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Creating a Cloud Optimised Geotiffs (COGs) for raster photo imagery

This process outlines the process for creating Cloud Optimised Geotiffs suitable for hosting in services such as AWS S3. COGs enables more efficient workflows use cases such as fast access from Functions as a Services (E.g AWS Lambda), or comsumption into client desktop GIS systems (e.g QGIS). For more details on COGs please see https://www.cogeo.org/in-depth.html

1. Create a mosaic

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def rolling_window(array, window=(0,), asteps=None, wsteps=None, axes=None, toend=True):
    """Create a view of `array` which for every point gives the n-dimensional
    neighbourhood of size window. New dimensions are added at the end of
    `array` or after the corresponding original dimension.
    
    Parameters
    ----------
    array : array_like
        Array to which the rolling window is applied.
    window : int or tuple

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[ Tributary.io ] 041e951ff1407ed667f7 by tonyfast

Adding a short index.html file allows bl.ocks.org to present the visualization as a stand-alone webpage.

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1. sudo apt-get install python-setuptools
2. wget http://downloads.sourceforge.net/project/s3tools/s3cmd/1.5.0-alpha1/s3cmd-1.5.0-alpha1.tar.gz
3. tar xvfz s3cmd-1.5.0-alpha1.tar.gz
4. cd s3cmd-1.5.0-alpha1
5. python setup.py install
6. s3cmd --configure

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Sublime Text 2 – Useful Shortcuts (PC)

Loosely ordered with the commands I use most towards the top. Sublime also offer full documentation.

Editing

Ctrl+C	copy current line (if no selection)
Ctrl+X	cut current line (if no selection)
Ctrl+⇧+K	delete line
Ctrl+↩	insert line after

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using System;
using System.Collections.Generic;
using ESRI.ArcGIS.DataSourcesRaster;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.Geometry;

internal enum CurveDirection { RIGHT, UP, LEFT, DOWN };

public sealed class BoundingCurve
{

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"""
Zonal Statistics
Vector-Raster Analysis

Copyright 2013 Matthew Perry

Usage:
  zonal_stats.py VECTOR RASTER
  zonal_stats.py -h | --help
  zonal_stats.py --version

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"""
"""

import multiprocessing
import boto
import os
import sys
import datetime
import logging
import Queue

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Sublime Text 2 – Useful Shortcuts (PC)

Loosely ordered with the commands I use most towards the top. Sublime also offer full documentation.

Editing

Ctrl+C	copy current line (if no selection)
Ctrl+X	cut current line (if no selection)
Ctrl+⇧+K	delete line
Ctrl+↩	insert line after

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import logging
import math
import mimetypes
from multiprocessing import Pool
import os

from boto.s3.connection import S3Connection
from filechunkio import FileChunkIO