Questions tagged [volume]
Volume is the quantity of three-dimensional space enclosed by some closed boundary
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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 ...
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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?
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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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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....
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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
...
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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,...
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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 ...
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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 ...
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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 ...
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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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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 ...
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2
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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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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. (...
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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 ...
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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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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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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 ...
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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 ...
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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 ...
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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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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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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) ...
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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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336
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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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618
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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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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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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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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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1
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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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1
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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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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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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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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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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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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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2
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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 ...
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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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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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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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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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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 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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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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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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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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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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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 ...