A comma-separated values (CSV) file stores tabular data (numbers and text) in plain-text form.

learn more… | top users | synonyms

1
vote
0answers
55 views

create polygons using 2 coordinates

I have a script that creates a text file containing the upper left and lower right coordinates of my geotiff files in the following format. TileName UpperLeftX UpperLeftY LowerLeftx LowerLeftY I ...
0
votes
1answer
81 views

Leaflet geoCSV Popup Customisation

I am currently using the leaflet geoCSV plugin to bring through CSV data into the map frame. I am struggling to be able to customise the popup to only show certain attributes of the CSV and different ...
1
vote
1answer
53 views

Joining two datasets based on matching values in multiple fields

I am trying to find a way to join CSV data to a vector layer only when they both share matching values in multiple fields, rather than just one field. This is a problem I'm running into with multiple ...
0
votes
0answers
19 views

How to script downloading and cleaning CSV so that it is readable in ArcMap? [duplicate]

I am very new to GIS Programming and find myself having to download CSV files from the Internet and scrubbing them (ex: removing special characters or spaces from field names) so they are readable in ...
1
vote
0answers
44 views

Read latitude/longitude to create new point grid at higher resolution

New to SE, needed to reformat my other question. Basically I'm looking at reading a CSV with longitude and latitude points (in this case housing exposure, simplified below): HUC4,Longitude,Latitude ...
1
vote
1answer
38 views

QGIS doesn't recognize numeric cell content (xls)

I want to join Excel data (numeric) to a Shapefile in QGIS. Although the cells are defined as numbers in Excel, QGIS recognizes them as string. I tried also csv, csv (windows), txt, xls, xlsx, none of ...
1
vote
2answers
174 views

Speeding up Python code to convert multiple csv to shapefile?

I am trying to work with some crime data from https://data.police.uk/data/ The data is organised in several .csv files, one for each month and each crime is geocoded with Lat and Long. As the file ...
2
votes
1answer
34 views

Open CSV with native QGIS Widget

I am writing a plugin that offers to open a CSV. I know the local path to the CSV but I don't know if it contains spatial data nor which name the X and Y could have. The best way I can think of, is ...
2
votes
2answers
128 views

How to make a square out of two points?

I have a csv file with two x and y columns. (x,y,x,y). The coordinates represent tiles which I want to visualize in ArcMap. But I dont know how to do it. As you can see in the picture below, given ...
0
votes
0answers
146 views

CSV to Polygon.SHP with Python

I'm looking for a way to convert CSV file to polygons shapefile. I need to make polygons with defined size. In the CSV file, The first row is the length of each polygon and the first column is the ...
1
vote
0answers
62 views

ESRI/SRID mismatch: How to correct?

I'm currently working with PostgreSQL and CartoDB to display X and Y coordinates converted to a geom. My shp files have been created and are displayed through CartBD. When I try and run a map view, ...
1
vote
4answers
107 views

Error when trying to save an Excel file from attribute table using QGIS

I keep getting this error (see below) when trying to save the attribute table to an Excel file using XY Tools. Can anyone help? I have deleted and re-installed xytools but this hasn't helped. An ...
0
votes
1answer
73 views

Trying to find Coordinate System for Dubai?

I have a CSV file to convert .shp. The X,Y values are like X -40219075 Y 200946341 This is somewhere in Dubai area. Can any one tell me what will be the coordinate system they used for this?
9
votes
4answers
584 views

How to reproject 500 CSV files efficiently and easily using QGIS?

I know, my question is similar to some old ones on this site. I've a lot of CSV files (geo coordinates) to import to qgis (and then to convert them), and the usual way is not the best way to do it (...
0
votes
0answers
6 views

Trouble with graduated symbols after joining shapefile with csv file Again [duplicate]

This question has already been asked: Trouble with graduated symbols after joining shapefile with csv file BUT I do not know how to create a csvt file? Having a lot of trouble with this. Is there ...
4
votes
1answer
54 views

QGIS - Import CSV column names as numbers

I want to import a CSV table (no geometry) to QGIS. The column names which are numbers (e.g. 2004) are not getting imported. This is my test CSV file: Name;Eigenschaft;2004;test derName;1;21;21 ...
2
votes
1answer
77 views

Creating a CSV with Irish Grid references and opening the points in QGIS

I have a load of Irish grid references that I need to create a map of in Ireland - any advice? Tried to input a couple of refs and open in Biological record tool thinking this would be simple but hey ...
0
votes
0answers
117 views

