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.

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Are there any datasets available for daily MODIS aerosol data within Google Earth Engine?

I'm new to Google Earth Engine, and I have been unable to find whether or not there are any daily products for aerosol optical depth data for MODIS. I have found a monthly composite, but I have only ...
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1answer
38 views

How are GeoTIFF and JPEG created? [on hold]

How are they related to raster data and what GIS software is capable of proccessing these two image formats?
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1answer
25 views

Making one to many to many Attribute Relationships

I am making relationship between three tables in QGIS 3.8 version ("ACTIVE SITE","FUEL_TANK","REFUEL"). The primary key and the foreign key for the Tables are as follow the primary keys are "ACTIVE ...
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Seeking MODIS Point Collection with more specific Time Of Day for Google Earth Engine?

I am trying to find a more specific time of day (hourly data) for MODIS satellite imagery at specific feature points across the United States with Google Earth Engine, and I am only finding metadata ...
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3answers
42 views

Seeking data for São Tomé and Príncipe?

I am a total GIS beginner and have been trying to make some simple maps of the nation of São Tomé and Príncipe using QGIS and publicly available data. The readily available data I find comes from OSM. ...
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23 views

Seeking high resolution real-color (RGB imagery) dataset?

Specifically interested in the the South Florida region, USA. The aim is to pull up high quality aerials to detect manholes and wellheads from space! These things can typically be half a foot to a ...
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1answer
39 views

Copyright of using geospatial data from the internet [closed]

I am curious about what kind of copyright does geospatial data that can be downloaded from the internet have. For example, if I want to use data like OSM data, satellite imagery data etc to make ...
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1answer
17 views

Netherlands census data by municipality (gemeente)

I am looking for Dutch Census data (period 2012-2019), aggregated at the gemeente level (municipality), covering basic population statistics (number of people, gender, age, ethnicity, etc). The ...
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17 views

Download traffic signs as geodata (e.g. GeoJSON) from OpenStreetCam

Do you know any way to download traffic sign data (stop signs, give ways etc.) in a geographical format (KML, GeoJSON, Shapefile...) from OpenStreetCam?
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22 views

Recognized, calibrated test points for a rangefinding function?

I'm trying to find out if there are scientifically accepted calibration points to measure the effectiveness of a geodetic distance finding function. So far I've been using the listed latitude / ...
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1answer
30 views

Seeking list of geodetic benchmark locations for all of Canada? [duplicate]

Does anyone know where I can find a list of geodetic benchmark locations for all of Canada? I am looking for a few specific control monuments in Arctic Canada with accurate coordinates
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23 views

Seeking DEM for Northern England to produce slope map?

I'd like to make a slope map of northwest England (the Yorkshire Dales, to be exact) that can be used with a 3D viewer such as Google Earth to identify slopes that are steep enough for paragliding. A ...
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Need mountain ranges of North America polygon shape file for QGIS [duplicate]

Can anyone recommend a polygon shape file of the North American mountain ranges, and the website I can download it from? Something like the attached image, except I don't know where the attached image ...
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1answer
43 views

Seeking Shapefile of World countries with national currency attribute?

I looking for Shapefile of a World countries having an attribute of the national currency, do you know how can I get that ?
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1answer
30 views

Seeking polygons that map out land zone type (ie Residential, Industrial, Commercial) in UK?

I'm looking at displaying the commercial and industrial areas of the UK on QGIS so that I can do some work on them. I'm not looking to add my own data to it, merely find a shapefile or geopackage or ...
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1answer
34 views

Seeking TopoJSON map of Chinese provinces which includes Hong Kong, Macau and Taiwan?

I have a TopoJSON map of China which is working well in d3.js. However, it is essential that I add Hong Kong, Macau/Macao and Taiwan to the map, but they are not included in the TopoJSON file. I have ...
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1answer
17 views

Seeking SA Suburbs GIS shapefile?

Can you provide a link to the South Africa Suburbs shapefile or specifically to the Umgungundlovu District Suburbs shapefile? I have browsed the demarcation board but it is not available on http://...
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2answers
77 views

Seeking free public LIDAR data of road in LAS format?

I am currently working on LiDAR point cloud road marking extraction. Please help me to get relevant public dataset in LAS format? Sample data is as shown in the image below: Data without original ...
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2answers
96 views

Source for regularly updated ENCs?

Is there a reliable source for Electronic Navigation Charts, where they get updated regularly? I am able to find for American waters on the NOAA website, but not for other regions.
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1answer
37 views

Seeking shapefiles of buildings in Qingdao, China? [closed]

We are starting a new esearch project in China and I've been looking for a while and the closest thing I can find is buildings of Beijing. But I need Qingdao not Beijing. It seems like I will have to ...
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2answers
38 views

Seeking Uruguay or South America DEM or DTM? [closed]

Is there any DEM (Digital Elevation Model) or DTM (Digital Terrain Model) for Uruguay or South America? I am aware of the Renare for Uruguay.
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29 views

Obtaining geographic data for California?

Where can I download census tracts and infrastructure data of California for 1997?
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1answer
36 views

Seeking UK Postcode out-code list containing county?

I’m trying to put together a spreadsheet containing the following fields: postcode out-code, county Can anybody please point me in the direction of a list (or 2 lists which I could join) containing ...
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1answer
26 views

Seeking quarternary watershed map of Eastern Ontario?

