Part 2 of using TileMill. We’ll make some decent street renderings (based on DC Maps), use SVG markers, show raster imagery, and hack TileMill to do 2.5D buildings based on a field value.
Main Styles
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Map {
background-color : #fff ;
}
#buildings {
[ zoom > 14 ] {
line - color : #594 ;
line - width : 0 . 5 ;
polygon - fill : #ccc ;
polygon - opacity : 1 ;
}
[ zoom >= 16 ] {
building - height : "[HEIGHT] * .75" ;
building - fill : #ccc ;
building - fill - opacity : 0 . 6 ;
}
}
#trees {
[ zoom = 16 ] {
marker - width : 2 ;
marker - fill : #6FBF4D ;
marker - opacity : 0 . 8 ;
marker - line - color : #40821F ;
marker - allow - overlap : true ;
}
[ zoom > 16 ] {
point - file : url(images/tree.svg) ;
point - transform : "scale(0.15)" ;
}
[ zoom = 18 ] {
point - transform : "scale(0.3)" ;
}
}
#relief {
raster - opacity : 1 ;
}
#hillshade {
[ zoom < 16 ] {
raster - opacity : 0 . 5
}
}
#slopeshade {
[ zoom < 16 ] {
raster - opacity : 0 . 10 ;
}
}
Road Style
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@motorway : #F8D6E0 ; /* #90BFE0 */
@trunk : #FFFABB ;
@primary : @trunk ;
@road : #bbb ;
@secondary : @road ;
@track : @road ;
@font_reg : "Ubuntu Regular" , "Arial Regular" , "DejaVu Sans Book" ;
/* ---- ROAD COLORS ---- */
/*.highway.line { line-color: #f00; } /* debug */
.highway [ stylegroup = 'HIGHWAY' ] {
.line [ zoom >= 7 ] {
line - color : spin ( darken ( @ motorway , 36 ) ,- 10 );
line - cap : round ;
line - join : round ;
}
.fill [ zoom >= 10 ] {
line - color :@ motorway ;
line - cap : round ;
line - join : round ;
}
}
.highway [ stylegroup = 'RAMP' ] {
.line [ zoom >= 7 ] {
line - color : spin ( darken ( @ motorway , 36 ) ,- 10 );
line - cap : round ;
line - join : round ;
}
.fill [ zoom >= 12 ] {
line - color :@ motorway ;
line - cap : round ;
line - join : round ;
}
}
.highway [ stylegroup = 'PRIMARY' ] {
.line [ zoom >= 7 ] {
line - color : spin ( darken ( @ primary , 36 ) ,- 10 );
line - cap : round ;
line - join : round ;
}
.fill [ zoom >= 12 ] {
line - color :@ primary ;
line - cap : round ;
line - join : round ;
}
}
.highway [ stylegroup = 'SECONDARY' ] {
. line [ zoom >= 10 ] {
line - color :@ road ;
line - cap : round ;
line - join : round ;
}
.fill [ zoom >= 15 ] {
line - color : #fff ;
line - cap : round ;
line - join : round ;
}
}
/* ---- ROAD WIDTHS ---- */
.highway [ zoom = 13 ] {
. line [ stylegroup = 'HIGHWAY' ] { line - width : 2 . 0 + 2 ; }
.fill [ stylegroup = 'HIGHWAY' ] { line - width : 2 . 0 ; }
.line [ stylegroup = 'PRIMARY' ] { line - width : 1 . 2 + 2 ; }
.fill [ stylegroup = 'PRIMARY' ] { line - width : 1 . 2 ; }
.line [ stylegroup = 'RAMP' ] { line - width : 1 . 0 + 2 ; }
.fill [ stylegroup = 'RAMP' ] { line - width : 1 . 0 ; }
.line [ stylegroup = 'SECONDARY' ] { line - width : 1 . 0 ; }
}
.highway [ zoom = 14 ] {
. line [ stylegroup = 'HIGHWAY' ] { line - width : 4 + 2 ; }
