1
vote
1answer
59 views

QGIS/PostGIS layer styles

I've made a plugin asking for login credentials to a DB. Once logged in, the plugin is loading some layers from the DB. In the DB there are both admin and "normal" users. I've saved two styles to the ...
0
votes
0answers
27 views

PyQGIS loading layer style with PostGIS

I'm loading layer styles from .qml files in a Python plugin. I'm about to switch to loading them from a non-local postgreSQL db. I've been looking at the (from QgsVectorLayer (v2.2)) ...
0
votes
2answers
50 views

How to create a symbol with no fill color in qgis?

Where can I find a simple circle to draw it around a point feature. I can change symbol fill color as well as symbol border color. But I didn't find a way to set fill color to no color.
0
votes
2answers
42 views

What output colour format is expected by the QGIS data defined properties widget?

I'm trying to write a python function that takes a BGSREF attribute from a BGS geology shapefile and uses it to colour up the geology polygons of a shapefile. I posted my non-code working as a part ...
0
votes
1answer
28 views

how to use two fields to control display format on map

I have a point shapefile with several numeric fields, among them FuelFlow and Slope. I have successfully applied colour to the various points according to the value of the FuelFlow field. Now I would ...
1
vote
0answers
130 views

QGIS 2.0 Problem with loading a Layer Style file that contains a transparent pixel list

I work with QGIS 2.0.1. For my raster file I have created a Layer Style with a transparent pixel list. When I import a rasterfile in a new project and load the layer-style file, the map changed to ...
1
vote
1answer
48 views

How can I style many layers of vector grid once in QGIS?

After I created many of vector grid layers, I now need to style them in a batch system. Is there any way to do this? If that is not possible, how can I use the layer duplicate option to inherit the ...
0
votes
0answers
13 views

How to export style in sld-format using attribut fields of a shape? [duplicate]

I have some ESRI-Shapes with a .dbf each. In the dbf-File there are attributes like a string. Now i can use one or more attributes to display for example a text on a point by configuring a style. This ...
0
votes
0answers
15 views

How can I create a Style for ArcPad from another GIS as ESRI

I have a QGIS-Project with styles. Now I want to export this style to use in ArcPad... ArcPad needs an apl-file. Does somebody know how to convert the style from QGIS into a apl-file?
0
votes
0answers
123 views

How to set drawing style for QgsRasterLayer in QGIS 2?

I am using PyQGIS. In QGIS1, I can use: rlayer.setDrawingStyle ( QgsRasterLayer.PalettedColor ) but In QGIS2, I got some errors. I follow pyqgis developer cookbook, put some demo scripts in ...
0
votes
0answers
40 views

QGIS 2.0 How to copy the color styling to a color column in a layer's attribute table

I have a polygon layer in QGIS that I have applied a random color style to each polygon. Under Layer Properties -> Style I selected a Categorized style and then generated a random color ramp. I added ...
0
votes
0answers
23 views

Decimal places in Style Labels QGIS [duplicate]

When I create a style for a map, and use a Graduated set of categories, the associated labels have four decimal places – all zeros. I can change each one individually – but there are 10 categories and ...
5
votes
1answer
119 views

How to remove trailing zeros from QGIS Graduated Style Class labels?

I'm sure I've seen a solution to this before but now I can't find it. When using the graduated fill style in QGIS I get lots of trailing zeros in the labels. This makes my legends look messy in the ...
1
vote
3answers
72 views

trouble installing the qgis2kml plugin (or, how to install plugins not available in the Plugin Manager from source)

I'm trying to install the qgis2kml plugin for qgis. Its not showing up in the Plugin Manager search and the only qgis "repositories" I can find are websites for downloading source code. Which is ...
3
votes
1answer
73 views

How to define a line's width graduated by its attributes?

I have a line shapefile with lots of lines that have different attribute values. I want to present these lines in different widths according to their attribute values without classes but a graduated ...
0
votes
0answers
23 views

Style Manager Symbols and Ramps Missing in QGIS 2.0 [duplicate]

This is very frustrating. I already posted a question about the missing color ramps in QGIS 2.0. I´ve even installed the development version without success. No color ramps available, and I have to ...
0
votes
1answer
38 views

Is the rule-based styling not supported on the server?

