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

learn more… | top users | synonyms

3
votes
0answers
114 views

Joining csv file to vector layer in Processing modeler?

I am trying to join a simple csv file of values to a vector layer within Processing modeler. The match would be on an id held by both files. The csv file has no geometry. I can do this easily in ...
3
votes
0answers
214 views

Accessing existing instance of qgis from stand-alone python script

For my own data analysis pipeline, I am running a split screen setup with iPython notebooks on one side, generating variables from source data, pushing them to a csv file which qgis then reads/joins ...
3
votes
0answers
702 views

How to write vector layer to csv file with geometry by PYTHON?

I use Python try to write vector layer file to csv file with this code QgsVectorFileWriter.writeAsVectorFormat(mylayer, r'c:\temp\xyz.csv', "utf-8", None, "CSV") It can export to xyz.csv but only ...
2
votes
0answers
60 views

How to show csv data point in Arcgis

I have sought and tried many tutorials and documents without success. I have arcgis desktop 10.2.2 installed. I have added a US map as a layer. Then I do the following hoping to display all (2000+) ...
2
votes
0answers
44 views

Standard for geospatial CSV with either lat/lon or region encoding

I'm tasked with finding a standard for data providers to publish data that is linked to either points (lat/lons), postcodes, or local government areas (Australian term for councils). The data will be ...
2
votes
0answers
71 views

Is there a QGIS alternative for ArcMap's Append (to Shapefile) Data management tool?

Is there something out there for QGIS that is similar to the Append Tool in ArcMap? Reason I am looking: I am currently working on a storm drainage project that involves GPSing Storm drain lids. My ...
2
votes
0answers
192 views

ArcGIS 10.0 - problem with exporting a huge geodatabase table to CSV or DBF

ArcGIS 10.0 SP5 @ Windows XP Intel® Core™2 Quad Processor Q9650 (12M Cache, 3.00 GHz, 1333 MHz FSB) 3 GB RAM In a file geodatabase I have a point feature class with a huge amount of records (over ...
2
votes
0answers
426 views

QGIS 2.0: Automating tasks, text files and shapefiles

Wondering if it's possible to automate some repetitive tasks in QGIS (2.0). This is my general workflow for importing some xyz type text files from another software package which export (not overly ...
2
votes
0answers
120 views

QGIS - How to avoid -2147483648 value from imported CSV?

I am attempting to join a spreadsheet containing all the CIA Factbook Country Comparison Data (many columns) to the existing Natural Earth world countries shapefile. I followd the tutorial here, but ...
2
votes
0answers
318 views

Best method to convert CSV file of lat/lon and depth data to bathymetry polygon?

I'm trying to create bathymetry polygons based on lat/long and depth data. I have tried several methods and the resulting polygons are clunky. Make XY Event Layer-->Copy Features--> Project--> ...
2
votes
0answers
224 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; ...
2
votes
0answers
200 views

CSV rows to Polyline with OGR

I'm not sure if I can complete this operation in one step - but someone might be able to help me. My input file is a csv file with PointID, x, y, z and LineID columns. I'm looking to combine all ...
1
vote
0answers
31 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 ...
1
vote
0answers
27 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
40 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
0answers
11 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 ...
1
vote
0answers
24 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 ...
1
vote
0answers
18 views

Script for batch-clipping or masking rasters in R

I need a script that can do following batch process for all files in a folder: a) Clip or mask each raster layer (LAI product from MODIS MCD15A3) with a vector layer (vegetation types obtained from ...
1
vote
0answers
39 views

Geoserver CSV - changing the default comma separator

I would like to know if it is possible to change the default comma separator CSV exportation in Geoserver using semicolon i.e. as a separator. Some of the tables that I published have large text ...
1
vote
0answers
61 views

geocoding CSV using MMQGIS and error massage

While geocoding a csv file using MMQGIS utility in QGIS, I provide an input and the follwing errror message pops out, what could be the problem?
1
vote
0answers
48 views

Creating a single layer of polygons from a point layer

I have a csv file of lats and lons for points that represent the vertices of parcels of land. I want to create a polygon for each set of specific points within the csv and then create one unified ...
1
vote
0answers
81 views

Geoserver WFS 2.0 CSV Output Multiple Features/typeNames

I'm setting up an export function so that users may download data from a Geoserver WFS 2.0 service in a variety of the supported formats. The service has multiple FeatureTypes which should be ...
1
vote
0answers
24 views

Columns decimalLatitude and decimalLongitud not recognized while creating a layer from a csv file in QGIS

I'm using QGIS 2.0.1 Dufour to create a layer from a csv file. When I try to define the geometry and assign the x y coordinates sources, I'd expect QGIS to recognize the decimalLongitud and ...
1
vote
0answers
31 views

Region partitions (shapefiles) comparison in ArcMap 10

I have 2 shapefiles, in each file the region is divided into zones. Each zone from 1st ("large") file is "almost" a union of a few zones from 2nd ("small") file. Specifically, for each union in ...
1
vote
0answers
122 views

Vector points from csv file wrong location in QGIS

I am using QGIS 1.8 (I know old version), and uploaded a csv file with coordinates. The underlying basemap is from Google, using the Open layers plugin. This basemap uses WGS84-epsg3857, and my vector ...
1
vote
0answers
89 views

Error on 'Extract raster values to CSV' in batch process in QGIS

The Extract values (csv) contained a bug in the script. The below link shows how to correct the bug. Error on 'Extract raster values (CSV)' - Error executing algorithm 1 'Dataset' ...
1
vote
0answers
75 views

Categorized style hiding map

I am having an issue with the style properties of my map. I imported the US Zip Code Tabulation Area map from a government website, and in a separate excel file I have a list of people connected to ...
1
vote
0answers
119 views

Why does GeoServer's GetFeature round my numbers, but only for outputFormat=CSV?

