# Open source geospatial & image processing - useful links

Links as I find them relating to various geospatial coding routines, methods, plotting and data standards. I’ve also included links to a few threads from Stack Exchange relating to useful Q&A. This page will be continually updated. All links are hosted independent of this site.

## R

R spatial data manipulation

Introduction to visualising spatial data in R

Raster Data in R - The Basics

Raster data in R - another take

Raster data in R - yet another take

Robin Lovelace - lots of useful SPATIAL things

Spatial data in R: Using R as a GIS

Geospatial data in R and beyond!

Fifty ways to draw a volcano using package plot3D

Mapping in R using the ggplot2 package

ArcGIS to R cheatsheet

rasterVis package

R vs. Python Numpy equivalents

ggplot2-cheatsheet

### R online books

R for Data Science

Geocomputation with R

## Python

Geo-Python course (Uni. Helsinki)

Python data science - book online

NumPy Basics: Arrays and Vectorized Computation < Data processing using arrays section is very useful

Bokeh - a wrapper for JavaScript type plotting

### Pandas

http://chrisalbon.com/#Python

Useful pandas technqiues

### Geospatial (various languages)

PyQGIS 101

Gridding with GMT

K nearest neighbours in Python

Installing GDAL (and OGR) for Python on Windows

GDAL/OGR Python cookbook

GIS with Python, Shapely, and Fiona

Plotting elevation maps and shaded relief images from latitude, longitude, and elevation pairs (PYTHON)

## Rasters

GEOTIFF reference

Fill NA areas of rasters (R)

Fill NA areas of rasters (GDAL)

Merging vs mosaic

## Geostats

Interpolation overview

Extending info on spatial data fields

Geostatics intro (R)

Spatial interpolation of geographical data in R

Variography with gstat and ggplot2

A Practical Guide To Geospatial Mapping

A Practical Guide to Geostatistical Mapping of Environmental Variables

Applied Spatial Data Analysis with R

Intro to planetary-scale geospatial analyses

Correctly-resize-raster-gis-images-to-a-given-px-width

Mosaic (Hermite) function application in ARC

## Image analysis

Python image analysis tutorial

OpenCV for image analysis (Python)

PIL (Python)

SimpleCV

## Cartography

Introduction to visualising spatial data

Creating maps in R

## Help with Fourier Transform applications

Implementation with ImageMagick

MRI scanning and an explanation of k-space

FTs with a smoothie analogy

Implementation of a 1D FT using a combined sine wave in Python

Github pages

Jekyll introduction

Jekyll home

Jekyll cheat sheet

Creating a github website with jekyll