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Merge pull request #911 from syn-ack-ai/fix/position-precision-overwrite

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Fix position overwrite by lower-precision data
This commit is contained in:
Ian McEwen
2026-05-31 12:21:14 -07:00
committed by GitHub
parent 781764553e 8a842ed82b
commit 13c9f34589
1 changed files with 24 additions and 2 deletions
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26
meshtastic/__init__.py
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@@ -179,8 +179,30 @@ def _onPositionReceive(iface, asDict):
logger.debug(f"p:{p}")
p = iface._fixupPosition(p)
logger.debug(f"after fixup p:{p}")
# update node DB as needed
iface._getOrCreateByNum(asDict["from"])["position"] = p
# For the local node, only accept position updates with equal
# or better precision. The local GPS is authoritative, and
# low-precision echoes from the mesh (e.g., map reports relayed
# by other nodes) should not overwrite it.
# For remote nodes, always accept the latest position since
# any update from them reflects their current state.
node = iface._getOrCreateByNum(asDict["from"])
is_local_node = (
iface.myInfo is not None
and asDict["from"] == iface.myInfo.my_node_num
)
if is_local_node:
existing = node.get("position", {})
existing_precision = existing.get("precisionBits", 0) or 0
new_precision = p.get("precisionBits", 0) or 0
if existing_precision == 0 or new_precision >= existing_precision:
node["position"] = p
else:
logger.debug(
f"Ignoring low-precision position echo for local node "
f"({new_precision} < {existing_precision})"
)
else:
node["position"] = p
def _onNodeInfoReceive(iface, asDict):