I've just experimented with adding the line
map.getViewport().setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84);
at line 53 of the GeoTools quickstart and opening a shapefile in
EPSG:27700, the map is displayed in EPSG:4326 when the display is made
visible.
Ian
On Wed, 9 Dec 2020 at 14:19, Jonas Schrottenbaum <jonesang...@googlemail.com>
wrote:
> So i also tried mapPane.setCrs(CRS.decode("EPSG:4326"))
> and
> mapContent.getViewport().setCoordinateReferenceSystem(CRS.decode("EPSG:4326")),
> which both change the CRS you get by
> calling mapContent.getCoordinateReferenceSystem(), but as soon as the first
> layer comes, it overwrites it with it's own (EPSG:23700)
>
> Am Mi., 9. Dez. 2020 um 14:50 Uhr schrieb Jonas Schrottenbaum <
> jonesang...@googlemail.com>:
>
>> Oh, how do i set the map CRS? I thought it was
>> mapPane.setCRS(DefaultGeographicCRS.WGS84) but that had no effect.
>>
>> Am Mi., 9. Dez. 2020 um 14:43 Uhr schrieb Ian Turton <ijtur...@gmail.com
>> >:
>>
>>> You can set the map CRS to what ever you want, if you don't specify it
>>> then it defaults to the first layer's CRS
>>>
>>> Ian
>>>
>>> On Wed, 9 Dec 2020 at 13:33, Jonas Schrottenbaum via GeoTools-GT2-Users <
>>> geotools-gt2-users@lists.sourceforge.net> wrote:
>>>
>>>> Hello,
>>>>
>>>> is it possible to transform all incoming layers into for example
>>>> epsg:4326?
>>>> So no matter what the CRS of a WMSLayer, or FeatureLayer is, they can
>>>> always be overlaid?
>>>>
>>>> Default seems to be that the first incoming layer specifies which CRS
>>>> is used, and all other layers coming after that are transformed into the
>>>> CRS of the first one.
>>>>
>>>> Best regards
>>>> _______________________________________________
>>>> GeoTools-GT2-Users mailing list
>>>> GeoTools-GT2-Users@lists.sourceforge.net
>>>> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
>>>>
>>>
>>>
>>> --
>>> Ian Turton
>>>
>>
--
Ian Turton
_______________________________________________
GeoTools-GT2-Users mailing list
GeoTools-GT2-Users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
