dalekunce

Mac OS X GIS Setup

OS X Preferences

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# Expand save panel by default
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true

dalekunce

NodeJS Synology Install Guide

Lots of time was saved by finding this guide, partially repeated below. http://forum.synology.com/enu/viewtopic.php?f=40&t=84073#p317463

###login

ssh root@ipforsynologybox

dalekunce

#

Simply modify the three following strings for node, ways and relations
newer than="2013-05-28T00:00:00Z

This script is for statistics. For example, it does not extract all nodes from a way if only one node is modified, since the way object and other nodes are not affected.

If you want only the nodes, you only keep the first section of the script where the nodes are extracted.

The polygon-query bounds is to clip the CAP103 area, extracting info only for this area.

dalekunce

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

dalekunce

OSM Tracing Guide for Myanmar

The Red Cross is mapping the Ayeyarwady Delta area in Myanmar as part of a multi-year mapping and data readiness activity to better understand where critical infrastructure and roads are to inform decision making during potential disasters. As recently as 2008 a cyclone killed at least 77,000 people with over 55,900 missing, and left about 2.5 million homeless. The map data will help the Red Cross to better understand where people live in relation to potential hazards so that we can help them be prepared for the disaster and so national decision makers can make better decisions in the immediate aftermath of a disaster. The Missing Maps project aims to map the most vulnerable places in the world (affected by humanitarian crises: disease epidemics, conflict, natural disasters, poverty, environmental crises). Building on HOT's disaster preparedness projects, the Missing Maps tasks facilitate pre-emptive mapping of priority countries to better facilitate disaster response, medical

dalekunce

'use strict';

const turf = require('turf');
const countries = require('./countries.json');
const jsonfile = require('jsonfile')

var file = 'countries_bbox.json';

var bboxs = [];

dalekunce

dalekunce

#merge gpx files

gpsbabel -i gpx -f file1.gpx -f file2.gpx -o gpx -F merged.gpx

#attach GPX to photo get needed libs first

pip install gpxpy
brew install pyexiv2 exiftool
git clone https://github.com/mapillary/mapillary_tools.git
python geotag_from_gpx.py path/to/photos gpx_track.gpx timeoffset

dalekunce

<osm-script output="json" timeout="3600">
  <union into="_">
    <query into="_" type="node">
      <newer than="2015-11-01T00:00:00Z"/>
      <bbox-query e="-6.229248046875" into="_" n="10.919617760254697" s="3.491489430459778" w="-14.919433593750002"/>
    </query>
  </union>
  <print e="" from="_" geometry="skeleton" limit="" mode="body" n="" order="id" s="" w=""/>
  <recurse from="_" into="_" type="down"/>
  <print e="" from="_" geometry="skeleton" limit="" mode="skeleton" n="" order="quadtile" s="" w=""/>

dalekunce

# SRTM OpenTerrain downloader
# look up desired srtm30 tiles here https://gist.github.com/dalekunce/f9157ded57e8e7e6c4f5
# save to a file with each url being a new line
#run by using ./srtm.sh <file>

for line in `cat $1`;do
  echo $line
  s3cmd get $line
  unzip $line
done