Questions tagged [volume]

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

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Calculating volume of glacier using DEM and shapefile of glacier? [closed]

I have a shapefile of a glacier I am interested in and the DEM of that region, where the glacier is located. Is it possible to calculate the volume of the glacier? Assumption: The surface of the ...
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15 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. ...
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23 views

Will Polygon Volume work if my polygon does not represent a constant plane height?

I am working on calculating flood inundation volume in ArcMap. I have polygon layers that represent flood inundation at specific recurrence intervals. My layers do not have a constant plane height ...
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33 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 (...
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1answer
59 views

QGIS - processing area and calculating volume of polygon with know elevation from a DEM

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) ...
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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 ...
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1answer
98 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 ...
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1answer
125 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 ...
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41 views

Creating virtual dam using ArcMap and 3D Analyst?

I am using ArcGIS Desktop 10.4 to work on a dam project. I have created a TIN with level curves (5 meters). Level curves have a Z attributes so it's easy to create TIN I have created polygons for ...
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34 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/...
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35 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 ...
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1answer
63 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('...
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61 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 ...
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1answer
295 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 ...
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1answer
837 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 ...
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1answer
47 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?
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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 ...
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1answer
952 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 ...
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4k 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, ...
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1answer
332 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 ...
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762 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 ...
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156 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 ...
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1answer
1k 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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3answers
257 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?
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2answers
431 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 ...
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1answer
811 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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82 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-...
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80 views

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 ...
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760 views

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 ...
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266 views

Bathymetry map (DEM) and the reservoir Volume from bathymetry points

Could anyone provide me with a workflow from POINTS --> Bathymetry map (DEM) and Volume calculation in ArcGIS? I would like to create a bathymetry map (DEM) and calculate the volume for a large ...
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226 views

Sun Shadow Volume Tool ESRI [closed]

At my Sun Shadow Volume analysis I have the problem that not all of the shadow volumes reach the originating feature. I get a field named "HUGS_FEATR" where it is indicated if the shadow hugs the ...
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2answers
1k views

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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1answer
426 views

ArcGIS Surface Volume - multiple results in one table

I'm calculating volumes and surfaces using Surface Volume tool. According to the help page: http://pro.arcgis.com/en/pro-app/tool-reference/3d-analyst/surface-volume.htm it should be possible to ...
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33 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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82 views

Arcpy - Calculate volume using CutFill tool

Currently i have the output of Pix4D which contains: DSM, DTM, LAS file. I want to calculate the volume of a polygon specified by coordinate. Here is the script i'm using right now: arcpy....
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102 views

GRASS r.volume Error

I am writing a Python script which uses a vector polygon outline to construct a raster map of a hypothetical 'mound'. Finally, the script will output the volume of this mound using r.volume. The ...
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1answer
530 views

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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1answer
128 views

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.
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1answer
285 views

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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452 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 ...
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1answer
897 views

Calculating volume using polygon instead of contour line in ArcGIS Desktop?

What I'm attempting to do is calculate the volume of a lake using a polygon I created by classifying an image for water. I then extracted the polygon from the classification process. What I'm left ...
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1answer
314 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 ...
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1answer
7k views

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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1answer
905 views

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 ...
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1answer
1k views

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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1answer
910 views

Calculating Cut & Fill volume using ArcGIS Desktop? [closed]

I work with ArcMap 10.1. There is a proposed area for building a dam. I'm just trying to calculate the approximate volume of dam in different elevations. I created a raster of area and also other ...
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1answer
227 views

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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1answer
580 views

'Result' object has no attribute 'GetMessage', ArcGIS Example

i'm using the following ArcGIS example to calculate the surface and volume of a raster. I added the script to my toolbox: '''***************************************************************************...
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156 views

Surface Volume: output table given all in one column?

The model iterates through a Point Feature Class to calculate different volumes. As an output I get two different styles of tables, both in one and the same iteration. One is the actual correct output ...
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165 views

Z factor to get the results in square meters and cubic meters?

I have a DEM surface in WGS 1984.I want to calculate surface area and volume in different elevations.I wonder for example If I want to measure the area and volume below some height how shall I set the ...