Hallo, Thank you for your assistance.
The cause was an older version of the oracle library. With version 19 mapserver can display the png files. Goodbye Gerhard > Am 17.08.2021 um 16:52 schrieb Jeff McKenna <jmcke...@gatewaygeomatics.com>: > > Hi Gerhard, > > It seems to be a problem with the LIBPNG library on your server. Is "PNG" > listed in the response from the command "gdalinfo --formats" ? > > I might also: > > - recompile ZLIB > > - recompile LIBPNG > > (executing 'sudo ldconfig' after each) > > - recompile GDAL (point to your external LIBPNG) > > - test with 'gdalinfo --formats' > > - recompile MapServer > > - test your mapfile with a 'shp2img' command > > > -jeff > > > > -- > Jeff McKenna > GatewayGeo: Developers of MS4W, MapServer Consulting and Training > co-founder of FOSS4G > http://gatewaygeo.com/ > > > >> On 2021-08-12 7:15 a.m., Gerhard Völkl wrote: >> Hello, >> when using a png image as symbol I got the error >> Image handling error >> When using a gif image all is fine. >> But I can’t change all 1000 Images to gif. >> What can I do? Whatˋs wrong? >> Here an example Output: >> /usr/lib/cgi-bin/mapserv >> QUERY_STRING="map=/data/ows/maps/test.map&SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=725521.7,5433653.4,726708.5,5434495.5&CRS=EPSG:25832&WIDTH=1048&HEIGHT=317&LAYERS=test&STYLES=&FORMAT=image/png&DPI=96&MAP_RESOLUTION=96&FORMAT_OPTIONS=dpi:96&TRANSPARENT=TRUE" >> libpng error: bad parameters to zlib >> Content-Type: text/xml; charset=UTF-8 >> <?xml version='1.0' encoding="UTF-8" standalone="no" ?> >> <ServiceExceptionReport version="1.3.0" xmlns="http://www.opengis.net/ogc"; >> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; >> xsi:schemaLocation="http://www.opengis.net/ogc >> http://schemas.opengis.net/wms/1.3.0/exceptions_1_3_0.xsd";> >> <ServiceException> >> msDrawMap(): Image handling error. Failed to draw layer named >> 'test-layer'. >> </ServiceException> >> </ServiceExceptionReport> >> GDAL: In GDALDestroy - unloading GDAL shared library. >> Thanks >> Best regards Gerhard >> _______________________________________________ >> mapserver-users mailing list >> mapserver-users@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/mapserver-users > > _______________________________________________ > mapserver-users mailing list > mapserver-users@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/mapserver-users _______________________________________________ MapServer-users mailing list MapServer-users@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/mapserver-users
