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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16 views

Looking for rivers data of South Italy

I am working on a twelfth-century description of South Italy (Calabria, Apulia and Campania) which describes rivers that are now dried up. I am attempting to create maps which reflect the description ...
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13 views

How to calculate hot and cold spots using ArcGIS

I have to calculate the GiZScores to Dengue incidences in District wise.This should be done using ArcGIS software by using Getis Ord GIS tool. But the problem is that I have to use climatic factors (...
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45 views

Visualize GPS Geolocation data over time

I have GPS coordinates along with timestamp, and I am looking for a library that will allow me to visualize this data over time. Similar to how you would visualize a GPS journey on a map using Python. ...
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19 views

County list of Woodard's American Nations

I've been looking for county list of Woodard's map of American Nations, however, I only found maps of it and certainly as a beginner in the field, I am unable to transform this map into tabular list ...
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16 views

QGIS becoming unresponsive after I try and add (relatively small) layer

Each time I try and add a CSV as a delimited text file, I see this: The file is not large. Only ~2k rows and 462 kb. I've certainly uploaded larger files to QGIS and never had any issues. I've force ...
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19 views

Show data labels in Oracle Analytics Maps

Can anyone assist me in adding data labels in OAC (oracle analytics desktop ) Maps. The image below shows state names ,I have a similar requirement to add names to the city. I tried below json text ...
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15 views

Having a shapefile count how many times it appears on a certain color of a .img

If I have a shapefile with points on it for Forest Fires and I want to see which type of tree the point is on, how would I go about that? I have the .img of each type of tree with a color ...
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50 views

Train/test split in QGIS

I have a polygon layer, which contains information about different classes and I am using it as training areas for supervised classification. Is there any way (like tool or plugin) in QGIS which could ...
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24 views

Identifying State Parks in the PAD-US dataset (Protected Areas Database)

I'm looking to map "State Parks," and I found this phenomenal, but complex database. Has anyone ever worked with the PAD datasets before? (or know any easier way to map State Parks?) In the PAD ...
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6 views

Satisfactory accuracy for a GEDI geo-locator

What level of accuracy should one expect from a GEDI geo-locator? I'm making a geo-locator for GEDI (similar to https://lpdaac.usgs.gov/news/release-gedi-finder-web-service/ ) and I'm wondering what ...
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57 views

Classification with different data dimensions

I am trying to use the continuous change detection classification algorithm (ee.Algorithms.TemporalSegmentation.Ccdc() and it appears to be working for me, however when I get the results the data type ...
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40 views

Seeking Berlin groundwater shapefiles

I would like to know if any of you has shapefiles of Berlin? I have been using https://fbinter.stadt-berlin.de/fb/index.jsp but it doesn't allow the layers in shapefile format and also https://...
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61 views

Identifying NYC neighborhoods using zip codes?

I have a dataset that contains zip codes. I want to figure out the name of the associated NYC neighborhood. For example, I have zip code 10021 and I want to know 10021 is located in Upper East Side. ...
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39 views

What is the highest spatial resolution for coronavirus cases?

I understand that the JHU CSSE Dashboard became the watering hole for public health professionals and data science enthusiasts alike, and it visualizes the spread of novel coronavirus (SARS-CoV-2) ...
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38 views

Background data ski areas

I'm trying to visualise a specific ski route. The sample is taken with a gps tracker in Obergurgl & Hoghgurgl, Austria. I am using QGIS for this assignment. I could insert the trace using vector ...
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32 views

Seeking shapefiles of oceanic global climate zones (tropical/subtropical/temperate)

I need to make a map highlighting the marine tropical zone but could not find any shapefile containing that information. Some sites have lots of information on marine zoning (Marine Regions) but ...
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1answer
25 views

Excluding some columns in the attribute table for the public use

I am trying to post a feature service for an Open Data Hub site but want to exclude some columns in the attribute table for the public use. Is there a way to use a feature service but alternate the ...
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50 views

Get district boundaries for Tokyo

I am looking for district boundaries (what OSM puts at level 9) for Tokyo major Wards (level 7 in OSM). I have found on OSM and affiliated websites some of the district boundaries, but hardly all. ...
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45 views

Seeking shapefile of Roman building footprints?

I am trying to find a Shapefile that consists of building footprints of Ancient Rome (the city). Does anyone know of a good resource for download? It seems like there should be a digitized version of ...
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17 views

Finding satellite imaging showing developments in landcover in specific geographic areas?

I'm a student looking to compare the development in landcover every 5(ish) years across San Diego county & am not finding much luck with it so far.
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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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31 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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24 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
62 views

Seeking remotely sensed data for measuring urban gardens?

One of the students in my lab is currently seeking methods for measuring the very small size of urban green spaces in people's gardens. Is there a data set out there that may be appropriate for this?...
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1answer
62 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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1answer
127 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'...
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37 views

How to get info from google map service

I am definitely new to this area. I found it is difficult to find high quality data on the web. The OpenStreetMap is the most sophisticate data source I met, but clearly many other map services such ...
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146 views

Seeking - Gurugram, (Haryana India) tehsil land use\Land cover statistics

I need landuse and land cover statistics for GURUGRAM district's four tehsils named- Gurugram, Manesar, Sohna, Farrukhnagar. LULC layers may be like Agricultural land, Builtup area, Open area, ...
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64 views

Are there any ground truth data available for San Francisco?

