ST_AREA returns different results on two equivalent multipolygons
Bug #855323 reported by
Philip Stoev
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| MariaDB |
Opinion
|
Undecided
|
Alexey Botchkov | ||
Bug Description
The following 2 polygons appear equivalent when graphed with a GUI application:
MULTIPOLYGON (
((4 6, 4 7.14285714285714, 8 6, 4 6), (8 6, 9 9, 9 6, 8 6)),
((4 7.14285714285714, 1 8, 4 8.375, 4 7.14285714285714)),
((4 8.375, 4 9, 9 9, 4 8.375))
)
MULTIPOLYGON (
((9 9, 4 8.375, 4 9, 9 9)),
((4 7.14285714285714, 1 8, 4 8.375, 4 7.14285714285714)),
((4 7.14285714285714, 8 6, 4 6, 4 7.14285714285714)),
((8 6, 9 9, 9 6, 8 6))
)
And yet ST_AREA() returns different results for them. Same is observed in PostGIS, and it seems incorrect.
Related branches
| Changed in maria: | |
| assignee: | nobody → Alexey Botchkov (holyfoot) |
| Changed in maria: | |
| milestone: | none → 5.3 |
| Changed in maria: | |
| status: | New → Won't Fix |
| status: | Won't Fix → Opinion |
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