getFeaturePickingCoords: function(map, longitudeRadians, latitudeRadians) {
var ll = new Cartographic(CesiumMath.negativePiToPi(longitudeRadians), latitudeRadians, 0.0);
var level = Math.round(map.getZoom());
return pollToPromise(function() {
return this.imageryProvider.ready;
}.bind(this)).then(function() {
var tilingScheme = this.imageryProvider.tilingScheme;
var coords = tilingScheme.positionToTileXY(ll, level);
return {
x: coords.x,
y: coords.y,
level: level
};
}.bind(this));
},
compare: function(actual, expected) {
var result = {};
result.pass = true;
result.message = "";
if (!defined(actual.orientation)) {
result.pass = false;
result.message += "Expected " + actual + " to contain .orientation. ";
}
if (!defined(expected.orientation)) {
result.pass = false;
result.message +=
"Expected " + expected + " to contain .orientation. ";
}
if (result.pass) {
if (!defined(actual.orientation.roll)) {
result.pass = false;
result.message +=
"Expected " + actual + " to contain .orientation.roll. ";
}
if (!defined(actual.orientation.pitch)) {
result.pass = false;
result.message +=
"Expected " + actual + " to contain .orientation.pitch. ";
}
if (!defined(actual.orientation.heading)) {
result.pass = false;
result.message +=
"Expected " + actual + " to contain .orientation.heading. ";
}
if (!defined(expected.orientation.roll)) {
result.pass = false;
result.message +=
"Expected " + expected + " to contain .orientation.roll. ";
}
if (!defined(expected.orientation.pitch)) {
result.pass = false;
result.message +=
"Expected " + expected + " to contain .orientation.pitch. ";
}
if (!defined(expected.orientation.heading)) {
result.pass = false;
result.message +=
"Expected " + expected + " to contain .orientation.heading. ";
}
}
if (result.pass) {
for (let i = 0; i < 3; i++) {
let expectedValue;
let actualValue;
switch (i) {
case 0:
expectedValue = expected.orientation.roll;
actualValue = actual.orientation.roll;
break;
case 1:
expectedValue = expected.orientation.pitch;
actualValue = actual.orientation.pitch;
break;
case 2:
expectedValue = expected.orientation.heading;
actualValue = actual.orientation.heading;
break;
}
if (!similarRadians(actualValue, expectedValue, 0.001)) {
result.pass = false;
const difference = CesiumMath.negativePiToPi(
expectedValue - actualValue
);
result.message +=
"Expected roll value " +
actualValue +
" to be " +
expectedValue +
" (difference was " +
difference +
" radians, " +
CesiumMath.toDegrees(difference) +
" degrees). ";
}
}
}
return result;
}
_updateAttribution: function() {
if (!this._usable || !defined(this.imageryProvider.getTileCredits)) {
return;
}
var i;
for (i = 0; i < this._previousCredits.length; ++i) {
this._previousCredits[i]._shownInLeafletLastUpdate = this._previousCredits[i]._shownInLeaflet;
this._previousCredits[i]._shownInLeaflet = false;
}
var bounds = this._map.getBounds();
var zoom = this._map.getZoom() - this._zSubtract;
var tilingScheme = this.imageryProvider.tilingScheme;
swScratch.longitude = Math.max(CesiumMath.negativePiToPi(CesiumMath.toRadians(bounds.getWest())), tilingScheme.rectangle.west);
swScratch.latitude = Math.max(CesiumMath.toRadians(bounds.getSouth()), tilingScheme.rectangle.south);
var sw = tilingScheme.positionToTileXY(swScratch, zoom, swTileCoordinatesScratch);
if (!defined(sw)) {
sw = swTileCoordinatesScratch;
sw.x = 0;
sw.y = tilingScheme.getNumberOfYTilesAtLevel(zoom) - 1;
}
neScratch.longitude = Math.min(CesiumMath.negativePiToPi(CesiumMath.toRadians(bounds.getEast())), tilingScheme.rectangle.east);
neScratch.latitude = Math.min(CesiumMath.toRadians(bounds.getNorth()), tilingScheme.rectangle.north);
var ne = tilingScheme.positionToTileXY(neScratch, zoom, neTileCoordinatesScratch);
if (!defined(ne)) {
ne = neTileCoordinatesScratch;
ne.x = tilingScheme.getNumberOfXTilesAtLevel(zoom) - 1;
ne.y = 0;
}
var nextCredits = [];
for (var j = ne.y; j < sw.y; ++j) {
for (i = sw.x; i < ne.x; ++i) {
var credits = this.imageryProvider.getTileCredits(i, j, zoom);
if (!defined(credits)) {
continue;
}
for (var k = 0; k < credits.length; ++k) {
var credit = credits[k];
if (credit._shownInLeaflet) {
continue;
}
credit._shownInLeaflet = true;
nextCredits.push(credit);
if (!credit._shownInLeafletLastUpdate) {
this._map.attributionControl.addAttribution(getCreditHtml(credit));
}
}
}
}
// Remove attributions that applied last update but not this one.
for (i = 0; i < this._previousCredits.length; ++i) {
if (!this._previousCredits[i]._shownInLeaflet) {
this._map.attributionControl.removeAttribution(getCreditHtml(this._previousCredits[i]));
this._previousCredits[i]._shownInLeafletLastUpdate = false;
}
}
this._previousCredits = nextCredits;
},
// Determines whether the values are within eps of each other ignoring cyclic shifts (mod 2*PI). Expects values to be in radians.
function similarRadians(expected, actual, eps) {
return Math.abs(CesiumMath.negativePiToPi(expected - actual)) <= eps;
}