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January 20, 2021 08:34
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Listen to geometry changes
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<!DOCTYPE html> | |
<html> | |
<head> | |
<title></title> | |
<meta charset='utf-8'> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"> | |
<script src='https://unpkg.com/mapillary-js@3.1.0/dist/mapillary.min.js'></script> | |
<link href='https://unpkg.com/mapillary-js@3.1.0/dist/mapillary.min.css' rel='stylesheet' /> | |
<style> | |
html, body { margin: 0; padding: 0; height: 100%; } | |
#mly { height: 100%; } | |
</style> | |
</head> | |
<body> | |
<div id='mly'></div> | |
<script> | |
var tagKey = '6YEHDch0Co4JPLcU5rdiRQ'; | |
var viewer = new Mapillary.Viewer({ | |
apiClient: "QjI1NnU0aG5FZFZISE56U3R5aWN4Zzo3NTM1MjI5MmRjODZlMzc0", | |
component: { | |
cover: false, | |
tag: true, | |
}, | |
container: "mly", | |
imageKey: tagKey, | |
}); | |
// Retrieve tag component | |
var tagComponent = viewer.getComponent("tag"); | |
var tags = []; | |
// Create a configured outline tag showing a rectangle | |
function createRectTag() { | |
var rect = [0.68, 0.51, 0.72, 0.56]; | |
var rectGeometry = new Mapillary.TagComponent.RectGeometry(rect); | |
var rectTag = new Mapillary.TagComponent.OutlineTag( | |
'id', | |
rectGeometry, | |
{ | |
editable: true, | |
fillOpacity: 0.2, | |
text: "stop sign", | |
}); | |
return rectTag; | |
} | |
function onTagGeometryChanged(tag) { | |
console.log(tag.geometry.rect); | |
} | |
// Add tags when the related node is shown, otherwise remove them. | |
// Add event listener when tag is created and remove event | |
// listener when tag is removed. | |
viewer.on(Mapillary.Viewer.nodechanged, function(node) { | |
if (node.key === tagKey) { | |
var tag = createRectTag(); | |
tag.on("geometrychanged", onTagGeometryChanged); | |
tags.push(tag); | |
tagComponent.add([tag]); | |
} else { | |
for (var i = 0; i < tags.length; i++) { | |
var tag = tags[i]; | |
tag.off("geometrychanged", onTagGeometryChanged); | |
} | |
tags = []; | |
tagComponent.removeAll(); | |
} | |
}); | |
window.addEventListener("resize", function() { viewer.resize(); }); | |
</script> | |
</body> | |
</html> |
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