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Bonjour,

je cherche à faire sur Qgis un tracé d'un itinéraire avec comme légende une couleur pour le type de route et la largeur du trait pour la fréquentation de cette route. J'ai vu qu'il était possible de faire des choses sur arcgis comme légende bivariée. Est-ce que ce que je cherche à faire est faisable sur Qgis???

Merci

I'm trying to use QGIS to trace out an itinerary with a legend using color for the type of route and line thickness for the amount of traffic on the route. I have seen that it's possible to do things like this in ArcGIS with a bivariate legend. Is what I'm trying to do possible with QGIS?

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My French is quite rusty, but I think (and please correct me if I am wrong) the question is: is it possible to create a map of a road network with colours and line widths assigned based on travel density along a route in quantum GIS? – sgrieve Sep 6 '12 at 12:27
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The answer is yes, Here is a good guide (in English) showing how to scale vectors based on attribute table data qgis.spatialthoughts.com/2012/02/… which could be applied to this problem. However, I cannot write enough French to convey this... – sgrieve Sep 6 '12 at 12:30
@sgrieve We're an English site, so please go ahead and post your answer in English. – whuber♦ Sep 6 '12 at 14:22
My answer was just to read the guide I posted, it covers scaling of symbols based on attributes. What I meant was I couldn't translate the guide into French. – sgrieve Sep 6 '12 at 14:48

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