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automatically skip around the earth when going into the wraparound

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area of the projection extent_
This commit is contained in:
Matthias Wirth
2020-04-27 17:36:55 +02:00
parent d37b5d2f7b
commit e00bdc4fb8
1 changed files with 13 additions and 4 deletions
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17
html/script.js
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@@ -6,6 +6,7 @@
// Define our global letiables
let OLMap = null;
let OLProj = null;
let StaticFeatures = new ol.source.Vector();
let PlaneIconFeatures = new ol.source.Vector();
let trailGroup = new ol.Collection();
@@ -297,7 +298,7 @@ function processReceiverUpdate(data, init) {
function fetchData() {
ZoomLvl = OLMap.getView().getZoom();
let center = ol.proj.toLonLat(OLMap.getView().getCenter(), OLMap.getView().getProjection());
let center = ol.proj.toLonLat(OLMap.getView().getCenter());
localStorage['CenterLon'] = CenterLon = center[0];
localStorage['CenterLat'] = CenterLat = center[1];
clearTimeout(refreshId);
@@ -1378,6 +1379,7 @@ function initialize_map() {
loadTilesWhileInteracting: false,
interactions: new ol.interaction.defaults({altShiftDragRotate:false, pinchRotate:false,}),
});
OLProj = OLMap.getView().getProjection();
OLMap.getView().setRotation(mapOrientation); // adjust orientation
@@ -3468,7 +3470,9 @@ function zoomOut() {
}
function changeCenter(init) {
const center = ol.proj.toLonLat(OLMap.getView().getCenter(), OLMap.getView().getProjection());
const rawCenter = OLMap.getView().getCenter();
const center = ol.proj.toLonLat(rawCenter);
localStorage['CenterLon'] = CenterLon = center[0];
localStorage['CenterLat'] = CenterLat = center[1];
@@ -3478,11 +3482,16 @@ function changeCenter(init) {
if (!init && showTrace)
updateAddressBar();
if (rawCenter[0] < OLProj.extent_[0] || rawCenter[0] > OLProj.extent_[3]) {
OLMap.getView().setCenter(ol.proj.fromLonLat(center));
}
}
function checkMovement() {
const zoom = OLMap.getView().getZoom();
const center = ol.proj.toLonLat(OLMap.getView().getCenter(), OLMap.getView().getProjection());
const center = ol.proj.toLonLat(OLMap.getView().getCenter());
if (
checkMoveZoom != zoom ||
@@ -4347,7 +4356,7 @@ function checkFollow() {
toggleFollow(false);
return;
}
const center = ol.proj.toLonLat(OLMap.getView().getCenter(), OLMap.getView().getProjection());
const center = ol.proj.toLonLat(OLMap.getView().getCenter());
if (Math.abs(center[0] - SelectedPlane.position[0]) > 0.001 ||
Math.abs(center[1] - SelectedPlane.position[1]) > 0.001) {
toggleFollow(false);