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Questions tagged [region]

A region is an area, typically a part of a country but it can be transnational. A region often has something in common such as a language, landcover, or geology and this is often reflected as an attribute in GIS. ArcInfo Workstation had a region data model for working with overlapping vector polygons, it is now rarely used.

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Sentinel 2 tile ids by country [closed]

Is it possible to find all Sentinel 2 tile ids by country? For example, for a country such as China, is it possible to get a list of all Sentinel 2 tiles id? Things I've tried so far include looking ...
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Extraction Burned Area from MCD64A1 for Region

I would like to extract burned area and burn date information from MCD64A1 MODIS Collection 6 global burned area product. The data is in monthly composites with burn dates in julian days. I need it ...
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How do I compute the forest area for different regions?

I am currently struggling to compute the forest area of some regions. I am an absolute beginner with Google Earth Engine. I tried it 2 different ways, mostly by copying and editing code I found. ...
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191 views

How to load Landsat imagery over ROI defined as a polygon rather than a point? GEE

In google earth explorer you can load Landsat image around a roi. You can then conduct analysis on this image. I want to expand my region to cover a whole country or continent rather than just the ...
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Creating networks and regions KML in R

I have >500 very large KMLs that contains only point data and a reference to a .png pop-up Each KML looks like this <kml xmlns:xsd="http://schemas.opengis.net/kml/2.2.0/ogckml22.xsd" xmlns:xmlns="...
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2answers
553 views

Adding polygons with excessively complex coordinates to Google Maps

I have a big JSON file, from a converted shp file (through http://mapshaper.org/) of region coordinates for Australian Local Government areas. The problem is that the region areas are super complex ...
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Check if a map region has been already visited

I'm building an iOS app and this is my first experience with maps. The issue is pretty simple: the user can move the map with his/her finger. Each time this happens I download some info from a server (...
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1answer
2k views

Getting full list of cities and regions from OSM

I need to match cities/postal codes from a large dataset with their regions (NUTS3 if available, otherwise administrative divisions as can be found here https://en.wikipedia.org/wiki/...
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1answer
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Merging tesselating regions depending on size?

I have the following regions marked up over map Each region has assicated statistical data. The problem is that sizes of these regions are very different. Some regions are very big and another ones ...
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1answer
998 views

Building Masks (0-1 binary image) out of ROIs in Envi Classic?

I have the following 701x551 image in Envi with the shown raster ROIs (By pressing pixelbutton of ROI Tooldialogue window, I've converted the ROIs into raster format but I have access to ROI vectors ...
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plotKML RasterBrickTimeSeries (timeseries charts) in parallel and regions

I am trying to plot a very large timeseries charts associated with RasterBrickTimeSeries-class in plotKML. The idea is to divide the RasterBrickTimeSeries into regions, and to use snowfall multicore ...
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Creating bubble graphs in Carto using UK local authorities and Regions as the “Admin Region”

The data I have is a list of projects for which I have the following geographic information: postcode longitude and latitude local authority region (or country, eg Wales) as well as other details ...
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Autocad HATCH to polygons in QGIS

I have a erosion map and land use map in DWG files, made of regions (boundary) and hatches. How to convert regions or hatches to polygons? This is the picture of the map in DWG file.
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1answer
79 views

Region outline for USA maps

In USA, I'm looking for outline of the Division 9 Pacific which consists of the following states: Alaska California Hawaii Oregon Washington I have got a map with the KML to generate for these ...
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3answers
4k views

Global shapefile of biomes/ecoregions?

I'm looking for a shapefile with this kind of information, only at considerably higher detail. In North America, ecoregions are classified by levels and grouped by vegetation type at much higher ...
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2answers
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Issue running r.region in GRASS command line

I'm currently attempting to use r.region to preform analysis on a specific area of a raster image. I'm receiving Lat/Long data from the step before me, but I'm having issues using that data in r....
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1answer
115 views

Matching raster regional extent with vector region in GRASS?

