Questions tagged [fragstats]

FRAGSTATS is a computer software program designed to compute a wide variety of landscape metrics for categorical map patterns.

Filter by
Sorted by
Tagged with
4
votes
3answers
765 views

Habitat connectivity — how to map connectivity between polygons based on a separate polygon layer

I have a polygon layer representing a habitat type and another polygon layer representing water features. I want to be able to assign to each water feature whether it shares a connection via a ...
3
votes
0answers
108 views

What could replace the Traversability Index (TRAVERSE) from previous Fragstats versions?

I need to analyse the connectivity of wetlands, I believe that the Traversability Index from Fragstats is the one that best describes my intentions because it considers not only the ecological cost of ...
2
votes
1answer
1k views

How do I find the centroid of each patch in a raster?

I am trying to get the centroid of a several areas in a large raster data set. The output needs to be raster format, with one pixel representing the center of each patch, in the same resolution as ...
2
votes
0answers
150 views

FRAGSTATS Problem with “User Defined Tiles”

I have had recurring problems using FRAGSTATS 4.2.1 when trying to calculate four land cover classes over a large area using census tracts as the user-defined tiles. I have made sure the two layers I ...
1
vote
3answers
1k views

Converting files for use in fragstats

To use my data in fragstats i need to convert it into a signed integer grid. I have the data in a raster format and have tried 'right click>data>export data> and setting the format to 'Grid' and it ...
1
vote
1answer
90 views

Perform Fragstats-like analyses around a defined radius of multiple points with overlapping buffers on raster file [closed]

I'm trying to do patch analyses (similar to those available on Fragstats) on NLCD landscape data (raster data). I have about 2000 points all over the state of NY. My plan is to: 1) create a 100 ...
1
vote
0answers
20 views

Vector to Raster

I traced land use as forest (purple) and non-forest (Teal) in my study area of 117sq.km. from google earth. I have attached a copy of the landcover file which I have created. I need to convert this ...
1
vote
0answers
34 views

Creating landcover map from KML files

I am trying to understand the effect of forest fragmentation on vertebrate populations. I need to analyse my study area using Fragstats however, I couldn't find a suitable land cover map for my study ...
1
vote
0answers
230 views

Fragstats moving window analysis in R

Does anyone know if it's possible to run a moving window analysis on either a raster, vector, matrix or data frame of spatial data to calculate Fragstats class statistics?
1
vote
0answers
162 views

FragStat metrics analysis of urban land uses

I am trying to do a land use analysis in FRAGSTAT VERSION 4.2 for, 1995, 2005 and 2013. My land uses of interest are low density, medium density, high density residential areas, commercial, ...
1
vote
0answers
134 views

Clip vector with grid using loop to do fragstats background

I would like to put background border - with negative values - in my squere landscape in order to use in fragstats. I'm trying to do it with pyqgis. Exemple what I would like to do (figure 3). So, I ...
0
votes
1answer
217 views

Fragstats input data for whole study area

I have a land cover map covering an area of 1560 square km. I am interested in landscape fragmentation analysis using Fragstats. But I am confused about input data for the whole study area. I do not ...
0
votes
1answer
29 views

Calculating fragmentation parameters at high resolution

I'm trying to evaluate fragmentation of an ecosystem. While It is easy to calculate in ArcGIS 10.1 values such as Area, perimeter or minimum distance between fragments, I'm having problems calculating ...
0
votes
0answers
37 views

Using LeCos- QGIS crashing

I have a raster of forest and non-forest data. I am trying to analyse it using LeCos on QGIS. The pixel size is equivalent to 1sq.m and there class information ranges from 1-503. When I load it into ...
0
votes
0answers
32 views

How to convert Google Earth KML to Raster with classes for Fragstats

I have digitized the Google Earth imagery for a 117 sq. km. area and have classified the land-use into forest and non-forest sites. I need to use this map for fragstats and calculation of landscape ...
-1
votes
1answer
40 views

Measuring fragmentation metrics of classified map

I have tried downloading FRAGSTATS but this crashes and does not work for some reason. Is it possible to measure some simple fragmentation metrics on a raster landcover map in ArcGIS Desktop instead?...
-1
votes
1answer
481 views

Setting up batch file for fragstats using 1000s of landscapes (tif) in ArcGIS Desktop?

I have 1000s of tif rasters of land cover (at the county level) that I would like to process in fragstats, and would like to use batch processing. The Fragstats help file is basically useless. Is ...