CartoDB data load from csv , geojson file error

I had installed CartoDB locally on my Ubuntu 12.04 and the installation was perfect. I can create dataset by CartoDB's GUI and able to visulaize data perfectly without any problem. But when i drag and ...
2
votes
1answer
74 views

CSV to Layer from a Delimited Text File in QGIS

enter image description hereI am importing a CSV file into QGIS using the official instructions on their page: http://www.qgistutorials.com/en/docs/importing_spreadsheets_csv.html. For some reason, ...
1
vote
2answers
100 views

Adding a csv layer in PyQGIS

I am trying to load a series of csv files as vectors in PyQGIS. I run this code to try to get the first one: uri='file://D:/Saved Stuff/gulags/1.40.csv?delimiter=;&yField=y&xField=x' layer = ...
1
vote
0answers
37 views

Adding multiple icons to a single csv layer

I am loading the NumberIcon1 image for every point added through the csv file, is it possible to loop through the images so that way they go in order like NumberIcon 2 for the second point in the csv ...
1
vote
0answers
301 views

Using Python to compute the distance, speed, and time between coordinates (lat/long) using haversine formula and print results within .csv

I have a .csv file with 10 columns. The first column is titled Distance_Between_Points, the second column is titled Time_Between_Points, and the third column is titled Speed_Between_Points and all ...
1
vote
0answers
389 views

MMQGIS Geocoding Error [closed]

I have a file with over 27,000 addresses, and I'm trying to geocode it using the OpenStreetMap/Nominatim web service via the MMQGIS plugin on QGIS 2.10. I keep getting an error after about 30 minutes ...
3
votes
1answer
197 views

Qgis: Export only some columns of the selected objects to CSV

I have a layer with a table containing several columns. If I right click on the layer --> Save as.. --> CSV and chose to only include my selection I get a nice CSV file with all columns for the ...
1
vote
0answers
177 views

PyQGIS export return blank .tif

I'm new to pyqgis and trying to bring up from the previous post with a little progress from the last (implemented debugging tool pdb) but now trying to export into a .tif file so that I can check on ...
1
vote
1answer
114 views

Importing CSV data with Coordinates in one column

I'm trying to import the Lat/Long coordinates from the "Location" field of a CSV from here :https://data.colorado.gov/Water/DWR-Water-Right-Net-Amounts/acsg-f33s Unfortunately the coordinates are in ...
1
vote
1answer
78 views

Export shapefile with “non standard” characters to csv and read in excel

Macbook air mid 2011 running OSX 10.10.5 QGIS 2.8.2 - Wien Excel 15.13.1 (O365) When I export a shapefile containing non-ascii characters to a csv file using QGIS (setting encoding to utf-8) and ...
0
votes
1answer
166 views

Importing updated CSV values to feature class fields?

Some time back I had a requirement to develop an automated method (Python) to update field values for a spatial points dataset in an Oracle 11g SDE database (exported to GDB for testing). Im Using Win ...
6
votes
3answers
621 views

How can I get ArcMap 10.2 to recognize a csv column as float and not int?

I am trying to show a .csv file (2 columns, 291 rows) in ArcMap 10.2 using Catalog window to drag the .csv file into ArcMap. The second column of the .csv is a floating point number (range is [0-1]), ...
1
vote
0answers
64 views

Populate empty attribute table from constantly growing CSV in QGIS

I have a Python script running that will generate a line feature from a point depending on a degree of rotation around that point. I have a non-spatial CSV setup to get fed this rotation data from ...
1
vote
3answers
101 views

QGIS, a simple way to enable colleagues access to tabular data?

This question may sound like it's a bit vague, but I think that lots of people seem to face similar issues, and on this occasion a general answer seems better than a specific focused one: I use QGIS....
1
vote
1answer
97 views

QGIS delimited text import CRS not being defined

I've recently updated to both the long term release and 2.10 versions of QGIS and the delimited text plugin has stopped working. Everytime I try to add a CSV file and say ok on the plugin it no ...
1
vote
1answer
126 views

Add date field to imported csv file

I am using a script written by John to import a csv file and make a point feature class. My table looks like this: "timestamp_pretty","mmsi","imo","shipType","lat","long","month","week" "31/12/1969 ...
0
votes
2answers
181 views

