Hi
it seems that sld import/export has some faults. According to an user's
mail (I recived) it was not possible to load text symbology on a layer.
While waiting a more complete info (and opening a bug ticket), I did some
(partial) tests. This is what I found:
- Save: vertex symbology from external image file is not saved into the xml
file. The tag <sld:ExternalGraphic> is not recorded even if it is present
into the layerstyle2sld.xsl file template
- Load: vertex symbologies applied as ColorThemingStyle are decoded as
multiple BasicStyle. Thus is not easy to apply a styling according to an
attribute classification
- Load: strangelly Labeling works fine. labels are located anyhow at the
center of the geometry.
- Load. ColorThemingStyle for polygon works only if user uses base fill
colors.
ColorThemingStyle for polygons with some fill patterns seems not working
- Load both line color and line pattern seem to work.
I remember years ago everyting seemed to work fine (
http://ojwiki.soldin.de/index.php?title=Import-Export_Layer_Style). I
wonder if this is connecte external libraries.

Good news: the method  new Java2XML().write(layer, "layer", stringWriter)
controls the way to export style (both on project file and partially on sld
file).
I thing I will implement an alternative way to export/import style to file
using this method.

Best regards
Peppe
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