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Questions tagged [volume]

Volume is the quantity of three-dimensional space enclosed by some closed boundary

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Raster calculator substraction does provides wrong values TIN interpolated raster (QGIS)

new here. The objective is to calculate the volume of contours I made, I've tried with very simple geometries with no luck (half a sphere in this case). I contours I made were TIN interpolated with ...
LauraTechrem's user avatar
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1 answer
39 views

GSD or pixel size for volume

When I want to calculate the volume of a building polygon (in my case), do I use the GSD that I received in a WebODM report or the pixel size of the elevation raster? What is the difference between ...
CuriousLurker321's user avatar
2 votes
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92 views

Calculating dredged material volume with sloped trapezoidal geometry using bathymetric data in QGIS

I have bathymetric data (as a point layer) for an area slated for dredging, where the target depth is -4m relative to Chart Datum. I have a polygon outlining the dredged area. The post-dredging ...
icru's user avatar
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Surface Volume 3D Analyst Tool - ArcGIS Pro 3.1.2

I'm trying to calculate the volume above the plane of a bathymetric data using the 3D Analyst Tool (surface volume). I keep getting the error "ERROR 000196: error in accessing Extract_PHS1 " ...
Veronica's user avatar
1 vote
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48 views

Different volume results in QGIS by using Raster Surface Volume and raster statistics

I have seen many questions similar to mine, but did not find an answer to my problem. I am using QGIS version 3.28.11-Firenze. I have a raster representing the difference between two DEMs on a fluvial ...
Sara's user avatar
  • 11
1 vote
1 answer
160 views

Calculating volume of fill needed using QGIS

I have a project where I have to estimate fill volumes required to fill in small valleys. I have point data with elevations from GPS measurements from which I've created DEMS for each valley. I've ...
KirstC25's user avatar
1 vote
2 answers
82 views

Using ArcGIS Pro to calculate required height of debris dam structure in stream when expected volume to retain is known

I have the locations of potential debris dam structures to be placed in a stream and know the contributing watershed area and the estimated debris volume (in m3) that would flow down that watershed ...
scoite's user avatar
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Calculating volumes

I am using QGIS 3.22.1 for this task. I have points with X, Y, Z of river bed. I have two sets, first is top of the mud and second is bottom of the mud-gravel layer. My goal is to calculate difference ...
Nightfather's user avatar
1 vote
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40 views

Volume calculations using raster surface volume are too high

I am looking to calculate the amount of water stored on a wetland behind a sluice. I have used clipped 1m DEM data to calculate the volumes using the raster surface volume tool (calculating volume ...
lauralizzy's user avatar
2 votes
1 answer
885 views

Using QGIS volume calculation tool

I'm not getting standard results from the volume tool. Where am I going wrong? I'm attempting to calculate the volume of a dam. I've used DEM data to create a contour level and I've selected the level ...
PeterMac's user avatar
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Discrepancy in output volume calculation for same rasters in QGIS and Rasterio

I have been comparing my volume calculation results on the same rasters with QGIS Raster Surface Volume tool and the following python script: import rasterio import numpy as np filename = 'D:/raster....
dabba293's user avatar
1 vote
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524 views

Rasterio error RuntimeWarning: overflow encountered in reduce return

I have extracted a mask from a raster in order to test out multiple volume calculations between QGIS and Python I'm using rasterio to read in the tiff image and calculate its volume: import rasterio ...
fuzzy_raster9873's user avatar
-2 votes
1 answer
277 views

Seeking Python module to find volume of xyz data [closed]

I have an xyz file in the following format: 720567.698,733950.021,-4.20 720567.698,733949.021,-4.04 720567.698,733948.021,-3.86 720567.698,733947.021,-3.68 720567.698,733946.021,-3.45 720567.698,...
fuzzy_raster9873's user avatar
1 vote
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23 views

Calculating volume of IDW raster below Height of Plane, but it is failing

I am using ArcMap. I am trying to calculate the volume of water using IDW Tool. When I reach a point to calculate, the statistics below height of plane cannot run, giving me 0.00, What could be the ...
Manoah Muchanga's user avatar
1 vote
0 answers
257 views

QGIS - calculate volume from DSM

I've been following a tutorial (https://www.pointsnorthgis.ca/blog/how-to-calculate-surfacecut-volume-qgis-advanced/) in order to try to find volumes for various stockpiles that I took imagery of with ...
user25730's user avatar
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1 answer
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Qgis: Saga Raster volume delivers empty result

I calculated a flood analysis in GRASS GIS and imported a layer into QGIS for creating a map. To check if I chose the correct layer for the export I want to double check the volume of the raster in ...
Robert's user avatar
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2 votes
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200 views

