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Avoid creating duplicate projections in COG examples

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This commit is contained in:
Tim Schaub
2021-09-06 16:07:38 -06:00
parent 81fdcd5a38
commit 4b340fc9bc
4 changed files with 4 additions and 22 deletions
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8
examples/cog-math.js
View File

@@ -1,6 +1,5 @@
import GeoTIFF from '../src/ol/source/GeoTIFF.js'; import GeoTIFF from '../src/ol/source/GeoTIFF.js';
import Map from '../src/ol/Map.js'; import Map from '../src/ol/Map.js';
import Projection from '../src/ol/proj/Projection.js';
import TileLayer from '../src/ol/layer/WebGLTile.js'; import TileLayer from '../src/ol/layer/WebGLTile.js';
import View from '../src/ol/View.js'; import View from '../src/ol/View.js';
import proj4 from 'proj4'; import proj4 from 'proj4';
@@ -10,11 +9,6 @@ import {register} from '../src/ol/proj/proj4.js';
proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs'); proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs');
register(proj4); register(proj4);
const projection = new Projection({
code: 'EPSG:32636',
extent: [166021.44, 0.0, 534994.66, 9329005.18],
});
// metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json // metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json
const sourceExtent = [499980, 1790220, 609780, 1900020]; const sourceExtent = [499980, 1790220, 609780, 1900020];
@@ -93,9 +87,9 @@ const map = new Map({
}), }),
], ],
view: new View({ view: new View({
projection: 'EPSG:32636',
center: getCenter(sourceExtent), center: getCenter(sourceExtent),
extent: sourceExtent, extent: sourceExtent,
zoom: 9, zoom: 9,
projection: projection,
}), }),
}); });

8
examples/cog-overviews.js
View File

@@ -1,6 +1,5 @@
import GeoTIFF from '../src/ol/source/GeoTIFF.js'; import GeoTIFF from '../src/ol/source/GeoTIFF.js';
import Map from '../src/ol/Map.js'; import Map from '../src/ol/Map.js';
import Projection from '../src/ol/proj/Projection.js';
import TileLayer from '../src/ol/layer/WebGLTile.js'; import TileLayer from '../src/ol/layer/WebGLTile.js';
import View from '../src/ol/View.js'; import View from '../src/ol/View.js';
import proj4 from 'proj4'; import proj4 from 'proj4';
@@ -10,11 +9,6 @@ import {register} from '../src/ol/proj/proj4.js';
proj4.defs('EPSG:32645', '+proj=utm +zone=45 +datum=WGS84 +units=m +no_defs'); proj4.defs('EPSG:32645', '+proj=utm +zone=45 +datum=WGS84 +units=m +no_defs');
register(proj4); register(proj4);
const projection = new Projection({
code: 'EPSG:32645',
extent: [166021.44, 0.0, 534994.66, 9329005.18],
});
const sourceExtent = [382200, 2279370, 610530, 2512500]; const sourceExtent = [382200, 2279370, 610530, 2512500];
const base = const base =
@@ -60,9 +54,9 @@ const map = new Map({
}), }),
], ],
view: new View({ view: new View({
projection: 'EPSG:32645',
center: getCenter(sourceExtent), center: getCenter(sourceExtent),
extent: sourceExtent, extent: sourceExtent,
zoom: 8, zoom: 8,
projection: projection,
}), }),
}); });

8
examples/cog.js
View File

@@ -1,6 +1,5 @@
import GeoTIFF from '../src/ol/source/GeoTIFF.js'; import GeoTIFF from '../src/ol/source/GeoTIFF.js';
import Map from '../src/ol/Map.js'; import Map from '../src/ol/Map.js';
import Projection from '../src/ol/proj/Projection.js';
import TileLayer from '../src/ol/layer/WebGLTile.js'; import TileLayer from '../src/ol/layer/WebGLTile.js';
import View from '../src/ol/View.js'; import View from '../src/ol/View.js';
import proj4 from 'proj4'; import proj4 from 'proj4';
@@ -10,11 +9,6 @@ import {register} from '../src/ol/proj/proj4.js';
proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs'); proj4.defs('EPSG:32636', '+proj=utm +zone=36 +datum=WGS84 +units=m +no_defs');
register(proj4); register(proj4);
const projection = new Projection({
code: 'EPSG:32636',
extent: [166021.44, 0.0, 534994.66, 9329005.18],
});
// metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json // metadata from https://s3.us-west-2.amazonaws.com/sentinel-cogs/sentinel-s2-l2a-cogs/2020/S2A_36QWD_20200701_0_L2A/S2A_36QWD_20200701_0_L2A.json
const sourceExtent = [499980, 1790220, 609780, 1900020]; const sourceExtent = [499980, 1790220, 609780, 1900020];
@@ -33,9 +27,9 @@ const map = new Map({
}), }),
], ],
view: new View({ view: new View({
projection: 'EPSG:32636',
center: getCenter(sourceExtent), center: getCenter(sourceExtent),
extent: sourceExtent, extent: sourceExtent,
zoom: 9, zoom: 9,
projection: projection,
}), }),
}); });

2
src/ol/source/GeoTIFF.js
View File

@@ -424,7 +424,7 @@ class GeoTIFFSource extends DataTile {
image.geoKeys.ProjectedCSTypeGeoKey || image.geoKeys.ProjectedCSTypeGeoKey ||
image.geoKeys.GeographicTypeGeoKey; image.geoKeys.GeographicTypeGeoKey;
if (code) { if (code) {
this.projection = getProjection(`EPSG:${code}`); this.projection = getProjection('EPSG:' + code);
break; break;
} }
} }