Revise defaults to reduce lagging on mouse drag?

The current default mouse drag settings have an appreciably long lag time before the image catches up with the pointer position. It trails. It doesn’t feel snappy. I can’t think of a reason why anyone would want this behavior, ever.

I think these settings are a better default:

OpenSeadragon({
  id: "osd",
  prefixUrl: "//openseadragon.github.io/openseadragon/images/",
  tileSources: "//openseadragon.github.io/example-images/duomo/duomo.dzi",
  gestureSettingsMouse: {
    flickEnabled: true,
    clickToZoom: false,
    dblClickToZoom: true
  },
  zoomPerSecond: 0.5,
  zoomPerScroll: 1.3
});

Visible in action at: http://output.jsbin.com/hikekaroxa

This is all per the (closed) discussion at #1077.

If there’s a compelling reason not to do this, you might at least add another example to the “zoom-and-pan” docs with these or similar settings.

[ovanderzee]

Just to help out when you do not like OpenSeadragon’s animation effects, reading the unit tests, you should configure: OpenSeadragon({ … animationTime: 0, springStiffness: 100, … })

[iangilman]

Good point, and certainly a trend worth watching. I don’t have enough experience with touch desktop devices to know whether tapping a button would be more appealing than pinching. I do know @msalsbery has put a lot of work into making sure OSD’s touch gestures work on all touch enabled devices, and even the separate pen events (not to be confused with touch or mouse) of pen-enabled devices work. Anyway, good stuff to think about for a possible redesign of the buttons.

I see that as more of a long term change, requiring a bit more thought. Turning flickEnabled on is something we can do right away.