Questions tagged [land-use]
Land use is the human use of land including built environments such as fields, types of houses and settlements. It is different from [land-cover].
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Converting polygon shapefile to NetCDF using QGIS?
I am building a model in which landcover and hydrological/climate data are entered mainly as in the format of NetCDF. I would like to use the local data which is in the format of shapefile both for ...
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17 views
Landcover Legend
When I download landcover, the legend for pseudocolouring is always a number rather than the actual legend which was shown where I downloaded the data. How would I go about getting the actual land use ...
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1answer
20 views
How to mask an area in ArcMap and run supervised classification on unmasked area?
I would like to just run supervised classification on my area of interest (all along the coastlines) and would like to know how to do this in ArcMap. I have created a polygon to mask out the area out ...
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7 views
Creating a landuse file from classification done in eCognition
I used eCognition to classify the landuse of a river basin over several years. How can I make the results into one that can be used for HEC-GeoHMS?
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58 views
Maxent error: Error projecting, two layers have different geographic dimensions
When I run climate data (signed 16 bit) and land use data (unsigned 8 bit) on Maxent, I got an error message:
Error projecting: java.io.IOException: Files bio6 and alt in directory
D:\WorldClim\...
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25 views
Correct translation of Norwegian landcover classes derived from WMS?
I am making a map of the study site located in Norway. I have accessed the awesome and free WMS data regarding landcover (I guess: N250 Arealdekkeflate) https://openwms.statkart.no/skwms1/wms.topo4....
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2answers
28 views
Merging fields within attribute table ArcMap
I have an image file open in ArcMap of an area of land and its land use categories. I would like to combine some of these categories together in order to simplify the map. For example, there is 4 "...
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39 views
Determining amount of forest in overlapping buffers using ArcMap?
I'm using the multiple buffer tool around a series of points for buffer distances 250 m, 500 m and 1000 m around each point. I am then using the tabulate area tool to determine the amount of forest ...
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1answer
25 views
Two different layers of the same area have to be united to form a single layer
I have two different layers containing different polygons and I need to combine them to see the differences over time.
So the output has to be a layer containing the attribute of interest of layer ...
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52 views
Comparing yearly changes in TaxLot land use in NYC (mapPLUTO) - tax lots change through time
I am trying to build a database for NYC in which, for specific boroughs of the city, I track changes per tax lot unit in terms of land use and other attributes, both qualitative and quantitative. For ...
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1answer
40 views
Analysing landuse data in a buffer layer
In my project I want to analyse the landuse around some points within a certain radius. So I created a buffer around my points but I have no idea how QGIS could probably tell me what different ...
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0answers
84 views
Orthophoto land use classification in QGIS
I am using a CIR orthophoto and tried to make a land use classification with the use of Semi-Automatic Classification Plugin in QGIS. I work in QGIS 3.2 but I get errors that my ROI are too small (...
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2answers
204 views
Calculating block statistics from land cover raster using R?
I have a raster (5 x 5 m resolution) representing land cover. Each cell contains a integer value (from 1 to 10) representing a total of ten land cover classes (e.g. 1-forest; 2-agricultural areas; 3-...
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1answer
85 views
Changing land use land cover classes in ArcGIS Desktop?
I have a tiff file containing raster data of land use land cover (LULC) classes.
Each pixel has a pixel value in the form of RGB values of the corresponding LULC class, need to change the pixel ...
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1answer
120 views
Computing area of different pixels classes in a multiple areas raster?
I work on forest data. My raster is a binary file : 0 is forest and 1 is non-deforest. I have multiple ROIs in which I would like to know the area of forest (so pixels of value 0 in the ROIs).
I ...
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2answers
252 views
Sentinel 2 Bands + Deep Learning
I am trying to classify 9 different classes of Land use deploying Resnet Architecture. Sentinel images come with 13 bands and in RS we normally combine different bands for different classes for ...
