Locus sampling sub-optimal at the extremities
Bug #1165345 reported by
hilaire
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Dr. Geo |
Fix Released
|
High
|
hilaire | ||
Bug Description
In the enclosed example to construct an ellipse as a locus, the extremities are incorrectly sampled: we are short in samples in the zone.
Need to revisit our dichotomy recursive algorithm and check its parameters.
Revision history for this message
| hilaire (hilaire-fernandes) wrote | #1 |
Revision history for this message
| hilaire (hilaire-fernandes) wrote | #2 |
| Changed in drgeo: | |
| status: | Confirmed → Fix Committed |
| Changed in drgeo: | |
| status: | Fix Committed → Fix Released |
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What has been done so far:
- minAbscissaDelta smaller to a factor 10
- maxScreenDelta set to 256 (so 16 screen unit)
- add an exist attribute to LocusSample, we can sample in the invalid abscsissa area until valid sample is found or minAbscissaDelta is reached.
- various condition check and optimisation