Calculate excavation volume

I have a dem (0.5 x 0.5 m) and a green polygon (vector) representing a 35° inclined plane. I would like to calculate the volume of terrain between the dem and the inclined plane. So far I have only ...
Leonardo's user avatar
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2 votes
0 answers
116 views

Volume of excavated pond

I am trying to obtain Cut/Fill Volumes of a large on-site pond using the new Volume Calculation Tool in QGIS. My files are: DTM (DSM) in TIFF format Contours in DXF and SHP format I have no problem ...
Josh's user avatar
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2 votes
0 answers
55 views

Volume calculation of different termite mouts

So i know how to calculate the volume of 1 indiviual mountain, but my problem is that i have a data set (LiDAR) with a lot of those. I was thinking if there was a more effecient way to calculate the ...
Mr. BG's user avatar
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1 answer
361 views

QGIS 3.16 different results in volume calculation

I am trying to find ways to calculate a volume with : 1 base DEM resolution 1m 1 elevation DEM resolution 1m First method: Using the extension volume calculation tool as follows. The result seems ...
Leehan's user avatar
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2 votes
2 answers
142 views

Building a table from for loop values in QGIS

I am calculating the volume of a few lakes at 1 cm intervals. In QGIS I am using the raster surface volume tool and I am trying to iterate the process in a for loop so that I don't have to manually ...
RJAM's user avatar
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1 vote
0 answers
544 views

Calculate raster volumes within polygons - GDAL & Python [closed]

I have a shapefile with 625 polygons. I have a .tif raster DEM file at a 1m resolution. Objective: get 625 values that describe the volume of the raster (above 0m elevation) within each polygon. (...
Myk Murashko's user avatar
1 vote
0 answers
75 views

Calculating volume of areas from CHM [duplicate]

I classified laying logs (tree trunks) from CHM (Canopy Height Model = Digital Surface Model (DSM) - Digital Terrain Model (DTM)) created from LiDAR point cloud. I converted classified logs into ...
Sher's user avatar
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3 votes
2 answers
3k views

Elevation and Volume relationship curve in QGIS

Is there any tool in QGIS3 or any open source tool which does a Volume against Elevation curve when you provide a polygon? For clarity enter link description here has a good way to calculate the ...
Garth Cooper's user avatar
5 votes
1 answer
585 views

Calculate volume of MultiPolygon Z using Postgis

I am trying to calculate the volume of a multipolygon z using Postgis. SELECT ST_Volume(geom) from grb; And I get this error: MultiPolygon is invalid : Polygon 0 is invalid: points don't lie in ...
LanderM's user avatar
  • 73
1 vote
0 answers
69 views

Calculating sink volume in R via rgrass7

I want to calculate the volume of sinks in a DEM raster in R, since I have to automatize the workflow later. Following the results of my previous question (Creating depressionless DEMs with rgrass7) I ...
Florian Mlehliv's user avatar
1 vote
1 answer
74 views

Converting road segments into one full link and taking mean of traffic volume

I have road segments and want to convert them into one link (intersection to intersection). Image 1 shows the segments. The biggest issue is that each link has traffic volume and when converted to ...
Parag Gupta's user avatar
1 vote
1 answer
276 views

Calculating volume of several TINs in ArcGIS Desktop

I am trying to calculate the volume of several TINs using the 3D Analyst of ArcGIS 10.5. My data can be found here: https://drive.google.com/open?id=1ERFdsqDGLH1a_FbxwawE_gPm0Au0Q9vT For a start, I ...
Florian Mlehliv's user avatar
1 vote
0 answers
106 views

ArcGIS Polygon Volume - Variable height field

I'm using ArcMap 10.6 I have a TIN of a landscape which has a series of mounds on it. I have isolated polygons for each mound, which are not flat but variable in height as they go around each mound. ...
JoshDragon's user avatar
2 votes
0 answers
145 views

Extracting object volume in eCognition?

I am a beginner in eCognition and am working on trying to extract volume for certain classified objects. When I extract volume with the ruleset given in the program it is the same value as the area (...
Rena1231's user avatar
1 vote
1 answer
1k views

Processing area and calculating volume of polygon with know elevation from DEM in QGIS

I got a DEM of a watershed and I need to create a dam at a fixed elevation (with a rectangular polygon corresponding at the top of the dam) and calculate it's area (including the slope (fixed value) ...
Exanos's user avatar
  • 49
12 votes
1 answer
831 views

Calculate volume of space defined by multiple overlapping 3D polygons

I have thousands of 3D polygons scattered in space but they mostly overlap with many of their neighbors in big extent. Is there any way how to compute volume they define effectively? I would love to ...
vildead's user avatar
  • 231
1 vote
1 answer
396 views

Raster Volume Returning Wrong Volume

I have a clipped surface using Washington State Plane North (feet) added to a QGIS project using the same CRS. I am trying to calculate the area under this surface (a dirt pile) using SAGA Raster ...
GBG's user avatar
  • 10k
1 vote
1 answer
718 views

Calculating volume between polygon and raster?

