Spectrogram support - #82

Draft

NavigSB wants to merge 24 commits into

crotwell:devfrom

NavigSB:spectrogram-support

Commits on Aug 7, 2026

First attempt at adding spectrogram-js code to seisplot.js
NavigSB
committed
9c265e8
Exchange overlap config for overlap percentage
NavigSB
committed
d127bea
First attempt at rendering spectrogram according to time scale
NavigSB
committed
6bebca0
Better names in drawSeismograms and small bug fix
NavigSB
committed
e548c5b
Document drawChunk
NavigSB
committed
d0a43e8
Document and clean up render, remove SpectrogramWeb for simplicity
NavigSB
committed
bb1a7b4
Fix drawSeismograms to work with changes, plus some function cleanup
NavigSB
committed
b212a40
Fix millisecond-second mismatch, and mixup in CanvasRender render chunk id check
NavigSB
committed
4439ee8
Fix mismatches between relative and absolute time in different places, stop trimming in drawSeismograms for better math
NavigSB
committed
437b17b
FINALLY figured out what the windowSize means
NavigSB
committed
8fde3f6
Change leftRight axis to be frequency
NavigSB
committed
471a7e6
Use PNSN standard spectrogram settings as defaults
NavigSB
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c9fab76
Move CanvasRenderer to the constructor to not be reinitialized all the time
NavigSB
committed
f186c1d
Yay! The cache works! What a performance buff :) Also, add ability to remove units label
NavigSB
committed
e53e578
Make sure to equally constrain frequency range in axis labels, added some comments
NavigSB
committed
70e8abc
Add more comments to drawSeismograms
NavigSB
committed
3174c20
Add better comments to createLeftRightAxis
NavigSB
committed
e50a5d7
Remove SpectrogramModel because we ultimately didn't really use it
NavigSB
committed
f2d0048
Finish comments for CanvasRenderer and DataChunk
NavigSB
committed
76c20bf
Add copious comments to ChunkProcessor.process since it has a big chunk of the functionality
NavigSB
committed
f390aa8
Add comments to FFTExecutor.compute
NavigSB
committed
7722438
Add comments for ColorMap
NavigSB
committed
e62ec7c
Add the MIT license for using spectrogram-js code
NavigSB
committed
32a619a

Commits on Aug 8, 2026

Default to PNSN power range for config
NavigSB
committed
fe240a9

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Spectrogram support - #82

Spectrogram support#82
NavigSB wants to merge 24 commits into
crotwell:devfrom
NavigSB:spectrogram-support

Commits on Aug 7, 2026

First attempt at adding spectrogram-js code to seisplot.js

Exchange overlap config for overlap percentage

First attempt at rendering spectrogram according to time scale

Better names in drawSeismograms and small bug fix

Document drawChunk

Document and clean up render, remove SpectrogramWeb for simplicity

Fix drawSeismograms to work with changes, plus some function cleanup

Fix millisecond-second mismatch, and mixup in CanvasRender render chunk id check

Fix mismatches between relative and absolute time in different places, stop trimming in drawSeismograms for better math

FINALLY figured out what the windowSize means

Change leftRight axis to be frequency

Use PNSN standard spectrogram settings as defaults

Move CanvasRenderer to the constructor to not be reinitialized all the time

Yay! The cache works! What a performance buff :) Also, add ability to remove units label

Make sure to equally constrain frequency range in axis labels, added some comments

Add more comments to drawSeismograms

Add better comments to createLeftRightAxis

Remove SpectrogramModel because we ultimately didn't really use it

Finish comments for CanvasRenderer and DataChunk

Add copious comments to ChunkProcessor.process since it has a big chunk of the functionality

Add comments to FFTExecutor.compute

Add comments for ColorMap

Add the MIT license for using spectrogram-js code

Commits on Aug 8, 2026

Default to PNSN power range for config