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

learn more… | top users | synonyms

4
votes
0answers
26 views

Perform QGIS modeler multiple raster calculations with data from external CSV

I need to perform multiple calculations on a set of rasters based on values in a CSV metadata file. I'm using the QGIS graphical modeler and can call a specific field in a CSV with the Table and ...
3
votes
0answers
94 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 ...
3
votes
0answers
129 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
240 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 ...
2
votes
0answers
33 views

Why does QGIS Browser 2.12.1 keep freezing/crashing when I try to view a csv data table?

I've just downloaded QGIS Lyon 2.12.1. The desktop application works great but the browser crashes whenever I try to view a csv data table. I've gotten it to work once out of ten tries. I click on ...
2
votes
0answers
85 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
46 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
348 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 ...
2
votes
0answers
230 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
537 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
124 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
359 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
237 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
206 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
9 views

Not able to progress past loading CSV in New Dataset dialog

We're getting some strange behavior in the connect dataset dialog, where, once we've selected a CSV file for upload, we get no button or feedback to continue the process. screenshot Anyone else ...
1
vote
0answers
41 views

How to convert csv file into geo database file?

I have a csv file that i want to export to a file geodatabase (*.gdb) in C#. I am currently looking into GDAL ogr2ogr commands. They have a way to convert gdb file into csv file but not the ...
1
vote
0answers
35 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 ...
1
vote
0answers
21 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
0answers
53 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
0answers
29 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
179 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
115 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
0answers
48 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
0answers
81 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
62 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
64 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
13 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
47 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
34 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
135 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
52 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
115 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
25 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
39 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
167 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
99 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
85 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
145 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
24 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
255 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
200 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
545 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
158 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
120 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
408 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
94 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 ...
0
votes
0answers
62 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 ...
0
votes
0answers
31 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
63 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
50 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!!! ...