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Transformations are missing from vector and raster project tools

Oliver_Burdekin

When using the project raster or project vector tools there are no suggestions for datum transformations. Digging further I checked an existing map and tried to add a transformation to the data frame. The screenshot shows that no transformations are available.

It would appear that they have been deleted. Is there a way to reinstall them without having to reinstall Arc completely?

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Oliver_Burdekin

So I would've thought. The coincidence is striking though.

DanPatterson_Retired

Good... sometimes housecleaning can have side consequences.... this shouldn't happen though, particularly if more than one piece of software requires a shared object.

Oliver_Burdekin

Hi Dan,

Yes they were there. I have hundreds of .mxds and often need to apply transformations. Recently between WGS84 and Arc1950. Looking back over the last week's work I realised that in cleaning up my machine I had uninstalled ArcEarth and Arc App Studio. Presumably the uninstall from one (or both) of those two was a little overzealous and took all the transformations with them.

In order to fix it it was as simple as Control Panel > Programs and Features > ArcGIS 10.4 > remove / change > repair

Now they're all back.

Success.

DanPatterson_Retired

Lets start with...were they ever there? have you tried one that isn't for global data like nad83 utm to nad27 utm?

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