I have been using the rule-based option to style some of the layers (from a postGIS database) in my qgis project. Then I put the project on the server and when I checked the WMS connection in QGIS, I ...
2
votes
1answer
176 views

Saving vector layer with specific symbology

I am creating a polygon feature layer with soil classes. I need to share this layer with some colleagues and I need the layer to maintain the color ramp I have created. Is there any specific format ...
0
votes
2answers
374 views

Using OS Mastermap SLDs in QGIS

In an answer to a question asked by @Canningmister, @tjmgis posted an excellent answer Styling OS Vectormap Local in QGIS? about making OS SLD files work in QGIS. As an amateur user who uses QGIS to ...
0
votes
1answer
32 views

Apply style to second field

I created a point shapefile in QGIS 2.01. Then, I changed the style of the points so they display the contents of the Acceleration field in the attribute table. Works exactly as I require. Now I ...
0
votes
1answer
98 views

QGIS data defined properties 'offset' syntax?

So I have a property field called 'offset', type=integer, range=0-359. The intent is to draw an svg symbol that it offset 5 units radially away from the feature coordinate at the angle (in degrees) ...
1
vote
0answers
115 views

Style manager not working to batch style group in QGIS 2.0.1

I am trying to apply batch styling to a group of layers using the style manager by setting the conditions, but the symbology does not seem to be applying. This is considering the multiqml plugin is ...
1
vote
1answer
83 views

Changing border thickness QGIS

Does any one know how to stylish a map using QGIS? Im working on some maps but when I project them in Stat Planet Plus the lines look very pointy, not curvy at all and it looks really unprofessional. ...
0
votes
1answer
160 views

How to set style in the database (QGIS)

Is it possible to set style layers in the database? (QGIS) [MySQL database] I would like to set and share my style to other users when they open the layer it's still as my style. Thank you
2
votes
1answer
59 views

How to apply the same style to different columns?

For many of my datasets I have the same imported data duplicated numerous times, each iteration displaying the data values for a different column (in my case it's fish catch weight per gridded cell ...
4
votes
0answers
175 views

QGis: Natural breaks (Jenks) - algorithm is buggy?

I don't know how the Natural Breaks (Jenks) algorithm works in QGis graduated symbolism, and I've deliberately not researched it in order to ask this question, as my point is based on what seems to be ...
1
vote
2answers
641 views

Style file to QML or SLD

I have downloaded a dataset from a government organisation. it comes with a .style file. I use QGIS 1.8 on windows 7. Is there a way to use the .style file as a qml or sld? I have tried simply ...
0
votes
1answer
74 views

qgis — style edges of layer shapefiles to have thicker borders

I have two layers I'm working with here, both of North Carolina. One is "townships" the other is "counties". I want the counties shapes to have thick edges with no fill-in color. I couldn't find ...
2
votes
2answers
364 views

Styling OS Vectormap Local in QGIS?

I am attempting to style Ordnance Survey Vectormap Local on QGIS 1.8.0 by using the styling sheets suplied by Ordnance Survey. The styling sheets are available from the OS website ...
2
votes
1answer
218 views

Is it possible to embed QGIS layer styles in a Spatialite database?

Spatialite is a great alternative to shapefiles - but how could I store the QGIS layer style together with the data so that it has a default style? For a shapefile I would just save a [name].qml with ...
1
vote
0answers
92 views

How to convert a symbol style set for ArcGIS for use in QGIS?

Is there a way to convert a symbol style set for ArcGIS for use in QGIS? There are symbols used in Incident Command I would like to use in QGIS, but can only find a style set for use in ArcGIS. The ...
2
votes
2answers
228 views

How to display arrows on pipes from upstream to downstream using QGIS?

