[Qgis-user] drawing transport networks sharing lines

[McDonaldR]

Here’s another answer – illustrated this time: http://gis.stackexchange.com/questions/140685/representing-overlapping-polylines-in-qgis?noredirect=1&lq=1 and with some code to help automate it.

Ross

From: Qgis-user [mailto:qgis-user-bounces at lists.osgeo.org] On Behalf Of McDonaldR
Sent: 19 August 2016 09:27
To: 'Basques, Bob (CI-StPaul)'; dave.potts at pinan.co.uk
Cc: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] drawing transport networks sharing lines

You could try adjusting the X and/or Y offset for each tube line although it doesn’t draw them exactly parallel.  In my example my line width is 2 units and I have duplicated the lines and offset one layer 1 unit and the other -1 unit

See a similar question on stackexchange: http://gis.stackexchange.com/questions/53654/how-to-display-overlapping-lines

[cid:image001.png at 01D1F9FE.E1FABB50]

Ross


Ross McDonald | GIS Data Coordinator | Resources Department, IT Division | Angus Council, Angus House, Orchardbank Business Park, Forfar, DD8 1AT
T: 01307 476419 | F: 01307 476401 | E: mcdonaldr at angus.gov.uk<mailto:mcdonaldr at angus.gov.uk>




From: Qgis-user [mailto:qgis-user-bounces at lists.osgeo.org] On Behalf Of Basques, Bob (CI-StPaul)
Sent: 18 August 2016 18:53
To: dave.potts at pinan.co.uk<mailto:dave.potts at pinan.co.uk>
Cc: qgis-user at lists.osgeo.org<mailto:qgis-user at lists.osgeo.org>
Subject: Re: [Qgis-user] drawing transport networks sharing lines

Well, depending on how many classes you have for routes, you could make each type (class ) a differnt width, and stack the lines on top of each other with the widest one at the bottom of the stack.

If you don’t have vertical order control, you m,ight be able to get away with some level of opacity applied to each trail in order to see through to the next line type.

bobb


On Aug 18, 2016, at 12:20 PM, dave.potts at pinan.co.uk<mailto:dave.potts at pinan.co.uk> wrote:

I am trying to draw a transport network within qgis, sometimes  two network links share same path with the result the qigs draw each link on top of each other.

Is there anyway of getting qgis to draw the links next to each other?

For example with the tub network the district and circle line is drawn as two lines yellow and green next to each other when they share a common route.  Qgis would draw the green line on top of the yellow line


Dave
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