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1answer
73 views
Merge adjacent polygons into a land use map
I illustrate my problem:
in practice I have a land use in vector format that is also made up of polygons irrelevant from a dimensional point of view but that I would like to delete for a question of ...
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2answers
549 views
How to get R to recognize a discrete raster layer
I am trying to work with discrete data on land use in Australia. I load up the file as follows:
library(raster)
dat<-raster("C:\\Users\\Douglas\\Desktop\\GIS Project\\LandUse\\Land use of ...
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55 views
How to assess significant land cover changes using Chi-square test?
I have a series of land use maps at different times as a result of a classification process on Landsat images. I am mapping 3 different thematic classes : bare soils, vegetation and croplands.
I ...
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1answer
446 views
Extract one class from global LULC in google earth engine
I am trying to extract one LULC class (e.g. cropland) for the entire globe from the MODIS global lulc. How it can be done?
Code I am using to display global lulc is:
var cover = ee.Image('MODIS/...
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2answers
875 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
315 views
QGIS saga supervised classification [closed]
I'm using QGIS 3.0 with the expanded SAGA options. I created a training file in SAGA standalone that I am using, but would prefer the GRASS kappa comparasion options. I have already performed the ...
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1answer
324 views
Is Landsat 30m resolution satellite images accurate enough to map land cover on a 40 km² watershed? [closed]
I am trying to remote sensing land cover features (bare soil, water, vegetation, cultivated areas) on a 40 km² watershed, located in the Sahel (semi-arid west africa). I am heavily interested in their ...
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1answer
101 views
interpreting Normalized Differentiated Bareness Index and Normalized Differentiated Impervious Surfaces Index? [closed]
I've tried looking for various sources to help me interpret NDBaI and NDISI indices but I've not found anything particularly helpful.
Does anyone know how to do it or have any literature that might ...
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0answers
269 views
Percentage of area within a buffer in QGIS [closed]
I have a layer containing the land use of a specific area,and a buffer. I would like to calculate the percentage of each category contained in the buffer. For example in the picture i want to know the ...
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1answer
79 views
Avoiding overestimation in impervious mapping using raster/shapefile training data?
I have tried several methods including unsupervised classification, supervised classification, random-forest classification, and spectral indices methods to estimate the amount of impervious surface ...
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1answer
195 views
QGIS, Buffer, and Land Use around coordinate points
I have a large data set with many columns of data where each row has data from a different lat/lon coordinate.
I would like to add land use at each site to this data set. I was thinking of using ...
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1answer
2k views
Calculate land use percentage within an area?
I'm interested in calculating land use percentage for three layers (forest, agriculture and urban) within the context of a water basin area.
I've managed to merge the land use layers with Union tool ...
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1answer
263 views
Random Forest Classification of Landsat8 Image gives invalid/noise output
In my previous question (memoryerror in Supervised Random Forest Classification in Python sklearn) encounter further issue on random forest classification output. The python code runs fine, but the ...
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1answer
78 views
Telling Tabulate Area to use custom textual labels for column names?
I have a land use raster with unique values of 1-8 and the appropriate label names for the land use are defined under the symbology tab.
When I process that raster with the Tabulate Area tool in ...
0
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1answer
74 views
Where on-line can I find a GIS land use .lyr that shows standard colors for each land use code?
I have been looking on-line for a GIS land use layer file that shows all the standard colors that represents each land use code. I have not been successful in finding that. Would you please direct ...
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71 views
Reclass a landuse shapefile based on another shapefile using R
I have a landuse shapefile that I want to modify based on another shapefile.
In this example I have three classes in landuse shapefile A.
Say I'd know that everything within one of the small ...
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1answer
290 views
Molusce crashes QGIS when starting the changes raster calculation
I am doing a simulation of land cover changes with Molusce 3.0.13 in QGIS 2.18.9.
I am using 2 Corine landmap uses (2006 and 2012, with minor changes on the area, 12 same categories in both), road ...
