Opened 8 years ago
Closed 7 years ago
#89 closed defect (fixed)
Negative altitudes in KML export
| Reported by: | Erin Lynch | Owned by: | Olly Betts |
|---|---|---|---|
| Priority: | minor | Milestone: | 1.2.32 |
| Component: | aven | Version: | 1.2.30 |
| Keywords: | KML | Cc: |
Description (last modified by )
If I open the following example in aven and export underground survey legs as KML, the resulting KML files has negative altitude values.
Example:
*cs out UTM49N *cs UTM49N *fix gps 0453838 2786895 217.5557 gps 1 10 0 0
Output: ...
<LineString><altitudeMode>absolute</altitudeMode><coordinates> 110.54180955,25.19749535,-217.56 110.54180921,25.19758565,-217.56 </coordinates></LineString></MultiGeometry></Placemark>
..
Change History (5)
comment:1 Changed 8 years ago by
| Milestone: | → 1.2.30 |
|---|---|
| Version: | → 1.2.29 |
comment:2 Changed 8 years ago by
| Version: | 1.2.29 → 1.2.30 |
|---|
comment:3 Changed 7 years ago by
| Milestone: | 1.2.31 → 1.2.32 |
|---|
Ticket retargeted after milestone closed
comment:4 Changed 7 years ago by
| Description: | modified (diff) |
|---|
comment:5 Changed 7 years ago by
| Resolution: | → fixed |
|---|---|
| Status: | new → closed |
Fixed in [bfa604833d4d457f02e6f3986dbbf93ae9af0f80/git]. It's actually simply that the sign of Z in the exported coordinate system is flipped.
Looks like the bug was introduced in 1.2.27 by fixes for export of rotated plans and tilted elevations, so using an older version would be a workaround (though I'll probably do another release fairly soon with a few things I didn't get done in time for 1.2.31).
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Well, they are underground!
It looks like the sine tilt angle correction has the wrong sign (KML doesn't actually allow you to export the survey tilted, but the same routine is used to adjust the coordinates regardless of the export format), so this is probably globally wrong (at least for formats which care about Z).