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labels.mss
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labels.mss
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// =====================================================================
// LABELS
// General notes:
// - `text-halo-rasterizer: fast;` gives a noticeable performance
// boost to render times and is recommended for *all* halos.
// ---------------------------------------------------------------------
// Languages
// There are 5 language options in the MapBox Streets vector tiles:
// - Local/default: '[name]'
// - English: '[name_en]'
// - French: '[name_fr]'
// - Spanish: '[name_es]'
// - German: '[name_de]'
@name: '[name:latin]';
// ---------------------------------------------------------------------
// Fonts
// All fontsets should have a good fallback that covers as many glyphs
// as possible.
@sans: 'Open Sans Regular';
@sans_md: 'Open Sans Semibold';
@sans_bd: 'Open Sans Bold';
@sans_it: 'Open Sans Italic';
@sans_lt_italic: 'Open Sans Light Italic';
@sans_lt: 'Open Sans Light';
@place_halo: #fff;
@country_text: @land * 0.2;
@country_halo: @place_halo;
// ---------------------------------------------------------------------
// Countries
// The country labels in MapBox Streets vector tiles are placed by hand,
// optimizing the arrangement to fit as many as possible in densely-
// labeled areas.
#place[class='country'][zoom>=2][zoom<=10] {
text-name: @name;
text-face-name: @sans_bd;
[zoom=2] { text-face-name: @sans; }
text-placement: point;
text-size: 9;
text-fill: @country_text;
text-halo-fill: @country_halo;
text-halo-radius: 1;
text-halo-rasterizer: fast;
text-wrap-width: 20;
text-wrap-before: true;
text-line-spacing: -3;
[rank=1] {
[zoom=3] { text-size: 12; text-wrap-width: 60; }
[zoom=4] { text-size: 14; text-wrap-width: 90; }
[zoom=5] { text-size: 20; text-wrap-width: 120; }
[zoom>=6] { text-size: 20; text-wrap-width: 120; }
}
[rank=2] {
[zoom=2] { text-name: [code]; }
[zoom=3] { text-size: 11; }
[zoom=4] { text-size: 13; }
[zoom=5] { text-size: 17; }
[zoom>=6] { text-size: 20; }
}
[rank=3] {
[zoom=3] { text-name: [code]; }
[zoom=4] { text-size: 11; }
[zoom=5] { text-size: 15; }
[zoom=6] { text-size: 17; }
[zoom=7] { text-size: 18; text-wrap-width: 60; }
[zoom>=8] { text-size: 20; text-wrap-width: 120; }
}
[rank=4] {
[zoom=5] { text-size: 13; }
[zoom=6] { text-size: 15; text-wrap-width: 60 }
[zoom=7] { text-size: 16; text-wrap-width: 90; }
[zoom=8] { text-size: 18; text-wrap-width: 120; }
[zoom>=9] { text-size: 20; text-wrap-width: 120; }
}
[rank=5] {
[zoom=5] { text-size: 11; }
[zoom=6] { text-size: 13; }
[zoom=7] { text-size: 14; text-wrap-width: 60; }
[zoom=8] { text-size: 16; text-wrap-width: 90; }
[zoom>=9] { text-size: 18; text-wrap-width: 120; }
}
[rank>=6] {
[zoom=7] { text-size: 12; }
[zoom=8] { text-size: 14; }
[zoom>=9] { text-size: 16; }
}
}
// ---------------------------------------------------------------------
// Cities, towns, villages, etc
// City labels with dots for low zoom levels.
// The separate attachment keeps the size of the XML down.
