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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questions with no upvoted or accepted answers
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Searching for UN regions/sub-regions shapefile
for a visualisation project I need the boundaries of the UN regions as defined here : http://unstats.un.org/unsd/methods/m49/m49regin.htm
That's 21 polygons for the sub-regions.
I have been looking ...
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Google StreetView Coverage Layer
How can I get the layer of the coverage of Google Street View on the roads, i.e. the layer that appears blue when we drag the pegman on Google Maps/Earth?
I need it to work in ArcGIS.
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3
votes
0
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96
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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 ...
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3
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0
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363
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Import GPS SINEX (for velocity analysis) into Sarscape or processing with others software
I try to import GPS snx. into Sarscape 5.2 (use GPS Import tool) and getting error
115) ) gps_type : [sinex]
116) ) generate_kml : [OK]
117) ) generate_shape : [OK]
118) ) ...
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Guide to aerial or space data types and availability
I am overwhelmed by the variety of types of satellite and aerial data (images?) available online. For example, at the USGS Earth Explorer data page, I see AVHRR; CEOS;Ikonos and OrbView; EO-1; GLS; ...
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High Resolution Terrain Data for the Philippines
Where can i download Philippines terrain data that is better than the 30 m ASTER global dataset?
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3
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Looking for data source for all villages, towns and cities in the world
So, I've been working with Geonames data dumps, but I am finding that they are either not complete enough (cities > 1,000 population), or too complete. Here's an example of being too complete:
...
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Is there an api for world terrain/biome data?
I'm looking for an api where I pass a lat/lng, and get "Desert" or "Mountains" or "Ocean" back. Just the general biome of the area.
Most of what I've seen involves getting tiles back, so you can ...
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Where to get UK city boundaries?
Currently I am working on a project where I have to draw boundaries of specific region of UK. Exactly like this
I want to know where to retrieve this kind of GIS data. I have tried openstreetmap data ...
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535
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Are there any shapefile-based GPS data recorders?
I am looking for a data recorder that can be programmed to send a serial data request to a field computer and then accept and record an incoming data string and tie it to GPS location and then save ...
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Determine the Degree of Data Lossiness when Converting Data
I'm working through some of the ESRI tutorials on Data Interoperability and it briefly mentions the issue of data conversion being a lossy process.
Some questions that come to mind are:
What is ...
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answer
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Adding KmlLayer using local file (File API)
I am trying to load a local KML file to the map for this I am using FileReader object (File API). To use google.maps.KmlLayer I need to use readAsDataURL to transform to a URL the file, the problem is ...
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3
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2
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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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2
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Representing Hydrographic survey in QGIS
I have a depth Layer (soundings) and I would like to represent the labels the same way as in a Hydrographic Map.
As you can see in the image bellow, we have this kind of representation in a ...
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could not find function "merge_eurostat_geodata"
Just a couple of codes with the same error at the time of merge data:
FIRST CODE:
library(eurostat)
library(dplyr)
library(ggplot2)
library(stringr)
fer <- search_eurostat("fertility")
...
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2
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How to connect existing postgis tables with Django models
I have some existing tables (shapefiles) and I want to connect each table with a django model. I imported the tables with shp2pgsql tool:
shp2pgsql -I -s 2100 -W 'iso-8859-7' world.shp public.world | ...
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Dissolve in QGIS to merge several processes in different regions into one process with all values
I am working on a dataset where I combined geographical information of cities in Europe and changes of landcover in these regions. I am working with the CORINE Dataset and I would like to know about ...
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Sample data for testing GEOS bindings
Similarly to this question (Is there a source for free CSV files with geo data and other desired fields?) I am working on testing an open source set of bindings for the GEOS project and would like to ...
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52
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Seeking dataset which contains traffic and path network?
I'm looking to purchase a road network (e.g ITN), preferably with a traffic dataset (such as ESRI Streetmap). I don't know if the road networks with integrated traffic can be joined with path networks ...
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Does USGS 3DEP data use a hash or checksum?
I'm downloading some USGS 3DEP elevation data, e.g., the file at the following URL:
https://www.sciencebase.gov/catalog/item/563afea8e4b0d6133fe7357b
The "ID" of this file is given in both the URL ...
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311
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How to obtain MGRS 100Km square id for every such square on world map?
I'm trying to compile a list of MGRS 100km square identifiers for every such square (eg 4QFJ for Honolulu Hawaii); excluding the poles (85 to -85 latitudes). If possible it'd also be great to know ...
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UK Postcode and London destination
New to this site... I'm working with Postcode regions in the UK and was wondering if anyone know if there is a dataset which give you postcode region and the most likely station destination within ...
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Where can I find better data than yahoo geoplanet or factual's world geographies?
Currently I am using Factual's world geographies api to do a location search so if you search london, london england should appear or if you search new york city, new york city will appear.
I am ...
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2
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138
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Clip and Zip Coordinate system options Geocortex
I have the standard geoprocessing service, Clip & Zip, which references a spatial reference folder containing various coordinate systems (in prj).
The service works in geocortex via the standard '...
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118
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Building customized data set from American Community Survey data?
