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Learning Geospatial Analysis with Python-Second Edition

Learning Geospatial Analysis with Python-Second Edition

By : Joel Lawhead
3.8 (4)
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Learning Geospatial Analysis with Python-Second Edition

Learning Geospatial Analysis with Python-Second Edition

3.8 (4)
By: Joel Lawhead

Overview of this book

Geospatial Analysis is used in almost every field you can think of from medicine, to defense, to farming. This book will guide you gently into this exciting and complex field. It walks you through the building blocks of geospatial analysis and how to apply them to influence decision making using the latest Python software. Learning Geospatial Analysis with Python, 2nd Edition uses the expressive and powerful Python 3 programming language to guide you through geographic information systems, remote sensing, topography, and more, while providing a framework for you to approach geospatial analysis effectively, but on your own terms. We start by giving you a little background on the field, and a survey of the techniques and technology used. We then split the field into its component specialty areas: GIS, remote sensing, elevation data, advanced modeling, and real-time data. This book will teach you everything you need to know about, Geospatial Analysis from using a particular software package or API to using generic algorithms that can be applied. This book focuses on pure Python whenever possible to minimize compiling platform-dependent binaries, so that you don’t become bogged down in just getting ready to do analysis. This book will round out your technical library through handy recipes that will give you a good understanding of a field that supplements many a modern day human endeavors.
Table of Contents (12 chapters)
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11
Index

The initial setup


The beginning of the program is to import statements followed by the Python logging module. The logging module provides a more robust way to track and log the program status than simple print statements. In this part of the program, we configure it as follows:

from xml.dom import minidom
import json
import urllib.request
import urllib.parse
import urllib.error
import math
import time
import logging
import numpy as np
import srtm  # Python 3 version: http://git.io/vl5Ls
import sys
from pygooglechart import SimpleLineChart
from pygooglechart import Axis
import fpdf

try:
    import Image
    import ImageFilter
    import ImageEnhance
    import ImageDraw
except:
    from PIL import Image
    from PIL import ImageFilter
    from PIL import ImageEnhance
    from PIL import ImageDraw

# Python logging module.
# Provides a more advanced way
# to track and log program progress.
# Logging level - everything at or below
# this level will output. INFO is below.
level = logging.DEBUG...

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