer leaflet-zoom-hide');

            this._layer = this._container.append("g");

            var circles = this._layer.selectAll(".circle")
                .data(this._data.features).enter()
                .append("path")
                .attr("class", "circle");

            this._applyStyle(circles);
        }
    },

    _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), padding);
            dimensions = bounds.getSize();

        this._container.attr("width", dimensions.x).attr("height", dimensions.y)
            .style("margin-left", bounds.min.x + "px").style("margin-top", bounds.min.y + "px");

        this._layer.attr("transform", "translate(" + -bounds.min.x+ "," + -bounds.min.y+ ")")

        this._layer.selectAll(".circle").attr("d", this._path);
    },

    _applyStyle: function (circles) {
        if ('applyStyle' in this.options) {
            this.options.applyStyle.call(this, circles);
        }
    },

    _radius: function (d) {
        if (typeof this.options.radius == 'function') {
            return this.options.radius.call(this, d);
        }
        return this.options.radius;
    },

    _project: function (x) {
        var point = this._map.latLngToLayerPoint([x[1], x[0]]);
        return [point.x, point.y];
    },

    _translateBounds: function (d3_bounds, padding) {
        var nw = this._project([d3_bounds[0][0], d3_bounds[1][1]]),
            se = this._project([d3_bounds[1][0], d3_bounds[0][1]]);

        nw[0] -= padding, nw[1] -= padding;
        se[0] += padding, se[1] += padding;

        return L.bounds(nw, se);
    }

});

L.pointsLayer = function (data, options) {
    return new L.PointsLayer(data, options);
};