I am trying to create a database in SQL Server with a customized dataset containing census information from the American Community Survey content available online. I want to show a granularity in my ...
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Clutter data - where to find for BC and how to convert to .grc
I would like to find a source of 30m or 90m clutter data for BC, Canada. Can anyone point me in the right direction? Preferably a free source.
Is landcover synonymous with clutter? when ...
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2
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answers
129
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Trimble pathfinder data dictionary default value exclusion
Is it possible to have a numeric attribute in trimble pathfinder without having to use a default value? I am trying to make a numeric attribute compulsory to fill in BUT because the data dictionary ...
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122
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Northern Ireland open source raster?
Does anyone know if there is any open source data downloads for Northern Ireland, seems not as straight forward as rest of UK?
2
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416
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ITV zone shapefile
Where can we get ITV zone shapefiles for the UK? I need to create filled maps using this data.
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744
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Mine data from QPublic
I am interested in extracting data from QPublic for every parcel in my city. I am a complete beginner with this and am not even sure which programming languages I should be looking into. Can anyone ...
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279
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Seeking elevation/topographical Shapefiles?
I'm writing an Android navigation application using Java in my own time as a learning exercise. It reads Shapefiles (with some pre-processing by me) downloaded from http://download.geofabrik.de/europe....
2
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338
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Seeking Road Data (for NE U.S.) to use in ArcGIS Network Analyst?
My current network dataset is utilizing North America Detailed Streets Layer Package, however, I would like to try out some other road networks to compare the the results. Would need the road data for ...
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2
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628
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Looking for high resolution land use (not land cover) data sets for world?
I am looking for high resolution land use data sets for the world.
This question is NOT to be confused with an earlier question - Equivalent of CORINE land cover data sets for rest of world which ...
user36959
2
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275
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Dataset in NJ, US
I need datasets in shapefile format including roadbed, building footprint and building roof height for Jersey City, NJ. I checked everywhere I could online. State, county and local GIS departments, as ...
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Where do I find official summit elevations found on USGS topo maps?
I'm creating topo maps for my day hikes guides for national parks. I've already done one for Glacier National Park. When I was working on summits, I downloaded the data for Montana from GNIS and when ...
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Finding equivalent API-supported data to the 2000 Census
I'm having some difficulty choosing Census datasets for a project that involve various SES measures at the block-group level. I'll be looking at things like median household income and percentage of ...
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Neighborhood boundaries and building footprints for Johannesburg?
Are there any sources for free (or commercial) and distributable neighborhood and building footprint datasets for Johannesburg out there?
I've already looked on:
Google
OpenStreetMap
joburg.org.za
...
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2
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56
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Wind Data for Newfoundland or New Brunswick
I am looking for wind data at an elevation of 100 metres for Newfoundland and New Brunswick that I can potentially bring into ArcGIS 10.2.2 to augment my wind turbine siting process.
Any information ...
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778
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How do I automatically generate a spatial data catalogue from shape files and .gdbs?
I've recently inherited a whole bunch of spatial data (mostly shapefiles but some .gdbs) which relate to a bunch of different cities. I'm looking for a way to take an inventory of what data I've got ...
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Historical US zip code allocations and locations?
Is there a data source available that has the full history (right back to the 1960's) of each US zip code?
By history I mean, for each zip code:
the date it was created, if later than 1 July 1963,
...
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509
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Global height data as polygons — Natural Earth doesn't have it?
I love the bathymetry data from Natural Earth. I've been looking for the last few days for the same basic data but for land. I'm trying to find general elevation shapefiles, as polygons. I don't need ...
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How to maintain the data at XML document after changing schema with Diagramer?
After exporting XML with schema and data I did some changes to the schema with ArcGIS Diagramer. now i need to import the new schema and all the data to a new empty file GDB. what are the best ...
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Dense data set of locations for flow analysis
I want to do some analysis on real world data related to crowd flows and now I am looking for a publicly available (or at least available to academia) data set of trackings in a crowd. The data set ...
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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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How to get National Geographic basemap in QGIS?
I'm proficient in ESRI's products and recently started using QGIS.
I've used the national geographic world map (NatGeo_World_Map) in ArcMap, but am struggling to replicate this in QGIS. The map is ...
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866
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Seeking free nautical route planner Data?
I don't really need an application, but rather an API. I plan to develop my own application and don't need someone else's GUI, just their information.
I want to know the distance a vessel at sea must ...
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182
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How does integrate work with point data sets?
I'm trying to combine point data into clusters and I think I've come up with a method that will work for what I want to accomplish. However, I don't understand why it works the way it does and I'm ...
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1
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Finding British Columbia township grid?
I'm looking for a shapefile of the Dominion Land Survey township grid for British Columbia. Where might I find this data?
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Postal codes of China
Where can I find geodata with postal codes of China with an open license (commercial use is allowed)?
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Seeking India population by village, town and city for 1981, 1991, 2001 and 2011?
Trying to source population data for every village, town and city in India. I have been able to extract data for 2001 & 2011 from the census site, but am having a tough time finding a reliable ...
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