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🌐 adding global config file, centralizing options

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This commit is contained in:
Michael Straßburger 2016-11-10 07:09:32 +01:00
parent 2d7cff71eb
commit 6a1eb8afe8
3 changed files with 64 additions and 70 deletions
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36
src/Renderer.coffee
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@ -13,27 +13,9 @@ LabelBuffer = require './LabelBuffer'
Styler = require './Styler' Styler = require './Styler'
Tile = require './Tile' Tile = require './Tile'
utils = require './utils' utils = require './utils'
config = require './config'
module.exports = class Renderer module.exports = class Renderer
config:
language: 'en'
labelMargin: 5
tileSize: 4096
projectSize: 256
maxZoom: 14
layers:
housenum_label:
margin: 4
poi_label:
margin: 5
cluster: true
place_label: cluster: true
state_label: cluster: true
terminal: terminal:
CLEAR: "\x1B[2J" CLEAR: "\x1B[2J"
MOVE: "\x1B[?6h" MOVE: "\x1B[?6h"
@ -84,12 +66,12 @@ module.exports = class Renderer
frame frame
_visibleTiles: (center, zoom) -> _visibleTiles: (center, zoom) ->
z = Math.min @config.maxZoom, Math.max 0, Math.floor zoom z = Math.min config.tileRange, Math.max 0, Math.floor zoom
center = utils.ll2tile center.lon, center.lat, z center = utils.ll2tile center.lon, center.lat, z
tiles = [] tiles = []
scale = @_scaleAtZoom zoom scale = @_scaleAtZoom zoom
tileSize = @config.tileSize / scale tileSize = config.tileSize / scale
for y in [Math.floor(center.y)-1..Math.floor(center.y)+1] for y in [Math.floor(center.y)-1..Math.floor(center.y)+1]
for x in [Math.floor(center.x)-1..Math.floor(center.x)+1] for x in [Math.floor(center.x)-1..Math.floor(center.x)+1]
@ -167,8 +149,8 @@ module.exports = class Renderer
@labelBuffer.featuresAt x, y @labelBuffer.featuresAt x, y
_scaleAtZoom: (zoom) -> _scaleAtZoom: (zoom) ->
baseZoom = Math.min @config.maxZoom, Math.floor Math.max 0, zoom baseZoom = Math.min config.tileRange, Math.floor Math.max 0, zoom
@config.tileSize / @config.projectSize / Math.pow(2, zoom-baseZoom) config.tileSize / config.projectSize / Math.pow(2, zoom-baseZoom)
_drawFeature: (tile, feature) -> _drawFeature: (tile, feature) ->
if feature.style.minzoom and tile.zoom < feature.style.minzoom if feature.style.minzoom and tile.zoom < feature.style.minzoom
@ -192,7 +174,7 @@ module.exports = class Renderer
true true
when "symbol" when "symbol"
text = feature.properties["name_"+@config.language] or text = feature.properties["name_"+config.language] or
feature.properties["name_en"] or feature.properties["name_en"] or
feature.properties["name"] or feature.properties["name"] or
feature.properties.house_num or feature.properties.house_num or
@ -203,14 +185,14 @@ module.exports = class Renderer
placed = false placed = false
for point in @_scaleAndReduce tile, feature, feature.points for point in @_scaleAndReduce tile, feature, feature.points
x = point.x - text.length x = point.x - text.length
margin = @config.layers[feature.layer]?.margin or @config.labelMargin margin = config.layers[feature.layer]?.margin or config.labelMargin
if @labelBuffer.writeIfPossible text, x, point.y, feature, margin if @labelBuffer.writeIfPossible text, x, point.y, feature, margin
@canvas.text text, x, point.y, feature.color @canvas.text text, x, point.y, feature.color
placed = true placed = true
break break
else if @config.layers[feature.layer]?.cluster and else if config.layers[feature.layer]?.cluster and
@labelBuffer.writeIfPossible "◉", point.x, point.y, feature, 3 @labelBuffer.writeIfPossible "◉", point.x, point.y, feature, 3
@canvas.text "◉", point.x, point.y, feature.color @canvas.text "◉", point.x, point.y, feature.color
placed = true placed = true
@ -244,7 +226,7 @@ module.exports = class Renderer
else else
if outside if outside
outside = null outside = null
scaled.push [lastX, lastY] scaled.push x: lastX, y: lastY
scaled.push x: x, y: y scaled.push x: x, y: y

