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Auto-lock FOV when navigating to objects #9

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Merged
giancarloerra merged 1 commit into from
Mar 30, 2026
Merged

Auto-lock FOV when navigating to objects #9

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35 changes: 33 additions & 2 deletions public/skychart.html
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Original file line number Diff line number Diff line change
Expand Up @@ -1282,6 +1282,7 @@ <h2 style="width:100%;text-align:center;display:flex;align-items:center;justify-
document.getElementById('qb-rotation-slider').value = fav.rotation;
document.getElementById('qb-rotation-val').innerText = fav.rotation + '°';
}
lockFovOnTarget(fav.ra, fav.dec, fav.rotation);
if (fav.mosaic) {
mosaicCols = fav.mosaic.cols;
mosaicRows = fav.mosaic.rows;
Expand Down Expand Up @@ -2656,7 +2657,7 @@ <h2 style="width:100%;text-align:center;display:flex;align-items:center;justify-
setTimeout(() => window.dispatchEvent(new Event('resize')), 320);
});

document.getElementById('search-btn').addEventListener('click', () => { let t = document.getElementById('search-input').value; if(t) aladin.gotoObject(t); });
document.getElementById('search-btn').addEventListener('click', () => { let t = document.getElementById('search-input').value; if(t) { aladin.gotoObject(t); lockFovAfterGoto(); } });
document.getElementById('search-input').addEventListener('keypress', (e) => { if(e.key === 'Enter') document.getElementById('search-btn').click(); });
document.getElementById('survey-select').addEventListener('change', (e) => { if(aladin) aladin.setImageSurvey(e.target.value); });
document.getElementById('rotation-slider').addEventListener('input', (e) => {
Expand Down Expand Up @@ -2705,7 +2706,7 @@ <h2 style="width:100%;text-align:center;display:flex;align-items:center;justify-
// ===== QUICK-BAR BINDINGS =====
document.getElementById('qb-search-btn').addEventListener('click', () => {
let t = document.getElementById('qb-search').value.trim();
if (t && aladin) { aladin.gotoObject(t); document.getElementById('qb-search').value = ''; }
if (t && aladin) { aladin.gotoObject(t); document.getElementById('qb-search').value = ''; lockFovAfterGoto(); }
});
document.getElementById('qb-search').addEventListener('keypress', (e) => {
if (e.key === 'Enter') document.getElementById('qb-search-btn').click();
Expand All @@ -2726,6 +2727,32 @@ <h2 style="width:100%;text-align:center;display:flex;align-items:center;justify-
debouncedSave();
});

// Auto-lock FOV on a target position, resetting rotation if none provided
function lockFovOnTarget(ra, dec, rotation) {
let box = document.getElementById('camera-fov-box');
let icon = document.getElementById('fov-lock-icon');
fovLocked = true;
fovLockedRaDec = [ra, dec];
box.classList.add('fov-locked');
icon.innerHTML = '<svg viewBox="0 0 24 24"><path d="M18 10h-1V7A5 5 0 0 0 7 7v3H6a2 2 0 0 0-2 2v8a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2v-8a2 2 0 0 0-2-2zM9 7a3 3 0 0 1 6 0v3H9V7zm4 10.5a1.5 1.5 0 0 1-3 0v-3a1.5 1.5 0 0 1 3 0v3z"/></svg>';
if (rotation == null) {
document.getElementById('rotation-slider').value = 0;
document.getElementById('rotation-val').innerText = '0°';
document.getElementById('qb-rotation-slider').value = 0;
document.getElementById('qb-rotation-val').innerText = '0°';
}
syncQuickBar();
debouncedSave();
}

// Auto-lock after gotoObject resolves (name-based navigation)
function lockFovAfterGoto() {
setTimeout(() => {
let radec = aladin.getRaDec();
if (radec) lockFovOnTarget(radec[0], radec[1], null);
}, 1500);
}

// FOV lock toggle — click FOV box to lock/unlock
function toggleFovLock() {
fovLocked = !fovLocked;
Expand Down Expand Up @@ -3133,8 +3160,10 @@ <h2 style="width:100%;text-align:center;display:flex;align-items:center;justify-
let name = card.dataset.name;
if (!isNaN(ra) && !isNaN(dec) && aladin) {
aladin.gotoRaDec(ra, dec);
lockFovOnTarget(ra, dec, null);
} else if (name && aladin) {
aladin.gotoObject(name);
lockFovAfterGoto();
}
});
});
Expand Down Expand Up @@ -3169,8 +3198,10 @@ <h2 style="width:100%;text-align:center;display:flex;align-items:center;justify-
let name = card.dataset.name;
if (!isNaN(ra) && !isNaN(dec) && aladin) {
aladin.gotoRaDec(ra, dec);
lockFovOnTarget(ra, dec, null);
} else if (name && aladin) {
aladin.gotoObject(name);
lockFovAfterGoto();
}
});
});
Expand Down
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