Deriving bearing in degrees minutes seconds format from field calculator
I'd like to know if there's a formula for calculating bearings of lines in degrees minutes seconds format. I already have been able to get the bearings in decimal degrees using:
CONCAT(format_number(degrees(azimuth(start_point($geometry), end_point($geometry))), 2), '°')
qgis
edited Nov 25 '18 at 17:29
Vince
14.4k32647
asked Nov 25 '18 at 17:05
Kobina
273
add a comment |
I'd like to know if there's a formula for calculating bearings of lines in degrees minutes seconds format. I already have been able to get the bearings in decimal degrees using:
CONCAT(format_number(degrees(azimuth(start_point($geometry), end_point($geometry))), 2), '°')
qgis
edited Nov 25 '18 at 17:29
Vince
14.4k32647
asked Nov 25 '18 at 17:05
Kobina
273
add a comment |
I'd like to know if there's a formula for calculating bearings of lines in degrees minutes seconds format. I already have been able to get the bearings in decimal degrees using:
CONCAT(format_number(degrees(azimuth(start_point($geometry), end_point($geometry))), 2), '°')
qgis
edited Nov 25 '18 at 17:29
Vince
14.4k32647
asked Nov 25 '18 at 17:05
Kobina
273
I'd like to know if there's a formula for calculating bearings of lines in degrees minutes seconds format. I already have been able to get the bearings in decimal degrees using:
CONCAT(format_number(degrees(azimuth(start_point($geometry), end_point($geometry))), 2), '°')
qgis
qgis
edited Nov 25 '18 at 17:29
Vince
14.4k32647
asked Nov 25 '18 at 17:05
Kobina
273
edited Nov 25 '18 at 17:29
Vince
14.4k32647
asked Nov 25 '18 at 17:05
Kobina
273
edited Nov 25 '18 at 17:29
Vince
14.4k32647
edited Nov 25 '18 at 17:29
Vince
14.4k32647
edited Nov 25 '18 at 17:29
Vince
14.4k32647
14.4k32647
asked Nov 25 '18 at 17:05
Kobina
273
asked Nov 25 '18 at 17:05
Kobina
273
asked Nov 25 '18 at 17:05
Kobina
273
273
add a comment |
add a comment |
1 Answer
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oldest
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If you want to use an intermediate field containing the bearings in decimal degrees, I suggest not adding the '°' sign, but create a field "DEGREES" of type 'real' and populate it like this:
degrees(azimuth(start_point($geometry), end_point($geometry)))
Then, by using this field calculator expression in a new text field, you can format your angle in degrees, minutes, seconds:
concat(floor("DEGREES"), '° ', floor("DEGREES"*60 % 60), ''' ', "DEGREES"*3600 % 60, '''')
Or you could also do it with a single expression from the geometry directly:
concat(floor(degrees(azimuth(start_point($geometry), end_point($geometry)))), '° ',
floor(degrees(azimuth(start_point($geometry), end_point($geometry)))*60 % 60), ''' ',
degrees(azimuth(start_point($geometry), end_point($geometry)))*3600 % 60, '''')
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
If you want to use an intermediate field containing the bearings in decimal degrees, I suggest not adding the '°' sign, but create a field "DEGREES" of type 'real' and populate it like this:
degrees(azimuth(start_point($geometry), end_point($geometry)))
Then, by using this field calculator expression in a new text field, you can format your angle in degrees, minutes, seconds:
concat(floor("DEGREES"), '° ', floor("DEGREES"*60 % 60), ''' ', "DEGREES"*3600 % 60, '''')
Or you could also do it with a single expression from the geometry directly:
concat(floor(degrees(azimuth(start_point($geometry), end_point($geometry)))), '° ',
floor(degrees(azimuth(start_point($geometry), end_point($geometry)))*60 % 60), ''' ',
degrees(azimuth(start_point($geometry), end_point($geometry)))*3600 % 60, '''')
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
add a comment |
If you want to use an intermediate field containing the bearings in decimal degrees, I suggest not adding the '°' sign, but create a field "DEGREES" of type 'real' and populate it like this:
degrees(azimuth(start_point($geometry), end_point($geometry)))
Then, by using this field calculator expression in a new text field, you can format your angle in degrees, minutes, seconds:
concat(floor("DEGREES"), '° ', floor("DEGREES"*60 % 60), ''' ', "DEGREES"*3600 % 60, '''')
Or you could also do it with a single expression from the geometry directly:
concat(floor(degrees(azimuth(start_point($geometry), end_point($geometry)))), '° ',
floor(degrees(azimuth(start_point($geometry), end_point($geometry)))*60 % 60), ''' ',
degrees(azimuth(start_point($geometry), end_point($geometry)))*3600 % 60, '''')
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
add a comment |
If you want to use an intermediate field containing the bearings in decimal degrees, I suggest not adding the '°' sign, but create a field "DEGREES" of type 'real' and populate it like this:
degrees(azimuth(start_point($geometry), end_point($geometry)))
Then, by using this field calculator expression in a new text field, you can format your angle in degrees, minutes, seconds:
concat(floor("DEGREES"), '° ', floor("DEGREES"*60 % 60), ''' ', "DEGREES"*3600 % 60, '''')
Or you could also do it with a single expression from the geometry directly:
concat(floor(degrees(azimuth(start_point($geometry), end_point($geometry)))), '° ',
floor(degrees(azimuth(start_point($geometry), end_point($geometry)))*60 % 60), ''' ',
degrees(azimuth(start_point($geometry), end_point($geometry)))*3600 % 60, '''')
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
If you want to use an intermediate field containing the bearings in decimal degrees, I suggest not adding the '°' sign, but create a field "DEGREES" of type 'real' and populate it like this:
degrees(azimuth(start_point($geometry), end_point($geometry)))
Then, by using this field calculator expression in a new text field, you can format your angle in degrees, minutes, seconds:
concat(floor("DEGREES"), '° ', floor("DEGREES"*60 % 60), ''' ', "DEGREES"*3600 % 60, '''')
Or you could also do it with a single expression from the geometry directly:
concat(floor(degrees(azimuth(start_point($geometry), end_point($geometry)))), '° ',
floor(degrees(azimuth(start_point($geometry), end_point($geometry)))*60 % 60), ''' ',
degrees(azimuth(start_point($geometry), end_point($geometry)))*3600 % 60, '''')
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
answered Nov 25 '18 at 18:31
FSimardGIS
1,06828
1,06828
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
add a comment |
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
Thank you @FSimardGIS, I've successfully derived the bearing in dms in the field calculator with your expression. Worked like magic
– Kobina
Nov 26 '18 at 6:10
add a comment |
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