On the Problem of Finding Intersection Points for Polylines
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Assessment
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Newbie friendliness
- 30/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- java
- Domain
- computer-graphics
Research direction
Start by reproducing the example at GeometryEngine.intersect(lineA, lineB, s) with the supplied coordinates and inspect the returned Geometry.Type. Compare the observed result with the API's expected intersection semantics, then document the explanation or identify the behavior that needs correction.
Written by the indexing model from the issue text.
Description
Why is the following code not a point but a line：
SpatialReference s = SpatialReference.create(4450);
Polyline lineA = new Polyline();
lineA.startPath(new Point(352908.85 , 3422574.91));
lineA.lineTo(new Point(352910.00, 3422580.00));
Polyline lineB = new Polyline();
lineB.startPath(new Point(352921.52 , 3422543.38));
lineB.lineTo(new Point(352908.85 , 3422574.91));
Geometry intersection = GeometryEngine.intersect(lineA, lineB, s);
Geometry.Type type = intersection.getType();
System.out.println();
- Dominant language
- Java
- Stars
- 710
- Forks
- 268
- Avg merge
- 7d 23h
- Merged PRs (30d)
- 1
Contributor guide
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.
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