[Qgis-user] Layer question

[Nicolas Cadieux]

Hi, 
You can play with the layer blending.  You can use "multiply" , "add", "subtract"...  (something like that, I am not in front of a computer).  There are also the same blending options in the vector object styling so that you can select what happens when two objects intersect in the same layer. 
Maybe that could help? 
Nicolas Cadieux M.Sc. 
Les Entreprises Archéotec inc.  
8548, rue Saint-Denis Montréal H2P 2H2 
Téléphone: 514.381.5112  Fax: 514.381.4995 
www.archeotec.ca 
On Jul 30, 2015 5:45 PM, "berndv. [via OSGeo.org]" <ml-node+s1560n5217887h58 at n6.nabble.com> wrote: 

	


Hi Shane, I think without a screenshot, we have no chance to really get an idea what it's all about. Best to use a service like http://imgur.com/ and post the link cause the list will bounce too heavy attachments. Bernd Am 30.07.2015, 23:11 Uhr, schrieb Tom Lennon < [hidden email] >: <blockquote style="border-left:2px solid #cccccc;padding:0 1em" style="margin:0 0 0.8ex;border-left:#0000ff 2px solid;padding-left:1ex"> Hi Shane: Have you tried moving the parking lot layer to below the road layer? That way roads over parking lots would always show. Tom On Thu, Jul 30, 2015 at 3:05 PM, Shane < [hidden email] > wrote: <blockquote style="border-left:2px solid #cccccc;padding:0 1em" style="margin:0 0 0 0.8ex;border-left:1px #ccc solid;padding-left:1ex">  Hi group, 

   I have a layer with roads which are lines having a style of gray with thin black outlines on either side.  Another layer (parking lots) has polygons having the same color as the roads but not outlined.  The parking lot layer is above the road layer in rendering order.  So road outlines are hidden by the parking lot layer when a parking lot intersects a road. 

   Here's the trouble - having parking lots with no outline, but roads with outlines looks odd.  Is there some way to have the outlines of both road and parking lot layers removed from rendering when these two features cross? 

   One method I've considered is to draw the roads and parking lots as polygons in the same layer?  It would make drawing the roads non-trivial, but the problem with outlines would be eliminated. 

   Shane 

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