🔥 initial commit!

.gitignore

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+node_modules
+bundle*
+*.log

README.md

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+# termap - Terminal Map
+
+Discover the world in your console - render vector tile maps from any source!
+
+## TODOs
+* [ ] mapping of view to tiles to show
+* [ ] tile request system
+  * [ ] from local mbtiles
+  * [ ] from remote url
+* [ ] label drawing
+* [ ] center+zoom based viewport
+* [ ] zoom while keeping center
+* [ ] API
+  * [ ] setCenter
+  * [ ] setZoom
+* [x] accurate mouse drag&drop
+
+## Wishlist
+* node-gyp binding to [libdrawille](https://github.com/Huulivoide/libdrawille) for speed refactor possibilities + filled polygons

package.json

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+{
+  "name": "termap",
+  "version": "0.1.0",
+  "description": "OSM Terminal Map",
+  "main": "termap.coffee",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [
+    "console",
+    "map",
+    "terminal",
+    "map",
+    "osm",
+    "vector",
+    "tiles",
+    "mbtiles"
+  ],
+  "author": "Michael Straßburger <codepoet@cpan.org>",
+  "license": "MIT",
+  "dependencies": {
+    "drawille-canvas-blessed-contrib": "^0.1.3",
+    "keypress": "^0.2.1",
+    "pbf": "^3.0.0",
+    "term-mouse": "^0.1.1",
+    "vector-tile": "^1.3.0"
+  }
+}

termap.coffee

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+Canvas = require 'drawille-canvas-blessed-contrib'
+VectorTile = require('vector-tile').VectorTile
+Protobuf = require 'pbf'
+keypress = require 'keypress'
+fs = require 'fs'
+zlib = require 'zlib'
+mouse = require('term-mouse')()
+
+keypress process.stdin
+
+width = Math.floor((process.stdout.columns-1)/2)*2*2;
+height = Math.ceil(process.stdout.rows/4)*4*4;
+
+drawOrder = ["admin", "water", "landuse", "building", "road"]
+layers =
+  road: "white"
+  landuse: "green"
+  water: "blue"
+  admin: "red"
+  building: 8
+
+canvas = new Canvas width, height
+
+features = {}
+data = fs.readFileSync __dirname+"/tiles/regensburg.pbf.gz"
+zlib.gunzip data, (err, buffer) ->
+  throw new Error err if err
+
+  tile = new VectorTile new Protobuf buffer
+  for name,layer of tile.layers
+    if layers[name]
+      features[name] = []
+      for i in [0...layer.length]
+        features[name].push layer.feature(i).loadGeometry()
+
+  draw()
+
+zoom = 0
+view = [-400, -80]
+size = 4
+
+flush = ->
+  process.stdout.write canvas._canvas.frame()
+
+draw = ->
+  canvas.clearRect(0, 0, width, height)
+
+  canvas.save()
+
+  canvas.translate view[0], view[1]
+  for layer in drawOrder
+    continue unless features[layer]
+
+    canvas.strokeStyle = layers[layer]
+    for feature in features[layer]
+      for line in feature
+        found = false
+        points = for point in line
+          p = [point.x/size, point.y/size]
+          if not found and p[0]+view[0]>=0 and p[0]+view[0]<width and p[1]+view[1]>=0 and p[1]+view[1]<height
+            found = true
+          p
+        continue unless found
+
+        canvas.beginPath()
+        canvas.moveTo points.shift()...
+        canvas.lineTo point... for point in points
+        canvas.stroke()
+
+  canvas.restore()
+  flush()
+
+
+moving = null
+process.stdin.on 'mousepress', (info) ->
+  # TODO: file bug @keypress, fails after x>95 / sequence: '\u001b[M#B'
+  if info.x > 2048
+    info.x = 100
+
+  switch info.scroll
+    when -1
+      size -= .2
+    when 1
+      size += .2
+
+  if info.button is 0
+    moving = info
+
+  else if moving and info.release
+    view[0] -= (moving.x-info.x)*2
+    view[1] -= (moving.y-info.y)*4
+    moving = null
+
+ draw()
+
+process.stdin.on 'keypress', (ch, key) ->
+  result = switch key?.name
+    when "q"
+      process.exit 0
+
+    when "a" then size += 1
+    when "z" then size -= 1
+    when "left" then view[0] += 5
+    when "right" then view[0] -= 5
+    when "up" then view[1]+= 5
+    when "down" then view[1]-= 5
+
+    else
+      false
+
+  draw() if result
+
+process.stdin.setRawMode(true)
+process.stdin.resume()