Improve layer transitions, debounce redraws, other goodness

This commit is contained in:
Bryan Housel
2016-02-09 17:19:06 -05:00
parent 9777906711
commit 3facc28928
3 changed files with 161 additions and 107 deletions
+71 -49
View File
@@ -1,28 +1,51 @@
iD.MapillaryImageLayer = function(context) {
var mapillary = iD.services.mapillary(),
debouncedRedraw = _.debounce(function () { context.pan([0,0]); }, 1000),
rtree = rbush(),
enabled = false,
selectedImage,
layer;
function show(image) {
function showThumbnail(imageKey) {
var thumb = mapillary.selectedThumbnail();
layer.selectAll('g')
.classed('selected', function(d) {
return selectedImage && d.key === selectedImage.key;
});
.classed('selected', function(d) { return d.key === thumb; });
mapillary.showThumbnail(context.container(), image);
mapillary.showThumbnail(context.container(), imageKey);
}
function hide() {
selectedImage = undefined;
function hideThumbnail() {
layer.selectAll('g')
.classed('selected', false);
mapillary.hideThumbnail(context.container());
}
function showLayer() {
layer
.style('display', 'block')
.style('opacity', 0)
.transition()
.duration(500)
.style('opacity', 1)
.each('end', debouncedRedraw);
}
function hideLayer() {
debouncedRedraw.cancel();
hideThumbnail();
layer
.transition()
.duration(500)
.style('opacity', 0)
.each('end', function() {
layer
.style('display', 'none')
.selectAll('g')
.remove();
});
}
function transform(d) {
var t = iD.svg.PointTransform(context.projection)(d);
if (d.ca) t += ' rotate(' + Math.floor(d.ca) + ',0,0)';
@@ -30,34 +53,36 @@ iD.MapillaryImageLayer = function(context) {
}
function imagesLoaded(data) {
if (!data.features.length) return;
var images = [],
sequence, loc;
image, loc;
for (var i = 0; i < data.features.length; i++) {
sequence = data.features[i];
for (var j = 0; j < sequence.geometry.coordinates.length; j++) {
loc = sequence.geometry.coordinates[j];
images.push([loc[0], loc[1], loc[0], loc[1], {
key: sequence.properties.keys[j],
ca: sequence.properties.cas[j],
loc: loc
}]);
}
image = data.features[i];
loc = image.geometry.coordinates;
images.push([loc[0], loc[1], loc[0], loc[1], {
key: image.properties.key,
ca: image.properties.ca,
loc: loc
}]);
}
rtree.load(images);
debouncedRedraw();
}
function update() {
var images = rtree
function drawMarkers() {
var data = rtree
.search(context.map().extent().rectangle())
.map(function(d) { return d[4]; });
var g = layer.selectAll('g')
.data(images, function(d) { return d.key; });
var markers = layer.selectAll('g')
.data(data, function(d) { return d.key; });
// Enter
var enter = g.enter().append('g')
var enter = markers.enter()
.append('g')
.attr('class', 'image');
enter.append('path')
@@ -71,9 +96,11 @@ iD.MapillaryImageLayer = function(context) {
.attr('r', '6');
// Update
g.attr('transform', transform);
markers
.attr('transform', transform);
g.exit()
// Exit
markers.exit()
.remove();
}
@@ -85,40 +112,30 @@ iD.MapillaryImageLayer = function(context) {
// Enter
layer.enter()
.append('svg')
.on('click', function() {
var image = d3.event.target.__data__;
if (selectedImage === image) {
hide();
.style('display', enabled ? 'block' : 'none')
.on('click', function() { // deselect/select
var imageKey = d3.event.target.__data__.key;
if (imageKey === mapillary.selectedThumbnail()) {
hideThumbnail();
} else {
selectedImage = image;
show(image);
mapillary.selectedThumbnail(imageKey);
