connormanning

import numpy as np

def normalize(i, o):
    o['Red'] = i['Red'] >> 8;
    o['Green'] = i['Green'] >> 8;
    o['Blue'] = i['Blue'] >> 8;
    return True

connormanning

First, save the run.cpp file somewhere.

$ docker run -it \
  -v <your-entwine-data-directory>:/opt/data/ \
  -v <wherever-you-put-that-c++-file>:/opt/test/ \
  --entrypoint=bash connormanning/entwine

root@ff99e5b49bf0:/# cd /opt/test/
root@ff99e5b49bf0:/opt/test# g++ -std=c++11 -I /usr/include/jsoncpp/ run.cpp -lentwine -ljsoncpp -o dump

connormanning

var Promise = require('bluebird');
var request = require('request-promise');
var argv = require('minimist')(process.argv.slice(2));

if (!argv.r || argv.h) {
    console.log('\nGREYHOUND DENSITY SAMPLER');
    console.log('--------');
    console.log(
            'This script queries randomly selected areas of a resource to\n' +
            'estimate the density of a dataset.  Only queries containing\n' +

connormanning

Houston LiDAR

Links to source data files for Houston LiDAR data - viewable with Potree and Plasio.

See https://twitter.com/howardbutler/status/9029370196592353

connormanning

Scripting writers.greyhound

These instructions assume that node.js is installed installed natively. PDAL/Entwine/Greyhound pieces are done via Docker.

Index Autzen with Entwine

Assuming ~/entwine is the storage location for Entwine-indexed data:

docker run -it -v ~/entwine:/opt/data connormanning/entwine build \
 -i http://entwine.io/sample-data/autzen.laz \

connormanning

docker run -d \
    --name gdb \
    --security-opt seccomp=unconfined \
    --cap-add=SYS_PTRACE \
    -p 80:80 \
    -v /whatever/volume/mappings:/something \
    -v `pwd`:/opt/home \
    connormanning/greyhound:dev \
    -c "(nohup greyhound -c /opt/home/config.json > /var/log/greyhound.txt &) && tail -f /var/log/greyhound.txt"

connormanning

Assuming ~/data will be the greyhound data directory.

Index data:

docker run -it -v ~/data:/opt/data connormanning/entwine build \
    -i https://entwine.io/sample-data/red-rocks.laz \
    -o /opt/data/red-rocks

Create ~/data/config.json to allow the /write greyhound endpoint:

connormanning

#include <iostream>
#include <pdal/util/Utils.hpp>

int main()
{
    const auto bt(pdal::Utils::backtrace());
    if (bt.empty()) std::cout << "No backtrace!" << std::endl;
    else
    {
        std::cout << "Backtrace:" << std::endl;

connormanning

{
  "partitions": [
    {
      "defaults": {
        "hostname": "{service}.{region}.{dnsSuffix}",
        "protocols": [
          "https"
        ],
        "signatureVersions": [
          "v4"

connormanning

set lines=65
set columns=175
set nocompatible
set number
set expandtab
set tabstop=4
set shiftwidth=4
set hlsearch
set ignorecase
set smartcase