topic Re: Changing from streched to classified in Data Management Questions

Changing from streched to classified

MarkBeaty — Mon, 24 Oct 2011 19:58:57 GMT

Ok,
I apologize If this has already been discussed for if it has I could not find it. Now I just hope I can explain this. I am trying to change the displayed stretch of a raster from Stretched to Classified. When I load the image (single band) into Arc it correctly displays the High and Low (-751 to 2576) in the TOC. Opening up the Layer Properties: Symbology the High and Low values are still correctly displayed. When I change the stretch function from Stretched to Classified the range of values immediately changes into 5 groups from a Natural Breaks classification. Unfortunately at this point is where it all goes wrong. The minimum value in now set to 0 and the maximum value is 3327, (which is the entire range from -751 to 2576). When I try to add a break point it will not let me add a negative break point.

Also when a color ramp is applied to these "default" values the assigned colors are applied to the original real values. For Example if I apply the color green to the first group 0-212 all values below 212 (including negative numbers are now colored green.

I have tried this on three different XP-32bit machines running ArcMap10. Works correctly with ArcMap 9.3.1 on XP-32bit.

Any thoughts or suggestions welcome.

Thank you,
-- Mark B.

Re: Changing from streched to classified

JhennaLopez — Mon, 09 Jan 2012 07:53:05 GMT

I think it's all or nothing in ArcMap. You could try converting the labels to geodatabase annotation, which does support transparency. Perhaps if you had one set of annotation with halos, and a duplicate set with no halos, you could layer the no-halo set on top and set transparency to zero, and put the set with halos below with 50% transparency.

Re: Changing from streched to classified

PatrickTaurman — Tue, 10 Jan 2012 15:21:15 GMT

Hi Mark,

This is a little late, and may or may not help, but you could try Knowledge Base article 35443.

Patrick

Re: Changing from streched to classified

JhennaLopez — Thu, 12 Jan 2012 03:36:27 GMT

Hi Mark,

This is a little late, and may or may not help, but you could try Knowledge Base article 35443.

Patrick

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