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by DonHopkins
495 days ago
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The two-ended Min/Max sliders of the Dynamic HomeFinder and the SimCity Frob-O-Matic Dynamic Zone Filter allow you to effectively invert selections by dragging the Max end all the way to the right, and then adjusting the Min end, since the filter passes everything between Min and Max. Or you can drag the whole slider range by the middle to adjust Min and Max at once, exploring a fixed width interval of the values. https://news.ycombinator.com/item?id=42978733 https://youtu.be/_fVl4dGwUrA?t=3m35s A useful feature (not implemented in that video of X11 SimCity from 1992, but it would be easy to implement now with better graphics and faster computers) is to display a histogram in each of the sliders, where the x-axis is the parameter value, and the y-axis is the number of items of that slider's value (given that all other sliders are at their current value), so you can easily spot clusters and peaks and sparse areas, and you can include or exclude them from the filter by sliding the Min and Max edges across the histogram. So as you adjust one slider, the histograms in the other sliders change to reflect the current "slice" of multi dimensional space with respect to the filter you're adjusting. Showing a histogram for every filter parameter on each slider gives you a multi-dimensional view of the distribution density of the data, that you can tweak and explore in real time, which helps you figure out how to adjust the filters to find interesting and ignore uninteresting items, and focus in on just the items you want. |
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