Jonathan Helfman

Actual Pixel Values

Algorithms

Audio

Categorical color

Colormaps

Colors

Color Spaces

D3 Charts

Datasets

Dynamic Equations

Data from fatalencounters.org: 'A step toward creating an impartial, comprehensive, and searchable national database of people killed during interactions with law enforcement.'

Fatal Encounters

Generators

Hierarchical Masking

Exploring the use of color impairment simulation

Hue Impairment Simulation

Image Manipulation

Image Tiles

Mapping

Masks

Math

Attempts to create useful example notebooks with minimal code

Minimal Code

Exploring techniques to extract and visualize image pixel values.

Palette Extraction

Perceptual Color Precision

Plot

Visualization of electromagnetic energy measurement data

RF Energy

School Shootings

Spirals

three

Unit Circle

Visualizing US region populations, areas, and densities

US Regions

Vega-Lite

Wikipedia

Amplifier Compression Data

Reusable ThreeJS Grid

Amplifier Simulation Data

Colormap Octave Effect

Combining two images with a luminance mask

Image Brightness to Alpha Mask

Driving texgen with generators

Color Generator Function HSL

Color Generator Function JCh

Value Generator Function

Threejs Canvas Texture Image Chopper 2

Threejs Canvas Texture Image Chopper Z-Brightness

Threejs Canvas Texture Image Chopper

Threejs Canvas Texture Image Atlas

Hello Threejs Canvas Texture

The Three-Body Problem - Canvas

Color Contrast

Import view bug?

Plot: Histogram with Unequal Bin Widths

Plot: Histogram Bin Width

Plot: MD Chart

Plot: Violin Chart without Facet

Plot Boxplots

D3 Selectable Legend

Bit Field Patterns: fork for color and animation

Rectangular Gauge

Overlapping SVG Patterns

Dataset Utilities

Using color to show distinct values consistently while filtering

Visualizing Data from the California Women, Infants and Children (WIC) Program

Jonathan Helfman

Public notebooks

Public collections