extern/mapscii
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🎨 starting refactor, config hash, more todos

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This commit is contained in:
Michael Straßburger 2016-09-18 15:26:09 +02:00
parent 3b03122807
commit 29d6a084fb
2 changed files with 33 additions and 13 deletions
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3
README.md
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@ -8,7 +8,8 @@ Discover the world in your console - render vector tile maps from any source!
* [ ] from local mbtiles * [ ] from local mbtiles
* [ ] from remote url * [ ] from remote url
* [ ] label drawing * [ ] label drawing
* [ ] center+zoom based viewport * [ ] lat/lng-center + zoom based viewport
* [ ] TileSource class (abstracting URL, mbtiles, single vector tile source)
* [ ] zoom while keeping center * [ ] zoom while keeping center
* [ ] API * [ ] API
* [ ] setCenter * [ ] setCenter

43
termap.coffee
View File

@ -15,13 +15,20 @@ mouse.start()
width = null width = null
height = null height = null
drawOrder = ["admin", "water", "landuse", "building", "road"] config =
layers = drawOrder: ["admin", "water", "landuse", "building", "road"]
road: "white"
landuse: "green" layers:
water: "blue" road:
admin: "red" color: "white"
building: 8 landuse:
color: "green"
water:
color: "blue"
admin:
color: "red"
building:
color: 8
canvas = null canvas = null
@ -37,11 +44,19 @@ zlib.gunzip data, (err, buffer) ->
throw new Error err if err throw new Error err if err
tile = new VectorTile new Protobuf buffer tile = new VectorTile new Protobuf buffer
# Load all layers and preparse the included geometries
for name,layer of tile.layers for name,layer of tile.layers
if layers[name] if config.layers[name]
features[name] = [] features[name] = []
for i in [0...layer.length] for i in [0...layer.length]
features[name].push layer.feature(i).loadGeometry() feature = layer.feature i
features[name].push
type: feature.type
id: feature.id
properties: feature.properties
points: feature.loadGeometry()
draw() draw()
@ -62,12 +77,12 @@ draw = ->
canvas.save() canvas.save()
canvas.translate view[0], view[1] canvas.translate view[0], view[1]
for layer in drawOrder for layer in config.drawOrder
continue unless features[layer] continue unless features[layer]
canvas.strokeStyle = layers[layer] canvas.strokeStyle = config.layers[layer].color
for feature in features[layer] for feature in features[layer]
for line in feature for line in feature.points
found = false found = false
points = for point in line points = for point in line
p = [point.x/scale, point.y/scale] p = [point.x/scale, point.y/scale]
@ -81,7 +96,11 @@ draw = ->
canvas.lineTo point... for point in points canvas.lineTo point... for point in points
canvas.stroke() canvas.stroke()
canvas.fillStyle = "white"
canvas.fillText "test", 0, 0
canvas.stroke()
canvas.restore() canvas.restore()
flush() flush()
process.stdout.write getStatus() process.stdout.write getStatus()