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Strange Min Max for Mosaic Dataset

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09-27-2023 07:19 AM
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RandyMcGregor_BMcD
Frequent Contributor

I have created a mosaic dataset using 'create mosaic dataset' and 'add rasters to mosaic dataset' using defaults.

The output has the range shown below and the appearance is just uniformly gray. The inputs looks fine. The minimum and maximum values of the mosaic dataset are more logical (800ish to 1,000ish)

RandyMcGregor_BMcD_0-1695824139871.png

Where is this range of values coming from?

The mosaic dataset seems to work in that it creates legitimate-looking slope surfaces, but the image itself looks weird.

I'm sure there is a simple explanation, but I have been unable to scare it up. Any help would be much appreciated.

Thank you,

Randy McGregor

 

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JohannesLindner
MVP Frequent Contributor

The mosaic dataset doesn't know the min/max yet, that's why it shows the full range. You need to calculate the statistics.

 

Brand-new mosaic:

JohannesLindner_0-1695826883103.png

 

Calculate Statistics

JohannesLindner_1-1695826929430.png

 

After:

JohannesLindner_2-1695826958009.png

 


Have a great day!
Johannes
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