add railroad-classic example

railroad-classic/map.geojson

@@ -0,0 +1 @@
+{"type":"FeatureCollection","features":[{"type":"Feature","properties":{"rail":"boss"},"geometry":{"type":"LineString","coordinates":[[-81.66824340820312,41.49199225714899],[-81.66455268859863,41.49257087656359],[-81.65459632873535,41.49179938286225],[-81.66232109069824,41.47958284148911],[-81.6628360748291,41.4767534192321],[-81.66197776794434,41.47405249184976],[-81.64669990539551,41.468907556911326],[-81.6474723815918,41.46659220297272],[-81.65880203247069,41.455528815136894],[-81.66661262512207,41.441053510801616],[-81.66712760925293,41.4392519136367],[-81.66953086853027,41.43326767841296],[-81.66970252990723,41.43230242751241],[-81.67038917541504,41.424772977902634],[-81.6697883605957,41.4230352886024],[-81.66875839233398,41.42168372033083],[-81.66747093200684,41.420589573031435],[-81.6665267944336,41.41962413363478],[-81.66523933410645,41.41846558741408],[-81.66420936584473,41.417628846735006],[-81.66317939758301,41.416663363325526],[-81.66146278381348,41.41576223252812],[-81.66141986846922,41.415247295030724],[-81.65820121765137,41.413734642523444]]}}]}

railroad-classic/project.mml

@@ -0,0 +1,57 @@
+{
+  "bounds": [
+    -81.6746,
+    41.4613,
+    -81.644,
+    41.479
+  ],
+  "center": [
+    -81.6606,
+    41.4699,
+    15
+  ],
+  "format": "png",
+  "interactivity": false,
+  "minzoom": 11,
+  "maxzoom": 21,
+  "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
+  "Stylesheet": [
+    "style.mss"
+  ],
+  "Layer": [
+    {
+      "id": "countries",
+      "name": "countries",
+      "srs": "+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over",
+      "geometry": "polygon",
+      "Datasource": {
+        "file": "http://mapbox-geodata.s3.amazonaws.com/natural-earth-1.4.0/cultural/10m-admin-0-countries.zip",
+        "type": "shape"
+      }
+    },
+    {
+      "geometry": "linestring",
+      "extent": [
+        -81.67038917541504,
+        41.413734642523444,
+        -81.64669990539551,
+        41.49257087656359
+      ],
+      "id": "rail",
+      "class": "",
+      "Datasource": {
+        "file": "map.geojson"
+      },
+      "srs-name": "autodetect",
+      "srs": "",
+      "advanced": {},
+      "name": "rail"
+    }
+  ],
+  "scale": 1,
+  "metatile": 2,
+  "_basemap": "",
+  "name": "Railroad Classic",
+  "description": "replicating a depiction of a classic railroad, like the red line shown for Flushing at : transitmaps.tumblr.com/post/55532719752/nyc-expansion-1968 (first picture)",
+  "attribution": "Public Domain"
+}

railroad-classic/style.mss

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+Map {
+  background-color: #b8dee6;
+}
+
+
+#countries {
+  ::outline {
+    line-color: #85c5d3;
+    line-width: 2;
+    line-join: round;
+  }
+  polygon-fill: #fff;
+}
+
+/* first digit of line-dasharray controls thickness of your perpendicular dash,
+AKA 'spur' ; second digit, controls the space between each spur*/
+
+#rail [zoom>=12][zoom<=21] {
+::perpendicular-dashes {
+line-cap: butt;
+line-color: black;
+[zoom>=12] { line-width: 5.25;
+    line-dasharray: 0.45,10; }
+[zoom>=14] { line-width: 5.75; 
+    line-dasharray: 0.75,15;}
+[zoom>=16] { line-width: 6.75; 
+    line-dasharray: 1.25,20; }
+[zoom>=18] { line-width: 7;
+     line-dasharray: 1.5,25; }
+[zoom>=20] { line-width: 7;
+     line-dasharray: 1.75,35; }
+}
+#rail [zoom>=12][zoom<=21] {
+::base-line {
+line-cap: butt;
+line-color: black;
+[zoom>=12] { line-width: 1; }
+[zoom>=14] { line-width: 1.25; }
+[zoom>=16] { line-width: 1.75; }
+[zoom>=18] { line-width: 2; }
+[zoom>=20] { line-width: 2.25; }
+}
+}
+}
+