# Scaling Ortho Mosaic

**URL:** <https://community.pix4d.com/t/scaling-ortho-mosaic/25346>\
**Category:** PIX4Dmapper Questions/Troubleshooting\
**Created:** [February 3, 2023, 2:19am UTC](https://community.pix4d.com/t/scaling-ortho-mosaic/25346 "2023-02-03T02:19:37Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![timothy\_brown](https://avatars.discourse-cdn.com/v4/letter/t/8e7dd6/32.png) [@timothy\_brown](https://community.pix4d.com/u/timothy_brown)\
**Post date:** [February 3, 2023, 2:19am UTC](https://community.pix4d.com/t/scaling-ortho-mosaic/25346/1 "2023-02-03T02:19:38Z")

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What setting has to be made to assure my ortho mosaic TIFF exports out to scale with the point cloud. When I import the point cloud and the ortho into the different work environments, I inevitably have to scale the ortho to the cloud manually with the scaling feature in the program. Thank you

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**Author:** ![Chris\_Putnam](https://sea2.discourse-cdn.com/pix4d/user_avatar/community.pix4d.com/chris_putnam/32/4946_2.png) [@Chris\_Putnam](https://community.pix4d.com/u/Chris_Putnam)\
**Post date:** [February 4, 2023, 12:41am UTC](https://community.pix4d.com/t/scaling-ortho-mosaic/25346/2 "2023-02-04T00:41:22Z")

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@timothy_brown, sorry to ask a dumb question, but have you made sure that the coordinate systems are in the same unit of measurement between the two programs. If the error in projection has a relative error of 3 or 1/3, chances are that it is a unit of measurement issue. (p.s. I have been guilty of this before I’ve had my coffee.)

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**Author:** ![timothy\_brown](https://avatars.discourse-cdn.com/v4/letter/t/8e7dd6/32.png) [@timothy\_brown](https://community.pix4d.com/u/timothy_brown)\
**Post date:** [February 4, 2023, 2:30am UTC](https://community.pix4d.com/t/scaling-ortho-mosaic/25346/3 "2023-02-04T02:30:05Z")

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Not a stupid question at all Chris. As a matter of fact I think you’re right. Thank you for your response.

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**Author:** ![Chris\_Putnam](https://sea2.discourse-cdn.com/pix4d/user_avatar/community.pix4d.com/chris_putnam/32/4946_2.png) [@Chris\_Putnam](https://community.pix4d.com/u/Chris_Putnam)\
**Post date:** [February 8, 2023, 4:24pm UTC](https://community.pix4d.com/t/scaling-ortho-mosaic/25346/4 "2023-02-08T16:24:03Z")

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Of course. Happy to help. If it solved your issue, feel free to hit the button.