I'm working on the algorithm in this paper and I've modified it a bit. Now in order to quantify the accuracy of my algorithm with this algorithm, I need ground truth data of SanFrancisco. Which has ...
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18 views

GI or tabular data sources for Global obesity data?

I am trying to find either a shp file or some csv, txt etc... showing the %obesity and/or overweight figures broken down per country. I have checked the World Health Organisation Data Repository but I ...
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69 views

how to obtain world seafloor geomorphology layer/raster

This article http://gizmodo.com/heres-the-most-complete-ocean-floor-map-ever-made-1750109568 references an updated world ocean floor map. Where is it possible to obtain a raster layer to display in ...
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44 views

Getting daily-air temperature of several months of past years for Australia?

I really need to obtain the daily-air temperature for several months of 2011. In addition, the data I'm looking for must have the maximum spatial resolution of 1Km*1Km. Since, as I know, there isn't ...
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209 views

Low-res coastline of world landmass, in xml format?

Can anyone direct me towards an xml file, in typical OSM format, for the low-res coastal Ways of every land-mass on Earth? I need something easily renderable at low zoom levels, avoiding the ...
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119 views

Up-to date agricultural land use

I'm looking for data on commodities (corn and potato). Tools such as USDA's cropscape (http://nassgeodata.gmu.edu/CropScape/) are great but lack global cover. I found this dataset http://www....
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120 views

Map mobile phones antennas

Is it possible to find a map of Italian mobile phones antennas (and possibly also European ones)? I need to import it in QGIS so it would be great a shapefile or dxf file or something related to them....
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39 views

I am looking for Thermal IR Photography with 1 m resolution?

I am looking for thermal IR photography with 1m resolution? It needs to be recent or maybe a company in western Canada that can fly a mission like this. Satellite or flown photos both work, I am just ...
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90 views

Google Maps Data

Is it possible to obtain a dataset of all search results in a google maps search? For example: if I want a list of all gas stations in Chicago, complete with addresses, store name, latitude-longitude ...
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282 views

Troubleshooting USGS fetch tool?

Goal: I am attempting to create a fetch (wind exposure) raster for a portion of the St. Lawrence River in order to look at habitat suitability for a number of fish species. Tool used: http://www....
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130 views

OpenStreetMap how to identify major ports

I'm quite new to OSM data. Can anyone help me with the best tags to use to identify major shipping ports? I'd like to be able to identify cities that have a significant amount of commercial shipping ...
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204 views

Looking for a complete list of cities by state, with area code

Our company is working on moving our sales assignments from area codes to ZIP codes, and we need some kind of dataset to help move existing assignments to the new system. Does anyone here know where ...
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44 views

Contents of Downloadable Data from ESRI website?

I'm looking for the simple grey basemap to use in a map I'm working on, but want to download it. It's one of the options with their dynamic data. ESRI has no real order on their download page. ...
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106 views

Looking for USA roads traffic load data

I would like to make a map of the USA Roads with traffic load data (I don't care if it updates monthly , quarterly...) in order to analyze location of customer's shops (they sell vehicle parts and ...
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68 views

Interactive computation of spatial data on a web-map

All the GIS area is very new to me so I would like to ask about a guidance of my next steps. This is the web-map I would like to make (if it is possible): Lets consider the following map: . Each ...
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2answers
138 views

Data about administrative subdivisions capital cities

I am looking for data about second or third rank administrative capitals in every African country (the administrative centre of a country territorial subdivision), but I can't find anything close to ...
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105 views

What reliable sources (paid or free) exist for fossil fuel infrastructure data?

I am trying to find GIS data for various types of petroleum and natural gas infrastructure (pipelines, refineries, gathering lines, pump stations, etc). I've found quite a few sources, mostly for-...
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794 views

Where can I get polygons for the Municipalities of Puerto Rico?

I'd like to find GeoJSON files to draw the polygons of municipalities of Puerto Rico. It might be nice get the Nokia Map (or any reasonable publicly available map) of the same regions and overlay ...
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42 views

RARE II Roadless Data

I am looking for data showing RARE II Roadless Areas on USFS Lands. RARE II was an early inventory of Roadless areas that was completed in the late 70s. This dataset is different than areas that are ...
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1answer
100 views

Seeking accurate WMS server for Kenya?

I am looking for an accurate Map for visualizing positional data collected in Kenya. Right now I am using EXOMAPS (https://tiles.maps.eox.at/wms), in particular, a Sentinel2 cloudless view, but I am ...
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2k 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....
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Spatially join linestrings (which can overlap or not overlap) in R and provide output in a data format that I can add other variables

I am using R to exam road infrastructure. The sf dataset I am using is very granular e.g. for the same road two or three observations may exist that are differentiated by different coloured tarmac ...