[Qgis-user] Qgis Excavated Pond Volume

[Sebastian Gutwein]

This blog post might help get you started on the process.
https://www.pointsnorthgis.ca/blog/how-to-calculate-surfacecut-volume-qgis-advanced/

On Tue, Jun 1, 2021 at 9:01 PM Tennessee Aerial Imagery <
tennesseeaerialimagery at gmail.com> wrote:

> Thank you,
>
> I have printed out your method.  I will spend some time with it.
> The terminology is pretty alien to me.  But I will dig hard into it.
>
> Out of Pix4D the only Z files I get are a DSM tif file and contour
> dxf and shp file.  I have been doing my best with the new Qgis
> Vol Calc Tool but get nowhere.
>
> Thanks  Dave
>
> On Tue, Jun 1, 2021 at 7:27 PM Sebastian Gutwein <bas at rdgland.com> wrote:
>
>> I have been doing volume calculations from Drone imagery processed in
>> Open Drone Map in QGIS and would be interested in helping you figure out
>> how to get it to work.
>> Here is a screenshot of the Processing Model I use.
>> [image: image.png]
>>
>>
>> On Tue, Jun 1, 2021 at 6:37 PM Tennessee Aerial Imagery <
>> tennesseeaerialimagery at gmail.com> wrote:
>>
>>> I run GIS Mapping with Photogrammetry using Pix4D Desk Top Mapper to
>>> process the data into deliverable files for the construction industry.
>>> While
>>> the deliverables are easy to open and manipulate in Civil Cad, not all
>>> construction companies have Civil Cad SW. With these companies, I share
>>> the Pix4D Cloud version. That covers it pretty well. BUT!! sometimes I
>>> need to just share files for use in QGIS.
>>>
>>> While QGIS is simple enough with the Ortho. Contours, Elevations and
>>> Distances; I cannot break into Cut/Fill Volumes using the new Volume
>>> Calculation Tool. I am trying to attain the volume of a large on-site
>>> pond. No problem with Pix4D but cannot with QGIS.
>>>
>>> My Pix4D Z files are: DTM (DSM) Tif and Contour DXF and SHP
>>>
>>> I have no problem creating the Polygon but cannot place any of the
>>> factors
>>> together to obtain accurate volume with QGIS. Which is 6.7 million
>>> gallons.
>>>
>>> Can anyone help?? Thanks
>>>
>>> --
>>> *                     TENNESSEE AERIAL IMAGERY*
>>> *Aerial Mapping & Photography For The Construction & Commercial Real
>>> Estate Industries*
>>>
>>> *         865-621-5460   www.tnaerialimagery.com
>>> <http://www.tnaerialimagery.com>   tennesseeaerialimagery at gmail.com
>>> <tennesseeaerialimagery at gmail.com>*
>>> *                           Licensed - Insured - FAA Certified -
>>> References Available*
>>>
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>>
>
> --
> *                     TENNESSEE AERIAL IMAGERY*
> *Aerial Mapping & Photography For The Construction & Commercial Real
> Estate Industries*
>
> *         865-621-5460   www.tnaerialimagery.com
> <http://www.tnaerialimagery.com>   tennesseeaerialimagery at gmail.com
> <tennesseeaerialimagery at gmail.com>*
> *                           Licensed - Insured - FAA Certified -
> References Available*
>
>
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