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AP_Terrain: do not use location object if it is zero

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This can happen at boot-time if the vehicle has no idea where it is
This commit is contained in:
Peter Barker 2022-01-30 10:47:03 +11:00 committed by Andrew Tridgell
parent 5fe91f16af
commit bb42ab3eb3
1 changed files with 2 additions and 2 deletions
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4
libraries/AP_Terrain/TerrainGCS.cpp
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@ -243,10 +243,10 @@ void AP_Terrain::send_terrain_report(mavlink_channel_t chan, const Location &loc
uint16_t pending, loaded;
get_statistics(pending, loaded);
float current_height;
float current_height = 0.0f;
if (spacing == 0 && !(extrapolate && have_current_loc_height)) {
current_height = 0;
} else {
} else if (!current_loc.is_zero()) {
int32_t height_above_home_cm = 0;
UNUSED_RESULT(current_loc.get_alt_cm(Location::AltFrame::ABOVE_HOME, height_above_home_cm));
current_height = height_above_home_cm * 0.01f; // cm -> m