I want to calculate the volume between a route alignment and a raster. I have the centerline of the route. The centerline is between point A and B as it is presented in the figure below. Point A and B ...
Ebola's user avatar
  • 73
1 vote
0 answers
65 views

Computing volume of pits with a variable surface edge in a DEM? Multiple TINS per surface? [closed]

I have a DEM of the seafloor. The grid is highly variable, with scour pits throughout the lower right quadrant. I want to compute volume for these pits. It seems all the standard tools such as Cut/...
Monica's user avatar
  • 11
0 votes
0 answers
49 views

Attribute Table fields NULL for volume calculation - confused

I just tried a volume calculation with QGIS on a DSM. After using the zone statistics function the attributes (mean, max, min) for the corresponding polygon are all NULL. Anyone knows why that doesn´t ...
Rider on the storm's user avatar
1 vote
1 answer
191 views

sfcgal ST_Volume Issue

ST_Volume works with shape data pasted into the query in this form: SELECT (abs(ST_Volume(design)) - abs(ST_Volume(ST_3DIntersection(design,scan)))) FROM (SELECT (ST_MakeSolid('...
craigL's user avatar
  • 121
0 votes
1 answer
123 views

Comparing DEM volume using GRASS

I have two DEMs of an open-pit mine taken a few weeks apart. I would like to estimate the volume that has been excavated during that interval, ie the difference of volume between the two DEMs. Can I ...
Marion Brunet's user avatar
2 votes
1 answer
2k views

3D Points within 3D Polygon in PostGIS

I've been working with PostGIS for a while now, and I'm able to run queries over massive datasets reasonably easy and fast. However, I do have an issue now that I don't know how to solve. I did find ...
Pullo86's user avatar
  • 21
5 votes
2 answers
2k views

Volume of a raster

I have two rasters from which I want to calculate the volume difference between the two. I made a 3rd raster that shows the difference between the first two rasters. So I think calculating the volume ...
user115595's user avatar
1 vote
1 answer
178 views

How precise is a volumetric calculation made with satellite stereo par imagery?

If I had an stereo par from Worldview-2 or GeoEye-1, how precise would be the calculation of mine's materials in cm3?
Thriskel's user avatar
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1 vote
0 answers
54 views

Methods to differentiate between terrain

I am not specialized in GIS. I have some moisture contour maps, I want to compare each pair to trace the changes between either in a numeric way. I tried to get the mathematical difference between ...
Mohammad ElNesr's user avatar
3 votes
1 answer
4k views

Calculating Volume differences between two DTM from different years with QGIS?

I need to calculate the volume of the differences between two DTM from different years with QGIS. I am trying to figure out how to do it, but I do not see anything clear about that. Could anyone ...
vacp73's user avatar
  • 51
7 votes
2 answers
8k views

How to measure volume in raster?

There are many similar questions like this. But I haven't found a usefull answer yet. So I hope some of you have a suggestion to this. I've done some flyovers with the drone at a contruction area, ...
Magnus Roald Jørgensen's user avatar
4 votes
1 answer
516 views

Change Detection in ArcGIS Desktop?

I have two .las files derived from UAV photogrammetry. From there, in global mapper, I created a shapefile for each survey (one week apart), cropped to a shapefile. Brought those two shapefiles into ...
jwag792's user avatar
  • 41
4 votes
2 answers
1k views

How to restore a scarp surface grid to calculate material loss

I would like to calculate the volume of material lost from a scarp like the one shown in the following image: Is there a way to do these calculations with open-source software such as GMT, QGIS and ...
Gery's user avatar
  • 2,135
1 vote
0 answers
382 views

Make 3d model from picture and calculate volume

I have a picture (fictional) of a mountain. What I want and am not able to do without help, is to make the coordinates and height to the right scale. I have a line that represents 10 km on the ...
E. de V.'s user avatar
5 votes
1 answer
5k views

Cut Fill Tool in QGIS?

Looking for the equivalent of the Cut Fill Tool in QGIS. I have multiple DSM rasters from a drone that I would like to do a volume analysis on. A cut-and-fill operation is a procedure in which the ...
Reisenrich's user avatar
0 votes
3 answers
1k views

In DEM data there the elevation ranges from - 156 to 3877. What does this mean?

The elevation of that (project) particular landform cannot be negative (I think). Does this mean the DEM data is wrong?
Rajendra Kunwar's user avatar
3 votes
2 answers
1k views

calculating a volume from points [closed]

I am trying to calculate the amount of water in this reservoir. The green dots are water depths in meters (possitive value). The water depth at the edges of the reservoir is 0. How can this be done ...
pix4bob's user avatar
  • 31