Questions tagged [data]

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

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3
votes
1answer
377 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 ...
1
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2answers
363 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....
2
votes
1answer
1k 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 "...
-2
votes
1answer
295 views

Acquiring and understanding data from world clim? [closed]

I am a novice and trying to get monthly precipitation data of India in raster format month wise. The closest I got was from worldclim.org that too annual data for a block containing the Indian ...
0
votes
1answer
115 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
votes
2answers
147 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
votes
1answer
574 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
vote
0answers
92 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
votes
1answer
266 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
votes
1answer
866 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
50 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 ...
1
vote
2answers
156 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
84 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
votes
1answer
300 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 ...
-1
votes
1answer
63 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
vote
1answer
172 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
votes
1answer
2k 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
vote
1answer
161 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
votes
1answer
86 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 ...
0
votes
1answer
157 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
112 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 ...
0
votes
1answer
137 views

Sea Routes shipment Dataset Caribbean South America, Free

I would like to obtain gis data of cargo, container vessels as well as small cargo inter-islands ships and for an educational non commercial project/publication on food trade across the Caribbean Sea. ...
0
votes
1answer
61 views

Need to download Census 2010 population,aging and housing information at block group level [duplicate]

I would like to download 2010 census population,aging and housing information at blockgroup level.Such as Total population,age_5_9...,age_85_up,Household Count,Housing_units,SQML etc
5
votes
3answers
13k views

Is it possible to export data from google maps?

I plan to create a map using food-restaurant locations in Manhattan, NY. Since there is a large quantity of densely located restaurants it would be a pain to collect it by hand. Is it possible to ...
1
vote
0answers
109 views

Is there any open source equivalent to Esri's Living Atlas?

The Living Atlas which is accessible through ArcGIS has so much useful information. I was wondering if there is anything even close to this scale available for open source products. Preferably QGIS.
1
vote
1answer
100 views

Looking for the census blocks that make up the most recent U.S. Congressional Districts

I am hoping someone can help me solve this or point me in a direction. I need to know what census blocks make up the most recent Congressional Districts (115th). I have found a file that the US Census ...
0
votes
1answer
257 views

LeafletSlider plugin doesn't work

I downloaded the LeafletSlider repo https://github.com/dwilhelm89/LeafletSlider to test it out and then modify it to my needs, but when I open the index.html it doesn't have the slider as shown in the ...
4
votes
1answer
791 views

Unable to display geojson data on a leaflet map in a Django app

I'm developing a Django application using Django-leaflet and Postgresql / PostGIS. I retrieve the data in views.py and I convert them in GeoJSON format using Django's serializer. My views.py: from ...
2
votes
2answers
352 views

MODIS swath footprints - list of names or polygon dataset?

I'm trying to find either a list of all of the MODIS Terra swath footprints, or boundary dataset (i.e. polygons) with the footprint code as an attribute. I've searched high and low on various NASA ...
1
vote
2answers
413 views

NDVI data for UK?

I am looking for monthly composite NDVI data for the UK between 2000 and 2013. The resolution is not so much of an issue. I am struggling to find relevant data and images for further processing in ...
0
votes
1answer
85 views

Malaria Mortality Rate GIS Data [closed]

Can anyone direct me to GIS data for malaria mortality rate? I am looking for countries in South Asia, but not looking for country level numbers but smaller level numbers like district level.
2
votes
2answers
55 views

Finding out what geographies ACS 2015 5 year variables are reported at for use with Census API?

I'm trying to query the US Census 2015 5 year ACS API for certain variables at the block group level, but unfortunately not all variables/tables are reported at the block group level. How can I ...
2
votes
1answer
980 views

Change the colors of polygons on a choropleth map with leaflet

I have data from different countries (=polygons) from 1990 to 2012 and depending on the data value I want to map the changes with a timeline enabling the user to visualize the changes (with colors) ...
1
vote
0answers
77 views

Downloading google earth roads?

I am trying to find a good source of roads data, the idea is mapping an entire state of a country in Brazil, so what I need is really large and good data. Can I get all the roads of Google Earth in a ...
2
votes
0answers
1k views

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 | ...
1
vote
0answers
33 views

Looking for high quality Koppen climate maps [duplicate]

I wonder if anyone can point me in the direction of high resolution Koppen climate maps for use in academic research. I want to accurately place c. 100 study sites from around the world in their ...
4
votes
1answer
159 views

how to visualize csv data every 10 rows in QGIS

I have imported a csv file in QGIS. The file contains 1 column with 43000 rows of data. I want to apply a filter to visualise data only every 10 rows in order to make more clear the graphics. Please ...
1
vote
1answer
53 views

Satellite image of agriculture land cover for some country [closed]

I am looking for a free satellite image of agriculture land cover for North Korea. Can someone guide me to any free resource. Is it available on earth Explorer, if yes, which image should I download....
1
vote
1answer
103 views

Seeking GIS data on military activity in UK, i.e. low flying zones, military practice areas, etc?

I'm trying to source shapefiles of low flying zones, military aerodromes, military practice areas for the Wales area including offshore in the 12nm limit and EEZ. Where could I source this ...
1
vote
2answers
593 views

Seeking data source for worldwide urban/statistical areas as polygons?

I am looking for a shapefile (or any format really) that has worldwide coverage of major urban areas / statistical areas as polygons with names. Similar to what the US census Bureau' Core Based ...
1
vote
1answer
43 views

How to calculate average number from points within a polygon

I have multiple data points that represent the center of a survey plot with a radius of 5, 10, or 15 feet. These points also contain percent coverage of different plants. These points are within ...
4
votes
4answers
2k views

Is there a simple way to collect the Sentinel data of a given ROI?

If you wanted to collect all Sentinel satellite data for a given region of interest (ROI), say, for a given day or time frame - is there any simple way to do it? That means: Without having to download ...
0
votes
2answers
179 views

Lidar data for Israel [closed]

Are there any public sources for LIDAR data for the country of Israel? Searching online has not lead me to find any sources out there.
0
votes
1answer
614 views

Get latitude and longitude of nearest seaside [closed]

I have latitude and longitude of a point and I want to find out lat&long of (or distance to) a nearest seaside point. Which way to do this will you recommend? GIS technologies are new to me.
2
votes
2answers
59 views

Seeking border data which is classified as Coastal and Land?

I am trying to operate regressions over two parameters - (1) Ratio of length of coastal border to land border (2) Average Military Expenditure through 1996-2016 for each country. For parameter (2) ...
1
vote
1answer
73 views

Seeking InSAR Data?

Where can I fnd InSAR Data which is freely accessible? I tried various sites but in the end, they lead to the page these resources are paid. I need it for earthquake analysis.
-1
votes
1answer
47 views

climate data for Europe [duplicate]

I am looking for climate rasters (temperature, precipitation) for European continent. I know WorldClim (1km/pixel) but it is too coarse. Do you know, where can I download finer data, for example ...
1
vote
0answers
42 views

Google Earth data backup [closed]

Is it possible to have data backup? If so how long? Except Google Earth is there any other authentic system that can provide cultivations image data of a field for last few years?
1
vote
1answer
701 views

How to merge a dataset with geometry an another with number data?

I want to merge a dataset with geometry and another with the number data to use. In each one datasets are a field (codparr in one, and cod_parro in another dataset) with 51 values(3601701,3601702,...
1
vote
0answers
143 views

Seeking world city boundary map or data from OpenStreetMap DB?

I'm seeking world city boundary data(longitude and latitude) with city name from OpenStreetMap DB.(If you have experience with other DB Please share the information to me.) It is OK if the data is not ...