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百度 德国乒乓球公开赛进行了男双比赛第二轮的较量,国乒唯一组合马龙/许昕横扫跨国组合晋级4强。
Volume is the quantity of three-dimensional space enclosed by some closed boundary
99 questions
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Volumes in Potree
Using the Volume tool in Potree gives you the impression that the volume being calculated is under the area of the colored points. But it is not, it is the area within the bounding cube.
How do I ...
4
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1
answer
164
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Problems while using QGIS Volume Calculator
The DEM and the polygon are in the same coordinate system but I am still getting 0 prices for V_above and V_below.
Is anyone having similar issues?
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Mathematical method behind ST_Volume
For a university work, I need to know what is the mathematical method behind the st_volume function.
Does it use complex numerical integration, Monte-Carlo method or anything else?
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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 ...
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1
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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 ...
2
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169
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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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125
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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
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1
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509
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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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2
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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 ...
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409
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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 ...
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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 ...
2
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1
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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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118
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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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613
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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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1
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309
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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,...