Questions tagged [data]

Questions seeking data (except commercial) recommendations are usually better asked at the Open Data Stack Exchange

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481 views

Leaflet - Creating lines to connect GeoJSON points

How do I create lines connecting GeoJSON point features with the same "ligne" data following a given order (Id for exemple). This is what my GeoJSON looks like : { "type": "FeatureCollection", "name"...
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1answer
62 views

Where to find datasets for creating CARTO VL maps?

Is there any way to download example datasets like NYC taxi and origin-destination data? Like those that show flight paths from and to some cities. I think it'd help me greatly if I could somehow get ...
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1answer
229 views

Why is “Selected Graphics (Clipping)” always grayed-out in Export Raster Data?

I would like to utilize the "Selected Graphics (Clipping) option so I may export my raster data along the boundaries of a polygon mask which I created earlier. I would use "Selected Graphics (...
3
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1answer
167 views

Why don't the GADM Admin 1 boundaries for New Zealand line up with Regional Councils

I need a dataset of admin 1 boundaries for many countries, but particularly Australia and New Zealand. Using the current 3.6 boundaries from GADM, they seem to depart from the available Regional ...
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1answer
76 views

Seeking data for image fusion of satellite and UAV/ drone data?

I'm new to Remote Sensing and Data Processing, and interested in fusion. Where do I find georeferenced data that can be fused together? It can be either of the following: Satellite image and ...
4
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1answer
269 views

What is the annual data volume produced by the individual Sentinel satellite missions?

I am wondering how big the volume of the data produced by Sentinel-1, Sentinel-2 etc. in a given year. For Sentinel-1, it'd be most interesting to know the data volume of all SLC images, for Sentinel-...
1
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1answer
489 views

Scraping data from ESRI ArcGIS web map

I am trying to scrape all school boundaries from this website. I want to download them in any geo-format, such as .geojson, .kml, or .shp I figured out that the school boundaries are rendered as <...
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1answer
75 views

European forest roads free download GIS

I'm looking for a free download of a shapefile about forest roads in Europe (I need forest roads of Austria and Slovenia). Here in Italy you can free download these kind of shp, but actually I can't ...
2
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1answer
59 views

Can ArcGIS Transpose Fields tool output as numeric?

My table stores the same variable for each year in separate fields - ex. Pop2010, Pop2011, Pop2012. I used the Transpose Fields tool to transpose the years to long format. It transposes as expected ...
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2answers
1k views

Displaying different attributes within layer with individual colors in QGIS 3? [duplicate]

I am trying to display different soil types within a geological soil layer with individual colors per each type of soil. As of now it is displaying all as the same color.
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1answer
57 views

Where can I find UK boundary data shapefiles where features have attributes pointing to their parent subdivision?

I know similar questions have been asked before but none have given me exactly what I need. I am trying to find boundary shapefile data for the UK which splits different subdivisons into different ...
3
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2answers
538 views

Seeking Strava users routes on city scale?

I'm a GIS student and I would like to access all the routes used by the users of Strava at the scale of a city (Rennes, France) in SHP, GEOJSON or JSON format. Is it possible to make requests by city ...
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1answer
428 views

Seeking border of Canada as GeoJSON from “official” source?

I'm new to GIS. I need to get the border of Canada as a GeoJSON file. I googled and landed at this repo https://github.com/johan/world.geo.json which as a representation that would suit my ...
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2answers
116 views

Multi-Spectral High Resolution Satellite images for flood events

I'm searching for multi-spectral high resolution satellite images for flood events. I found a database of flood events from this link with dates and approxiamte locations (polygons) and I used the ...
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1answer
58 views

Newbie, for GIS (need wander path, trail data) [closed]

I need Greek wander paths of places like mountains and forests as shapefiles, but I don't know how to start to extract them from specific sites or getting them ready as shapefiles. I need these data ...
2
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2answers
77 views

Measuring acreage from satellite image?

I am trying to use a ESRI basemap satellite image in order to obtain forest acreage values from a tax map parcel (image included). I have a parcel that contains farmland and forested areas, and I want ...
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2answers
188 views

Seeking dataset locating points of interest such as fire stations in Canada?

