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Question

Viewport rotation messes with coordinates

M

I am working on a workflow that needs to be able to extract plots of land from the local government's database, rotate them to face to the North, and then show the plot of land on a viewport.

I found out how to make the viewport, and I found out how to rotate the plot to the North.

When I open up the viewports, I notice that the coordinates have shifted with the rotation.

I tried setting up the coordinates of the plot in the workflow, but these settings don't seem to be saved.

Any help or thoughts would be appreciated!

 

 

Example images:

This is the viewport with the plots of land.

Viewport with plotWhat happens after rotation:

Post-rotationThe intended result:

Intended result

2 replies

JennaKAtSafe
Safer
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Hi @mathijsvd​, would you be able to clarify where you are creating this viewport from? It would be also helpful to clarify how you are setting up your coordinate systems in FME. If you can attach a logfile of how these settings are not being saved that would be helpful.

M
  • mathijsvd
  • Author
  • February 6, 2023
JennaAtSafe wrote:

Hi @mathijsvd​, would you be able to clarify where you are creating this viewport from? It would be also helpful to clarify how you are setting up your coordinate systems in FME. If you can attach a logfile of how these settings are not being saved that would be helpful.

I'm creating this viewport using an Excel-file with addresses and the publicly available address data from the Flemish government, which contains the coordinates and coordinate system I'm using.

 

That said, the settings are being saved, as far as I can tell. When I actually open the DWG, though, the viewport's resolved_view_target seems to have changed regardless of what I do... I've even tried rotating the viewport by the same, negative degree, in hopes that I'd get the correct rotation after, but that doesn't seem to work either.

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