Questions tagged [data]
Any collection of related facts arranged in a particular format; often, the basic elements of information that are produced, stored, or processed by a computer.
1,612
questions
-3
votes
0
answers
34
views
Looking for blank/boundaries only maps of Spain [closed]
I am looking for a shapefile of a blank/boundary only map of Spain. I've tried looking at IGN but I couldn't find anything.
- 1
-2
votes
0
answers
17
views
Sequoia 2000 benchmark data
I'm recreating the DBSCAN cluster algorithm which uses the Sequoia 2000 benchmark dataset. There's an old question here that has a link for the dataset, but I've been doing more research and I can't ...
-1
votes
0
answers
7
views
Global hydrological drought SDI and SRI data sets
I am an ecological researcher and I am doing research in ecology. I wanted to know how to calculate hydrological drought (SDI/SRI), and I tried searching on google for remote sensing products in this ...
- 1
0
votes
1
answer
9
views
How to set logoUrl to display the logo image in the THREDDS data server?
According to https://docs.unidata.ucar.edu/tds/5.2/userguide/tds_config_ref.html#server-information:
The best way to use your own logo is to put it in the
${tds.content.root.path}/thredds/public/ ...
- 11
-1
votes
0
answers
23
views
Looking for road area - shapefile, UK
Does anyone know where you can download the road networks for the UK, outlining the whole road. I have found many shapefiles for just the road network/link showing a singular narrow line, but I am ...
- 1
-1
votes
0
answers
16
views
Seeking administrative boundaries for neighborhood councils (NCs) of Nowshera, Pakistan
I am trying to find administrative boundary shapefiles for neighborhood councils (NCs) of Nowshera (Pakistan). The only available data I could find was only up to union-council dataset. Has anyone ...
- 1
0
votes
0
answers
27
views
Repository where I can find old / obsolete ISO3166 codes of countries including previously existing ones
Where can I find old ISO3166 codes for countries including the ones that do not exist anymore, changed their name, etc.? I need this for all years 1961 through 2021. All I could find online was up to ...
- 109
-1
votes
1
answer
31
views
Canadian Cities as points [closed]
I'm looking for a dataset with Canadian cities as points. I only need this for the Greater Toronto and Hamilton Area (GTHA).
- 3
0
votes
0
answers
27
views
Looking for national landscape character typology - England
Natural England had created a landscape character type dataset which was available on Magic (https://magic.defra.gov.uk/magicmap.aspx), though it has since been removed - or the licence has. Is this ...
- 11
0
votes
0
answers
59
views
Terra/geodata world map cropping issues, possibly due to truncated extent
Cropping geodata world map across Greenwich (not exactly though) or close to the poles gives a "Topology Exception" error on RStudio (Posit) cloud, although not on RStudio desktop. Also, the ...
- 3
0
votes
2
answers
191
views
Triangulated Irregular Network (TIN) as a type of data in GIS
I'm taking an online GIS course of a reputed university and the instructor categorized GIS data types as
Raster
Vector, and
Triangulated Irregular Network (TIN).
Now I know that TIN is a vector ...
- 9
0
votes
0
answers
40
views
Issues with QGIS map projection and symbolizing point data
First off, I am using version 3.28 QGIS-LR on a Macbook 2015. I am currently taking an introduction course to GIS. One of the assignments was learning to project maps and visualize point data using ...
0
votes
0
answers
200
views
Download and Data Errors with 5 of WorldCLIM’s CMIP6 Future Climate Data models
I'm experiencing some data issues specifically for the following WorldCLIM’s CMIP6 Future Climate Data models, available at https://www.worldclim.org/data/cmip6/cmip6_clim30s.html
Data details:
...
- 1
7
votes
1
answer
69
views
Finding out date format in the list of house numbers in QGIS
In my dataset, the data which contains house numbers are converted to date format in QGIS. Is there any script or tool to identify and convert them to normal format?
E.g. Case:
Actual Door No format ...
- 839
0
votes
0
answers
68
views
Download error in QField
I was not able to see the polygones and everything I worked on in the QField app in QGIS.
So I deleted the data from the local Storage. Since than it was stored in the Cloudan dI can see it on the ...
- 1
0
votes
1
answer
57
views
Get values from raster file in R
I have never used satellite data and I'm using NASA's information of PM2.5 "Global Annual PM2.5 Grids from MODIS, MISR and SeaWiFS Aerosol Optical Depth (AOD), 1998-2019, V4.GL.03", I got it ...
