maptalks / maptalks/maptalks.biglayer
PointLayer渲染叠加的点时, 视觉上连成一团了, 与VectorLayer渲染结果相差太大
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- Dominant language
- JavaScript
- Stars
- 30
- Forks
- 13
- PR merge metrics
- No merged PRs in 30d
Description
## Vector渲染结果:
## Point渲染结果:
## Point渲染结果(改变blendFunc后)
`gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA)`
与Vector仍然有差距, 不过已经有层次感了.
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by comparing the PointLayer and VectorLayer rendering paths, focusing on how overlapping points are composited. Reproduce the visual difference shown in the issue, then compare it with the reported gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA) result. Done means PointLayer overlaps have visual layering comparable to VectorLayer.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- computer-graphics, data-visualization
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 32/100