Tagged Questions

3
votes
2answers
69 views

Does QGIS support internationalization?

Does QGIS support multiple languages? I have some shapefile with Arabic names in its attributes, and they appear as: ???? If I want to see the names in Arabic, do I need to purchase multi-language ...
4
votes
0answers
50 views

Is there an Attribute Table Feature limit?

I am copying a table with 11,000+ features but only about 700 show up on the QGIS attribute table. Is there a limit? how can I avoid this problem? Thank You in advance!
1
vote
1answer
134 views

How do you parse an HTML formatted attribute value to seperate columns in a database table?

All, I have an attribute field formatted using HTML all ready to go for google earth markers. The KML in question is here: http://dl.dropbox.com/u/95231813/state_pts_MI.kml Here is the value: ...
0
votes
0answers
90 views

Select record from table attributes in QGIS and Python

Can anyone tell how I can access to the attribute table of a shp and select a record from a specific row and column using Python (with console or a script). I've been looking for in the qgis API, but ...
3
votes
2answers
93 views

Total of attribute field of point layer per polygon layer

I have a polygon shapefile of many lakes, I also have a point shapefile of locations on those lakes where fish were caught. The point shapefile contains the attributes: Fisherman_iD, Fish_Caught, ...
4
votes
1answer
67 views

How do “join field” and “target field” work?

New user. This should be simple, but I can't figure out how to perform this basic join in QGIS. (It works in Cartographica.) My shapefile (IL_BNDY_County_Py) has two fields/columns in its attribute ...
2
votes
2answers
183 views

Why are edits in shapefile table not saved?

I have created a shapefile (point data) and wish to change some parameters in the files table data. I can edit the data and see the coresponding change in my my symbology. However, when I save the ...
2
votes
1answer
108 views

How to delete row from attribute table on QGIS1.8.0

Is it possible to delete row from attribute table!? I can delete from selecting feature. I encountered invisible polygon. I could not select feature. Thus, I would like to know how to delete from ...
2
votes
1answer
117 views

find polygon corner coordinates

I am trying to get the coordinates of each node of the polygon I create. I would like the attribute table to display the name of the polygon (ex. address) and then the coordinates of the nodes (ex. ...
1
vote
1answer
77 views

QGIS CSV file sorts low numbers as high

So I have numbers that range from 5 to above 50, and when I sort these from least to greatest, the numbers less than 10 are treated as higher than anything else. It also does the same when I try to ...
5
votes
3answers
428 views

How to determine the centroid of polygons?

I have a polygon vector and I want to quickly attain the centroid of this polygon for insertion in a text document. I am working with QGIS. I searched through other questions and although some are ...
2
votes
1answer
169 views

How to bulk delete shapefile columns?

I have shape-file with next attribute table: - name of features, unique number for each feature of layer I must split shape-file by NAME field, but in result in attribute tables of layers should be ...
5
votes
0answers
121 views

How to add shapefile name as attribute during merge? [duplicate]

Possible Duplicate: How to add field with filename when merging shapefiles with ogr2ogr? I have more 200 shapefiles with a unique name. I would like to merge all of these together and save ...
5
votes
2answers
202 views

How to add a sequence to the attribute table?

Is there a way to use the field calculator in QGIS to create a range of values in a count sequence with a specified input range? For example, if I wanted to have the values 1 to 5 repeated within my ...
2
votes
1answer
259 views

QGIS Attribute Table Not Displaying Data

Using QGIS and one minute I could see the attribute table, the next minute I couldn't. Using QGIS on Linux Mint 13. I tried purge/autoclean/reinstall to get a completely new download of all ...
5
votes
3answers
312 views

Is it possible, in QGIS, to create buffers with a set radius, but with individual values taken from the attribute table?

I am looking to create an output that consists of an 11KM buffer around a number of discrete points, where the buffer has a value defined by a column in the data sets attribute table. Is this ...
3
votes
1answer
861 views

How do I edit shape file attribute tables so they all have the same information?

I am trying to merge several pipeline shapefiles using GEOMERGE but it cannot complete the function because they have different column definitions. So I need to edit the attribute tables so that ...
3
votes
1answer
342 views

Can I access a raster attribute table in QGIS?

I have some Python code that makes Raster Attribute Tables for GeoTiffs using GDAL. In ArcGIS I can see these attribute tables fine and they behave how I like (as classifications). But in QGIS the ...
1
vote
1answer
134 views

Is it possible to edit Delimited Text Layers in QGIS?