- 3
0
votes
1
answer
59
views
Converting VICAR data to TIFF
I want to convert the VICAR data found at this ASU link
to TIFF that I can use in ArcGIS Pro.
How am I able to do this?
- 21
-1
votes
1
answer
99
views
Can't find symbology layer for ESRI Global Land Cover
I have downloaded part of the ESRI Global Land Cover (https://livingatlas.arcgis.com/landcover/) as a raster but I am missing the symbology/legend info. The raster obviously contains numerical values ...
- 726
-1
votes
1
answer
39
views
Seeking atmospheric WMS data for South America and Brazil
I'm working in a environmental project in Brazil and I need to create, if possible, a map service to show atmospheric conditions.
I'm looking for a WMS source to show cloud and another atmospheric ...
-1
votes
1
answer
288
views
Sourcing GIS map and shapefile of Sudan
I have no prior knowledge with GIS.
I am looking to source a GIS map of Sudan (North Sudan) after the succession (2010) projecting the states of Sudan.
I also need to get a shapefile of Sudan.
I have ...
4
votes
1
answer
302
views
Why GADM state/county shapefile for Kenya does not line up with OpenStreetMap data?
I am fairly new to QGIS and am using XYZ Tiles for OpenStreetMap and shapefile layers from GADM to see boundaries in Kenya (to start).
I have an OpenStreetMap layer and gadm41_Ken_1.shp layer and the ...
- 41
0
votes
1
answer
166
views
Cadastral areas of Ukraine [closed]
I´m looking for cadastral areas of villages of Ukraine. Is there some available that can be used to work with them in Qgis?
1
vote
1
answer
36
views
Merge shapefiles with different divisions
I have two shapefiles with similar borders but different internal divisions. One shapefiles shows schools' catchment areas and I have a field "mobility". In the other shapefile, there are ...
- 348
0
votes
0
answers
112
views
Download the data of a picture Sentinel-5P
I am researching about air pollution in Tehran. While I want to export data about parameters like NO2, SO2 or HCHO in Sentinel-5P, in Google Earth Engine, the data that export in CSV are different ...
0
votes
0
answers
74
views
Floating car data / Floating mobile data in open source
Someone know if it's possible to find Floating car data (FCD) or Floating mobile data (FMD) in open source?
I found that you can make live map for airplane with the open source website "opensky ...
- 11
-1
votes
1
answer
126
views
Official road and rail networks of Brazil [closed]
I am looking for the official road and rail networks of Brazil, produced by a government department. I haven't been able to find it on the IGBE website and the Humanitarian Data Exchange utilises a ...
- 93
0
votes
0
answers
40
views
QFields date gone but still here
I used QField on my iPhone for my work and synchronize my data on QFieldCloud but after when I opened my maps in QGIS and my phone The data is gone, but the problem is that I can still see my data on &...
- 1
1
vote
0
answers
68
views
Raster data are shown but can't be clipped or changed
I'm struggling with a new problem on QGIS 3.30. Here's what I want to do:
I downloaded raster data from my country in .img and can easily import them from my local driver into QGIS. The problem: After ...
2
votes
1
answer
127
views
Prioritise label by field containing data importance in the data QGIS
I have a file with many labels to show on a map. However, I want to prioritize the label by it's data. Example if my data says 3000 people live in a city, I want to prioritize this over the one that ...
- 21
3
votes
0
answers
114
views
Coordinates: optimizing a table that contains lng/lat coordinates for clustering (in PostGIS)
I have table in PostGIS where I store coordinates in the 4326 lng/lat SRID, to make it easy to store GPS coordinates collected from mobile devices.
I'm using the coordinates to query the table based ...
- 31
-1
votes
1
answer
78
views
Check whether an element is maintained over time [closed]
I have a 6 years time series with a thousand of detections of elements in cities (all databases have the same structure).
Year
geometry
Area-m2
2000
POINT (-122.38705 37.72066)
37.326319
2000
POINT ...
0
votes
1
answer
208
views
Download NDVI data in Excel for every country in the world from 1982 to 2016
I am a research intern and I need to get the average monthly NDVI for all countries in the world in an Excel file.
How can I do this?
I have already tried with NASA EarthData, Copernicus, Google Earth ...
- 11
1
vote
1
answer
91
views
QGIS 3.28.3 Firenze - How to show info in a GeoJSON file imported as a raster next to the concerned points
I'm having problems with GeoJSON files from the renass.unistra.fr/ site. Those contains seismic data build this way:
{"features":[
{"geometry":{"coordinates":[0....
