Questions tagged [volume]

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

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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) ...
2 votes
0 answers
71 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 ...
1 vote
1 answer
111 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 ...
0 votes
0 answers
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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 " ...
1 vote
0 answers
39 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 ...
1 vote
2 answers
77 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 ...
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 ...
0 votes
0 answers
189 views

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 ...
2 votes
2 answers
135 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 ...
1 vote
0 answers
32 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 ...
12 votes
0 answers
793 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 ...
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0 answers
40 views

Calculate volume of pit with geotools

I have DEM data in .geotif file. I want to calculate volume of pits. In geotools library implemented geotiffreader on 28 version. Can I calculate?
2 votes
1 answer
686 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 ...
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 ...
0 votes
0 answers
94 views

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....
1 vote
0 answers
487 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 ...
-2 votes
1 answer
260 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,...
1 vote
0 answers
21 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 ...
1 vote
0 answers
236 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 ...
0 votes
1 answer
74 views

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 ...
1 vote
0 answers
102 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. ...
2 votes
0 answers
190 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 ...
0 votes
2 answers
88 views

Clipping TIN layers to pit shells

I have two TIN surfaces, one being a pit shell and a second being a horizontal layer which intersects the shell on all sides. I need to find out the volume between the intersection horizontal layer ...
1 vote
1 answer
187 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('...
2 votes
0 answers
102 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 ...
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 ...
1 vote
3 answers
11k views

Calculating volume with Cut Fill tool in ArcGIS Desktop?

This might be a very simple question - but it is quite vital and I want to make sure I am thinking this through right. I have used the cut/fill tool to calculate the difference in volume of a volcano ...
1 vote
1 answer
266 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 ...
0 votes
1 answer
344 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 ...
1 vote
0 answers
514 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. (...
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 ...
5 votes
1 answer
558 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 ...
1 vote
1 answer
73 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 ...
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 ...
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 ...
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 ...
1 vote
1 answer
1k views

Calculate volume from raster (GRASS) with depth per cell

I'm trying to calculate the volumes of depression areas filled with water. I have the depth for each cell in the raster, and I'm trying to get the total volume of cells adjacent to each other. Which I ...
2 votes
0 answers
140 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 (...
1 vote
1 answer
388 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 ...
1 vote
1 answer
693 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 ...
5 votes
1 answer
3k views

Interpolating vertically in ArcGIS 3D Analyst?

I am working on mapping pollutant concentrations in a pond from point-sampled data. There are 50 sampling locations in the pond (randomly dispersed), and at each location there are three sampling ...
1 vote
0 answers
62 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/...
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 ...
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 ...
0 votes
0 answers
48 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 ...
0 votes
1 answer
120 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 ...
1 vote
1 answer
169 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?
0 votes
2 answers
131 views

Volume Calculation for non-closed geometries in postgis

I have a problem regarding the volume-calculation in a specific 3D Dataset. The data consists of 3D multipatches that represent buildings. One building consists of one or more non- closed multi-...
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 ...
4 votes
1 answer
513 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 ...