# Questions tagged [volume]

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

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### 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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### Why does a z factor of 1 get turned into 0.999998 in my output

Just built a model that uses 3D Analyst - Surface Volume. I am trying to use a z factor of 1. Whenever I run the model my output table shows that a Z factor of 0.999998 was used instead of 1. I ...
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### 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, ...
6k views

### Volume of water in basin with reference to incremental height of DAM?

I have a DEM of my area. I did watershed analysis with Arc Hydro. I want to calculate "Volume of water in a basin with reference to incremental height of DAM" Is there any method, tool to give ...
• 69
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### Estimation of volume from DTM

I'm using QGIS for quite a while now but I'm having some problems in measuring the volume of a depression zoned North of a waste dump I'm studying. For the analysis I'm using a recent 1mx1m DTM of ...
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### Cutting out depth information in raster. Calculating volume in Qgis

I am trying to calculate habitat volume for around 30 fish stocks in Qgis. I have habitat areas (shape files) and Bathymetric information (.tif file). I believe I can calculate the entire volume of ...
• 331
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### Calculating the volume between two interpolation layers in QGIS?

Given data From a shapefile with ca. 80 points (displaying borewells) I extracted two interpolations: interpolation values of the different borewells’s elevations; interpolation values for the ...
• 61
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### Can I identify if a point is inside a volume in PostGIS?

We are currently investigating PostGIS as an option to look up three-dimensional blocks which contain a point (and later also lines). At this point in time I cannot see any functionality that operates ...
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### 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 ...
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 ...
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### 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 ...
571 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 ...
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### 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 ...
• 2,135
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### 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 ...
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### Edges of Surface Difference tool output are invalid

See this image, an example output of the ArcGIS Surface Difference tool (gives cut/fill volumes): I have occasionally come across the illustrated problem where the output does not cover the full ...
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### 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 ...
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### 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 ...
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### 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 ...
• 51
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### Pond Sediment Volume in QGIS/Grass

I have two rasters, one depicts current water depth and the second depicts the original pond depth. I wish to calculate the volume of the region between the two. -be gentle, I'm a noob.
644 views

### Results of volume calculation differ between cut/fill vs polygon volume in ArcGIS for Desktop? [closed]

I am using ArcGIS 10.3 for Desktop. We just have a project that require to create a pond. So I get to the field to collect survey points for topography and work expense purpose (we use volume of the ...
137 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 ...
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### 2D/3D Area parameter differences in Surface Volume calculation dialog box?

In dialog box of volume surface calculation and also in ASCII file there are 2 out come with names 2D Area and 3D Area. What is difference between these two numbers? What is included in 3D that is not ...
• 201
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### Measuring volume using DSM instead of point clouds in Pix4D

I've go a point cloud generated in the Pix4D software from about 90 aerial images. I am trying to measure piles of coal and have found that using the volume measuring tool on the point cloud model ...
• 155
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### Extracting desired LiDAR points with Quick Terrain Modeler

There may not be a 'better' or 'easier' way to do what I'm asking, but I figured I'd give it a shot and ask around. I'm using Quick Terrain Modeler v8.0.3.4 (x64) and have used the ZEB1 Handheld ...
88 views

### Clipping aerial photograph with LiDAR tiffs for sediment volume calculation?

I currently have an aerial photograph of a barrier beach, and corresponding LiDAR data for the 2005 photo, 2007 photo, and 2013 photo. I want to calculate the volume of sediment on the beach for each ...
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### 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 ...
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### 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 ...
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### calculating volume

I need to calculate removed material volume on arcmap 10.2. I have a present-day dem and a very large and irregular polygonal shapefile that is the area in which I have to calculate volume. How can I ...
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### Where does the output of a grid volume run in the Saga tool/ Qgis end up?

I have tried to do a grid volume run with the Saga grid calculus - grid volume function. After the run the window closes and nothing seems to happen, no message, no new layer or information appear. I ...
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### trying to calculate volume using r.volume GRASS - error message

I am trying to calculate volume using GRASS plugin in Qgis using module r.volume however the attached error message keeps appearing. Any ideas?
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### Where is Area and Volume statistics tool in ArcMap 10.1?

I want to measure surface volume of an area with different Plane Height above reference plane. There should be a tool for statistic calculation but I cannot find it in 3D analyst toolbox. Is it exist ...
• 201
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### 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 ...
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### 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 ...
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### 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 ...
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### 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 ...
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### 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 (...
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### Calculate the volume of a surface above an irregular surface [closed]

I am working with repeat LiDAR data over a dune field. From the LiDAR I have generated a DEM with approximately 30cm accuracy over the entire dune field and generated a TIN from this as well. I need ...
49 views

### Volume calculation using Mosaic & Cut Tools [closed]

I'm new to ArcGIS and I'm taking an introductory course for it. I have a problem trying to quantify the volume of a lake. The lake is enclosed by two dams which are to be extended from 1909 to 1932 m....
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1 vote
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### 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 ...
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1 vote
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### 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 ...
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1 vote
609 views

### Interpolating bathymetric data to make a volume estimate

I have 3 m resolution bathymetric data of a lake that I want to use to make a volume estimate of a landslide deposit that is on the lake floor. Basically, I want to interpolate the bathy data to make ...
• 11
1 vote
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### Measuring Volumes using DEMs

I've done quite a bit of research here and elsewhere and am still having trouble coming up with a solution for measuring volumes using a DEM derived from high-resolution (1 m) stereo satellite imagery....
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1 vote
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### What is result from cut fill operation?

I calculate volume of lake from rasters with cut fill tools. I got a result and I don't know what is right result. In the table are two columns COUNT and VOLUME maybe I have to count multiply volume ...
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1 vote
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 ...
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### Volume calculation analysis with Quick Terrain Modeler 8.0.2. (QTM)

I have been unsuccessful in finding a tutorial, guide or example of the 'Volume Calculation' analysis tool in Quick Terrain Modeler. http://appliedimagery.com/ I was wondering if anyone else has any ...
1 vote
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
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### 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('...
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### 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?
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### volume mass calculation

I have raw data with x, y, z coordinates before work and after work. I have to calculate mass volume between two of them. I have converted two files into tin. I have used surface difference (3D ...
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