GIS beginner here... I have a tab-delimited text file that I'm importing into QGIS just fine. But I try to edit the attribute table, the little pencil-looking button is grayed out, and it's not ...
0
votes
0answers
299 views

Where do I find the Table Manager plugin in QGIS 1,8? [closed]

I've QGIS 1.8 installed. I can't find the "table manager" plugin when I fetch all plugins and perform a search. Does anyone know where it is?
0
votes
1answer
152 views

Edit multiple tables with the same structure at the same time?

does anyone know how to edit multiple tables at the same time? I have multiple .tab files and I want to change the order of the fields. Is there any way to do this for all of them at once. They all ...
0
votes
2answers
188 views

Primary key field hidden on attribute table added to QGIS

I'm having the following issue with QGIS. Adding a sqlite text table (Layer > Add Vector Table) QGIS hides the primary key field (having name id). I understand also QGIS uses this field as unique id, ...
1
vote
2answers
417 views

How to change position of columns in attribute table?

If I have an attribute table with columns A B C D, is it possible to move the columns to different positions, say, B C A D? When making a new column with the field calculator it would be useful to put ...
1
vote
1answer
149 views

Could not commit changes to layer X

I am editing a layer's (Z) attribute table. I made some columns, used the field calculator to fill them up, made some more, went back and deleted some and then tried to save the edits and got the ...
1
vote
3answers
244 views

Deleting columns from joined attribute table in QGIS

After joining the attribute tables from two layers, I have a lot of duplicate columns on my table, making it hard to read. However, even when in "edit" mode I am unable to select and delete columns. ...
2
votes
2answers
75 views

“show only visible features” doesn't seem to work

I'm trying (unsuccesfully) to place the attribute table next to a map containing the same in print composer. Let's say for example my map in the primary window contains 6 districts and my map in the ...
5
votes
3answers
3k views

How to change a CSV layer attribute value from text to number?

I read in a CSV file for linking to a .shp file. All the variables that are just numbers came in as text. How do I change the text variables to numeric in QGIS?
1
vote
1answer
277 views

Where is Table Manager in QGIS 1.7.x?

I would like to ask you, if is available funcionality like "Table Manager" for QGIS 1.7.x? I need to move fields in attribute table and then save changes. I don't see "Table Manager" or something ...
4
votes
3answers
2k views

How to export highlighted features from attribute table to an excel file?

When i selected some portion of the map in QGIS, in the attribute table the selected features gets highlighted... How to export the highlighted features from attribute table to an excel file ...
5
votes
1answer
371 views

How to fill my column with consecutive numbers

I m very new to Qgis, so forgive this simple question. Searching in older topics didn t help either.So: I make a new column in my attribute table and it has a default value(for example 0). I want to ...
2
votes
1answer
1k views

How to find polygons centroids? [duplicate]

Possible Duplicate: Get list of coordinates for points in a layer? Sorry for another basic question - my map is almost done but now my boss wants me to enter new outbreaks (that we don't ...
1
vote
1answer
183 views

How can the scale be projected correctly in Quantum GIS when it is imported from google earth (KML) files?

While importing KML files from google Earth to Quantum GIS, the scale is not being projected properly and the area of a particular selected feature is not being calculated in the attribute table by ...
0
votes
0answers
34 views

How we add XY coordinates (in the attribut table) from shapefile (points) using QGIS? [duplicate]

Possible Duplicate: How to get the coordinates in Lat/long from a point layer? I created a new shape file and edited to add points at specific location. Now, I would like to extract the XY ...
2
votes
2answers
268 views

Why does the attribute Table not maintain input data?

for a longer time I have a problem with the attribute table. I create the polygons on the map, I fill up the table with attributes. Then, if I click "save", all the data from the table are being ...
5
votes
2answers
632 views

How to select features with NULL attributes in QGIS?

I need to identify which features have null attributes in the attribute table of a shapefile. When i try [field]= 'NULL' it selects the features with value=0 (see picture) Suggestions?
5
votes
1answer
636 views

Join attributes of point and line layer by location (closest distance) in QGIS

My problem is the following: i have a line shp (target layer) and a point shp (join layer). the second one (point layer) holds an attribute which i want to join with a line layer based on closest ...