Hi
I've been trying out 12-RC1 and have noticed that WMSLayer now has inferior
behavior compared to 11.1. 12-RC1 seems to ask the WMS with a different SRS
from what I ask for, and then transform the image on the client, where 11.1
just asks the WMS for the right SRS to begin with. Here is some code that can
demonstrate the suspected regression. You may have to zoom in one level to see
that the text that was horizontal with 11.1, is slanted with 12-RC, plus the
fact that the image quality is worse. The WMS I use may have some limits as to
how often it may be called.
---
import org.geotools.data.wms.WebMapServer;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.MapContent;
import org.geotools.map.MapViewport;
import org.geotools.map.WMSLayer;
import org.geotools.ows.ServiceException;
import org.geotools.referencing.CRS;
import org.geotools.swing.JMapFrame;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import javax.swing.*;
import java.awt.Dimension;
import java.io.IOException;
import java.net.URL;
public class WmsTest {
public static void main(String[] args) throws IOException,
ServiceException, FactoryException {
CoordinateReferenceSystem crs = CRS.decode("EPSG:32633");
ReferencedEnvelope referencedEnvelope = new ReferencedEnvelope(-127998,
1.14551e+06, 6.37792e+06, 7.9768e+06, crs);
WebMapServer webMapServer = new WebMapServer(new
URL("http://openwms.statkart.no/skwms1/wms.topo2";));
final MapContent mapContent = new MapContent();
mapContent.setViewport(new MapViewport(referencedEnvelope, true));
mapContent.addLayer(new WMSLayer(webMapServer,
webMapServer.getCapabilities().getLayer()));
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
JMapFrame mapFrame = new JMapFrame(mapContent);
mapFrame.enableToolBar(true);
mapFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
mapFrame.setSize(new Dimension(768, 768));
mapFrame.setLocationRelativeTo(null);
mapFrame.setVisible(true);
}
});
}
}
---
Regards
Tor Egil Riegels Strand
Developer
Direct: +47 32 11 81 61
E-mail: tor.egil.str...@kartverket.no
Switchboard: +47 32 11 83 00
www.kartverket.no
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