I am looking for a quarternary watershed map of Eastern Ontario. Where is the best place to look for this? I am currently using the ArcGIS Online basemap software to create my maps. I have a CSV ...
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1answer
35 views

Seeking aerial imagery for small site in VA? [closed]

I am trying to locate the best aerial imagery to use to assess a small area in Virginia using QGIS 3.6. I need to buffer features around water features and overlay onto aerial imagery to show ...
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1answer
53 views

Seeking shapefiles for regions? [closed]

We are looking for shapefiles/geojson for below regions: Africa Eastern Africa Western Africa Northern Africa Middle Africa Southern Asia Southcentral Asia Eastern Asia Southeastern Asia Western ...
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1answer
37 views

Using raster for r.sim.sediment?

I'm quite new to QGIS. What data will I need to use the r.sim.sediment processing tool?
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0answers
44 views

Finding detailed relief map of Russia?

I need to find a relief map of Russia. Where such a map can be found and downloaded? Or how to create such a map? I have found a site, but the scale is too small.
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1answer
48 views

Downloading digital elevation model of United States?

I would like to download a digital elevation model of the United States, where can I do this? It doesn't need to be super detailed. But it would be nice, if was clipped at the country borders – ...
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2answers
116 views

Source for Esri sample data from 911 Hot Spot Analysis

I was trying to replicate the Hot Spot Analysis (Getis-Ord Gi*) from Esri, but cannot find the shapefile, like the "911Count.shp", "911HotSpots.shp", etc. Can somebody tell me where I can download ...
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1answer
35 views

Seeking bare streets image of specific neighborhood?

For an infographic project, I would need the bare layout of the streets of a specific neighborhood. What I mean is just the streets "lines", without any name, color or symbol, really just the streets, ...
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23 views

Seeking night satellite images on which light from Earth can be seen? [duplicate]

I am working on a college project making cubesat. I'm in the group containing a sensor that will be used to measure light pollution. Currently we are trying to find existing images of earth containing ...
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1answer
41 views

Seeking Norwegian waterlines and water bodies shapefile?

I am searching for a shapefile containing waterbodies and waterlines (rivers, etc.) in Norway, ideally at scale 1:50 000. I have found a great resource of topographic map here: https://kartkatalog....
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89 views

Solar Insolation Product with highest spatial resolution

My objective is to compare gis derived Solar Insolation against remotely sensed one. However modis has far coarser resolution then required. Is there any other product released? The site is in ...
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1answer
129 views

Searching Polish districts in JSON

I am looking for a map of polish 'powiaty', eng. 'county' or 'district' (i.e. second-level unit of local government and administration in Poland, equivalent to a county, district or prefecture) in ...
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1answer
37 views

Seeking population data for Detroit?

I need population and age breakdown data for Detroit. I have found census tract shapefiles but none with the attribute data that I need. Any idea where I might find such data?
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1answer
49 views

Seeking shapefiles of world in pre-WW2?

I'm in search for shapefiles that show all countries of the world as they looked like in the early 1930s, somewhen between WW1 and WW2. I have some for Europe for the different years of the 20th ...
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1answer
27 views

Finding all geographic points for UK local authorities?

I'd like to write some JavaScript code which works out whether a given set of coordinates is contained within a particular UK local authority. I've been looking around, and this seems like the right ...
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2answers
90 views

Seeking Farm Resource Regions shapefiles?

Could someone direct me to the potential sources to find the Shapefiles of farm resource regions? The map exactly looks like the one here https://www.usda.gov/media/blog/2014/04/22/celebrating-our-...
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1answer
37 views

Watershed layers that drain to ocean?

I have been searching for a watershed layer for California or for the entire US that encompasses all upstream area from ocean outlets (e.g. the entire catchment draining into each ocean output). I ...
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1answer
40 views

Seeking New York Neighborhoods Boundaries?

I need a source of New York neighborhoods boundaries coordinates, I need to draw polygons around them just like this page is doing to Wingate, Brooklyn. https://www.exrny.com/listings/121719/2-bed-in-...
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17 views

Finding an open data layer which includes towns , villages and ciities in the UK

I am looking for a data layer that i can import into Qgis to show towns, villages and cities. either of the three in an individual shp file would also be useful. this is part of a project in which i ...
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1answer
50 views

Is there a place where I could find Geometries of MTM Zones in Canada?

Trying to determine automatically which zones my Lat long data is in using geometries of MTM (Modified Transverse Mercator) Zones. Is there any shapefile (or other format) of the different MTM zones ...
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1answer
32 views

Data for average monthly high/low by zipcode

I am looking for data that will provide average monthly temperatures by zip codes in the US. I require only a year or two worth of historical data, as I am only looking for general trends. ...
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1answer
140 views

Seeking public transport data for Berlin in csv or shp?

I am looking for a shapefile or an Excel document (csv) with all the public transport stops (bus, underground, tram and train). I have searched on OpenStreetMap but I have problems downloading the ...
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1answer
29 views

NDVI Analysis of a small area from the year 2000- 2011 [closed]

I want to perform an NDVI analysis in a small area. I want to see the change around a river body for the year 2002, 2005, 2008, 2010 and 2011. I tried using Landsat-7 data but due to the scanline ...
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1answer
55 views

Oil and Gas Fields In Iraq?

I have scoured all the sources I thought might have these features in vector format but all I've found are maps upon maps. Here's or here examples of what I'm looking for; I've tracked down the ...
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0answers
20 views

Higest-resolution daily temperature products?

I'm looking to collect daily temperatures for a very small geographic area, and as such am in need of some high-resolution products. I have used MODIS, but the data comes with a 1km resolution. Are ...
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1answer
35 views

Seeking contour (topo) lines for United States?

I can find five foot contours for most areas, where can I find 1 foot or 2 foot contour lines? Prefer ArcGIS or AutoCAD but will take anything I can get.
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27 views

Seeking school boundaries? [duplicate]

I have seen Where to get school zone shapefiles? which seems to be the closest to my need. When I download the docs, either I have no ways to filter the document or I don't see all the schools. I ...