Tagged Questions
0
votes
0answers
22 views
Use QuantumGIS to bulk-import csv files
I have a large set of .csv-files containing geographic information. Every dataset consists out of 2 .csv-files! This is my folder-structure. All files in Tracks are formatted equally and all in Routes ...
2
votes
1answer
64 views
importing coordinates via a csv file does not work
I tried to manually add point data via a CSV file to an empty project in QGIS 1.8.0. The points do show up all right with the correct coordinates, but already the scale is not correct (using the ...
0
votes
1answer
104 views
CSV and GDAL 1.10 in QGIS
It seems the GDAL upgrade from 1.9 to 1.10 changed the way CSV files are handled so that I now have a non-functioning QGIS. App hangs trying to import csv data file when previously had no problems ...
4
votes
2answers
145 views
QGIS import polygons in CSV
QGIS 1.8 on Mac: I'm hoping to migrate several dozen local maps from my 30 year old Win3.1 plotting system to QGIS. Polygons are in X,Y (CSV), first point repeated at the end to close it, with ...
0
votes
2answers
68 views
Why is QGIS reading in my CSV numeric data as string data, and how do I change it? [duplicate]
QGIS keeps reading in my numeric data from .csv files as string data. This means I have to figure out how to read it in with the proper data type, or convert it back to numeric inside of QGIS, ...
0
votes
1answer
67 views
Problem with encoding of CSV and SHP files in Linux
I am new to using QGIS. I came up against the encoding issue of shp files.
This solution to solved my problem in Windows (for source I had to put windows-1253 instead of utf-8)
My question is what ...
2
votes
2answers
86 views
How do I plot data stored in an attribute table (really in a database) in qgis
I have a csv of UK postcodes from Ordnance Survey that looks like
SE1 0AA,10,531869,179427,E92000001,E19000003,E18000007,E09000028,E05000536
When I import to QGIS using 'Add Delimited Text Layer', ...
2
votes
0answers
95 views
Plot csv data on a map
My boundaries shape file has the following attributes; CODE, PROVINCE, AREA, SHAPE_LENG and SHAPE_AREA (note that there are no geo- coordinates). My data on the csv file has the following fields; ...
1
vote
0answers
84 views
'File is too big' error when uploading QGIS Plugin
I have written a simple QGIS plugin which zooms the map canvas to a user specified UK postcode. I would like to share the plugin but the csv file, which contains stripped down OS Code-Point open data ...
2
votes
2answers
221 views
Importing Lat/Long coordinates as CSV file & only displaying single point in QGIS
I am using QGIS and trying to import Lat/Long coordinates as delimited text layer. All points show up in my attribute table, however, only one point is displayed on the map? Any ideas?
1
vote
2answers
116 views
Error adding a delimited text layer in QGIS [closed]
I'm a GIS beginner here. I'm trying to add a delimited text layer in QGIS. The plug-in is okay. I have created a table in Excel, saved as CSV file, imported the file with QGIS, selected the delimiters ...
5
votes
1answer
148 views
How to convert coordinates in a .csv into another CRS in QGIS
How can I convert coordinates which are stored in a csv and in a certain format in a different CRS, i. e. I want to convert GK 3 (EPSG:31467) into WGS 84 (EPSG:4326).
I am using QGIS and already ...
1
vote
3answers
118 views
Why does QGIS not detect the CSV/DBF column headers?
I am trying to import a csv or dbf into qGIS so I can perform a join on a shapefile. However, qGIS is not detecting the first row as header names. I know I've done similar joins before and there's ...
2
votes
1answer
85 views
How to add point coordinates to a non geo-referenced csv file?
I have a csv file with information but not georeferenced. I'd like to load it in QGIS and add points (with coordinates) in the same file and later save as a shapefile. Is there any way to doing that ...
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
2answers
308 views
What is XYZ format in QGIS?
Basic question, but I have been asked to export data to an XYZ format. Is this the same as CSV files.
I am using QGIS 1.8.0. So i am presuming i select the data I want to export, right click its ...