.fill [ stylegroup = 'HIGHWAY' ] { line - width : 4 ; }
.line [ stylegroup = 'PRIMARY' ] { line - width : 2 + 2 ; }
.fill [ stylegroup = 'PRIMARY' ] { line - width : 2 ; }
.line [ stylegroup = 'RAMP' ] { line - width : 1 . 4 + 2 ; }
.fill [ stylegroup = 'RAMP' ] { line - width : 1 . 4 ; }
.line [ stylegroup = 'SECONDARY' ] { line - width : 1 . 0 ; }
}
.highway [ zoom = 15 ] {
. line [ stylegroup = 'HIGHWAY' ] { line - width : 6 + 2 ; }
.fill [ stylegroup = 'HIGHWAY' ] { line - width : 6 ; }
.line [ stylegroup = 'PRIMARY' ] { line - width : 4 + 2 ; }
.fill [ stylegroup = 'PRIMARY' ] { line - width : 4 ; }
.line [ stylegroup = 'RAMP' ] { line - width : 2 + 2 ; }
.fill [ stylegroup = 'RAMP' ] { line - width : 2 ; }
.line [ stylegroup = 'SECONDARY' ] { line - width : 4 + 2 ; }
.fill [ stylegroup = 'SECONDARY' ] { line - width : 4 ; }
}
.highway [ zoom = 16 ] {
. line [ stylegroup = 'HIGHWAY' ] { line - width : 9 + 3 ; }
.fill [ stylegroup = 'HIGHWAY' ] { line - width : 9 ; }
.line [ stylegroup = 'PRIMARY' ] { line - width : 7 + 2 ; }
.fill [ stylegroup = 'PRIMARY' ] { line - width : 7 ; }
.line [ stylegroup = 'RAMP' ] { line - width : 3 + 2 . 5 ; }
.fill [ stylegroup = 'RAMP' ] { line - width : 3 ; }
.line [ stylegroup = 'SECONDARY' ] { line - width : 6 + 2 ; }
.fill [ stylegroup = 'SECONDARY' ] { line - width : 6 ; }
}
.highway [ zoom >= 17 ] {
. line [ stylegroup = 'HIGHWAY' ] { line - width : 13 + 3 ; }
.fill [ stylegroup = 'HIGHWAY' ] { line - width : 13 ; }
.line [ stylegroup = 'PRIMARY' ] { line - width : 9 + 2 ; }
.fill [ stylegroup = 'PRIMARY' ] { line - width : 9 ; }
.line [ stylegroup = 'RAMP' ] { line - width : 4 + 2 . 5 ; }
.fill [ stylegroup = 'RAMP' ] { line - width : 4 ; }
.line [ stylegroup = 'SECONDARY' ] { line - width : 8 + 2 ; }
.fill [ stylegroup = 'SECONDARY' ] { line - width : 8 ; }
}
/* ---- ONE WAY ARROWS ---- */
.highway.fill : :oneway_arrow [ zoom > 15 ][ oneway > 0 ] {
marker - type : arrow ;
marker - width : 1 ;
marker - line - width : 1 ;
marker - line - opacity : 0 . 5 ;
marker - line - color : #fff ;
marker - spacing : 200 ;
marker - fill : spin ( darken ( @ motorway , 50 ) ,- 10 );
marker - opacity : 0 . 8 ;
}
/* ---- HIGHWAY ---- */
.highway-labels {
text - face - name :@ font_reg ;
text - halo - radius : 1 ;
text - placement : line ;
text - name : "''" ;
text - min - distance : 500 ;
[ stylegroup = 'HIGHWAY' ][ zoom >= 12 ] {
text - name : "[wholestnam]" ;
text - halo - fill : lighten ( @ motorway , 8 );
[ zoom >= 13 ] { text - size : 11 ; }
[ zoom >= 15 ] { text - size : 12 ; }
}
[ stylegroup = "PRIMARY" ][ zoom >= 13 ] {
text - name : "[wholestnam]" ;
text - fill : spin ( darken ( @ primary , 70 ) ,- 15 );
text - halo - fill : lighten ( @ primary , 8 );
[ zoom >= 15 ] { text - size : 11 ; }
}
[ stylegroup = 'SECONDARY' ][ zoom >= 16 ] {
text - name : "[wholestnam]" ;
text - fill : #444 ;
text - halo - fill : #fff ;
}
}
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