showThumbnail(imageKey);
}
})
.on('mouseover', function() {
show(d3.event.target.__data__);
showThumbnail(d3.event.target.__data__.key);
})
.on('mouseout', function() {
if (selectedImage) {
show(selectedImage);
var thumb = mapillary.selectedThumbnail();
if (thumb) {
showThumbnail(thumb);
} else {
hide();
hideThumbnail();
}
});
// Update
layer
.style('display', enabled ? 'block' : 'none');
if (!enabled) {
hide();
layer.selectAll('g')
.transition()
.duration(200)
.style('opacity', 0)
.remove();
} else {
update();
if (enabled) {
drawMarkers();
mapillary.loadImages(context.projection, layer.dimensions());
}
}
@@ -126,6 +143,11 @@ iD.MapillaryImageLayer = function(context) {
render.enable = function(_) {
if (!arguments.length) return enabled;
enabled = _;
if (enabled) {
showLayer();
} else {
hideLayer();
}
return render;
};
+70 -51
View File
@@ -1,29 +1,54 @@
iD.MapillarySignLayer = function(context) {
var mapillary = iD.services.mapillary(),
debouncedRedraw = _.debounce(function () { context.pan([0,0]); }, 1000),
rtree = rbush(),
enabled = false,
selectedImage,
layer;
function show(image) {
function showThumbnail(imageKey) {
var thumb = mapillary.selectedThumbnail();
layer.selectAll('.icon-sign')
.classed('selected', function(d) {
return selectedImage && d.key === selectedImage.key;
});
.classed('selected', function(d) { return d.key === thumb; });
mapillary.showThumbnail(context.container(), image);
mapillary.showThumbnail(context.container(), imageKey);
}
function hide() {
selectedImage = undefined;
function hideThumbnail() {
layer.selectAll('.icon-sign')
.classed('selected', false);
mapillary.hideThumbnail(context.container());
}
function showLayer() {
layer
.style('display', 'block')
.style('opacity', 0)
.transition()
.duration(500)
.style('opacity', 1)
.each('end', debouncedRedraw);
}
function hideLayer() {
debouncedRedraw.cancel();
hideThumbnail();
layer
.transition()
.duration(500)
.style('opacity', 0)
.each('end', function() {
layer
.style('display', 'none')
.selectAll('.icon-sign')
.remove();
});
}
function signsLoaded(data) {
if (!data.features.length) return;
var signs = [],
sign, loc;
@@ -38,84 +63,78 @@ iD.MapillarySignLayer = function(context) {
}
rtree.load(signs);
debouncedRedraw();
}
function drawSigns() {
var data = rtree
.search(context.map().extent().rectangle())
.map(function(d) { return d[4]; });
function update() {
var signs = rtree
.search(context.map().extent().rectangle())
.map(function(d) { return d[4]; });
var signGroups = layer.selectAll('.mapillary-sign')
.data(signs, function(d) { return d.key; });
var signs = layer.select('.mapillary-sign-offset')
.selectAll('.icon-sign')
.data(data, function(d) { return d.key; });
// Enter
var enter = signGroups.enter()
.append('g')
.attr('class', 'mapillary-sign')
.attr('transform', 'translate(-15, -15)')
signs.enter()
.append('foreignObject')
.attr('class', 'icon-sign')
.append('xhtml:body')
.html(mapillary.signHTML);
enter
.on('click', function(d) {
if (d === selectedImage) {
hide();
.html(mapillary.signHTML)
.on('click', function(d) { // deselect/select
if (d.key === mapillary.selectedThumbnail()) {
hideThumbnail();
} else {
selectedImage = d;
show(d);
mapillary.selectedThumbnail(d.key);
showThumbnail(d.key);
}
})
.on('mouseover', show)
.on('mouseover', function(d) {
showThumbnail(d.key);
})
.on('mouseout', function() {
if (selectedImage) {