8
votes
1answer
137 views
Why are some columns not recognized as numeric even though I have a CSVT?
I have problems importing a .csv file.
Some Values of the file are not supposed to be formated in text style, but in number style, thus i created an additional .csvt file like explained here.
Both ...
1
vote
2answers
151 views
What's the correct csv format for MMQGIS Join by attribute?
When trying to join attributes from CSV-file with MMQGIS, I currently get the error message:
File inaccessible or in unrecognized CSV format /Netzplanung/Truck_park/trkbuspk15_2.csv
Tried with ...
5
votes
1answer
491 views
Create a csv with geometry as WKT in QGIS (and choosing the field delimiter)
Is there a way to choose the field delimiter when exporting to CSV with geometry as wkt in QGIS?
I have a shapefile with donut holes and I'd like to export it as a CSV. It's for a partner whose DB ...
3
votes
1answer
86 views
Import CSV: Is there a cap for number of row
I am trying to import several CSV files which contain more than 1,000 rows respectively.
However, but only 129 records were only imported each file.
Can't see any options that deal with this?
I am ...
1
vote
1answer
88 views
Transform csv-coordinates into area
I'm working with an inventory of a species in Southern Sweden. I have recorded my findings (together with coordinates, name of the species and year of finding) and created a CSV-file with i have ...
1
vote
0answers
127 views
Why is my .csvt not recognized? [closed]
I am trying to associate a .csvt file with a .csv file, so QGIS doesn't insist on calling all the fields text strings (thereby preventing the use of graduated symbols). I used the syntax described by ...
3
votes
2answers
109 views
How can I create a portable script for coordinate conversions to run from USB?
I would like to be able to convert Lat long values in wgs84 to the swedish RT90, the values are in CSV files under headings X and Y. I would like to have this portable, an eg runned in a script in ...
3
votes
1answer
73 views
How do you create a CSVT on a Mac?
I am working with QGIS on a Mac, and understand the process for importing a CSV file. But I do not know how to create the CSVT file to define the CSV file's data types. Can someone please instruct me ...
3
votes
2answers
634 views
How to edit Shapefile Attributes?
How might I go about exporting a polygon shapefile (e.g. CSV) so that attributes (not geometry) are editable by others, and importing it with the changed attributes (of which there are several columns ...
3
votes
1answer
104 views
How can I reload a csv-file within qgis
I use Qgis to illustrate the results from my Matlab simulation. Matlab produces a csv-file which is connected to a shapefile within Qgis.
At the moment I have to close and reopen Qgis to show the new ...
2
votes
1answer
636 views
encoding problem with QGIS 1.8 and CSV import
I have following problem with QGIS 1.8. Lisboa (standalone installer, Win 7 Pro 64bit) - I import CSV - text in CP1250 separated with ";" and using "," as decimal separator.
I correctly set the ...
2
votes
2answers
988 views
How to convert a point grid to a raster?
If I load the original .csv file, I then have a map of the African continent represented by 14069 data points covering it at 40x40km resolution. Each data point shows solar radiation means across the ...
4
votes
1answer
1k views
Import polylines and polygons into QGIS from CSV
I'm assuming this is a simple question, though my efforts have not yet found the answer!
I want to import a large number of polylines and/ or polygons into one one or more QGIS layers in order to ...
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?
5
votes
1answer
210 views
How do I avoid text field truncation when saving a table join?
Using QGIS I've joined tabular text data (all in fields of less than 255 characters) to a shapefile via a CSV file. All looks good in the joined table but when I save to a new shapefile to make the ...
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 ...
1
vote
1answer
146 views
Exporting data from a WFS service to csv file using qgis
I have a service that contains a list of points with some meta data and I would like to export this to a csv file. I remember doing this some months ago and it worked well, but now I can't find the ...
5
votes
2answers
3k views
How to export Polygons to CSV with coordinates?
I am very new to QGIS, so please bear with me.
I have a ".shp" file, which is contains a set of boundaries for suburbs of Australia. I opened it to QGIS and I would like to export it into a CSV file ...
