Volume calculation of CSV file
I have a CSV file with point cloud data of a terrain.
How do I use QGIS to calculate the volume of the terrain?
I tried using SAGA tool, natural neighbour, then use raster volume calculation.
However, I am pretty skeptical about the result.
I think the parameters in natural neighbour has not been set correctly. Can anyone advise me on this?
qgis csv point-cloud
asked Dec 31 '18 at 8:21
Brian
111
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I have a CSV file with point cloud data of a terrain.
How do I use QGIS to calculate the volume of the terrain?
I tried using SAGA tool, natural neighbour, then use raster volume calculation.
However, I am pretty skeptical about the result.
I think the parameters in natural neighbour has not been set correctly. Can anyone advise me on this?
qgis csv point-cloud
asked Dec 31 '18 at 8:21
Brian
111
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
May be this will help you: gis.stackexchange.com/a/150314/87346
– eurojam
Dec 31 '18 at 11:12
add a comment |
I have a CSV file with point cloud data of a terrain.
How do I use QGIS to calculate the volume of the terrain?
I tried using SAGA tool, natural neighbour, then use raster volume calculation.
However, I am pretty skeptical about the result.
I think the parameters in natural neighbour has not been set correctly. Can anyone advise me on this?
qgis csv point-cloud
asked Dec 31 '18 at 8:21
Brian
111
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
I have a CSV file with point cloud data of a terrain.
How do I use QGIS to calculate the volume of the terrain?
I tried using SAGA tool, natural neighbour, then use raster volume calculation.
However, I am pretty skeptical about the result.
I think the parameters in natural neighbour has not been set correctly. Can anyone advise me on this?
qgis csv point-cloud
qgis csv point-cloud
asked Dec 31 '18 at 8:21
Brian
111
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Dec 31 '18 at 8:21
Brian
111
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Dec 31 '18 at 8:21
Brian
111
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked Dec 31 '18 at 8:21
Brian
111
asked Dec 31 '18 at 8:21
Brian
111
111
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
Brian is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
May be this will help you: gis.stackexchange.com/a/150314/87346
– eurojam
Dec 31 '18 at 11:12
add a comment |
May be this will help you: gis.stackexchange.com/a/150314/87346
– eurojam
Dec 31 '18 at 11:12
May be this will help you: gis.stackexchange.com/a/150314/87346
– eurojam
Dec 31 '18 at 11:12
May be this will help you: gis.stackexchange.com/a/150314/87346
– eurojam
Dec 31 '18 at 11:12
add a comment |
1 Answer
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I think the parameters in natural neighbour has not been set correctly.
The parameters in the natural neighbor are not usually a problem, the default Method and Fit values give good results in most cases.
What is important is that you do not compute the volume outside the contour of the terrain.
Make sure to Clip Raster by Mask Layer before computing the volume.
Can anyone advise me on this?
Use the TIN Interpolation instead. Draw the break lines in a vector layer and add them to the procedure. Rarely does a land have no break lines.
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
add a comment |
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1 Answer
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active
oldest
votes
1 Answer
1
active
oldest
votes
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oldest
votes
active
oldest
votes
I think the parameters in natural neighbour has not been set correctly.
The parameters in the natural neighbor are not usually a problem, the default Method and Fit values give good results in most cases.
What is important is that you do not compute the volume outside the contour of the terrain.
Make sure to Clip Raster by Mask Layer before computing the volume.
Can anyone advise me on this?
Use the TIN Interpolation instead. Draw the break lines in a vector layer and add them to the procedure. Rarely does a land have no break lines.
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
add a comment |
I think the parameters in natural neighbour has not been set correctly.
The parameters in the natural neighbor are not usually a problem, the default Method and Fit values give good results in most cases.
What is important is that you do not compute the volume outside the contour of the terrain.
Make sure to Clip Raster by Mask Layer before computing the volume.
Can anyone advise me on this?
Use the TIN Interpolation instead. Draw the break lines in a vector layer and add them to the procedure. Rarely does a land have no break lines.
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
add a comment |
I think the parameters in natural neighbour has not been set correctly.
The parameters in the natural neighbor are not usually a problem, the default Method and Fit values give good results in most cases.
What is important is that you do not compute the volume outside the contour of the terrain.
Make sure to Clip Raster by Mask Layer before computing the volume.
Can anyone advise me on this?
Use the TIN Interpolation instead. Draw the break lines in a vector layer and add them to the procedure. Rarely does a land have no break lines.
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
I think the parameters in natural neighbour has not been set correctly.
The parameters in the natural neighbor are not usually a problem, the default Method and Fit values give good results in most cases.
What is important is that you do not compute the volume outside the contour of the terrain.
Make sure to Clip Raster by Mask Layer before computing the volume.
Can anyone advise me on this?
Use the TIN Interpolation instead. Draw the break lines in a vector layer and add them to the procedure. Rarely does a land have no break lines.
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
answered Dec 31 '18 at 12:29
Gabriel De Luca
66010
66010
add a comment |
add a comment |
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May be this will help you: gis.stackexchange.com/a/150314/87346
– eurojam
Dec 31 '18 at 11:12