Knowing/converting AREA, PERIMETER units in QGIS?Area units for GEOS area property?Understanding QGIS buffer tool units?How to read the area column in QGIS?The scale in Qgis is not setting to feetConverting geographic units with ArcPyQGIS 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 Perimeter
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Knowing/converting AREA, PERIMETER units in QGIS?
Area units for GEOS area property?Understanding QGIS buffer tool units?How to read the area column in QGIS?The scale in Qgis is not setting to feetConverting geographic units with ArcPyQGIS 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 Perimeter
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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 2 days ago
Vince
14.9k32950
asked Apr 23 at 3:58
조광호조광호
111
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 2 days ago
Vince
14.9k32950
asked Apr 23 at 3:58
조광호조광호
111
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 2 days ago
Vince
14.9k32950
asked Apr 23 at 3:58
조광호조광호
111
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 2 days ago
Vince
14.9k32950
asked Apr 23 at 3:58
조광호조광호
111
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 2 days ago
Vince
14.9k32950
asked Apr 23 at 3:58
조광호조광호
111
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 2 days ago
Vince
14.9k32950
edited 2 days ago
Vince
14.9k32950
edited 2 days ago
Vince
14.9k32950
14.9k32950
asked Apr 23 at 3:58
조광호조광호
111
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 Apr 23 at 3:58
조광호조광호
111
asked Apr 23 at 3:58
조광호조광호
111
111
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.
New contributor
조광호 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment |
add a comment |
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.
edited 2 days ago
Vince
14.9k32950
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
add a comment |
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1 Answer
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1 Answer
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active
oldest
votes
active
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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.
edited 2 days ago
Vince
14.9k32950
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
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.
edited 2 days ago
Vince
14.9k32950
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
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.
edited 2 days ago
Vince
14.9k32950
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
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.
edited 2 days ago
Vince
14.9k32950
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
edited 2 days ago
Vince
14.9k32950
edited 2 days ago
Vince
14.9k32950
edited 2 days ago
Vince
14.9k32950
14.9k32950
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
answered Apr 23 at 4:23
ahmadhanbahmadhanb
24k32156
24k32156
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
add a comment |
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
I'd suggest EPSG:5179 (Korea 2000 / Unified CS)
– Mike T
Apr 23 at 5:18
add a comment |
조광호 is a new contributor. Be nice, and check out our Code of Conduct.
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