The handleWheel function in setupZoomGestures uses 1 - e.deltaY * 0.01 to compute the zoom factor. With standard mouse wheels (deltaY ≈ 100 per notch), one notch down yields a factor of 0 (clamped to 0.1), while one notch up yields 2.0. This makes zoom-out aggressive compared to zoom-in.
The handleWheel function in setupZoomGestures uses 1 - e.deltaY * 0.01 to compute the zoom factor. With standard mouse wheels (deltaY ≈ 100 per notch), one notch down yields a factor of 0 (clamped to 0.1), while one notch up yields 2.0. This makes zoom-out aggressive compared to zoom-in.