QGIS 2.10, csv points to vector grid

I have a series of point data from a .csv file that I would like to display as a heatmap raster, the .csv data have various attributes with them and I would like to adjust the color ramp based on ...
0
votes
0answers
41 views

multiple attributes in csv file to raster

I have a several large comma separated text files each with multiple attributes. Each text file is about ~2.9 GB with 21 million lines. Each line contains X, Y, VALUE1, VALUE2, VALUE3, etc. The X and ...
1
vote
1answer
26 views

Trying to create colour co-ordinated values on a map from data from a csv. file

I have a list of values for some data recorded via Magnetic susceptibility, I have these in a shapefile and want to try creating a colour map out of the values. The values that I'm using relate to, ...
0
votes
1answer
48 views

arcpy.da.SearchCursor, cannot read preceding zeros from csv

I'm using arcpy.da.SearchCursor to read a csv that has a column with preceding zeros, e.g.: myCSVColumn 0124578 12598 04589 012568 ... When using the arcpy.da.SearchCursor it returns the value w/o ...
2
votes
1answer
211 views

QGIS Reprojecting csv point file to projected CRS

This is a problem I have been struggling with quite a bit and so far have not found a good solution, so I hope to find some help here or an eyeopener where I have gone wrong so far. Using QGIS 2.10.1 ...
2
votes
0answers
227 views

Qgis delimited text layer from an excel file converted to .csv

I'm trying to add a delimited text layer using coordinates. The file has been created in excel and then converted to a csv file in the saving. When I put it into Qgis it doesn't recognise the headings-...
3
votes
2answers
435 views

Join and export .csv file as .shp in QGIS?

Here's what I'm trying to achieve: Load the required GIS layer (*.shp file) Load the .csv file in QGIS Perform the join based on common attributes in the two files Export the mapped .csv file as a ....
1
vote
0answers
82 views

Inputting Longitude and Latitude in CSV from Geotagged, Photo Coordinates (WGS 84)

I am trying to take Geotagged picture coordinates and put them into a CSV file to display in QGIS as point values. Using Picasa, I can see that the picture coordinates are in the correct locations on ...
1
vote
0answers
84 views

CSV file locked for editing after join

I have created a table join between a vector shape-file and a csv file using pyQgs. Now i want to edit the csv file (not from inside QGIS) . But when i double click on the csv file , it says that ...
1
vote
1answer
58 views

QGIS export attribute table to csv and keep value relation

If i export my joined table to csv i get the numeric id value instead of the value relation name from the joined table. Can I export my table with the value relation value? Best regards
0
votes
2answers
489 views

How can I import a csv file with varying numbers of values per row into postgres?

I am trying to import a csv file into postgres using this statement: COPY T00_import FROM E'C:\\temp\\CSV\\Aberdeen City 9051_20150212_C_01.csv' CSV; The Table T00_import is a simple table with 17 ...
1
vote
0answers
17 views

clustering categorized data

I don't know so much GIS specific terminology, so I am sorry for using the wrong words. I'll try to make my point clear by first describing what I want to achieve and then what I tried. [goal] I am ...
3
votes
1answer
131 views

Importing analytical data (CSV) with different data types into ArcGIS Desktop to generate concentration heat maps?

After reviewing all the possible related solutions to my problem, I could not piece together a solution to process and import multiple sets of groundwater analytical data that contains different data ...
1
vote
1answer
104 views

How to read non-spatial data using PyQgis?

I'm generating maps with QGis. What I do is generate a bunch of non-spatial data on a set of cities (using VBA), and still using VBA, generate a python code that will automaticaly output general map ...
0
votes
1answer
232 views

convert gdb to csv in batches

I have 88 gdb files on Arcmap that I need to export to csv format. Is it possible to do this in batches? maybe, without using the python window
0
votes
0answers
65 views

Assigning one-to-many polygon to .csv data in ArcGIS for Desktop?

So I am currently working with two separate files. One is a polygon feature class detailing a specific countries' subdistricts. These subdistricts are identified using a specific alpha-numeric code. ...
1
vote
0answers
66 views

Visualizing geo count data points in gradual colors using ArcGIS desktop?

I have data looking like the following: Latitude Longitude Class 35.773444 -78.6305752 0 38.82349688 -77.61919194 1 41.4985021 -81.7144364 1 39.9528 -75.2104 0 Longitude, latitude and ...