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Inverting the order of raster values in the legend

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10-11-2022 08:56 AM
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katemcc918
New Contributor

By default, ArcGIS Pro displays stretched raster symbology values from greatest on top to least on the bottom. I would like to show this raster in my map legend with the smallest value (16.3) on top and the largest value (95.6) on the bottom. I see that you can invert the color ramp, but that does not affect the order of the actual raster values. Is there a way to invert these values for the purposes of the legend?

katemcc918_1-1665503615034.png

 

 

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DuncanHornby
MVP Notable Contributor

This is possible certainly in ArcPro 3.1.0.

Here is an example for a default setting for a raster added to the map:

DuncanHornby_0-1679481588396.png

Clicking the invert option simply inverts the symbol as shown below, but not the labels:

DuncanHornby_1-1679481708758.png

You need to set the stretch type to min/max, note new tick box options appears in symbology pane.

DuncanHornby_2-1679481822992.png

Tick on edit min/max values, swap the values around and hey presto you get your low - high labelling as desired

DuncanHornby_3-1679481967669.png

Although I show you a solution I think in the case of this elevation dataset it does not make sense, so be careful when inverting values/labels to make sure what you are showing is understandable to the map reader.

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3 Replies
MichaelCairns1
New Contributor

Did you ever get an answer to this problem? It would seem so simple but I cannot see how it can be achieved - common for geological data - Shallow to Deep for example.

DuncanHornby
MVP Notable Contributor

This is possible certainly in ArcPro 3.1.0.

Here is an example for a default setting for a raster added to the map:

DuncanHornby_0-1679481588396.png

Clicking the invert option simply inverts the symbol as shown below, but not the labels:

DuncanHornby_1-1679481708758.png

You need to set the stretch type to min/max, note new tick box options appears in symbology pane.

DuncanHornby_2-1679481822992.png

Tick on edit min/max values, swap the values around and hey presto you get your low - high labelling as desired

DuncanHornby_3-1679481967669.png

Although I show you a solution I think in the case of this elevation dataset it does not make sense, so be careful when inverting values/labels to make sure what you are showing is understandable to the map reader.

MichaelCairns1
New Contributor

Thank you for taking the time to step through this. Will need to upgrade to ArcGIS Pro 3.1.0 

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