Re: [Qgis-user] defining a variable width vector style

Hi Robin: I just noticed in the documentation for 2.16 at: http://qgis.org/fr/site/forusers/visualchangelog216/index.html#feature-aggregate-support-for-expressions Under: Feature: Arrow Symbol Layer It appears that you can make arrows with tapered shafts. The shafts hasve start and end width

Re: [Qgis-user] How to Rotate Labels for Line

Hi Lee; I agree using 2.8.3. Rotation around point features is limited to quadrant 1 and 4, the names cannot be turned upside down. Rotation of 120 degrees gives the same as -30 degrees. Rotation of 180 or -180 results in 0 rotation. However if the point feature is set to label around the point

Re: [Qgis-user] Layer question

Hi Shane Is it that you want the parking lot and the road outline to disappear if the road touches the parking lot? You can do that if you use a different way to outline the roads and parking lots. You need to duplicate both the road layer and the parking lot layer. Then use one road layer to

Re: [Qgis-user] Layer question

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 shaned...@gmail.com wrote: Hi group, I have a layer with roads which are lines having a style of gray with thin

Re: [Qgis-user] Merging Shapefiles on Top of Each Other

Hi Tom I betting that your merged file has NULL in the color-item you used for all polygons from the roads source. If that is so you could try changing the NULL color-item to a value not included in the valid sectors color-item. Then go to properties style and click CLASSIFY to get the new

Re: [Qgis-user] labelling by attribute

Hi Lucas: You can use the data defined override to set the text size based on your classes. Use the fancy E under Layer Properties labels size. The program expects a number which will become the size. If the class in your data base is called class and it happens to be a number usable as the

Re: [Qgis-user] QGIS 2.81 How to match font size in project composer

Hi All: I am having a similar problem on stand alone 2.8.2 on PC with HDMI screen. I set the screen canvas to 8 inch by 10 inch and made a screen dump. The result was an image that was 4 by 6 inch instead of 8 x 10. However the text on this image was the same size as on the screen. The image

[Qgis-user] Trouble trying to produce large graphic jpg from stand alone QGIS 2.8.1-Composer on Windows 7-32 bit

The graphic is 656 MB (16200 x 13500 @ 300 dots per inch) and would measure 1372 x 1143 mm. It is a wall map. Composer warns it may cause memory overflow and when I proceed it says to either change paper size or resolution and no file is generated. I have checked available memory and it is 1.82 GB

[Qgis-user] How do I specify several different marker symbols for a single layer?

Hi All I am trying to add highway route number background symbols to a transportation layer. There are 9 different unique symbols. I can only specify one per layer. I tried using Layer PropertiesFeature Subset query but could only specify one feature set for the layer. I also tried double clicking

[Qgis-user] How to Make a project layer editable

I have a project with layers imported from Arc Info Coverages (directories). They all appear to be locked from editing. If I select a polygon, list the attributes, and attempt to change them the pencil toggle in not active and no new values can be entered. I have tried other projects which were