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Jonathan Helfman
Student of math, d3, svg, etc. Prototyper of visualizations for electronics design and test.
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Jonathan Helfman
Edited
Jan 4, 2020
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Colormap Cumulative Adjacent Color Deltas
D3
D3 Selectable Legend
D3 Distributions
D3 Duration Tick Labels
Continuous Sequential Colormap Comparison with variable metrics
RF Energy Scatterplot
Continuous Sequential Colormap Comparison
Reverse-FFT signals with focus + context
Reverse-FFT signals with updating lines, marks, and axes
Basic updating line with marks and axes
Basic updating line with marks
Basic updating line
Generate signals with reverse-FFT.
SVG fill transition example
Scrubbing Adjacent-Color Difference Graph of D3 Colormaps
Cumulative Adjacent Color Difference Colormap Race
Microphone Audio Spectrogram 3
Colormap Cumulative Adjacent Color Deltas
Force-Directed Graph of Categorical Colors
Adjacent-Color Difference Graph of D3 Colormaps
Force-directed layout of Palette Deltas 2
Cumulative Colormap Adjacent Color Deltas with filtering and gradients
Force-Directed Graph of actual pixel values
Cumulative Colormap Adjacent Color Deltas
Line Chart Update
Axis Update
Data and Axes Transitions
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Colormaps
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extremeColors
=
cmaps
.
map
(
cm
=>
getColors
(
cmapmap
[
cm
]
,
minN
)
)
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edataMax
=
d3
.
max
(
extremeColors
.
map
(
pc
=>
getAdjacentDeltas
(
pc
)
[
0
]
)
)
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Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
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Jonathan Helfman
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