When I make a GetFeature request with outputFormat=CSV to my GeoServer v2.4.5 I'm finding that the floating point numbers in my returned data have been rounded. When I make the same request with ...
1
vote
0answers
21 views

Can QGIS2 refresh layers without the need to reclassify each layer individually?

I have a set of layers which I'd like to have refreshed each time I open QGIS2.2.0 (Windows 7). Each of 14 layers (polygons) is linked via a join to a csv file with no geometry. The layer displays a ...
1
vote
0answers
308 views

QGIS 2.2 saving layer as CSV with GEOMETRY=AS_WKT not working

Just upgraded to QGIS 2.2 and it looks like saving a layer as CSV doesn't support GEOMETRY=AS_WKT anymore. The new Layer Options portion of the save dialog is cool but it looks like GEOMETRY and ...
1
vote
0answers
218 views

problem in using schema.ini to force ArcMap recognize field types

I have a folder of csv files (500+), and created a very long schema.ini file to force ArcMap recognize field types as I want. However, for some reason, ArcMap can read some CSV files properly; but ...
1
vote
0answers
169 views

Import csv file and use “toggle editing” and “field calculator” without Saving it as a Shapefile.

I am importing a .csv file in QGIS and I have also made the *.csvt file where I have specified my data types. I still cannot use "Toggle editing" and "field calculator".Whether I must save it as a ...
1
vote
0answers
474 views

Why does XYToLine_management give ExecuteError ERROR 999999 The table was not found?

I've written this script to import a csv file using ArcGIS' flavor of python.. ArcPy.. It seems to run fine up until the XYtoLine tool runs and then it fails.. This is the error message... Traceback ...
1
vote
0answers
144 views

Join .csv file and .shp of georeferenced points

I have georeferenced a map and saved a selection of some points on the map. These points are cities of departure and arrival and I want to join the .shp with a and excel .csv with the information of ...
1
vote
0answers
116 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 ...
1
vote
0answers
387 views

Placemark that pulls information off an excel sheet row and display's the data in the description part of the Placemark

I am trying to find out if a certain function is available to link an excel sheet with a kmz. What i need to happen is have a Placemark that pulls information off an excel sheet row and display's the ...
0
votes
0answers
14 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 ...
0
votes
0answers
42 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. ...
0
votes
0answers
36 views

Adding .CSV file

When I add my file to ArcGis SandBox it shows the data from CSV file to Layer . But when I try to Add it through ArcGis API For JavaScript it doesn't work.I'm working on localhost. Help!!! ...
0
votes
0answers
6 views

Not able to use Find by Layer feature in ArcGIS Online, when data is url .csv?

In AGOL, when using Layers linked with a url to a .csv, the 'Find' by layer feature in the Details/Edits section is not active. Meaning that layers cannot be searched using the 'Find' feature. Is it ...
0
votes
0answers
51 views

Converting lat,lon & solar data in CSV to raster using Python?

I have a csv file with lat,lon and solar radiation data. I am trying to convert it to a grid/raster format so that it can be used with a raster population data set that is in ascii format. How can ...
0
votes
0answers
70 views

How can I use a csv file with coordinates and multiple attributes to extract interpolated values for a different set of coordinates in ArcGIS?

I have a .cvs file of 501 rows that correspond to 500 coordinate points, with each row consisting of latitude, longitude for a single location, followed by a list of about 100 weather attributes ...
0
votes
0answers
80 views

Not matching schema problems when appending a list of CSV's into an existing FGDB table

So far I have the following code for creating the FGDB table and defining fields which works just fine. But when I try to append a list of csv's to this table I always get a matching schema error. Do ...
0
votes
0answers
29 views

Extracting single area with multiple layers from two different data sources

I'm very new to GIS, but I have a relatively simple project that seems almost too easy for this forum but I have been searching for an answer and no luck. I am using ArcMap. I have a state map of ...
0
votes
0answers
32 views

QGIS Import WKB csv file

I have a csv with a unique field that are the coordinates of thousands of points but in WKB format. How can I import all the features into QGIS? CSV file is like this: ...
0
votes
0answers
55 views

Getting coordinates from random directions

This is an odd question, but was wanting to know if there was a way to get coordinates from random directions. I have about 2000 directions in a spreadsheet column. There is name and a few other ...
0
votes
0answers
68 views

AutoCad Line generation from csv script

I have the coordinates of a start point, from that start point I captured the angles from a traverse boundary and distances to multiple other points. How can I set up a csv file that when I run in ...
0
votes
0answers
66 views

Is there an easier way to refresh a joined CSV?

I'm working with data that gets updated sporadically. Essentially, I have a CSV which defines which postal codes belong to certain sales reps, and these postal codes might shift around. I made ...
0
votes
0answers
19 views

Pass Data as a String Using Mapnik CVS Plugin

I am new in mapnik and c++ I need Help. I have a code written in C++ that read a data using postGis .The Sample Code is given Below: parameters p; p["type"]="postgis"; ...
0
votes
0answers
72 views

Producing latitude longitute coordinates in csv file based on place names on existing csv file

I have a code that takes the HTML code and extracts the table to put it in CSV file. I want to further take the place names inside csv file and add two columns that show lat and longitude. Here is ...