https://bugs.kde.org/show_bug.cgi?id=365009
Bug ID: 365009
Summary: Crash with AzimuthalEquidistantProjection and
calculation of x,y for labels
Product: marble
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: general
Assignee: marble-b...@kde.org
Reporter: kosse...@kde.org
Marble crashed. You suck!
Reproducible: Always
Steps to Reproduce:
1. Open Marble, use OSM map theme, mercator view
2. Enter "11° 17' 23,0"E, 51° 59' 12,6"N" in Search field and press Enter
3. Keep search result and it's label in the view
4. Select "Azimuthal Equidistant"
Actual Results:
Boom.
Expected Results:
No boom.
The crash results from x & y being NaNs. They are because there is a division
by 0 in
bool AzimuthalEquidistantProjection::screenCoordinates( const
GeoDataCoordinates &coordinates,
const ViewportParams *viewport,
qreal &x, qreal &y, bool
&globeHidesPoint ) const
For some reason cosC becomes 1, so c becomes 0 , so k gets NaN (due to divide
by 0), thus x & y get NaN.
No clue about the calculations happening there, so no idea what the fix would
be.
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