hypertidy-blog

 

IDEA - data and software

Michael Sumner

Conservative regridding with GDAL (?)

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Can GDAL do conservative re-gridding? For cases of regular grid to regular grid, yes I think it can.
Dec 11, 2024
Michael Sumner

Plot at native resolution, with R

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Plot native, something I should have done long ago.
Dec 4, 2024
Michael D. Sumner

GDAL and image tiles, the {ceramic} package

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A new version of {ceramic} is now on CRAN, version 0.8.0.
Apr 22, 2023
Michael D. Sumner

Degenerate Rectilinear (WIP)

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There are a lot of problems when it comes to array representation in data formats and software. There is a whole family of complex issues with sometimes subtle or even…
Dec 9, 2022
Michael D. Sumner

 

GDAL raster read/write by blocks

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A block is another word for a tile, a tile in a small-ish raster window within a larger raster. Tiles can be very clever, such as 256x256, they make a nice way to organize…
May 4, 2022
Michael D. Sumner

 

GDAL warper with R

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There’s several meanings floating around when you say the “GDAL warper”. It can mean
Apr 25, 2022
Michael D. Sumner

mesh3d - recent changes in rgl workhorse format

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PLEASE NOTE (April 2022): this post has been migrated from an old site, and some details may have changed. There might an update to this post to reflect the rgl package as…
May 29, 2019
Michael D. Sumner

 

GDAL in R

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For some time I have used GDAL as a standard tool in my kit, I was introduced to the concept by the rgdal package authors and it slowly dawned on me what it meant to have a g…
Sep 1, 2017
Michael D. Sumner

Web services for scientific data in R

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NOTE: this post has been resurrected from a 2017 post (April 2022).
Jul 25, 2017
Michael D. Sumner

 

R spatial in 2017

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This document is a broad overview of what I see as most relevant to future spatial, for 2017 and beyond. I’ve tried to be as broad as possible, without going into too much…
Jan 10, 2017
Michael D. Sumner

GIS for 3D in R

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GIS data structures are not well suited for generalization, and visualizations and models in 3D require pretty forceful and ad hoc approaches.
Dec 28, 2015
Michael D. Sumner

R matrices and image

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In R, matrices are ordered row-wise:
Apr 17, 2014
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