Skip to content

Add quiver trace type for vector field visualization #7584

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
degzhaus wants to merge 14 commits into
base: master
Choose a base branch
from
Open

Add quiver trace type for vector field visualization #7584

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
14 commits
Select commit Hold shift + click to select a range
2615a70
Add scatterquiver trace type
degzhaus Oct 21, 2025
5d4856f
Ensure no-gl-jasmine tests pass
degzhaus Oct 22, 2025
7cfe9b0
Name plot type quiver not scatterquiver
degzhaus Nov 2, 2025
fb01316
Model quiver api closer to 3d cone trace
degzhaus Nov 3, 2025
f7dddbc
Match arrowhead attributes for annotations
degzhaus Nov 11, 2025
aa65916
Derive scaling from axes
degzhaus Nov 11, 2025
dec915a
Remove angle attribute
degzhaus Nov 11, 2025
507fb62
Include colorscale attributes in quiver
degzhaus Nov 11, 2025
5a081e8
Add support for coloring by an independent scalar array
degzhaus Nov 11, 2025
4035d4d
Run npm run schema
degzhaus Nov 11, 2025
f09536f
Use isArrayOrTypedArray
degzhaus Nov 19, 2025
d4c2a1f
Add quiver jasmine and image tests
degzhaus Nov 17, 2025
a008dab
Generate baseline images for quiver tests
degzhaus Nov 17, 2025
60d1da9
Run npm run schema
degzhaus Nov 30, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Remove angle attribute
  • Loading branch information
@degzhaus
degzhaus committed Nov 29, 2025
commit dec915a1b9f675ba605da8f3dbae4089d95b4a34
8 changes: 0 additions & 8 deletions src/traces/quiver/attributes.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -65,14 +65,6 @@ var attrs = {
'or *cm*/*center*/*middle* to center the arrow on (x,y).'
].join(' ')
},
angle: {
valType: 'number',
dflt: Math.PI / 9,
min: 0,
max: Math.PI / 2,
editType: 'calc',
description: 'Angle of arrowhead in radians. Default = π/9'
},
hoverdistance: {
valType: 'number',
min: -1,
Expand Down
1 change: 0 additions & 1 deletion src/traces/quiver/defaults.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,7 +45,6 @@ module.exports = function supplyDefaults(traceIn, traceOut, defaultColor, layout
coerce('arrowsize', 1);
// back-compat
coerce('arrow_scale');
coerce('angle', Math.PI / 9);
coerce('hoverdistance', 20);

// Line styling
Expand Down
9 changes: 6 additions & 3 deletions src/traces/quiver/plot.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,10 @@ function plotOne(gd, idx, plotinfo, cdscatter, cdscatterAll, element, transition
var arrowScale = (trace.arrowsize !== undefined)
? (baseHeadScale * trace.arrowsize)
: (trace.arrow_scale !== undefined ? trace.arrow_scale : baseHeadScale);
var angle = trace.angle || Math.PI / 12; // small default
// Fixed arrowhead wedge angle (radians).
// Arrow direction is fully determined by u,v (see barbAng below);
// this constant only controls the opening of the head.
var headAngle = Math.PI / 12;

var u = (trace.u && trace.u[cdi.i]) || 0;
var v = (trace.v && trace.v[cdi.i]) || 0;
Expand All @@ -138,8 +141,8 @@ function plotOne(gd, idx, plotinfo, cdscatter, cdscatterAll, element, transition
var arrowLen = barbLen * arrowScale;
var barbAng = Math.atan2(dy, dx / scaleRatio);

var ang1 = barbAng + angle;
var ang2 = barbAng - angle;
var ang1 = barbAng + headAngle;
var ang2 = barbAng - headAngle;

var x0, y0, x1, y1;
if (anchor === 'tip') {
Expand Down