User Maria Karypidou

13 votes

2 answers

10k views

What is the difference between Create Thiessen Polygons tool (ArcGIS) and Voronoi Polygons tool (QGIS)?

asked Sep 16, 2014 at 12:53

10 votes

3 answers

7k views

R function for Thiessen Polygons

r voronoi-thiessen

asked Feb 24, 2015 at 8:11

9 votes

2 answers

4k views

Use GRASS through R

grass r

asked Jun 8, 2015 at 14:24

6 votes

1 answer

356 views

Calculation of surface derivatives at the edge of the raster

arcgis-desktop dem slope

asked Feb 13, 2015 at 13:14

6 votes

1 answer

4k views

Scatterplot between two rasters in R?

raster r statistics correlation scatterplot

asked Oct 17, 2014 at 6:13

6 votes

2 answers

2k views

Difference between FCELL, DCELL and CELL in GRASS GIS?

grass

asked Jan 25, 2015 at 20:20

6 votes

1 answer

483 views

Translate wkt reference system to proj4 format

qgis coordinate-system

asked Dec 16, 2016 at 15:07

5 votes

1 answer

3k views

Plot many rasters on the same graph, one on top of the other, using a certain angle in R

raster r plot

asked Apr 18, 2017 at 19:38

4 votes

1 answer

878 views

Calculation of focal statistics at the edges of the region

arcgis-desktop raster

asked Feb 2, 2015 at 17:17

4 votes

1 answer

152 views

Numbers containing e in ArcGIS?

arcgis-desktop raster

asked Mar 13, 2015 at 15:39

3 votes

1 answer

6k views

IDW in R with cross validation

r interpolation cross-validation

asked Jun 17, 2015 at 9:48

3 votes

2 answers

2k views

Correlation between a raster and a point dataset

qgis arcgis-desktop regression correlation

asked Aug 13, 2014 at 19:39

3 votes

3 answers

3k views

Scatterplot, correlation of dependence and r-square between two rasters

raster correlation scatterplot

asked Aug 14, 2014 at 20:24

3 votes

2 answers

1k views

Create a buffer in decimal degrees

arcgis-desktop arcgis-10.2 buffer

asked Jan 27, 2015 at 13:53

3 votes

0 answers

1k views

Create a new NetCDF file combining information from two other NetCDF files in R

r netcdf

asked Dec 16, 2016 at 12:59

2 votes

1 answer

236 views

weighting scheme of gstat for fitting models to variograms

r variogram gstat

asked May 25, 2015 at 17:48

2 votes

2 answers

3k views

Download data from webmap made with leaflet

qgis leaflet

asked May 30, 2016 at 20:50

2 votes

1 answer

520 views

Problem with regression kriging using the krige command in r

r kriging regression

asked Jun 25, 2015 at 21:56

2 votes

1 answer

796 views

Using SRTM DEM with 16 bit signed pixel type changes to 32 bit float when creating slope/aspect/curvature?

arcgis-desktop raster dem slope

asked Feb 8, 2015 at 20:44

2 votes

1 answer

571 views

Cross-validation and optimal p power in IDW

arcgis-desktop arcgis-10.0 geostatistical-analyst inverse-distance-weighted

asked Aug 16, 2014 at 10:52

2 votes

3 answers

712 views

Computing distance from points to coastline

arcgis-desktop distance proximity

asked Jan 27, 2015 at 8:03

2 votes

2 answers

281 views

Getting raster values on grid nodes [closed]

arcgis-desktop raster arcgis-10.2 r vector-grid

asked Jan 18, 2015 at 22:45

2 votes

1 answer

282 views

Calculate mean for a each object of SpatialPointsDataFrame

r function

asked Jun 17, 2015 at 20:15

2 votes

0 answers

105 views

Linearising aspect in GRASS GIS

grass coordinate-system regression aspect

asked Jun 20, 2015 at 20:51

1 vote

1 answer

2k views

Transforming aspect values in order to use them in multiple regression models

arcgis-desktop regression

asked Mar 11, 2015 at 16:12

1 vote

1 answer

53 views

Mod function in GRASS GIS

arcgis-desktop raster grass raster-calculator

asked Jun 20, 2015 at 18:12

1 vote

2 answers

3k views

Getting latitude and longitude raster from DEM using ArcGIS Desktop?

arcgis-desktop arcmap arcgis-10.2 spatial-analyst latitude-longitude

asked Mar 13, 2015 at 15:43

1 vote

0 answers

410 views

Optimal distance and power exponent in IDW [closed]

r interpolation spatial-statistics

asked Mar 15, 2015 at 15:42

1 vote

2 answers

1k views

Removing salt and pepper effect

raster grass classification landsat

asked Mar 18, 2015 at 18:53

1 vote

1 answer

406 views

Wedge neighborhood on Focal Statistics calculation

arcgis-desktop raster arcgis-10.2 spatial-analyst

asked Feb 6, 2015 at 15:14

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47 Questions

What is the difference between Create Thiessen Polygons tool (ArcGIS) and Voronoi Polygons tool (QGIS)?

R function for Thiessen Polygons

Use GRASS through R

Calculation of surface derivatives at the edge of the raster

Scatterplot between two rasters in R?

Difference between FCELL, DCELL and CELL in GRASS GIS?

Translate wkt reference system to proj4 format

Plot many rasters on the same graph, one on top of the other, using a certain angle in R

Calculation of focal statistics at the edges of the region

Numbers containing e in ArcGIS?

IDW in R with cross validation

Correlation between a raster and a point dataset

Scatterplot, correlation of dependence and r-square between two rasters

Create a buffer in decimal degrees

Create a new NetCDF file combining information from two other NetCDF files in R

weighting scheme of gstat for fitting models to variograms

Download data from webmap made with leaflet

Problem with regression kriging using the krige command in r

Using SRTM DEM with 16 bit signed pixel type changes to 32 bit float when creating slope/aspect/curvature?

Cross-validation and optimal p power in IDW

Computing distance from points to coastline

Getting raster values on grid nodes [closed]

Calculate mean for a each object of SpatialPointsDataFrame

Linearising aspect in GRASS GIS

Transforming aspect values in order to use them in multiple regression models

Mod function in GRASS GIS

Getting latitude and longitude raster from DEM using ArcGIS Desktop?

Optimal distance and power exponent in IDW [closed]

Removing salt and pepper effect

Wedge neighborhood on Focal Statistics calculation