In Grass GIS, I am able to import bathymetry .tif raster data however the region coordinates are not in lat/lon formar and therefore, do not overlay with my vector points which are in lat/lon format. ...
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1answer
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Set region with rounded values/coordinates

How do I set a region update with rounded coordinates. I usually set my region from a puffer around my points of interest and round up the north and east coordinates and round down the south and west ...
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1answer
108 views

Delimiting regions of influence for ports

I have datasets containing origin-destin (ports) and volumes for trade data. From these datasets, I can extract points of origins that are related to only a particular port. Interpolating such data, ...
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How can I identify regions with some points as centers? [closed]

I have a Postgres database of entire U.S. zipcodes and their lat/long data. My requirement is to divide these zipcodes into non overlapping regions. All regions have some center zipcode. All ...
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Standard for geospatial CSV with either lat/lon or region encoding

I'm tasked with finding a standard for data providers to publish data that is linked to either points (lat/lons), postcodes, or local government areas (Australian term for councils). The data will be ...
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1answer
388 views

R package for geographic regions

Someone told me about a R package with the definition of objects some regions and nations boundaries. I'm trying to find the border of Veneto, an italian region. What's the name of the package? Do you ...
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1answer
196 views

Grass python shell can't find my data

I have a problem, the grass 7 python shell can't find my rasters. When I try to use the python shell to set the region I get "region not found". I can set the region in the grass shell (and other ...
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1answer
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How to iterate GRASS region definition?

I am using GRASS r.skyview command (v.7, Windows) to determine "urban canyon effect" on pollution due to the presence of buildings. The command nicely works, unfortunately I need to process a very ...
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2answers
1k views

Is there a function to select a region of a map for further processing with Python?

I would like to select a map's region in QGIS for further processing with python console. Ideally I would like to select the region with a mouse drag (like Gimp crop function) and then e.g. analyze ...
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1answer
554 views

Set Grass Region in Python grass.script

How can I set the Grass Region in Python without already having a map in the Mapset? Basically I am looking for the equivalent to this window Currently I am only able to extent an existing region, ...
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1answer
2k views

ARCGIS 10- Cutting down a tiff file layer to a smaller polygon?

I have a dynamic land map featuring open forest, closed forest ect of an area which is a tiff layer file. I want to be able to cut the layer file to my area of interest, the polygon I created? I also ...
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3answers
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Raster map in different zone () than region ()

I am new to QGIS (just installed QGIS 2.0.1) and am having problems running any spatial analysis tools. I followed the instructions on how to call GRASS tools into QGIS, but when I try to run the r....
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0answers
331 views

grass region resolution error

I am working on a raster, but I can't set a correct region for it. In the Set region to match this raster map field, I select my raster map to change current region, but its resolution does not change....
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1answer
1k views

Create new regions in layer by filling in between polylines on existing layer

I'm not sure if this is possible but would save me hours of work. I have a layer which consists of polylines. Most of those polylines bound areas; houses, roads, etc. Currently I am required to ...
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1answer
3k views

UK region overlay on map

I'm hoping to overlay UK regions (East Midlands, Wales, London etc) on a Google Map. Ideally the regions could be coloured, opaque and have some form of label. There is no hover / interaction ...
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5answers
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Getting polygons of all countries and ISO-3166-2 subdivisons

In order to do reverse geocoding lookups to find a country (as ISO-3166-1) and the subdivision (as ISO-3166-2) for given coordinates I am looking for a way to get all polygons of all countries and ...
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2answers
648 views

Mapinfo, (or other?) Interpolation of lat/long and finding minimum in a region

I have a series of lat/long coordinates, each with a corresponding Z value. Each coordinate is spaced roughly 40km apart (this is stored as a MapInfo table of points). What I'd like to do is to "...
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2answers
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Is it possible to gray out a Google Maps map except for some area?

What i am looking for is a way to emphasize a certain area on a Google Maps map by graying out the rest of the world. I heard about some solution of using 2 polygons of which 1 is visible and the ...
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1answer
1k views

Mapinfo incorrect polyline (boundary) map to region conversion

How to solve issue regarding incorrect boundary to region conversion? I have boundary map plotted on cosmetic layer when I convert it to region it results in line with overlap to other region. The two ...
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1answer
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How do I convert my coordinates to the limit of geographic region (outer edge)?

I am trying to use r.in.bin. The parameters of north, south, east, and west needs values: north=float Northern limit of geographic region (outer edge) south=float Southern limit of geographic region (...