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gipy openstmap: clear area before redraw

pull/3528/head
Erik Andresen 2024-08-11 12:59:34 +02:00
parent a0119ba74c
commit c873bf3dd3
1 changed files with 7 additions and 1 deletions
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8
apps/gipy/app.js
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@ -1502,6 +1502,7 @@ function start_gipy(path, maps, interests, heights) {
osm.lon = (minLong+maxLong)/2.0;
const drawOpenStmap = () => {
g.clearRect(Bangle.appRect);
osm.draw();
// draw track
@ -1509,7 +1510,11 @@ function start_gipy(path, maps, interests, heights) {
for(let i=0; i<path.len; i++) {
const point = path.point(i);
const mp = osm.latLonToXY(point.lat, point.lon);
g.lineTo(mp.x,mp.y);
if (i == 0) {
g.moveTo(mp.x,mp.y);
} else {
g.lineTo(mp.x,mp.y);
}
g.fillCircle(mp.x,mp.y,2); // make the track more visible
}
@ -1534,6 +1539,7 @@ function start_gipy(path, maps, interests, heights) {
Bangle.setUI({
mode: "custom",
btn: (n) => { // back handling
g.clearRect(0, 0, g.getWidth(), g.getHeight());
E.showMenu(menu);
},
drag: (ev) => { // zoom, move