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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3answers
1k 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 ...
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1answer
1k 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
30 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
202 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 ...
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2answers
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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1answer
100 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
148 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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2answers
367 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 ...
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1answer
722 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?
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1answer
3k 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 ...
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1answer
183 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 ...
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1answer
118 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 ...
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2answers
713 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 ...
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2answers
96 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 ...
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1answer
2k 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 ...
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2answers
71 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
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1answer
282 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 ...
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2answers
11k 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
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1answer
331 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
217 views

Number of Eastern Africa countries [closed]

Are Rwanda and Burundi part of "Eastern Africa countries" or "East African countries". Some sources are differing.
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2answers
449 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 ...
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1answer
58 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? ...
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0answers
225 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 ...
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2answers
418 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 ...
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1answer
1k 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 ...
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1answer
265 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
804 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 ...
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2answers
58 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....
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0answers
21 views

Is it possible to get specific Asian population totals from the Census at the Block or Block Group level?

I know you can get it at the Tract level but I can't for the life of me find it at at a lower level. I can find totals for just "Asian" at these levels but I want it to be more specific than that (e.g....
3
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1answer
671 views

Adding vector layer to QGIS?

I am learning QGIS from scratch. Downloaded the software and data. I am following their manual uploaded in PDF format. I am stuck in the first step to add the vector layer. The layers panel show a ...
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2answers
431 views

How to draw maps with OpenLayers without subtitles?

I'm developing an application, using OpenLayers and OpenStreetMap, which can not have some subtitles, because it pollutes the map, subtitles like this: this is my code defaultRasterLayer = new ol....
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1answer
2k views

How to decide geohash length based on zoom level?

I want to decide geohash length based on zoom level, how can I do that because so far I am unable to find any standard way to do so? For example, current zoom level is 10 and geohash is "...
0
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1answer
136 views

How to merge datasets without creating new columns

I am using Carto Builder and I have two datasets with exactly the same column headings but each dataset has different data under each column heading. Is there a way to merge the data without ...
0
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2answers
194 views

Routable streets database

I'm trying to find the most "affordable" way to have a routable database, and I'm having some questions that maybe some of you can clarify. My aim is to store all data in our server (not external ...
2
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1answer
1k views

Can't Register table with Geodatabase - ArcGIS 10.5, PostgresSQL 9.5

I have made connection to a postgresql database in ArcGIS Catalog from Database connections . pgAdmin shows the database owner is 'postgres' so i have made the connection with user 'postgres'. I ...
1
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0answers
136 views

Obtaining population estimates by ZCTA from American Fact Finder

I would like to obtain the most recent population estimates (and age and gender information if possible) at the ZIP Code Tabulation Area (ZCTA) level. I think this data exists on the American Fact ...
12
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1answer
366 views

Turning off all pulsing-heartbeat and other animated effects in ArcGIS Pro?

Every time I select a feature or edit or split a feature the selection, appears to slowly pulse which is a new visual effect in Pro. The pulse effect takes way too long bordering on annoying which ...
2
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1answer
1k views

Download AVHRR 1 km SST data

How to download NOAA AVHRR 1 km resolution sea surface temperature data? I need a SST 1 km image of the coast of Netherlands with at least 20 % valid pixels. After searching and searching I find the ...
1
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0answers
52 views

Coordinates problems [closed]

I have some data that I collected from Trimble Juno 3D. When I download the data, I could not see them in the map. The coordinates are NOT in the correct place where it should be. Their coordinates ...
2
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2answers
207 views

Seeking downloadable images for night?

Where can I download freely available images for night from for South Asian region? ?
1
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0answers
105 views

Seeking source for grib data download?

I am trying to integrate wind maps into an existing map and I would like to download the latest wind data for a local area like zyGrib does and then attach it into the map. I am aware that there are ...
0
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1answer
566 views

Looking for topographic map of Bogota, Colombia, with elevation contour lines [closed]

I'm looking for a topographic map of Bogota, Colombia; specifically, we want to get the elevation contour lines, and export that layer to CAD. If anyone knows of any free places to find this data, we ...
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votes
1answer
76 views

A place in Pennsylvania with unknown projection [duplicate]

I have a shapefile with no projection. As a result, the (X,Y) coordinate cannot be understood. This place is in south eastern Pennsylvania, and its longitude and latitude is about -75.2° and 40.1°. ...
1
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1answer
321 views

GRASS GIS cannot open

I am a newer using GRASS. I have tried to open the data named "nc_spm_08". But it couldn't open because errors as fallows: __________ ___ __________ _______________ GRASS GIS homepage: ...
5
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2answers
5k views

Extracting Derived Z-coordinate data

I am trying to extract the z coordinate value from the derived attributes, similar to How to re-calculate area, perim, p2a,width and length in QGIS? but I cannot see a dedicated operator for finding ...
1
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1answer
256 views

Converting Korea 2000 coordinate system to WGS84?

I have coordinates in Korea 2000 EPSG:5181 projected coordinate system. Is there a way to make a formulation in excel to convert these coordinates to lat long (WGS84)?
2
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1answer
151 views

CARTO.Geometry field in polygons [closed]

I want to know how to import a layer of polygons that I have exported from a database in postgis to txt format to my dataset. I have used the ST_GeomFromText function but it does not identify the ...
1
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2answers
312 views

Free unlimited geocoding for Italy?

I’m trying really hard to find a free geocoding solution that does not apply a throttle on the amount of requests - throttling the speed to 1 per second is still okay, but on the number not. Does ...
3
votes
1answer
206 views

Field sampling design: stratified random or transect?

I am trying to understand the impact of scientific activity in a remote polar environment. I have five locations in different parts of the region, where historic huts were placed for a couple of ...

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