show(selectedImage);
var thumb = mapillary.selectedThumbnail();
if (thumb) {
showThumbnail(thumb);
} else {
hide();
hideThumbnail();
}
});
// Update
signGroups
.select('.icon-sign')
signs
.attr('transform', iD.svg.PointTransform(context.projection));
signGroups.exit()
// Exit
signs.exit()
.remove();
}
function render(selection) {
layer = selection.selectAll('svg')
.data([0]);
// Enter
layer.enter()
.append('svg');
.append('svg')
.style('display', enabled ? 'block' : 'none')
.append('g')
.attr('class', 'mapillary-sign-offset')
.attr('transform', 'translate(-15, -15)'); // center signs on loc
// Update
layer
.style('display', enabled ? 'block' : 'none');
if (!enabled) {
hide();
layer.selectAll('.mapillary-sign')
.transition()
.duration(200)
.style('opacity', 0)
.remove();
} else {
update();
if (enabled) {
drawSigns();
mapillary.loadSigns(context, context.projection, layer.dimensions());
}
}
render.enable = function(_) {
if (!arguments.length) return enabled;
enabled = _;
if (enabled) {
showLayer();
} else {
hideLayer();
}
return render;
};
+20 -7
View File
@@ -5,7 +5,9 @@ iD.services.mapillary = function() {
urlImage = 'https://www.mapillary.com/map/im/',
urlThumb = 'https://d1cuyjsrcm0gby.cloudfront.net/',
clientId = 'NzNRM2otQkR2SHJzaXJmNmdQWVQ0dzo1ZWYyMmYwNjdmNDdlNmVi',
tileZoom = 17;
tileZoom = 14,
selectedThumbnail;
function loadSignDefs(context) {
if (!iD.services.mapillary.sign_defs) {
@@ -67,6 +69,9 @@ iD.services.mapillary = function() {
if (which.loaded[id] || which.inflight[id]) return;
var what = (which === cache.images ? 'images' : 'signs');
console.log('requesting ' + what + ' tile ' + id);
which.inflight[id] = d3.json(url +
iD.util.qsString({
geojson: 'true',
@@ -91,7 +96,7 @@ iD.services.mapillary = function() {
mapillary.loadImages = function(projection, dimensions) {
var cache = iD.services.mapillary.cache,
url = apibase + 'search/s/geojson?';
url = apibase + 'search/im/geojson?';
loadTiles(cache.images, url, projection, dimensions);
};
@@ -112,8 +117,8 @@ iD.services.mapillary = function() {
return iD.services.mapillary.sign_defs[country][type];
};
mapillary.showThumbnail = function(selection, image) {
if (!(image && image.key)) return;
mapillary.showThumbnail = function(selection, imageKey) {
if (!imageKey) return;
var thumbnail = selection.selectAll('.mapillary-image')
.data([0]);
@@ -123,7 +128,9 @@ iD.services.mapillary = function() {
.attr('class', 'mapillary-image');
enter.append('button')
.on('click', function () { mapillary.hideThumbnail(selection) })
.on('click', function () {
mapillary.hideThumbnail(selection);
})
.append('div')
.call(iD.svg.Icon('#icon-close'));
@@ -143,14 +150,15 @@ iD.services.mapillary = function() {
.style('opacity', 1);
thumbnail.selectAll('img')
.attr('src', urlThumb + image.key + '/thumb-320.jpg');
.attr('src', urlThumb + imageKey + '/thumb-320.jpg');
thumbnail.selectAll('a')
.attr('href', urlImage + image.key);
.attr('href', urlImage + imageKey);
};
mapillary.hideThumbnail = function(selection) {
selectedThumbnail = null;
selection.selectAll('.mapillary-image')
.transition()
.duration(200)
@@ -158,6 +166,11 @@ iD.services.mapillary = function() {
.remove();
};
mapillary.selectedThumbnail = function(imageKey) {
if (!arguments.length) return selectedThumbnail;
selectedThumbnail = imageKey;
};
mapillary.reset = function() {
var cache = iD.services.mapillary.cache;