[英]How to add background image with zoom in/out to sigma.js
經過簡單的幸運搜索,我找到了以下解決方案:
var c = s.camera;
// Zoom out - single frame :
c.goTo({
ratio: c.ratio * c.settings('zoomingRatio')
});
// Zoom in - single frame :
c.goTo({
ratio: c.ratio / c.settings('zoomingRatio')
});
// Zoom out - animation :
sigma.misc.animation.camera(c, {
ratio: c.ratio * c.settings('zoomingRatio')
}, {
duration: 200
});
// Zoom in - animation :
sigma.misc.animation.camera(c, {
ratio: c.ratio / c.settings('zoomingRatio')
}, {
duration: 200
});
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