water.mss

#water-areas [zoom >= 8] {
  ::water {
    [feature = 'natural_glacier'] {
      polygon-pattern-file: url('symbols/glacier.png');
      [zoom >= 8] {
        polygon-pattern-file: url('symbols/glacier2.png');
        polygon-pattern-alignment: global;
      }
    }

    [zoom >= 9] {
      [feature = 'waterway_dock'],
      [feature = 'waterway_mill_pond'],
      [feature = 'waterway_canal'] {
        polygon-gamma: 0.75;
        polygon-fill: @water-color;
      }
    }

    [feature = 'landuse_basin'][zoom<13] {
        polygon-gamma: 0.75;
        polygon-fill: @water-color;
    }

    [water = 'intermittent'][zoom >= 13],
    [feature = 'landuse_salt_pond'][zoom >= 13],
    [feature = 'landuse_basin'][zoom >= 13] {
      polygon-pattern-file: url('symbols/basin.png');
      polygon-pattern-alignment: global;
      line-color: @water-color;
    }

    [feature = 'amenity_fountain'],
    [feature = 'natural_lake'],
    [feature = 'natural_water'],
    [feature = 'landuse_reservoir'],
    [feature = 'waterway_riverbank'],
    [feature = 'landuse_water'],
    [feature = 'natural_bay'],
    [feature = 'natural_strait'] {
      polygon-fill: @water-color;
      polygon-gamma: 0.75;
      [intermittent = 'yes'] {
        polygon-opacity: 0;
        polygon-pattern-file: url('symbols/basin.png');
        polygon-pattern-alignment: global;
      }
    }
  }

  [feature = 'waterway_dam']::dam {
    polygon-fill: #aaa;
  }

  ::surface [zoom >= 13] {
    [feature = 'natural_mud'],
    [surface = 'mud']
    {
      polygon-pattern-file: url('symbols/mud.png');
      polygon-pattern-alignment: global;
      polygon-pattern-opacity: 0.5;
    }

    [feature = 'natural_sand'],
    [feature = 'natural_beach'],
    [surface = 'sand'],
    [surface = 'gravel']
    {
      polygon-pattern-file: url('symbols/beach.png');
      polygon-pattern-alignment: global;
      polygon-pattern-opacity: 0.5;
    }

    [feature = 'natural_bare_rock'],
    [surface = 'rocky']
    {
      polygon-pattern-file: url('symbols/fr/rocky_overlay.png');
      polygon-pattern-alignment: global;
      polygon-pattern-opacity: 0.5;
    }
  }
}

#water-lines-low-zoom {
    line-color: @water-color;
    [waterway = 'dam'] { line-color: #aaa; }
    line-width: 0.7;
    [zoom >= 9] { line-width: 1.2; }
    [zoom >= 10] { line-width: 1.6; }
    [tunnel = 'yes'],[tunnel = 'flooded'] {
      line-dasharray: 4,2;
    }
}

#water-lines {
  [waterway = 'river'] {
    line-color: @water-color;
    line-width: 2;
    line-cap: round;
    line-join: round;
    [zoom >= 13] { line-width: 3; }
    [zoom >= 14] { line-width: 5; }
    [zoom >= 15] { line-width: 6; }
    [zoom >= 17] { line-width: 10; }
    [zoom >= 18] { line-width: 12; }

    [tunnel = 'yes'],[tunnel = 'flooded'] {
      [zoom >= 14] {
        a/line-width: 6;
        a/line-dasharray: 4,2;
        a/line-color: @water-color;
        b/line-width: 4;
        b/line-color: white;
      }
      [zoom >= 15] { a/line-width: 7; }
      [zoom >= 17] { a/line-width: 11; b/line-width: 7; }
      [zoom >= 18] { a/line-width: 13; b/line-width: 9; }
    }
  }

  [waterway = 'pressurised'][zoom >= 12],
  [waterway = 'canal'][zoom >= 12] {
    line-color: @water-color;
    line-width: 3;
    line-cap: round;
    line-join: round;
    [zoom >= 13] { line-width: 4; }
    [zoom >= 17] { line-width: 11; }
    [zoom >= 14][tunnel = 'yes'],
    [zoom >= 14][tunnel = 'flooded'] {
	    line-cap: butt;
	    line-dasharray: 4,2;
      b/line-width: 1;
      b/line-color: white;
      [zoom >= 17] { b/line-width: 5; }
    }
  }

