[GRASS-dev] Week 02 Report: GRASS Locations from Public Data

[Stefan Blumentrath]

Hi Zechariah,

If you do not know GDALs /vsizip and /vsiurl capabilities, I would recommend having a look at this blog-post from Even Rouault:
http://erouault.blogspot.no/2012/05/new-gdal-virtual-file-system-to-read.html
These GDAL features might be relevant for importing external data.

In the blog-post Even demonstrates how to read data directly from web locations even when inside zip archives (not sure what performance implications that has, but it might help to reduce the amount of local storage needed).

Cheers
Stefan

From: grass-dev [mailto:grass-dev-bounces at lists.osgeo.org] On Behalf Of Zechariah Krautwurst
Sent: søndag 11. juni 2017 23.54
To: GRASS developers list (grass-dev at lists.osgeo.org) <grass-dev at lists.osgeo.org>
Subject: [GRASS-dev] Week 02 Report: GRASS Locations from Public Data

WEEK 02 REPORT: JUNE 05 - JUNE 09
GRASS GIS Locations from Public Data [1]
Zechariah Krautwurst

ACCOMPLISHED
- Reviewed Python scripting for GRASS documentation and existing GRASS data import modules
- Wrote SRTM 30 download script using Python Elevation library and GRASS output
- Researched USGS data download methods, REST API’s and HTTP protocol
- Reviewed The National Map (TNM) API documentation and tested coordinate output methods from g.region as input to TNM API for SRTM ⅓ arc sec NED tiles

NEXT WEEK
- How to import and process subsets of IMG tiles into single layer with TNM API through GRASS
- Review wxPython
- Figure out basemap service for user region selection

BLOCKS
- None

[1] https://trac.osgeo.org/grass/wiki/GSoC/2017/GRASSGISLocationsfromPublicData


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