All Questions
42
questions
0
votes
0
answers
33
views
Imported CSV files from Fieldmove and QGIS only displayed as lists
Downloaded some .csv data for an assignment I need to do (from fieldmove specifically), and am trying to display a single point for which i downloaded said data as a csv. file. However, when i try to ...
0
votes
0
answers
30
views
How to generate CSV file for polygons to show in QGIS
My table looks like this:
but adding this as a text defined layer hasn't got me anywhere as X and Y are not clearly defined.
I am new to QGIS.
- 11
1
vote
0
answers
33
views
Accented characters in CSV file appear as '?' when importing to QGIS 3.34.2 [duplicate]
I am trying to import a CSV set of data to join to a shapefile in QGIS but the accented characters and ñ character are displayed as missing in the attribute table and performing a join is impossible.
- 11
2
votes
1
answer
70
views
"Incorrect parameter value for LAYERS" error when saving CSV to GeoPackage with PyQGIS
I am using QGIS 3.32.3 and am trying to save a CSV file to a GeoPackage with PyQGIS using the current directory as part of the string. When trying to do this it shows:
'Incorrect parameter value for ...
- 23
1
vote
2
answers
265
views
Transforming QgsPoint from one CRS to another using PyQGIS
I would like to change the coordinates of QgsPoints imported from a csv file before saving it in shapefile.
I succeed to do all the step except the crs transformation, the output is keeping EPSG: 4326 ...
- 265
1
vote
1
answer
157
views
PyQGIS export layers to CSV
This code exports all layers starting with xxx_ to CSV format. But all fields are exported as string. How can I export the fields with numbers as integer or double?
#
#https://gis.stackexchange.com/...
- 329
3
votes
1
answer
298
views
Adding vectors (segments) connecting pairs of points from CSV file in QGIS [duplicate]
a) Given: In QGIS 3.28 I have two sets of points: Points M and Points N (See embedded image), given by their coordinates in a CSV file.
b) Required: A set of vectors (or segments) connecting the pairs ...
- 67
2
votes
1
answer
332
views
Setting different symbols for a CSV layer with attribute "Type"
I have a CSV file with columns:
Name
Latitude
Longitude
Type (values: Hotel, View)
I have this displaying correctly with Name displayed by each point. I would like to have different symbols ...
- 431
1
vote
3
answers
246
views
Coordinates appearing off coast of Ireland regardless of projection set
I have a CSV dataset containing XYZ information in which I've imported into QGIS.
Edit: Imported via following process.
Open Data Source Manager --> Add Delimited Text
Open CSV and select X, Y and ...
2
votes
1
answer
361
views
Plotting two sets of XY coordinates from same vector import file
I have written a QGIS plugin that creates a .CSV file and imports it into QGIS. In it there are two pairs of XY data in columns. I have the script to import the .CSV as a layer and specify one of ...
- 455
1
vote
1
answer
148
views
Adding wkt.csv file to QGIS 3 project using script
I have written a plugin using the Plugin_Builder tool. It takes a CSV, rearranges it and adds a column of WKT coordinates in the style LINESTRING(x1 y1,x2 y2). It then writes it as a new .csv.
This ...
- 455
2
votes
4
answers
176
views
QGIS regular expression while importing delimited text
I have a CSV file with following format :
UTC,Callsign,Position,Altitude
2021-05-11T11:44:38Z,FABCD,"28.084,7.452",500
...
So I can't import with personalized delimiters. I tried to use ...
- 1,293
4
votes
2
answers
1k
views
Batch exporting GeoPackage attribute table to CSV in QGIS
I have a large quantity (200+) of GeoPackage files, and I want to export the attributes table of all of them to CSV's. Is there a way I can do that in the GUI or with a Plugin for QGIS 3.16.15?
...
- 65
2
votes
1
answer
293
views
Find and delete duplicate rows in matrix in QGIS 3.6
I used the OD Matrix to produce a list of the distances between all sites to all other sites via a network. This process produces duplicates, since it makes calculations in both directions, i.e., from ...
- 87
0
votes
1
answer
124
views
Rendering CSV file as annotation on QgsMapCanvas
I am trying to render a CSV file as an annotation layer on QgsmapCanvas using QGIS3 C++ API.
but when I make a vector layer using "delimitedtext" as data provider and test layer->isvalid()...
- 95