- 13
-1
votes
1
answer
39
views
Looking for the giant list of municipalities of the world
I have a newbie question, but one that didn't seem to match earlier questions. I need a complete list of municipalities and their location for a bunch of countries. The data I need is just name, ...
- 97
0
votes
0
answers
35
views
Time format/ data display changes following join then export to data
I am working on a simple join of data in an excel table to create an attribute table from kml's that were converted to polygons. The join works perfectly, however when exporting the data as a new ...
- 1
-2
votes
1
answer
93
views
How to only get the population per country with World Bank Open Data
I try to get the population of every country with an API, but I looked at the World Bank Open Data but I can't find just the population of each country.
I looked, and I find lots and lots of data ...
- 101
0
votes
0
answers
70
views
Data sources that can be used to retrieve country from latitude, longitude, and date
I have seen countless questions asking about converting latitude / longitude coordinates into country, state, town, etc., but I found no question which includes a time component. I have tried many ...
- 109
-1
votes
1
answer
423
views
How to download the Sentinel-3 OLCI WFR data
I am interested in Sentinel-3 data concerning water parameters: OLCI WFR at level 2.
I've never used Sentinel data before so probably I am just doing something wrong. Based on the Sentinel User Guide ...
- 99
-1
votes
1
answer
311
views
Where can I find a map of US county boundaries that reasonably shows the boundaries over bodies of water?
Census, ESRI, and others provide shapefiles and feature classes of US county boundaries, but all the data sets I can find seem to clip the boundaries at the shoreline. So they really only show the ...
- 13
-1
votes
1
answer
142
views
Getting high resolution DEM for a location [closed]
As a part of my project, I want high resolution (10m approx) DEM for my desired location.
How and where can I get it?
I already tried with 30m DEM obtained from USGS.
I am getting blurry DEM, if I ...
0
votes
1
answer
102
views
Seeking polygon data for Germany's urban areas (metropolitan areas) [closed]
I am currently working on a project where I would like to showcase trend differences between rural vs. urban areas in Germany. I am wondering if anyone in this site is able to point me to a resource ...
- 11
-1
votes
1
answer
353
views
Seeking parcel boundaries data for Germany or Sweden? [closed]
I'm trying to find parcel data (property boundaries) in a GIS format.
I tried googling and nothing is coming up.
I would pay for a vendor like CoreLogic or ReportAll that have parcel data only in the ...
- 149
-2
votes
1
answer
200
views
Finding intervals of latitude/longitude of cities throughout the world at 0.01° precision [closed]
Geographical coordinates determine a specific point on a map.
I am searching for the coordinates interval (thus to frame the area) of different large cities by latitude/longitude at a 0.01°x0.01° ...
- 39
0
votes
0
answers
154
views
How do parcels relate to United States Census hierarchy?
The United States Census Bureau operates on the Standard Hierarchy of Census Geographic Entities, which ranges from NATION (n=1) to Census Blocks (n=8.1 million as of 2022).
It is my understanding '...
- 109
0
votes
2
answers
670
views
Seeking Italy building shapefile [closed]
I'm looking for a buildings layer shapefile for Italy but the one I can find for free here looks incomplete in comparison to when I do a sense check against Google Earth: https://mapcruzin.com/free-...
- 11
0
votes
2
answers
227
views
Downloading recent GRACE data
I have been doing GRACE data processing in GEE, but from what I can tell - only the first mission's data (dating from 2002/04 to 2017/01) is accessible through the library for import.
Can I access ...
- 9
0
votes
1
answer
2k
views
Seeking Europe shapefile with boundaries [closed]
Where can I find a simple shapefile or Geopackage file for Europe with boundaries?
0
votes
1
answer
592
views
Seeking FREE satellite images than ones provided by MapBox [closed]
I have made a desktop map system for myself with NW.js, MapBox GL JS and MapBox.com's free satellite pictures.
I don't have money to pay anyone.
While it's cool and fun to use, it's largely ruined by ...
- 9
1
vote
1
answer
126
views
Accessing historical precipitation data outside of GEE
I'm looking for historical and also present climate data for some polygons I have.
I would like to be able to access rainfall data for these points. I cannot use GEE and was struggling to find a good ...
- 2,139
0
votes
1
answer
410
views
World hexmap based on IPCC AR6: matching country codes with WGI reference regions
I would like to reproduce the hex maps used in the IPCC AR6 report.
Is there a publicly available lookup table to match country codes with WGI reference regions?
This isn't available through the IPCC ...
- 835