  [waterway = 'derelict_canal'],
  [waterway = 'canal'][disused = 'yes'] {
    [zoom >= 12] {
      line-width: 1.5;
      line-color: #b5e4d0;
      line-dasharray: 4,4;
      line-opacity: 0.5;
      line-join: round;
      line-cap: round;
    }
    [zoom >= 13] {
      line-width: 2.5;
      line-dasharray: 4,6;
    }
    [zoom >= 14] {
      line-width: 4.5;
      line-dasharray: 4,8;
    }
  }

  [waterway = 'wadi'][zoom >= 13] {
    line-color: @water-color;
    line-width: 1;
    line-dasharray: 4,4;
    line-cap: round;
    line-join: round;
    [zoom >= 16] { line-width: 2; }
  }

  [waterway = 'weir'][zoom >= 15] {
    line-color: #aaa;
    line-width: 2;
    line-join: round;
    line-cap: round;
  }

  [waterway = 'stream'],
  [waterway = 'ditch'],
  [waterway = 'drain'] {
    [zoom >= 13][zoom <= 14] {
      line-width: 1;
      line-color: @water-color;
    }
  }

  [waterway = 'stream'][zoom >= 15] {
    line-width: 2.5;
    line-color: @water-color;
    [tunnel = 'yes'],
    [tunnel = 'culvert'],
    [tunnel = 'flooded'] {
      line-dasharray: 2,4;
      line-width: 2.5;
      a/line-width: 1.2;
      a/line-color: #f3f7f7;
    }
  }

  [waterway = 'drain'],
  [waterway = 'ditch'] {
    [zoom >= 15] {
      line-width: 1;
      line-color: @water-color;
      [tunnel = 'yes'],
      [tunnel = 'culvert'],
      [tunnel = 'flooded'] {
        line-width: 2;
        a/line-dasharray: 4,2;
        a/line-width: 1;
        a/line-color: #f3f7f7;
      }
    }
  }


  ::rivernames {
    [waterway = 'river'][zoom >= 13] {
      text-name: "[name]";
      text-face-name: @oblique-fonts;
      [boat!='no'] { text-face-name: @bold-oblique-fonts;}
      text-placement: line;
      text-clip: true;
      text-fill: #6699cc;
      text-spacing: 400;
      text-character-spacing: 2;
      text-size: 9;
      text-halo-radius: 1;
      [cemt_large='true'] {text-size: 12;} // larger river name for CEMT class IV and above...
      [zoom >= 14] {
        text-size: 10;
        [cemt='I'],[cemt='II'],[cemt='III'] {text-size: 12;}
        [cemt_large='true'] {text-size: 14;}
      }
      [zoom >= 17] {
        text-size: 12;
        [cemt='I'],[cemt='II'],[cemt='III'] {text-size: 14;}
        [cemt_large='true'] {text-size: 16;}
      }
    }

    [waterway = 'canal'][zoom >= 13] {
      text-name: "[name]";
      text-face-name: @book-fonts;
      [boat!='no'] { text-face-name: @bold-oblique-fonts;}
      text-halo-radius: 1;
      text-size: 9;
      text-placement: line;
      text-clip: true;
      text-fill: #6699cc;
      [zoom >= 14] {
        text-size: 10;
        [lock = 'yes'][zoom >= 17] {
          text-placement: point;
          text-wrap-width: 20;
        }
      }
    }

    [waterway = 'derelict_canal'],
    [waterway = 'canal'][disused = 'yes'] {
      [zoom >= 13] {
        text-name: "[name]";
        text-size: 9;
        text-fill: #80d1ae;
        text-face-name: @book-fonts;
        text-placement: line;
        text-clip: true;
        text-spacing: 600;
        text-halo-radius: 1;
      }
      [zoom >= 14] { text-size: 10; }
    }

    [waterway = 'stream'],
    [waterway = 'drain'],
    [waterway = 'ditch'] {
      [zoom >= 15] {
        text-name: "[name]";
        text-face-name: @book-fonts;
        text-size: 9;
        text-fill: #6699cc;
        text-spacing: 600;
        text-placement: line;
        text-clip: true;
        text-halo-radius: 1;
      }
    }
  }
}

#waterway-bridges [zoom >= 14] {
  line-width: 7;
  line-color: #000;
  line-join: round;
  b/line-width: 6;
  b/line-color: @water-color;
  b/line-cap: round;
  b/line-join: round;
  text-name: "[name]";
  text-size: 9;
  text-fill: #6699cc;
  text-face-name: @book-fonts;
  text-placement: line;
  text-halo-radius: 1;
  [zoom >= 17] {
    line-width: 11;
    b/line-width: 10;
  }
}