misc | Eric Field | Observable

misc

Miscellaneous routines and explanations of possibly helpful things.

Listed in: demos and DataViz

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Eric Field

@emfielduva

Building and Using Tools to See. UVA Architecture + Data Science. IT Director. Instructor.

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Drag Snap to Line

Apr 25, 2025

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Closest Point dropline

Apr 25, 2025

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Groups and Layers in SVG

Apr 22, 2025

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getting values from inputs

May 7, 2024

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Get nearest data neighbors

May 6, 2024

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Polygons by [lon,lat] sets on Map (geo)

May 3, 2024

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Filter data on array of multiple values

Apr 29, 2024

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Apr 22, 2024

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Filled Arc Polygon Bands

Apr 20, 2024

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Apr 7

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Radial bar / line

Mar 25, 2024

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Add text labels to Fixed location Network Graph

May 9, 2023

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Fixed location Network Graph

May 6, 2023

1

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Scale Date / Time on a line

May 5, 2023

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Force Directed clustering along a path

May 2, 2023

4

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D3 join, with updating data

Mar 16, 2025

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SVG distance along path / curve

Apr 19, 2023

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Curves / distance color gradient

Apr 18, 2023

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"Thickened" line with SVG filled Bezier

Apr 19, 2023

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Title from Variable Dropdown

May 9, 2022

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Mousover change text

Apr 25, 2023

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Stacked dropdown filter

May 3, 2022

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Rings - circle with hole mask

Apr 11, 2023