- a decent DEM
- gdal
- some computer
gdaldem hillshade -compute_edges your_dem_file hillshade.tif
In another bowl, prepare the following shade.ramp file:
Robert Banick rbanick
andrewharvey
/ inplace-mbtiles2osmand.sh
Last active
January 13, 2023 16:39
In-place conversion of an mbtiles SQLite3 database into an osmand offline tiles SQLite3 database.
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| #!/bin/sh | |
| # To the extent possible under law, the person who associated CC0 | |
| # with this work has waived all copyright and related or neighboring | |
| # rights to this work. | |
| # http://creativecommons.org/publicdomain/zero/1.0/ | |
| SCRIPT_DIR=`dirname $0` | |
| if [ -e $1 ] ; then |
cquest
/ hillshade-transparent-overlay.md
Last active
July 5, 2022 06:30
transparent hillshade cooking guide using gdal
dalekunce
/ osm_extract_workflow.md
Last active
September 15, 2019 15:14
workflow for cutting part of an osm file
Quick workflow to setup and cut an osm file with a polygon file
##install osmconvert
wget -O - http://m.m.i24.cc/osmconvert.c | cc -x c - -lz -O3 -o osmconvert##move it to bin folder
cp osmconvert /usr/local/bin/osmconvert
aawiseman
/ Newer building feature Overpass
Created
July 19, 2016 17:58
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| /* | |
| This has been generated by the overpass-turbo wizard. | |
| The original search was: | |
| “newer:"2016-07-14T19:01:00Z" and building=*” | |
| */ | |
| [out:json][timeout:25]; | |
| // gather results | |
| ( | |
| // query part for: “newer:"2016-07-14T19:01:00Z" and building=*” | |
| node(newer:"2016-07-14T19:01:00Z")["building"]({{bbox}}); |
markiliffe
/ tz_fbpop.sql
Created
September 27, 2016 17:24
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| # Table Population: The Facebook population data, inputted by CSV. Points | |
| # Table tzadmin: Tanzania administration boundaries. Polygons | |
| # Table fb_pop: The sum of population for a given admin feature ID | |
| # Table tzadmin_fbpop: The joined table that sums the sum of population and geographic features. | |
| #Generate the table with the right values | |
| CREATE TABLE population | |
| ( | |
| gid serial NOT NULL, | |
| the_geom geometry, |