How to know or convert AREA, PERIMETER units in QGIS Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern) Announcing the arrival of Valued Associate #679: Cesar Manara Unicorn Meta Zoo #1: Why another podcast?Area units for GEOS area property?Understanding QGIS buffer tool units?How to read the area column in QGIS?How to grow several concave hulls until they completely fill a larger area without overlap?QGIS Units and ScaleHow to calculate the area of a polygon in a WGS84 Shapefile in QGIS?How to Get QGIS to calculate Area in Layer's Units?Convex hull area: what are the output units?QGIS GPX to Area and PerimeterUnits for Area on QGIS - need to convert to square meters
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How to know or convert AREA, PERIMETER units in QGIS
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)
Announcing the arrival of Valued Associate #679: Cesar Manara
Unicorn Meta Zoo #1: Why another podcast?Area units for GEOS area property?Understanding QGIS buffer tool units?How to read the area column in QGIS?How to grow several concave hulls until they completely fill a larger area without overlap?QGIS Units and ScaleHow to calculate the area of a polygon in a WGS84 Shapefile in QGIS?How to Get QGIS to calculate Area in Layer's Units?Convex hull area: what are the output units?QGIS GPX to Area and PerimeterUnits for Area on QGIS - need to convert to square meters
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I use Convexhull tool in QGIS and there are result value :
AREA = 0.0017494390 PERIMETER = 0.1725495172
I thought the result was strange. So, I took a rough estimate of the points through the services provided by other websites and picked out the results.
Other site result :
Area = 17220976.88 m^2 PERIMETER = 17030.657 m
Area value is a difference of 10^10
Perimeter value is a difference of 10^5..
I use "EPSG:4166 - korean 1995" CRS and I also change project properties for units of distance, area. but, there are not any change.
So, I want to know what convex hull units are in QGIS and how to set other setting for ideal value.
qgis area units convex-hull
edited 21 mins ago
Vince
14.8k32850
asked 1 hour ago
조광호조광호
61
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조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I use Convexhull tool in QGIS and there are result value :
AREA = 0.0017494390 PERIMETER = 0.1725495172
I thought the result was strange. So, I took a rough estimate of the points through the services provided by other websites and picked out the results.
Other site result :
Area = 17220976.88 m^2 PERIMETER = 17030.657 m
Area value is a difference of 10^10
Perimeter value is a difference of 10^5..
I use "EPSG:4166 - korean 1995" CRS and I also change project properties for units of distance, area. but, there are not any change.
So, I want to know what convex hull units are in QGIS and how to set other setting for ideal value.
qgis area units convex-hull
edited 21 mins ago
Vince
14.8k32850
asked 1 hour ago
조광호조광호
61
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
I use Convexhull tool in QGIS and there are result value :
AREA = 0.0017494390 PERIMETER = 0.1725495172
I thought the result was strange. So, I took a rough estimate of the points through the services provided by other websites and picked out the results.
Other site result :
Area = 17220976.88 m^2 PERIMETER = 17030.657 m
Area value is a difference of 10^10
Perimeter value is a difference of 10^5..
I use "EPSG:4166 - korean 1995" CRS and I also change project properties for units of distance, area. but, there are not any change.
So, I want to know what convex hull units are in QGIS and how to set other setting for ideal value.
qgis area units convex-hull
edited 21 mins ago
Vince
14.8k32850
asked 1 hour ago
조광호조광호
61
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I use Convexhull tool in QGIS and there are result value :
AREA = 0.0017494390 PERIMETER = 0.1725495172
I thought the result was strange. So, I took a rough estimate of the points through the services provided by other websites and picked out the results.
Other site result :
Area = 17220976.88 m^2 PERIMETER = 17030.657 m
Area value is a difference of 10^10
Perimeter value is a difference of 10^5..
I use "EPSG:4166 - korean 1995" CRS and I also change project properties for units of distance, area. but, there are not any change.
So, I want to know what convex hull units are in QGIS and how to set other setting for ideal value.
qgis area units convex-hull
qgis area units convex-hull
edited 21 mins ago
Vince
14.8k32850
asked 1 hour ago
조광호조광호
61
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 21 mins ago
Vince
14.8k32850
asked 1 hour ago
조광호조광호
61
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 21 mins ago
Vince
14.8k32850
edited 21 mins ago
Vince
14.8k32850
edited 21 mins ago
Vince
14.8k32850
14.8k32850
asked 1 hour ago
조광호조광호
61
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 1 hour ago
조광호조광호
61
asked 1 hour ago
조광호조광호
61
61
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조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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1 Answer
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votes
The unit of EPSG:4166 - korean 1995 CRS is decimal degree. You need to change the projection of your data to a CRS that uses meter unit. For example, you can use WGS 84 / UTM Zone ## projection with the correct zone number ## in which your data is located in.
The workflow is like this:
- Change the projection of your data to a
WGS 84 / UTM Zone ##with correct Zone number - Use the output data from the first step to add new fields for area and perimeter, and calculate both area and perimeter.
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
add a comment |
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1 Answer
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oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
The unit of EPSG:4166 - korean 1995 CRS is decimal degree. You need to change the projection of your data to a CRS that uses meter unit. For example, you can use WGS 84 / UTM Zone ## projection with the correct zone number ## in which your data is located in.
The workflow is like this:
- Change the projection of your data to a
WGS 84 / UTM Zone ##with correct Zone number - Use the output data from the first step to add new fields for area and perimeter, and calculate both area and perimeter.
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
add a comment |
The unit of EPSG:4166 - korean 1995 CRS is decimal degree. You need to change the projection of your data to a CRS that uses meter unit. For example, you can use WGS 84 / UTM Zone ## projection with the correct zone number ## in which your data is located in.
The workflow is like this:
- Change the projection of your data to a
WGS 84 / UTM Zone ##with correct Zone number - Use the output data from the first step to add new fields for area and perimeter, and calculate both area and perimeter.
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
add a comment |
The unit of EPSG:4166 - korean 1995 CRS is decimal degree. You need to change the projection of your data to a CRS that uses meter unit. For example, you can use WGS 84 / UTM Zone ## projection with the correct zone number ## in which your data is located in.
The workflow is like this:
- Change the projection of your data to a
WGS 84 / UTM Zone ##with correct Zone number - Use the output data from the first step to add new fields for area and perimeter, and calculate both area and perimeter.
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
The unit of EPSG:4166 - korean 1995 CRS is decimal degree. You need to change the projection of your data to a CRS that uses meter unit. For example, you can use WGS 84 / UTM Zone ## projection with the correct zone number ## in which your data is located in.
The workflow is like this:
- Change the projection of your data to a
WGS 84 / UTM Zone ##with correct Zone number - Use the output data from the first step to add new fields for area and perimeter, and calculate both area and perimeter.
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
answered 1 hour ago
ahmadhanbahmadhanb
24k32155
24k32155
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
add a comment |
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
23 mins ago
add a comment |
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