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big circle draw fix for #126. Try to make the source inside the circle

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This commit is contained in:
Matthieu Baumann
2023-10-23 10:00:13 +02:00
parent bda3e50a8d
commit 733f81fc6b
2 changed files with 11 additions and 8 deletions
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9
examples/al-big-circle.html
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@@ -10,11 +10,14 @@
import A from '../src/js/A.js';
let aladin;
A.init.then(() => {
// Start up Aladin Lite
aladin = A.aladin('#aladin-lite-div', {survey: "CDS/P/DSS2/color", target: 'M 1', fov: 0.2, showContextMenu: true, fullScreen: true});
aladin = A.aladin('#aladin-lite-div', {target: 'M 1', fov: 180});
var overlay = A.graphicOverlay({color: '#ee2345', lineWidth: 3});
aladin.addOverlay(overlay);
overlay.add(A.circle(83.66067, 22.03081, 40.0, {color: 'cyan'})); // radius in degrees
overlay.add(A.circle(83.66067, 0, 30, {color: 'cyan'})); // radius in degrees
var cat = A.catalog({name: 'Some markers', sourceSize: 18});
aladin.addCatalog(cat);
cat.addSources([A.marker(83, 29, {popupTitle: 'Point1', popupDesc: 'Does not show up in circle'})]);
aladin.on("footprintClicked", (footprint) => {
console.log("footprint clicked catched", footprint)

10
src/js/Circle.js
View File

@@ -167,8 +167,8 @@ export let Circle = (function() {
let hidden = true;
var ra, dec, vertOnCircle, dx, dy;
if (view.fov > 90) {
this.radius = Number.POSITIVE_INFINITY;
//if (this.radiusDegrees > 30) {
this.radius = Number.NEGATIVE_INFINITY;
// Project 4 points lying on the circle and take the minimal dist with the center as radius
[[-1, 0], [1, 0], [0, -1], [0, 1]].forEach(([cardDirRa, cardDirDec]) => {
@@ -181,12 +181,12 @@ export let Circle = (function() {
dx = vertOnCircle[0] - this.center.x;
dy = vertOnCircle[1] - this.center.y;
this.radius = Math.min(Math.sqrt(dx*dx + dy*dy), this.radius);
this.radius = Math.max(Math.sqrt(dx*dx + dy*dy), this.radius);
hidden = false;
}
});
} else {
/*} else {
ra = this.centerRaDec[0] + this.radiusDegrees;
dec = this.centerRaDec[1];
@@ -199,7 +199,7 @@ export let Circle = (function() {
this.radius = Math.sqrt(dx*dx + dy*dy);
hidden = false;
}
}
}*/
if (hidden) {
return;