You will find update instructions in the documentation here: 
- http://docs.geotools.org/latest/userguide/welcome/upgrade.html

I am afraid I did not transfer update instructions as far bad as the GeoTools 
2.2 release:(

The gt-swing module (and thus StyledMapPane) never made it through QA checks - 
JMapPane is the replacement.

You can implement your own NorthArrow as a DirectLayer, you will need to do the 
trick of projecting back to EPSG:4326, moving a little bit north, and then 
going back to the map CRS in order to figure out which direction north is. 

-- 
Jody Garnett


On Tuesday, 30 October 2012 at 4:46 PM, kapil wrote:

> hi list,
> 
> I have an project which uses geotools version 2.2 now i want to migrate this
> project on latest version means Geotools 8.2. but i got so many problems
> like:
> 
> 1 how to create scrollpane on jmappane
> 2 how to get getscalefactor() method of zoompane as it is not present in 8.2 
> 3 how to add NorthArrow layer in jmappane
> 4 problem regarding OverlayImage class 
> 
> please also tell me that JMapPane is the right substitute of styledmappane
> or not
> 
> 
> 
> 
> --
> View this message in context: 
> http://osgeo-org.1560.n6.nabble.com/Migration-of-project-to-geotools-2-2-from-geotools-8-2-tp5012146.html
> Sent from the geotools-gt2-users mailing list archive at Nabble.com 
> (http://Nabble.com).
> 
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