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0answers
99 views
What's the difference between classification/clustering and zoning?
A week ago I had an exam and there was a question:
What are the main steps of zoning in a GIS?
I didn't understand the question and asked the instructor what does she mean by zoning (in ...
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0answers
38 views
Seasonal changes in habitat use from radio tracking data - how to analyse?
I've been given some data to analyse on deer movements. I have data for the movements of 10 deer over a year period. There are 35 GPS locations per dear for each season (4 seasons).
I would like to ...
3
votes
2answers
216 views
How do I classify a highly heterogeneous built-up area?
I am using Landsat 8 imagery for supervised classification. I have used maximum likelihood classifier to classify separate classes such as forest, grassland, agriculture, plantation, water body and ...
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1answer
95 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, ...
1
vote
1answer
233 views
How to use qgis to get fraction of different vegetation types in a grid?
I have a vector file having different land use type. I have to create grid in that and the grid should be similar to a raster file. Finally I have to calculate fraction of each land cover type with a ...
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0answers
453 views
Cellular Automata Markov for forecast LULC in R software
I would like to forecast land use changes by implementing the Cellular Automata (CA) Markov Chain models in R software.
I have the classified LULC maps from 3 times periods (1992,2003,2014), and also ...
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0answers
24 views
Clipping out polygon into buffer layer so that buffer layer shows dominant feature from polygon layer? [duplicate]
What I am trying to do is clip out a land use layer for the city of Boulder, CO within the confines of a 500ft buffer that I have created for a bunch of road segments. Beyond that I'm trying to get ...
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1answer
228 views
How to collect training data for land cover classification?
I want to begin mapping various land cover such as coconut and pine. My issue is I do not have much experience in terms of collecting landuse information or analyzing satellite imagery and analysis. ...
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votes
1answer
128 views
Seeking land use/ land cover map, population density map for states of Gujarat and Maharashtra (in India)?
I need to find land use /land cover and population density layers for the states of Gujarat and Maharashtra in India.
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1answer
175 views
Crop data for Europe / Germany
I am currently working on the effect of land use on streams in very small catchments (<30km²) in Germany. We have accurate data (ATKIS) on general land use patterns (forests, agriculture, urban ...
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2answers
1k views
Simplifying land cover classification in QGIS?
I have recently completed a land use classification using over 100 ROIs for 5 different land cover classes and it has developed what looks like a highly specific spectral signature for each class. ...
5
votes
1answer
424 views
Land Use classification and canopy cover using LT8 imagery and ground truth points in QGIS
I am trying to run a land use classification with QGIS on LANDSAT8 imagery to classify the various land uses within an area of northern Vietnam.
I want to distinguish between primary forest, ...
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vote
1answer
111 views
Seeking Great Britain landuse data for free (for academic reasons)? [closed]
For the academic project I am working on, I would need to have the Great Britain landuse data.So far I looked for them in several websites but I did not find anything that was for free and with a good ...
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0answers
114 views
Probabilities matrices and cellular automata in IDRISI
I apologize for asking about such elementary things, but I am utterly new to IDRISI yet am now having to learn how to perform certain tasks with it on very short notice.
Am I right that, when Markov ...
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0answers
92 views
how to separate land-use type from rows to columns from one shapefile
i am new to using ArcGIS.
i have one shapefile of land-use data (100 rows) that has different land-use areas for each neighborhood (which are 10 neighborhoods), what i want is to have one row for ...
3
votes
1answer
190 views
Land use change detection with large amount of vector files
Im doing a project where I'm creating a map that shows how land use changed from 1990-2000 for the city of Minneapolis. I have three files, one of the cities boundaries, one with the land use of the ...
3
votes
1answer
2k views
Markov chains, cellular automata, and raster algebra
I need to build a probabilistic cellular automaton for simulating land-use changes and am wondering how to implement this in a GIS. I understand that Markov chains are a way of doing this, and IDRISI ...
