In QGIS is there a way to filter a layer using the Query Builder to show all values which include a particular phrase.  For example I have a list of organisations and I want to filter all those which include the word Wales.  I can do this using the attribute table but not in the map view so that the map just shows these selected features.
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I am trying to display certain features in a shapefile-based layer using QGIS. I have found the subset function in the properties panel, which does exactly what i want, but is too tedious given that I have to manually sift through a large number of features. Is there a quicker way to do this?  I am using both shapefiles and postGIS best,  dietmar
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In ArcGIS, there is a tool called "." Say you have a bunch of points. Some points fall in polygons of interest, some don't. Each polygon has a unique ID. This tool will add a field to the points and assign the unique ID of the polygon that contains it. Is there a tool that does this in QGIS?   question does not ask the same question I am.
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I have to check all the elements on a layer and I'm looking for an easy way to go through all of them. One option would be to open the attribute table and just always click on the next line and then "move to selection". I would prefer an option where I just click on an arrow or use a shortcut and QGIS just jumps to the next element, so that I don't have to be aware of not missing a line and just needing half the amount of clicks. Is there anything like that in QGIS?
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Is there a way, using Python, to duplicate a layer in QGIS as many times as the single occurrences of a variable contained in a field and with a filter applied on the duplicated layer based on the variable itself?   An example: I have layer0 with a field0 that contains var1, var2, var3, etc. I would like the layer0 duplicated to layer1, layer2, layer3 etc. so that layer1 has a filter where field0 = var1, layer2 has a filter where field0 = var2, etc.  The idea is similar to the LayersByField plugin but instead of creating a new layer for each occurrence of a variable I wish to just duplicate the "master" layer (so to avoid unnecessary files on disk)
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In QGIS there is an option to select features of a selected layer using a "identify feature" tool. Then the feature get highlighted in a different color and attribute dialog is poping up. like that i want to highlight the multiple features programatically.  Ex: I have a set of vector layers which consists of number of roads as features. I need to select few roads by looking at its attributes and highlight.  Is there any way of achieving this using python code?
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I am curious if there are any tools for QGIS to facilitate geocoding tabular data using a local linear features layer (ie, a street map with street name and address ranges - similar to geocoding in ArcGIS). I am aware of Alessandro Pasotti's GeoCoding plugin, but it queries Google Maps/OpenStreetMap rather than interpolating along line segments of a user-provided layer.  One reason I am interested in this approach is that for some projects it is desirable to have geocoded points placed exactly on features from other project-specific layers, such as the street maps provided by local services or municipalities, which may not necessarily match the positions returned by web services.  Any ideas - or any input in case I have a go at writing a solution from scratch?
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I have a map made up of multiple polygons, with a few hundred thousand points very small polygons on within it.  I need the larger polygons, but not the points small polygons.  How do I select and remove all the points small polygons, while preserving the larger polygons?  (I obviously do not want to do this manually - there are a few too many points for that!)  I'm totally new to QGIS, and I've Googled extensivey with no luck.  Probably because I'm unsure what the correct terminology to use in a Google search is!  The files I am using are a .dbf, .prj, .qpj, .shp and .shx.  I'm simply dragging the .shp file on to QGIS, and the map appears as one layer.  Basically a map of the UK divided into regions (which I want) and covered in points (which do not want).     This is what it looks like up close.  I did a dissolve to see if they'd go in to the surrounding layer, with no luck:
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In QGIS 2.14 is there any way of just showing features within the atlas from another layer. In the image the atlas feature is the red "Estates" layer and the blue buildings are the "buildings" layer.  I have created over 30 plans showing different estates. I wish to only see the buildings that are within the estates boundary and none of the others. Is this possible?
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I'm trying to label visited countries in a world map shapefile, what is wrong with my rule :   if( "Visited" = 'yes', "NAME", NULL)
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I'm completing online course GST 101 for QGIS (my version is 2.18.3) and I'm stuck on the Buffer tool.   All of my layers are set to CRS "NAD83(HARN)/New Mexico Central (ftUS) (EPSG:2903)" as instructed in the lab.   The goal is to use the query builder to filter the municipal limits in Bernalillo county down to only Albuquerque. Then after filtering create a buffer layer of 5280 ft around it.   The problem is I get an empty layer from the buffer tool with no entries in the attribute table. So I tried Buffer on the entire layer (with 0 ft buffer to pinpoint the problem areas) and this is the result.    There appears to be a number of features in this layer that aren't recognized because I would have expected the entire layer to be selected.   I've also tried the query builder to filter Albuquerque and save to a new layer. Then try to buffer the new layer, still results in an empty attribute table.  I've tried the shp file included in the lab as well as downloading the file directly from here:  (Municipal Limits / Various municipal limits in Bernalillo county / SHP File).   I'm still fairly new at GIS but I'm following a youtube video and pdf instruction but I'm clearly on a newer version of QGIS.     Any suggestions on what the problems may be?
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I managed to add QgsVectorLayer in QGIS through a python plugin, for example:  vl = self.iface.addVectorLayer(uri.uri(), layerName, self.dbConn.getProviderName())   But how can I remove it?
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I need to create one checkbox in QGIS (and qgis2web) that than will show two other layers. So basically I don't want to check two checkboxes in the layerlist, but I want to simplify this process by just checking one checkbox. I want to do this without having to merge multiple layers in one shapefile.
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I need to filter an OpenLayers layer using a CQL filter to an specific Bounding Box. Is it possible?  Something like this isn't working:  igh &gt; 5000 AND bbox(igh,20786691,22051867,-305577260,-306370356)
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I'm working with several layer stacks that have 100+ bands in QGIS. The stacks are ENVI files, all band names are properly stored in the headers. Unfortunately, QGIS will not diplay them when choosing the style or when extracting info by clicking on the map. However, QGIS will show all the names Properties->Metadata.  Isn't there any way to get the band names to show properly?
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I am attempting to get a taxonomy reference field select widget that shows a list of taxonomy terms, including some extra data from their fields. I have attempted to use the "Reference method" = "Views: Filter by an entity reference view" and then select an entity reference view I created, then in my entity reference view I have done the following:    However, this gives me only the taxonomy term name despite the settings indicating it might show all the fields inline ("Note: In 'Entity Reference' displays, all fields will be displayed inline unless an explicit selection of inline fields is made here.").
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I haven't found a similar question that already has an answer so I hope I can get one... Please forgive me if the answer is obvious. I'm using QGIS version 2.14.0-Essen on my macbook pro with OSX Yosemite 10.10.5. I am trying the simplest select features using an expression  Here is the window I get:  I right-click the field (e.g. here "DIVISION") and select say Load all unique values but nothing happens. I can check layer values beforehand and enter the correct value and it works (e.g. "DIVISION"='CENTRAL') but it's cumbersome.  So my question is: How can I get this unique values window to show?
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I've looked up some of the other Q&amp;As on this topic, however, none have addressed what I am seeking to do.  I have a large data set and I would like to search one field for any values over a certain amount (in this case 20) and if the value is larger than 20, I would like to return a value of 1 in another field, otherwise return a value of 0.  I have tried writing something with no luck.  I am using QGIS 2.8.