# Cloud Measurement Incorrect Area and Distance

**URL:** <https://community.pix4d.com/t/cloud-measurement-incorrect-area-and-distance/3471>\
**Category:** PIX4Dcloud Questions/Troubleshooting\
**Created:** [November 1, 2017, 11:01pm UTC](https://community.pix4d.com/t/cloud-measurement-incorrect-area-and-distance/3471 "2017-11-01T23:01:59Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![3dservice.direction](https://avatars.discourse-cdn.com/v4/letter/3/b782af/32.png) [@3dservice.direction](https://community.pix4d.com/u/3dservice.direction)\
**Post date:** [July 9, 2020, 8:15am UTC](https://community.pix4d.com/t/cloud-measurement-incorrect-area-and-distance/3471/3 "2020-07-09T08:15:17Z")

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Hello,  
Thanks for your work, Pix4D cloud is simple and full of potential!

I have one precision issue’s with a result. We compared the pix4Dcloud result with a traditionnal geometer result and what can we say is :

- The X,Y precision is good
- The elevetion is not good (at all). half meter imprecision

Does it cause due to pix4D dataset or maybe the acquisition (I will do it again with GCPS)?

> **[PIX4Dcloud](https://cloud.pix4d.com/dataset/695857/map?shareToken=bd822e9a-ac1c-490e-b034-9cf9a9d198a8)**
>
> Advanced photogrammetry software that uses images to create professional orthomosaics, point clouds, models and more.

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