# Vertical datum

**URL:** <https://community.pix4d.com/t/vertical-datum/18058>\
**Category:** PIX4Dmapper\
**Created:** [May 14, 2021, 1:12am UTC](https://community.pix4d.com/t/vertical-datum/18058 "2021-05-14T01:12:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![absoluteaerialservic](https://avatars.discourse-cdn.com/v4/letter/a/f14d63/32.png) [@absoluteaerialservic](https://community.pix4d.com/u/absoluteaerialservic)\
**Post date:** [May 14, 2021, 1:12am UTC](https://community.pix4d.com/t/vertical-datum/18058/1 "2021-05-14T01:12:30Z")

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I was wondering which vertical option I should choose when my control points are in NAD83 state plane and in ellipsoidal height and would like the output vertical in a geoid 03?

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**Author:** ![Daniele\_Lecci](https://sea2.discourse-cdn.com/pix4d/user_avatar/community.pix4d.com/daniele_lecci/32/9493_2.png) [@Daniele\_Lecci](https://community.pix4d.com/u/Daniele_Lecci)\
**Post date:** [May 14, 2021, 1:42pm UTC](https://community.pix4d.com/t/vertical-datum/18058/2 "2021-05-14T13:42:45Z")

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Hi,

Thank you for your message.

Please note that it is not possible to use local geoids in Pix4Dmapper. You can find more information about this and some workarounds on this page:

> **[How to define Pix4D outputs with respect to a Geoid model](https://support.pix4d.com/hc/en-us/articles/360021076212-How-to-define-Pix4D-outputs-with-respect-to-a-Geoid-model)**
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> Video: Watch the instructional video related to Altitude and Vertical Coordinate System: here.
> 
> The Z coordinate (altitude) can be given with respect to an ellipsoid (ellipsoidal height)  or wit...

You can also try Pix4Dmatic, our new product for photogrammetry on large-scale projects. This product supports the use of local geoids.  
You can find more information about Pix4Dmatic here, where you can also download a trial:

> **[PIX4Dmatic: Photogrammetry software for terrestrial, corridor and large scale...](https://www.pix4d.com/product/pix4dmatic-large-scale-photogrammetry-software)**
>
> Photogrammetry software specially designed to process large datasets with ease. Generate powerful data and overcome every challenge with a streamlined workflow.

Here you can find more information on how to use vertical coordinate systems and geoids in Pix4Dmatic:

> **[How to use vertical coordinate systems and geoids - PIX4Dmatic](https://support.pix4d.com/hc/en-us/articles/360044174411-How-to-use-vertical-coordinate-systems-and-geoids-in-Pix4Dmatic)**
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> This article explains how to select the correct vertical coordinate reference system, geoid, or geoid height in PIX4Dmatic.
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> What is a geoid model: The geoid is defined based on the earth's gra...

Let me know if you have any questions.

Cheers.