test_data_v4.geojson

{"type":"FeatureCollection","features":[{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:07:00","longitude":51.4505948524959,"latitude":0.106243583959982,"kcl_bc_interpolated":0.00000000000000000000},"geometry":{"type":"Point","coordinates":[0.106243583959982,51.450594852495897]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:08:00","longitude":51.4501761007086,"latitude":0.106453538961144,"kcl_bc_interpolated":1.3200000000000000},"geometry":{"type":"Point","coordinates":[0.106453538961144,51.450176100708553]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:09:00","longitude":51.4500489953484,"latitude":0.107453012573638,"kcl_bc_interpolated":0.52200000000000000000},"geometry":{"type":"Point","coordinates":[0.107453012573638,51.450048995348389]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:10:00","longitude":51.4499018777434,"latitude":0.108403306716829,"kcl_bc_interpolated":3.7150000000000000},"geometry":{"type":"Point","coordinates":[0.108403306716829,51.449901877743351]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:11:00","longitude":51.4497566204286,"latitude":0.10952513764517,"kcl_bc_interpolated":4.2230000000000000},"geometry":{"type":"Point","coordinates":[0.10952513764517,51.449756620428644]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:12:00","longitude":51.4496756755935,"latitude":0.110600892671094,"kcl_bc_interpolated":1.1040000000000000},"geometry":{"type":"Point","coordinates":[0.110600892671094,51.449675675593483]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:13:00","longitude":51.4495689002044,"latitude":0.111736822236612,"kcl_bc_interpolated":2.3670000000000000},"geometry":{"type":"Point","coordinates":[0.111736822236612,51.449568900204426]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:14:00","longitude":51.449259745425,"latitude":0.112783762692885,"kcl_bc_interpolated":10.9960000000000000},"geometry":{"type":"Point","coordinates":[0.112783762692885,51.449259745425017]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:15:00","longitude":51.4489742563697,"latitude":0.113828882362719,"kcl_bc_interpolated":3.1890000000000000},"geometry":{"type":"Point","coordinates":[0.113828882362719,51.448974256369702]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:16:00","longitude":51.4486342096582,"latitude":0.114790976921885,"kcl_bc_interpolated":2.0350000000000000},"geometry":{"type":"Point","coordinates":[0.114790976921885,51.448634209658223]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:17:00","longitude":51.4482182128615,"latitude":0.115712230189452,"kcl_bc_interpolated":3.6510000000000000},"geometry":{"type":"Point","coordinates":[0.115712230189452,51.448218212861498]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:18:00","longitude":51.4480056621373,"latitude":0.116707304331475,"kcl_bc_interpolated":2.4970000000000000},"geometry":{"type":"Point","coordinates":[0.116707304331475,51.448005662137305]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:19:00","longitude":51.4476963286885,"latitude":0.117313679227243,"kcl_bc_interpolated":5.0090000000000000},"geometry":{"type":"Point","coordinates":[0.117313679227243,51.447696328688508]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:20:00","longitude":51.4471021953469,"latitude":0.117063812569953,"kcl_bc_interpolated":2.1420000000000000},"geometry":{"type":"Point","coordinates":[0.117063812569953,51.447102195346936]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:21:00","longitude":51.4464829953457,"latitude":0.117070012575571,"kcl_bc_interpolated":4.6660000000000000},"geometry":{"type":"Point","coordinates":[0.117070012575571,51.446482995345725]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:22:00","longitude":51.4458452810646,"latitude":0.11733529836915,"kcl_bc_interpolated":2.2280000000000000},"geometry":{"type":"Point","coordinates":[0.11733529836915,51.445845281064578]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:23:00","longitude":51.4451349953552,"latitude":0.117560812721487,"kcl_bc_interpolated":1.9100000000000000},"geometry":{"type":"Point","coordinates":[0.117560812721487,51.445134995355183]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:24:00","longitude":51.444392574297,"latitude":0.117791749482729,"kcl_bc_interpolated":1.3560000000000000},"geometry":{"type":"Point","coordinates":[0.117791749482729,51.444392574296955]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:25:00","longitude":51.4436827096309,"latitude":0.117944393559792,"kcl_bc_interpolated":1.8020000000000000},"geometry":{"type":"Point","coordinates":[0.117944393559792,51.443682709630949]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:26:00","longitude":51.4430064768257,"latitude":0.118014864445645,"kcl_bc_interpolated":1.3320000000000000},"geometry":{"type":"Point","coordinates":[0.118014864445645,51.44300647682573]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:27:00","longitude":51.442320631707,"latitude":0.118053194386424,"kcl_bc_interpolated":1.3840000000000000},"geometry":{"type":"Point","coordinates":[0.118053194386424,51.442320631706991]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:28:00","longitude":51.4418602620182,"latitude":0.117963345850925,"kcl_bc_interpolated":1.6240000000000000},"geometry":{"type":"Point","coordinates":[0.117963345850925,51.441860262018203]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:29:00","longitude":51.4412661381998,"latitude":0.117562012587949,"kcl_bc_interpolated":1.8010000000000000},"geometry":{"type":"Point","coordinates":[0.117562012587949,51.441266138199765]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:30:00","longitude":51.4405782585065,"latitude":0.1177864337169,"kcl_bc_interpolated":2.3800000000000000},"geometry":{"type":"Point","coordinates":[0.1177864337169,51.440578258506505]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:31:00","longitude":51.4400431620081,"latitude":0.118036457023128,"kcl_bc_interpolated":4.1040000000000000},"geometry":{"type":"Point","coordinates":[0.118036457023128,51.440043162008116]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:32:00","longitude":51.4395978079244,"latitude":0.118590825106513,"kcl_bc_interpolated":2.9450000000000000},"geometry":{"type":"Point","coordinates":[0.118590825106513,51.4395978079244]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:33:00","longitude":51.4390578286794,"latitude":0.118814179314014,"kcl_bc_interpolated":2.8650000000000000},"geometry":{"type":"Point","coordinates":[0.118814179314014,51.439057828679388]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:34:00","longitude":51.4384637953486,"latitude":0.118986212647452,"kcl_bc_interpolated":4.5820000000000000},"geometry":{"type":"Point","coordinates":[0.118986212647452,51.438463795348575]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:35:00","longitude":51.4378746620068,"latitude":0.119208790360209,"kcl_bc_interpolated":9.4990000000000000},"geometry":{"type":"Point","coordinates":[0.119208790360209,51.437874662006791]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:36:00","longitude":51.4372908953392,"latitude":0.119473412572242,"kcl_bc_interpolated":7.0570000000000000},"geometry":{"type":"Point","coordinates":[0.119473412572242,51.437290895339196]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:37:00","longitude":51.4366399397881,"latitude":0.119606679311877,"kcl_bc_interpolated":9.1290000000000000},"geometry":{"type":"Point","coordinates":[0.119606679311877,51.436639939788073]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:38:00","longitude":51.4360273030309,"latitude":0.119800166427357,"kcl_bc_interpolated":1.7640000000000000},"geometry":{"type":"Point","coordinates":[0.119800166427357,51.436027303030862]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:39:00","longitude":51.4354257953406,"latitude":0.119995012608171,"kcl_bc_interpolated":4.8490000000000000},"geometry":{"type":"Point","coordinates":[0.119995012608171,51.435425795340592]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:40:00","longitude":51.4347302953624,"latitude":0.120095612762914,"kcl_bc_interpolated":1.6780000000000000},"geometry":{"type":"Point","coordinates":[0.120095612762914,51.434730295362357]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:41:00","longitude":51.4341704953373,"latitude":0.120686262571908,"kcl_bc_interpolated":2.3680000000000000},"geometry":{"type":"Point","coordinates":[0.120686262571908,51.434170495337312]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 07:42:00","longitude":51.4337018574468,"latitude":0.121155288650495,"kcl_bc_interpolated":2.0860000000000000},"geometry":{"type":"Point","coordinates":[0.121155288650495,51.433701857446813]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 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08:01:00","longitude":51.4287687121133,"latitude":0.119408936205038,"kcl_bc_interpolated":1.0950000000000000},"geometry":{"type":"Point","coordinates":[0.119408936205038,51.428768712113254]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 08:02:00","longitude":51.428767305019,"latitude":0.119412760621367,"kcl_bc_interpolated":1.0030000000000000},"geometry":{"type":"Point","coordinates":[0.119412760621367,51.428767305019001]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 08:03:00","longitude":51.4287658979246,"latitude":0.119416585037458,"kcl_bc_interpolated":1.0590000000000000},"geometry":{"type":"Point","coordinates":[0.119416585037458,51.428765897924599]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 08:04:00","longitude":51.4287644908301,"latitude":0.119420409453313,"kcl_bc_interpolated":1.1400000000000000},"geometry":{"type":"Point","coordinates":[0.119420409453313,51.428764490830105]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 08:05:00","longitude":51.4287630837355,"latitude":0.119424233868928,"kcl_bc_interpolated":1.2040000000000000},"geometry":{"type":"Point","coordinates":[0.119424233868928,51.428763083735475]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 08:06:00","longitude":51.4287616766407,"latitude":0.119428058284307,"kcl_bc_interpolated":1.2270000000000000},"geometry":{"type":"Point","coordinates":[0.119428058284307,51.428761676640718]}},{"type":"Feature","id":13,"properties":{"date_time":"2012-12-10 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