#place::citydots[class='city'][zoom>=4][zoom<=7] {
// explicitly defining all the `ldir` values wer'e going
// to use shaves a bit off the final project.xml size
shield-file: url("shield/dot.svg");
shield-unlock-image: true;
shield-name: @name;
shield-size: 12;
[zoom=7] { shield-size: 14; }
shield-face-name: @sans;
shield-placement: point;
shield-fill: #333;
shield-halo-fill: fadeout(#fff, 50%);
shield-halo-radius: 1;
shield-halo-rasterizer: fast;
}
#place[zoom>=8] {
text-name: @name;
text-face-name: @sans;
text-wrap-width: 120;
text-wrap-before: true;
text-fill: #333;
text-halo-fill: fadeout(#fff, 50%);
text-halo-radius: 1;
text-halo-rasterizer: fast;
text-size: 10;
text-avoid-edges: true;
[class='city'] {
text-face-name: @sans_md;
text-size: 16;
[zoom>=10] {
text-size: 18;
text-wrap-width: 140;
}
[zoom>=12] {
text-size: 24;
text-wrap-width: 180;
}
// Hide at largest scales:
[zoom>=16] { text-name: "''"; }
}
[class='town'] {
text-size: 14;
[zoom>=12] { text-size: 16; }
[zoom>=14] { text-size: 20; }
[zoom>=16] { text-size: 24; }
// Hide at largest scales:
[zoom>=18] { text-name: "''"; }
}
[class='village'] {
text-size: 12;
[zoom>=12] { text-size: 14; }
[zoom>=14] { text-size: 18; }
[zoom>=16] { text-size: 22; }
}
[class='hamlet'],
[class='suburb'],
[class='neighbourhood'] {
text-fill: #633;
text-face-name: @sans_bd;
text-transform: uppercase;
text-character-spacing: 0.5;
[zoom<14] { text-name: "''"; }
[zoom>=14] { text-size: 11; }
[zoom>=15] { text-size: 12; text-character-spacing: 1; }
[zoom>=16] { text-size: 14; text-character-spacing: 2; }
}
}
// ---------------------------------------------------------------------
// Points of interest
#poi[zoom=14][rank<=1],
#poi[zoom=15][rank<=2],
#poi[zoom=16][rank<=3],
#poi[zoom=17][rank<=4],
#poi[zoom>=18] {
// Separate icon and label attachments are created to ensure that
// all icon placement happens first, then labels are placed only
// if there is still room.
::icon[class!=null] {
// The [maki] field values match a subset of Maki icon names, so we
// can use that in our url expression.
// Not all POIs have a Maki icon assigned, so we limit this section
// to those that do. See also <https://www.mapbox.com/maki/>
marker-fill:#666;
marker-file:url('icon/[class]-12.svg');
}
::label {
text-name: @name;
text-face-name: @sans_md;
text-size: 12;
text-fill: #666;
text-halo-fill: fadeout(#fff, 50%);
text-halo-radius: 1;
text-halo-rasterizer: fast;
text-wrap-width: 70;
text-line-spacing: -1;
//text-transform: uppercase;
//text-character-spacing: 0.25;
// POI labels with an icon need to be offset:
[class!=null] { text-dy: 8; }
}
}
// ---------------------------------------------------------------------
// Roads
#transportation_name::shield-pt[class='motorway'][zoom>=7][zoom<=10][ref_length<=6],
#transportation_name::shield-pt[class='motorway'][zoom>=9][zoom<=10][ref_length<=6],
#transportation_name::shield-ln[zoom>=11][reflen<=6] {
shield-name: "[ref].replace('·', '\n')";
shield-size: 9;
shield-line-spacing: -4;
shield-file: url('shield/default-[reflen].svg');
shield-face-name: @sans;
shield-fill: #333;
[zoom>=14] {
shield-transform: scale(1.25,1.25);
shield-size: 11;
}
}
#transportation_name::shield-pt[class='motorway'][zoom>=7][zoom<=10][ref_length<=6],
#transportation_name::shield-pt[class='motorway'][zoom>=9][zoom<=10][ref_length<=6] {
shield-placement: point;
shield-avoid-edges: false;
}
#transportation_name::shield-ln[zoom>=11][reflen<=6] {
shield-placement: line;
shield-spacing: 400;
shield-min-distance: 100;
shield-avoid-edges: true;
}
#transportation_name {
[class!='rail'][class!='platform'] {
text-name: @name;
text-placement: line; // text follows line path
text-face-name: @sans;
text-fill: #765;
text-halo-fill: fadeout(#fff, 50%);
text-halo-radius: 1;
text-halo-rasterizer: fast;
text-size: 12;
text-avoid-edges: true; // prevents clipped labels at tile edges
[zoom>=15] { text-size: 13; }
}
}
// ---------------------------------------------------------------------
// Water
#water_name {
[zoom<=13], // automatic area filtering @ low zooms
[zoom>=14][area>500000],
[zoom>=16][area>10000],
[zoom>=17] {
text-name: @name;
text-face-name: @sans_it;
text-fill: darken(@water, 15);
text-size: 12;
text-wrap-width: 100;
text-wrap-before: true;
text-halo-fill: fadeout(#fff, 75%);
text-halo-radius: 1.5;
}
}
// ---------------------------------------------------------------------
// House numbers
#housenumber[zoom>=18] {
text-name: [housenumber];
text-face-name: @sans_it;
text-fill: #cba;
text-size: 8;
[zoom=19] { text-size: 10; }
[zoom>=20] { text-size: 12; }
}