Is there a dataset locating points of interest such as fire stations in Canada? I tried using the one at http://www.mapcruzin.com/ but the accuracy was not correct.
2
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1answer
131 views

Changing raster values in specific zone only

I would like to replace raster values only in specific zone of the raster. Say this is my example raster: library(raster) r <- raster(ncol=1000, nrow=1000) r[] <- runif(ncell(r),0,1) extent(r) &...
4
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1answer
109 views

ArcGIS Desktop 10.5 - Create Line of Sight not showing intermediate points

I'm new to ArcGIS and in a college course. I am trying to perform a Line of Sight analysis on a DEM raster, but it's only showing the endpoints, not the intermediate line with the visibility ...
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1answer
47 views

Just need a lo-res & 8-bit depth elevation map either real or fictional (BMP?)

I am a software developer working on a strategy game in my spare time as a hobby. I still have very little knowledge of and experience with Geographic Information Systems and the different file ...
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2answers
245 views

Geo spatial coordinates database inside the city boundary [closed]

I'm looking for geospatial data from: database, spreadsheet or anything else. My goal is to automatically point random location into a specific city (for instance Kyoto) on a 2D map with a view from ...
0
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1answer
373 views

Find Mapping of Place Codes to County Codes

I have two datasets with columns described below: A list of all "place" names derived from here (US Census): And this one, a list of county FIPS codes, also derived from the US Census (here) I ...
5
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1answer
375 views

Adding ArcGIS Online vector tile service in Leaflet map?

I am trying to add an arcgis online served vector tiles service to a Leaflet map. I am using ( https://github.com/Leaflet/Leaflet.VectorGrid ) to add the vector tiles to a Leaflet v1.3.1 map ...
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0answers
29 views

Where Can I find US Roads? “OverWeight Trucking Business” [closed]

I tried OSM, Google Maps, TIGER Database... But there's nothing like how the permits of the OverWeight Trucks roads are issued. Any idea about this?
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1answer
163 views

Seeking shapefile of all Hawaiian volcanoes?

I have downloaded a shapefile of volcanoes all over the world, but when zoomed in to Hawaii, not all of the volcanoes are displayed. I have been searching but I can't seem to find a shapefile of all ...
0
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2answers
868 views

Seeking land use map in London and UK?

I am looking for the land use data of London in vector format, preferably in polygons. I am interested in whether a building / an area is residential, office or retail use, like this one (https://www....
1
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1answer
51 views

Neighborhood data for Canada

I am looking for Canada Locality/neighborhood data but did not get any useful links. Anybody know about a good Locality/neighborhood data for Canada??
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1answer
97 views

Looking for an Elko County Nevada Land Ownership Shapefile

I am looking for a Nevada Land Ownership shapefile. County and state GIS don't seem to have anything beyond pdf. Are there any public or commercial avenues to acquire land ownership in Nevada? I'...
3
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1answer
62 views

Why is shapefile non recognised in the dataset?

Do CartoDB datasets accept .shp files for the geometry? I should use them to build a map but I can't do it. Can you help me?
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0answers
177 views

Free Map matching benchmark data

I have my own map matching algorithm and I want to compare it's accuracy to some other algorithms. Is there a free trace dataset that has a confirmed match for each trace (ground truth), so I can ...
0
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1answer
376 views

Data for depth contours/DEM for Mediterranean sea

I am searching for data for depth contours for the Mediterranean sea, especially the Aegean sea in any format (raster, shp). Does anyone know if there are any free available data?
0
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1answer
2k views

Replace multiple fields in a column, not characters but words, in R [closed]

I have a dataframe with some thousands of entries each, I've different province names. I need to substitute these names (which are repeated) for others. Quick example, I have this column (I don't ...
0
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1answer
76 views

Sedimentary Basins GIS Database Australia

I'm currently working with a place on Australia and I can't find the a shapefile polygon of the Northwest Australia Sedimentary basins. Can someone that already works with this current dataset can ...
0
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1answer
34 views

Boundaries of Northern Ireland Local Government Districts (LGD2014)?

