SQL Server - how to get meter of STDistance() or STLength()?
How to get meter of STDistance()
or STLength()
?
I use
linestring(x y z, x y z, x y z, ...).STLength() //
point(x y).STDistance(point(x y))
but object has 0 of SRID...can I get meter length?
sql-server
add a comment |
How to get meter of STDistance()
or STLength()
?
I use
linestring(x y z, x y z, x y z, ...).STLength() //
point(x y).STDistance(point(x y))
but object has 0 of SRID...can I get meter length?
sql-server
1
Welcome! Which coordinate system are you using for x y z ?
– ajayel
Nov 27 '18 at 22:11
yes i use x y z
– 손의범
Nov 27 '18 at 22:34
which units are you using ?
– ajayel
Nov 28 '18 at 1:26
the metric system(cm, m, km...)
– 손의범
Nov 28 '18 at 2:28
Are you using thegeometry
orgeography
data type? For the former, it's up to you to know what units your coordinates are expressed in. For the latter, the SRID has a native unit of length (which you can look up insys.spatial_reference_systems
).
– Ben Thul
Nov 28 '18 at 17:11
add a comment |
How to get meter of STDistance()
or STLength()
?
I use
linestring(x y z, x y z, x y z, ...).STLength() //
point(x y).STDistance(point(x y))
but object has 0 of SRID...can I get meter length?
sql-server
How to get meter of STDistance()
or STLength()
?
I use
linestring(x y z, x y z, x y z, ...).STLength() //
point(x y).STDistance(point(x y))
but object has 0 of SRID...can I get meter length?
sql-server
sql-server
edited Nov 28 '18 at 5:59
marc_s
580k13011191267
580k13011191267
asked Nov 27 '18 at 21:59
손의범손의범
11
11
1
Welcome! Which coordinate system are you using for x y z ?
– ajayel
Nov 27 '18 at 22:11
yes i use x y z
– 손의범
Nov 27 '18 at 22:34
which units are you using ?
– ajayel
Nov 28 '18 at 1:26
the metric system(cm, m, km...)
– 손의범
Nov 28 '18 at 2:28
Are you using thegeometry
orgeography
data type? For the former, it's up to you to know what units your coordinates are expressed in. For the latter, the SRID has a native unit of length (which you can look up insys.spatial_reference_systems
).
– Ben Thul
Nov 28 '18 at 17:11
add a comment |
1
Welcome! Which coordinate system are you using for x y z ?
– ajayel
Nov 27 '18 at 22:11
yes i use x y z
– 손의범
Nov 27 '18 at 22:34
which units are you using ?
– ajayel
Nov 28 '18 at 1:26
the metric system(cm, m, km...)
– 손의범
Nov 28 '18 at 2:28
Are you using thegeometry
orgeography
data type? For the former, it's up to you to know what units your coordinates are expressed in. For the latter, the SRID has a native unit of length (which you can look up insys.spatial_reference_systems
).
– Ben Thul
Nov 28 '18 at 17:11
1
1
Welcome! Which coordinate system are you using for x y z ?
– ajayel
Nov 27 '18 at 22:11
Welcome! Which coordinate system are you using for x y z ?
– ajayel
Nov 27 '18 at 22:11
yes i use x y z
– 손의범
Nov 27 '18 at 22:34
yes i use x y z
– 손의범
Nov 27 '18 at 22:34
which units are you using ?
– ajayel
Nov 28 '18 at 1:26
which units are you using ?
– ajayel
Nov 28 '18 at 1:26
the metric system(cm, m, km...)
– 손의범
Nov 28 '18 at 2:28
the metric system(cm, m, km...)
– 손의범
Nov 28 '18 at 2:28
Are you using the
geometry
or geography
data type? For the former, it's up to you to know what units your coordinates are expressed in. For the latter, the SRID has a native unit of length (which you can look up in sys.spatial_reference_systems
).– Ben Thul
Nov 28 '18 at 17:11
Are you using the
geometry
or geography
data type? For the former, it's up to you to know what units your coordinates are expressed in. For the latter, the SRID has a native unit of length (which you can look up in sys.spatial_reference_systems
).– Ben Thul
Nov 28 '18 at 17:11
add a comment |
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1
Welcome! Which coordinate system are you using for x y z ?
– ajayel
Nov 27 '18 at 22:11
yes i use x y z
– 손의범
Nov 27 '18 at 22:34
which units are you using ?
– ajayel
Nov 28 '18 at 1:26
the metric system(cm, m, km...)
– 손의범
Nov 28 '18 at 2:28
Are you using the
geometry
orgeography
data type? For the former, it's up to you to know what units your coordinates are expressed in. For the latter, the SRID has a native unit of length (which you can look up insys.spatial_reference_systems
).– Ben Thul
Nov 28 '18 at 17:11