Download PostGIS Cookbook by Paolo Corti, Stephen Vincent Mather, Thomas J. Kraft, Bborie PDF
By Paolo Corti, Stephen Vincent Mather, Thomas J. Kraft, Bborie Park
http://www.packtpub.com/postgis-to-store-organize-manipulate-analyze-spatial-data-cookbook/book
combine PostGIS with net frameworks and enforce OGC criteria reminiscent of WMS and WFS utilizing MapServer and GeoServer
Convert second and 3D vector facts, raster information, and routing info into usable forms
Visualize info from the PostGIS database utilizing a computer GIS software equivalent to QGIS and OpenJUMP
Easy-to-use recipes with complex analyses of spatial facts and useful applications
What you'll study from this book
Import and export geographic facts from the PostGIS database utilizing the to be had tools
constitution spatial facts utilizing the performance supplied through the mix of PostgreSQL and PostGIS
paintings with a suite of PostGIS features to accomplish easy and complex vector analyses
attach PostGIS with Python
learn how to use programming frameworks round PostGIS
hold, optimize, and fine-tune spatial facts for long term viability
discover the 3D functions of PostGIS, together with LiDAR element clouds and aspect clouds derived from constitution from movement (SfM) techniques
Distribute 3D versions during the internet utilizing the X3D standard
Use PostGIS to improve robust GIS internet functions utilizing Open Geospatial Consortium internet standards
grasp PostGIS Raster
In Detail
PostGIS is a spatial database that integrates complex garage and research of vector and raster facts, and is remarkably versatile and strong. PostGIS presents help for geographic gadgets to the PostgreSQL object-relational database and is at present the preferred open resource spatial databases. for you to discover the total variety of PostGIS innovations and reveal the comparable extensions, this booklet is a must-have.
This e-book is a deep-dive into the entire variety of PostGIS subject matters, with useful functions of the innovations and code. it's a finished consultant on PostGIS instruments and ideas that are required to regulate, manage, and examine spatial information in PostGIS. This booklet is jam-packed with systematic directions of hands-on examples and in-depth causes. Even for skilled clients, this ebook will function an exceptional resource of reference through offering new methods of operating with PostGIS during the book's easy-to-follow approach.
This hands-on advisor seems to be at key spatial facts manipulation projects, explaining not just how each one job is played, but additionally why. It presents useful assistance permitting you to securely reap the benefits of the complex expertise in PostGIS which will simplify your spatial database management tasks.
This sensible booklet can assist you're taking good thing about easy and complex vector, raster, and routing techniques. you are going to learn how to use the ideas of knowledge upkeep, optimization, and function, with a view to assist you to combine those right into a huge environment of computer and net tools.
With this finished advisor, you may be armed with the entire instruments and directions you want to either deal with the spatial database approach and make larger judgements as your project's requisites evolve.
Approach
An easy-to-use consultant, choked with hands-on recipes for manipulating spatial info in a PostGIS database. each one subject is defined and put in context, and for the extra inquisitive, there are extra info of the innovations used.
Who this booklet is for
If you're a internet developer or a software program architect, specifically in location-based businesses, and need to extend the variety of innovations you're utilizing with PostGIS, then this booklet is for you. you will have a few earlier event with PostgreSQL database and spatial concepts.
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Extra resources for PostGIS Cookbook
Sample text
Every language has its own console I/O syntax, so if you are not familiar with C++, that may look new and different to you. 1 Introduction to C++ Language is the only instrument of science. SAMUEL JOHNSON This section gives an overview of the C++ programming language. Origins of the C++ Language The C++ programming language can be thought of as the C programming language with classes (and other modern features) added. The C programming language was developed by Dennis Ritchie of AT&T Bell Laboratories in the 1970s.
The operator % can be used with operands of type int to recover the information lost when you use / to do division with numbers of type int. When used with values of type int, the two operators / and % yield the two numbers produced when you perform the long division algorithm you learned in grade school. For example, 17 divided by 5 yields 3 with a remainder of 2. The / operation yields the number of times one number “goes into” another. The % operation gives the remainder. For example, the statements cout << "17 divided by 5 is " << (17 / 5) << "\n"; cout << "with a remainder of " << (17 % 5) << "\n"; yield the following output: 17 divided by 5 is 3 with a remainder of 2 negative integers in division When used with negative values of type int, the result of the operators / and % can be different for different implementations of C++.
5. 5. But what if the 9 and the 2 are the values of variables of type int named n and m? Then, n/m yields 4. If you want floating-point division in this case, you must do a type cast from int to double (or another floating-point type), such as in the following: double ans = n/static_cast