I am trying to display arrows on pipes of a sewer network so their direction is from upstream to downstream edges of the pipes. I have managed to display those arrows on a polyline layer (which is ...
0
votes
0answers
41 views

QGIS displaying wrong colors in singleband pseudocolor style

The color of the raster under mouse position is expected to be dark red, but is green (look at the value tool - it shows 184, which is dark red): Style settings: I am using QGIS version ...
0
votes
1answer
98 views

Define transparent color in singleband pseudocolor raster layer style

Can I somehow define "transparent" color for values higher than 32000 in raster layer? See the style dialog:
2
votes
0answers
47 views

Moving legend items up and down in QGIS

How can I change sort order in layer properties styles tab? The only way I've found is to change their labels and order by it.
1
vote
0answers
144 views

Styles from Geomedia (mdb with style library) to be used in qgis?

We are trying to move some projects from Geomedia Professional to QGIS. Since we have large style libraries (stored as mdb) we are looking for a way to convert the styles to a format that QGIS can ...
3
votes
1answer
70 views

How do I make line symbols intersect cleanly without showing edges in QGIS?

I digitised a map showing electric grid lines. I merged a number of lines into a single feature. Now, I'd like these lines to be displayed so that the intersections appear continuous. At the moment, ...
0
votes
0answers
42 views

How can I display multiple categorized fields joined to the same shapefile layer in QGIS 1.8.0

I have multiple csv tables to display on the same shapefile grid layer. Using the properties box, QGIS allows me to add as many join tables as I like. The trouble is, each table needs to be ...
0
votes
1answer
54 views

How to save 'No data value' to a QGIS layer style properties?

I have many raster tif files (100+) I found this link to the MultiQml plugin very helpful, from this post: Can I change properties of several layers simultaneously? However the 'No data' values does ...
1
vote
0answers
160 views

How to load the default layer style from Postgresql with Python?

I would like to write a python macro that upon opening my QGIS project file will reload the default style for each layer from the postgres 'layer_style' table. I have had a look at the documentation ...
8
votes
1answer
1k views

How to create desire lines in QGIS?

How can I show the flow coming from an Origin-Destination matrix as desire lines? I need a result like the one in the picture below. I need to scale them proportionally to its value (coming from a ...
1
vote
1answer
127 views

QGIS offset dash line style - dash spacing does not vary with rotation

I'd like to make a USGS-style dirt road marker but with smaller dashes and bigger spacings (i.e. less duty cycle) to indicate lower quality road. First attempt = two simple lines, custom dashes of ...
2
votes
2answers
198 views

How can I create a legend with the new data defined symbols functionality?

I have a large geology data set that I need to display using an industry standard set of symbols and colours. The symbols and colours are attributes of the data. I have been using the data defined ...
2
votes
3answers
434 views

Data-defined Styles in QGIS

I have downloaded a shapefile of bedrock geology. I need it to be displayed as it should be with the style applied. The supplier will no give me a qml. but i have noticed in the .dbf file the Cyan ...
1
vote
1answer
50 views

How to combine use gradient symbols for layer properties excluding 0?

I want to visualize my data by using graduated symbols. Now, there are some objects with value "0", they should not be printed on the map (which I solved by using rule-based symbols). But, anyway, "0" ...
0
votes
1answer
69 views

Reuse same style settings for chloropleth maps based on different datasets

I am new to QGIS. I have been using MapInfo for a couple of years, but I am considering to switch to QGIS. So far I like it, but there are some things that I haven't found out yet. I want to make ...
0
votes
1answer
68 views

Why can't I see any joined string fields for categorization?

After the join I can see all my data in the attributes of the card but when I want to select statistics in the tab style to categorize, I don't see them. I see that the real type variables and not ...
1
vote
0answers
116 views

graduated pattern polygon fill

I'm sure this question is really really basic but I appeal to you because I hate the idea that I have spent 20 minutes trying to do such a simple thing... All I want to do is style a polygon layer by ...
0
votes
1answer
138 views

How do I style lines to show gradient colors for two attributes?

I have a layer with the city streets. I have a database with traffic values, including traffic going into the city and traffic going out from the city. I need to show the street links with different ...
3
votes
1answer
406 views

How to get a QGIS useable style file from OS .xml and .xsl files?

Ordnance survey provide some style files to support their vectormaplocal product. The style files appear to come in pairs, similarly named but one with a .xml extension and the other .xls The two ...