I'm looking for boundaries for Northern Ireland's Local Government Districts (LGD2014). I only find a list of units, but no the boundaries. There are 11 LGDs. Does anybody know where to find the ...
3
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1answer
271 views

Where can I get British Agricultural Field Boundaries as Vector Data?

I am looking for vector data outlining the agricultural field boundaries in the UK (Specifically Scotland, England and Wales). I have tried all sources of open source data I can find and looked at ...
1
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2answers
65 views

Shapefile for Eastern Boundary Current

I'm looking for shapefiles that delineate ocean current boundaries: specifically one for the Pacific Eastern Boundary current. This is for masking marine productivity raster data onto the current ...
0
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1answer
1k views

Looking for a shapefile for Europe on 4-digit postal code [closed]

I am looking for a source of a shapefile hat includes european countries with 4-digit postal codes. The country codes should be DIN-A2 (two digit) and a postal code for four digits... Does anyone ...
0
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2answers
68 views

Requesting Town Data [closed]

This is a question in regard to requesting town/city GIS data that is hosted on a private server. For example, one of the towns I am working with, Mattapoisett MA USA, has its GIS data hosted with ...
2
votes
1answer
237 views

Trying to extract city data of city lights location?

Here is a website: http://geodesy.net/webmaps/milpitas/gedit2/gedit.htm?map=base I believe they are using Google Map API and Fusion Table(deprecated 2016). I just wanted to extract the data to a ...
3
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2answers
3k views

UK regional shape map with Scotland, Wales and Northern Ireland

We have obtained boundary line data for England from the Office for National Statistics portal, which displays English regions like: We want boundary line data for regions within the United Kingdom. ...
1
vote
1answer
154 views

Filling gaps with two conditions, closest existing data and same name

I'm working with a traffic dataset, with four main fields: name of the streets, intensity and lat-lon coordinates. So it is something like this (totally made up data) street IMD lat lon a ...
3
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1answer
183 views

Number of Eastern Africa countries [closed]

Are Rwanda and Burundi part of "Eastern Africa countries" or "East African countries". Some sources are differing.
0
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2answers
197 views

Looking for world maritime boundaries in Geojson

I would like to use leaflet in order to display the world maritime boundaries (12 nm and 24 nm). Is there a reliable geojson source that I could use? If no geojson data is available, I am ready to use ...
-1
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1answer
53 views

Find geographic data on languages of Russia [closed]

Does anyone have any ideas for where I can get data on the number or percentage of speakers of a given language in the Russian Federation at some geographic level smaller than federal subject? ...
1
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0answers
141 views

Shapefile of United Kingdom Constituencies of 1970 Elections [closed]

Does anyone know where to find shapefiles of older UK constituencies? I am specifically looking for the shapefile of the constituencies used for the 1970 elections (of which the results can be found ...
8
votes
2answers
370 views

ESRI Field Names?

A shapefile I retrieved from the Pennsylvania Redistricting site contains field names like TAPERSONS, TA1RACE. TAWHITEALN. TABLACKALN... or VAPERSONS, VA1RAC, VAWHITEALN... Some online forensics ...
-2
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1answer
541 views

Why did my shapefile (.shp) disappear? [closed]

Why did my shapefile disappear and how can I recover it? It was the only folder that I saved the data for my project. Now when I wanted to get access to the shapefile, it showed me that there is no ...
1
vote
1answer
114 views

Downloading geoid chgeo2004?

Does anyone know where I could download geoids? Specifically I need the Swiss Geoid CHGeo2004. I found this link: https://opendata.swiss/de/dataset/geoidmodell-chgeo2004-in-ch19031 But it only ...
2
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1answer
287 views

Functional urban areas in the UK

I want to perform an analysis on urban areas in the UK. As, indeed, urban areas can be defined in multiple ways, I would like to rely on some well-accepted definitions and polygons. I found this EU ...
0
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2answers
49 views

snow data for US

I'm an amateur to weather. I'm trying to find a snow data set for my weather impact sales project. I need daily snow depth and snow total for different region or states. I found this : http://nsidc....