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Add Show tile coordinates option

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This commit is contained in:
mike-000
2021-06-29 11:01:30 +01:00
parent d8a5b91ad5
commit f7bd8102c5
2 changed files with 36 additions and 26 deletions
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28
examples/reprojection-by-code.html
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@@ -10,18 +10,24 @@ tags: "reprojection, projection, proj4js, epsg.io, graticule"
--- ---
<div id="map" class="map"></div> <div id="map" class="map"></div>
<form class="form-inline"> <form class="form-inline">
<label for="epsg-query">Search projection:</label> <label for="epsg-query">Search projection:&nbsp</label>
<input type="text" id="epsg-query" placeholder="4326, 27700, 3031, US National Atlas, Swiss, France, ..." class="form-control" size="50" /> <input type="text" id="epsg-query" placeholder="4326, 27700, 3031, US National Atlas, Swiss, France, ..." class="form-control" size="50" />
<button id="epsg-search" class="btn">Search</button> <button id="epsg-search" class="btn">Search</button>
<span id="epsg-result"></span> <span id="epsg-result"></span>
<div> </form>
<label for="render-edges"> <form class="form-inline">
Render reprojection edges <label for="render-edges">
<input type="checkbox" id="render-edges"> Render reprojection edges:&nbsp;
</label> <input type="checkbox" id="render-edges" />
<label for="show-graticule"> </label>
&nbsp;&nbsp;&nbsp;Show graticule &nbsp;&nbsp;&nbsp;&nbsp;
<input type="checkbox" id="show-graticule" /> <label for="show-tiles">
</label> Show tile coordinates:&nbsp;
</div> <input type="checkbox" id="show-tiles" />
</label>
&nbsp;&nbsp;&nbsp;&nbsp;
<label for="show-graticule">
Show graticule:&nbsp;
<input type="checkbox" id="show-graticule" />
</label>
</form> </form>

34
examples/reprojection-by-code.js
View File

@@ -2,7 +2,7 @@ import Graticule from '../src/ol/layer/Graticule.js';
import Map from '../src/ol/Map.js'; import Map from '../src/ol/Map.js';
import OSM from '../src/ol/source/OSM.js'; import OSM from '../src/ol/source/OSM.js';
import Stroke from '../src/ol/style/Stroke.js'; import Stroke from '../src/ol/style/Stroke.js';
import TileImage from '../src/ol/source/TileImage.js'; import TileDebug from '../src/ol/source/TileDebug.js';
import TileLayer from '../src/ol/layer/Tile.js'; import TileLayer from '../src/ol/layer/Tile.js';
import View from '../src/ol/View.js'; import View from '../src/ol/View.js';
import proj4 from 'proj4'; import proj4 from 'proj4';
@@ -10,6 +10,16 @@ import {applyTransform} from '../src/ol/extent.js';
import {get as getProjection, getTransform} from '../src/ol/proj.js'; import {get as getProjection, getTransform} from '../src/ol/proj.js';
import {register} from '../src/ol/proj/proj4.js'; import {register} from '../src/ol/proj/proj4.js';
const osmSource = new OSM();
const debugLayer = new TileLayer({
source: new TileDebug({
tileGrid: osmSource.getTileGrid(),
projection: osmSource.getProjection(),
}),
visible: false,
});
const graticule = new Graticule({ const graticule = new Graticule({
// the style to use for the lines, optional. // the style to use for the lines, optional.
strokeStyle: new Stroke({ strokeStyle: new Stroke({
@@ -25,8 +35,9 @@ const graticule = new Graticule({
const map = new Map({ const map = new Map({
layers: [ layers: [
new TileLayer({ new TileLayer({
source: new OSM(), source: osmSource,
}), }),
debugLayer,
graticule, graticule,
], ],
target: 'map', target: 'map',
@@ -41,6 +52,7 @@ const queryInput = document.getElementById('epsg-query');
const searchButton = document.getElementById('epsg-search'); const searchButton = document.getElementById('epsg-search');
const resultSpan = document.getElementById('epsg-result'); const resultSpan = document.getElementById('epsg-result');
const renderEdgesCheckbox = document.getElementById('render-edges'); const renderEdgesCheckbox = document.getElementById('render-edges');
const showTilesCheckbox = document.getElementById('show-tiles');
const showGraticuleCheckbox = document.getElementById('show-graticule'); const showGraticuleCheckbox = document.getElementById('show-graticule');
function setProjection(code, name, proj4def, bbox) { function setProjection(code, name, proj4def, bbox) {
@@ -125,22 +137,14 @@ searchButton.onclick = function (event) {
}; };
/** /**
* Handle checkbox change event. * Handle checkbox change events.
*/ */
renderEdgesCheckbox.onchange = function () { renderEdgesCheckbox.onchange = function () {
map.getLayers().forEach(function (layer) { osmSource.setRenderReprojectionEdges(renderEdgesCheckbox.checked);
if (layer instanceof TileLayer) { };
const source = layer.getSource(); showTilesCheckbox.onchange = function () {
if (source instanceof TileImage) { debugLayer.setVisible(showTilesCheckbox.checked);
source.setRenderReprojectionEdges(renderEdgesCheckbox.checked);
}
}
});
}; };
/**
* Handle checkbox change event.
*/
showGraticuleCheckbox.onchange = function () { showGraticuleCheckbox.onchange = function () {
graticule.setVisible(showGraticuleCheckbox.checked); graticule.setVisible(showGraticuleCheckbox.checked);
}; };