71
src/Termap.coffee
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@ -12,24 +12,9 @@ Promise = require 'bluebird'
Renderer = require './Renderer' Renderer = require './Renderer'
TileSource = require './TileSource' TileSource = require './TileSource'
utils = require './utils' utils = require './utils'
config = require './config'
module.exports = class Termap module.exports = class Termap
config:
input: process.stdin
output: process.stdout
source: "http://nachbar.io/data/osm2vectortiles/"
#source: __dirname+"/../mbtiles/regensburg.mbtiles"
styleFile: __dirname+"/../styles/dark.json"
initialZoom: null
maxZoom: 18
zoomStep: 0.2
headless: false
# size:
# width: 40*2
# height: 10*4
width: null width: null
height: null height: null
@ -53,13 +38,13 @@ module.exports = class Termap
minZoom: null minZoom: null
constructor: (options) -> constructor: (options) ->
@config[key] = val for key, val of options config[key] = val for key, val of options
init: -> init: ->
Promise Promise
.resolve() .resolve()
.then => .then =>
unless @config.headless unless config.headless
@_initKeyboard() @_initKeyboard()
@_initMouse() @_initMouse()
@ -73,17 +58,17 @@ module.exports = class Termap
_initTileSource: -> _initTileSource: ->
@tileSource = new TileSource() @tileSource = new TileSource()
@tileSource.init @config.source @tileSource.init config.source
_initKeyboard: -> _initKeyboard: ->
keypress @config.input keypress config.input
@config.input.setRawMode true config.input.setRawMode true
@config.input.resume() config.input.resume()
@config.input.on 'keypress', (ch, key) => @_onKey key config.input.on 'keypress', (ch, key) => @_onKey key
_initMouse: -> _initMouse: ->
@mouse = TermMouse input: @config.input, output: @config.output @mouse = TermMouse input: config.input, output: config.output
@mouse.start() @mouse.start()
@mouse.on 'click', (event) => @_onClick event @mouse.on 'click', (event) => @_onClick event
@ -91,23 +76,23 @@ module.exports = class Termap
@mouse.on 'move', (event) => @_onMouseMove event @mouse.on 'move', (event) => @_onMouseMove event
_initRenderer: -> _initRenderer: ->
@renderer = new Renderer @config.output, @tileSource @renderer = new Renderer config.output, @tileSource
@renderer.loadStyleFile @config.styleFile @renderer.loadStyleFile config.styleFile
@config.output.on 'resize', => config.output.on 'resize', =>
@_resizeRenderer() @_resizeRenderer()
@_draw() @_draw()
@_resizeRenderer() @_resizeRenderer()
@zoom = if @config.initialZoom isnt null then @config.initialZoom else @minZoom @zoom = if config.initialZoom isnt null then config.initialZoom else @minZoom
_resizeRenderer: (cb) -> _resizeRenderer: (cb) ->
if @config.size if config.size
@width = @config.size.width @width = config.size.width
@height = @config.size.height @height = config.size.height
else else
@width = @config.output.columns >> 1 << 2 @width = config.output.columns >> 1 << 2
@height = @config.output.rows * 4 - 4 @height = config.output.rows * 4 - 4
@minZoom = 4-Math.log(4096/@width)/Math.LN2 @minZoom = 4-Math.log(4096/@width)/Math.LN2
@ -124,12 +109,12 @@ module.exports = class Termap
_onMouseScroll: (event) -> _onMouseScroll: (event) ->
# TODO: handle .x/y for directed zoom # TODO: handle .x/y for directed zoom
@zoomBy @config.zoomStep * if event.button is "up" then -1 else 1 @zoomBy config.zoomStep * if event.button is "up" then -1 else 1
@_draw() @_draw()
_onMouseMove: (event) -> _onMouseMove: (event) ->
# only continue if x/y are valid # only continue if x/y are valid
return unless event.x <= @config.output.columns and event.y <= @config.output.rows return unless event.x <= config.output.columns and event.y <= config.output.rows
# start dragging # start dragging
if event.button is "left" if event.button is "left"
@ -157,8 +142,8 @@ module.exports = class Termap
when "w" then @zoomy = 1 when "w" then @zoomy = 1
when "s" then @zoomy = -1 when "s" then @zoomy = -1
when "a" then @zoomBy @config.zoomStep when "a" then @zoomBy config.zoomStep
when "z" then @zoomBy -@config.zoomStep when "z" then @zoomBy -config.zoomStep
when "left" then @moveBy 0, -8/Math.pow(2, @zoom) when "left" then @moveBy 0, -8/Math.pow(2, @zoom)
when "right" then @moveBy 0, 8/Math.pow(2, @zoom) when "right" then @moveBy 0, 8/Math.pow(2, @zoom)
@ -184,8 +169,8 @@ module.exports = class Termap
@notify "renderer is busy" @notify "renderer is busy"
.then => .then =>
if @zoomy if @zoomy
if (@zoomy > 0 and @zoom < @config.maxZoom) or (@zoomy < 0 and @zoom > @minZoom) if (@zoomy > 0 and @zoom < config.maxZoom) or (@zoomy < 0 and @zoom > @minZoom)
@zoom += @zoomy * @config.zoomStep @zoom += @zoomy * config.zoomStep
else else
@zoomy *= -1 @zoomy *= -1
setImmediate => @_draw() setImmediate => @_draw()
@ -196,17 +181,17 @@ module.exports = class Termap
"center: #{utils.digits @center.lat, 3}, #{utils.digits @center.lon, 3} "+ "center: #{utils.digits @center.lat, 3}, #{utils.digits @center.lon, 3} "+
"zoom: #{utils.digits @zoom, 2} "+ "zoom: #{utils.digits @zoom, 2} "+
"mouse: #{@mousePosition.x} #{@mousePosition.y} "+ "mouse: #{@mousePosition.x*2-@width/2} #{@mousePosition.y} "
notify: (text) -> notify: (text) ->
@_write "\r\x1B[K"+text unless @config.headless @_write "\r\x1B[K"+text unless config.headless
_write: (output) -> _write: (output) ->
@config.output.write output config.output.write output
zoomBy: (step) -> zoomBy: (step) ->
return @zoom = @minZoom if @zoom+step < @minZoom return @zoom = @minZoom if @zoom+step < @minZoom
return @zoom = @config.maxZoom if @zoom+step > @config.maxZoom return @zoom = config.maxZoom if @zoom+step > config.maxZoom
@zoom += step @zoom += step

27
src/config.coffee Normal file
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@ -0,0 +1,27 @@
module.exports =
language: "en"
source: "http://nachbar.io/data/osm2vectortiles/"
#source: __dirname+"/../mbtiles/regensburg.mbtiles"
styleFile: __dirname+"/../styles/dark.json"
initialZoom: false
maxZoom: 18
zoomStep: 0.2
tileSize: 4096
tileRange: 14
projectSize: 256
labelMargin: 5
layers:
housenum_label: margin: 4
poi_label: cluster: true, margin: 5
place_label: cluster: true
state_label: cluster: true
input: process.stdin
output: process.stdout
headless: false