Thanks, Nathan! I never used advanced options of symbology before. On Fri, Sep 28, 2012 at 12:24 PM, Nathan Woodrow <[email protected]>wrote:
> Try this one https://dl.dropbox.com/u/6170988/layers.png > > - Nathan > > On Fri, Sep 28, 2012 at 3:20 PM, Denis Rykov <[email protected]> wrote: > > > > Thanks, but when I try to open Image I get - HTTP 403 (Forbidden) > > > > On Fri, Sep 28, 2012 at 12:16 PM, Nathan Woodrow <[email protected]> > > wrote: > >> > >> I can get QGIS to do what you need: > >> > >> http://img6.imagebanana.com/img/uewfzlmc/Workspace1_155.png > >> > >> Selected the Symbol:Fill tree item and then selected Advanced->Symbol > >> Levels > >> > >> Just enable symbols levels and it will render how you need. > >> > >> - Nathan > >> > >> On Fri, Sep 28, 2012 at 2:35 PM, Denis Rykov <[email protected]> wrote: > >> > QGIS is used rendering order of symbol layers within features not > within > >> > layer. Try to set up layer (two overlapped polygons) symbology for > >> > getting > >> > such result http://hub.qgis.org/attachments/4909/geoserver_sld.png. > Of > >> > course you can open the same layer twice and set up their symbology > >> > separately, but it is not the right solution. > >> > > >> > > >> > On Fri, Sep 28, 2012 at 11:18 AM, Nathan Woodrow <[email protected] > > > >> > wrote: > >> >> > >> >> QGIS does already have the ability to control the rendering order of > >> >> symbol layers, and should be able to do what you need. > >> >> > >> >> - Nathan > >> >> > >> >> Sent from some fancy phone looking thingo > >> >> ________________________________ > >> >> From: Denis Rykov > >> >> Sent: 28/09/2012 1:29 PM > >> >> To: [email protected] > >> >> Subject: [Qgis-developer] Improve symbology system > >> >> > >> >> Some days ago I've faced with the following problem. For example, I > >> >> have > >> >> two overlapped polygons and want to draw this layer such way: > >> >> http://hub.qgis.org/attachments/4909/geoserver_sld.png Now it looks > >> >> like I > >> >> cannot do it with QGIS symbology system. Screenshot which I provided > >> >> above > >> >> was made in GeoServer with the following SLD configuration: > >> >> > >> >>> <StyledLayerDescriptor version="1.0.0" > >> >>> xmlns:xlink="http://www.w3.org/1999/xlink"; > >> >>> xmlns:ogc="http://www.opengis.net/ogc"; > >> >>> xmlns="http://www.opengis.net/sld";> > >> >>> <NamedLayer> > >> >>> <Name>test</Name> > >> >>> <UserStyle> > >> >>> <Name>test</Name> > >> >>> <FeatureTypeStyle> > >> >>> <Rule> > >> >>> <LineSymbolizer> > >> >>> <Stroke> > >> >>> <CssParameter name="stroke-width">4</CssParameter> > >> >>> <CssParameter name="stroke">#dddddd</CssParameter> > >> >>> </Stroke> > >> >>> </LineSymbolizer> > >> >>> </Rule> > >> >>> </FeatureTypeStyle> > >> >>> <FeatureTypeStyle> > >> >>> <Rule> > >> >>> <PolygonSymbolizer> > >> >>> <Fill> > >> >>> <CssParameter name="fill">#fa5000</CssParameter> > >> >>> </Fill> > >> >>> </PolygonSymbolizer> > >> >>> </Rule> > >> >>> </FeatureTypeStyle> > >> >>> </UserStyle> > >> >>> </NamedLayer> > >> >>> </StyledLayerDescriptor> > >> >> > >> >> > >> >> I tried to import this SLD into QGIS, but SLD docs containing > multiple > >> >> FeatureTypeStyle are not supported yet (#6413). But I think that > >> >> problem is > >> >> more seriously. Now in QGIS rendering performs by features but not by > >> >> layers. Try to explain it. For example we have two symbol's layer - > >> >> first > >> >> with border, but without filling and second - with filling but > without > >> >> border. If we try to render such layer we will get the following > >> >> result: > >> >> http://gis-lab.info/forum/download/file.php?id=5008. It is expected > >> >> beacause QGIS is used by feature rendering approach. Another approach > >> >> is > >> >> using rendering by layer: first draw a layer according to the > symbology > >> >> of > >> >> the first level, and then second and then overlying each other. In > this > >> >> case > >> >> we get result as in GeoServer. I think that this approach is more > >> >> flexible, > >> >> using "by layer" rendering we can get the the same result as using > "by > >> >> feature" approach (in our case using one level symbology with border > >> >> and > >> >> filling). Is it to makes sense to add checkbox to each symbology > layer > >> >> wich > >> >> will be indicate QGIS rendering system used "by layer" rendering > >> >> approach? > >> >> > >> >> ArcGIS is used "by feature" approach but solves described issue by > >> >> using > >> >> join operator, for example: > >> >> http://gis-lab.info/share/DR/screenshots/symbollevels.png > >> > > >> > > > > > >
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