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Anand Thakker
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Jun 22, 2016
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| <!DOCTYPE html> | ||
| <html> | ||
| <head> | ||
| <title>Mapbox GL JS debug page</title> | ||
| <meta charset='utf-8'> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"> | ||
|
|
||
| <link rel='stylesheet' href='../dist/mapbox-gl.css' /> | ||
| <style> | ||
| body { margin: 0; padding: 0; } | ||
| html, body, #map { height: 100%; } | ||
| #checkboxes { | ||
| position: absolute; | ||
| background: #fff; | ||
| top:0; | ||
| left:0; | ||
| padding:10px; | ||
| } | ||
| #buffer { | ||
| position: absolute; | ||
| top:100px; | ||
| left:0; | ||
| pointer-events: none; | ||
| } | ||
| #buffer div { | ||
| background-color: #fff; | ||
| padding: 5px 0; | ||
| text-indent: 10px; | ||
| white-space: nowrap; | ||
| text-shadow: | ||
| -1px -1px 0 #fff, | ||
| 1px -1px 0 #fff, | ||
| -1px 1px 0 #fff, | ||
| 1px 1px 0 #fff; | ||
| } | ||
| </style> | ||
| </head> | ||
|
|
||
| <body> | ||
| <div id='map'></div> | ||
| <div id='checkboxes'> | ||
| <input id='show-tile-boundaries-checkbox' name='show-tile-boundaries' type='checkbox'> <label for='show-tile-boundaries'>tile debug</label><br /> | ||
| <input id='show-symbol-collision-boxes-checkbox' name='show-symbol-collision-boxes' type='checkbox'> <label for='show-symbol-collision-boxes'>collision debug</label><br /> | ||
| <input id='show-overdraw-checkbox' name='show-overdraw' type='checkbox'> <label for='show-overdraw'>overdraw debug</label><br /> | ||
| <input id='buffer-checkbox' name='buffer' type='checkbox'> <label for='buffer'>buffer stats</label> | ||
| </div> | ||
|
|
||
| <div id='buffer' style="display:none"> | ||
| <em>Waiting for data...</em> | ||
| </div> | ||
|
|
||
| <script src='https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.14/proj4-src.js'></script> | ||
| <script src='mapbox-gl.js'></script> | ||
| <script src='access-token.js'></script> | ||
|
|
||
| <script> | ||
| var style = { | ||
| "version": 8, | ||
| "sources": { | ||
| "states": { | ||
| "type": "vector", | ||
| "url": "mapbox://devseed.states-albers" | ||
| } | ||
| }, | ||
| "layers": [{ | ||
| "id": "background", | ||
| "type": "background", | ||
| "paint": { | ||
| "background-color": "rgb(4,7,14)" | ||
| } | ||
| }, { | ||
| "id": "states", | ||
| "type": "line", | ||
| "source": "states", | ||
| "source-layer": "states", | ||
| "paint": { | ||
| "line-color": "#EC8D8D", | ||
| "line-width": { | ||
| "base": 1.5, | ||
| "stops": [ | ||
| [ | ||
| 5, | ||
| 0.75 | ||
| ], | ||
| [ | ||
| 18, | ||
| 32 | ||
| ] | ||
| ] | ||
| } | ||
| } | ||
| }] | ||
| }; | ||
|
|
||
| // Custom projection. The dataset was generated by (a) projecting into albers | ||
| // (using precisely the projection string being passed to `proj4` below, and then | ||
| // (b) piping into tippecanoe with -s EPSG:3785. | ||
| // With this option set, tippecanoe does NOT try to project fron lnglat, but it | ||
| // DOES do an affine transformation to go from EPSG's projected space (meters) to | ||
| // tile space -- hence the small additional bits of math after `proj.forward` and | ||
| // before `proj.inverse`. | ||
|
|
||
| var proj = proj4('WGS84', '+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=37.5 +lon_0=-96 +x_0=0 +y_0=0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs') | ||
| var C = 2 * Math.PI * 6378137.0; | ||
| var projection = { | ||
| latRange: undefined, | ||
| project: function (lnglat, worldSize) { | ||
| var pt = proj.forward([lnglat.lng, lnglat.lat]) | ||
| var scale = (worldSize || this.worldSize); | ||
| pt[0] = scale * (pt[0] / C + 0.5); | ||
| pt[1] = scale * (0.5 - pt[1] / C); | ||
| return new mapboxgl.Point(pt[0], pt[1]); | ||
| }, | ||
| unproject: function (point, worldSize) { | ||
| var scale = (worldSize || this.worldSize); | ||
| var ll = proj.inverse([ | ||
| C * ((point.x / scale) - 0.5), | ||
| C * (0.5 - (point.y / scale)) | ||
| ]); | ||
| return mapboxgl.LngLat.convert(ll); | ||
| } | ||
| } | ||
|
|
||
| var map = window.map = new mapboxgl.Map({ | ||
| container: 'map', | ||
| zoom: 5.5, | ||
| center: [-77.01866, 38.888], | ||
| style: style, | ||
| projection: projection, | ||
| hash: true | ||
| }); | ||
|
|
||
| map.addControl(new mapboxgl.Navigation()); | ||
| map.addControl(new mapboxgl.Geolocate()); | ||
|
|
||
| map.on('click', function(e) { | ||
| if (e.originalEvent.shiftKey) return; | ||
| var ll = map.unproject(e.point); | ||
| (new mapboxgl.Popup()) | ||
| .setLngLat(ll) | ||
| .setHTML(ll.lng.toFixed(3) + ', ' + ll.lat.toFixed(3)) | ||
| .addTo(map); | ||
| }); | ||
|
|
||
| document.getElementById('show-tile-boundaries-checkbox').onclick = function() { | ||
| map.showTileBoundaries = !!this.checked; | ||
| }; | ||
|
|
||
| document.getElementById('show-symbol-collision-boxes-checkbox').onclick = function() { | ||
| map.showCollisionBoxes = !!this.checked; | ||
| }; | ||
|
|
||
| document.getElementById('show-overdraw-checkbox').onclick = function() { | ||
| map.showOverdrawInspector = !!this.checked; | ||
| }; | ||
|
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||
| document.getElementById('buffer-checkbox').onclick = function() { | ||
| document.getElementById('buffer').style.display = this.checked ? 'block' : 'none'; | ||
| }; | ||
|
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||
| // keyboard shortcut for comparing rendering with Mapbox GL native | ||
| document.onkeypress = function(e) { | ||
| if (e.charCode === 111 && !e.shiftKey && !e.metaKey && !e.altKey) { | ||
| var center = map.getCenter(); | ||
| location.href = "mapboxgl://?center=" + center.lat + "," + center.lng + "&zoom=" + map.getZoom() + "&bearing=" + map.getBearing(); | ||
| return false; | ||
| } | ||
| }; | ||
| </script> | ||
|
|
||
| </body> | ||
| </html> |
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