gdalraster

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Add bindings to the GDAL VSIVirtualHandle API

7

This function reads a file as bytes into R. ```C++ // [[Rcpp::export]] Rcpp::RawVector vsi_read_file(Rcpp::CharacterVector src_file, bool show_progress = false) { GDALProgressFunc pfnProgress = nullptr; std::string src_file_in; src_file_in = Rcpp::as(_check_gdal_filename(src_file)); if...

mdsumner

Bindings to the GDAL/OGR Vector API

28

This issue is for potential discussion of bindings to the GDAL/OGR Vector API. A draft vector interface is described at: https://usdaforestservice.github.io/gdalraster/articles/gdalvector-draft.html A prototype with partial implementation is in the `gdalvector`...

ctoney

get_pixel_line (or a helper) needs to truncate

4

A 360x180 raster has the following geotransform, in bounds -180,-90,180,90 but get_pixel_line returns values < 0 and > row/col limit. ```R gt ymax) #[3,] 180 190 ## (line > (nrow-1),...

mdsumner

framework for point-extraction

6

(this is just a heads-up, in case there's other work in progress or for this to generate discussion) I have a proto-point-in-cell lookup PR, this was modelled on 'gdallocationinfo' originally,...

mdsumner

creating XYZ tiles

17

I didnt find it in the docs, however I am sure I didnt get the entire functionality of `gdalraster`, so forgive me if I open an issue for this. Unfortunately...

wiesehahn

I'm just posting this as a note, I intend to explore it and make suggestions and PR. Don't run this, it runs with `-stats` which is undersirable for very large...

mdsumner

wish: dataset output (side-effect) of warp()

5

just a thought bubble I've been thinking about, I would quite like `warp(src, , t_srs, cl_arg)` to be able to return a live dataset as it does in osgeo.gdal, for...

mdsumner

A vignette for GDAL Virtual File Systems could provide example code as templates for several use cases and scenarios. It should cover: - basic idea and overview - /vsi*/ for...

ctoney

If input to `plot_raster()` is a `GDALRaster` object for a raster with a complex data type (e.g., CFloat32): ```r plot_raster(ds) #> Error in min(x, na.rm = TRUE) : invalid 'type'...

ctoney

I'm pretty keen to get the Arrow stream support in, I tried doing it but got lost in the details of how this package is actually structured at the C++...

mdsumner