AFG/dump1090
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Add --max-range parameter. Use it for relative position limits, and to discard bad position results.

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(cherry picked from commit 0d725508f78cb2fd7759efbb66b45b867d6f7722)
This commit is contained in:
Oliver Jowett 2015-01-13 20:03:34 +00:00
parent 8b56cd104f
commit fefce7b4bd
8 changed files with 95 additions and 8 deletions

4
dump1090.c
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@ -87,6 +87,7 @@ void modesInitConfig(void) {
Modes.fUserLon = MODES_USER_LONGITUDE_DFLT;
Modes.json_interval = 1;
Modes.json_location_accuracy = 1;
Modes.maxRange = 1852 * 300; // 300NM default max range
}
//
//=========================================================================
@ -460,6 +461,7 @@ void showHelp(void) {
"--net-buffer <n> TCP buffer size 64Kb * (2^n) (default: n=0, 64Kb)\n"
"--lat <latitude> Reference/receiver latitude for surface posn (opt)\n"
"--lon <longitude> Reference/receiver longitude for surface posn (opt)\n"
"--max-range <distance> Absolute maximum range for position decoding (in nm, default: 300)\n"
"--fix Enable single-bits error correction using CRC\n"
"--no-fix Disable single-bits error correction using CRC\n"
"--no-crc-check Disable messages with broken CRC (discouraged)\n"
@ -822,6 +824,8 @@ int main(int argc, char **argv) {
Modes.fUserLat = atof(argv[++j]);
} else if (!strcmp(argv[j],"--lon") && more) {
Modes.fUserLon = atof(argv[++j]);
} else if (!strcmp(argv[j],"--max-range") && more) {
Modes.maxRange = atof(argv[++j]) * 1852.0; // convert to metres
} else if (!strcmp(argv[j],"--debug") && more) {
char *f = argv[++j];
while(*f) {