Urban Modelling: Algorithms, Calibrations, Predictions (Cambridge Urban and Architectural Studies)

Originally published in 1976, this book introduced a series of mathematical models of urban phenomena relevant to scientists and planners attempting to understand and predict the form of cities and regions. Dr Batty organises the book around the main theme of designing and using such models in practical situations and develops a family of static and dynamic models dealing with the location of land use and economic activities. He describes the models both as urban theories and as computer algorithms, and thoroughly explores the process of calibrating or ‘tuning’ the models to reflect reality. Problems concerning the definition of the spatial systems to which these models refer are examined, as are other practical difficulties such as data organisation. The quasi-experimental approach which characterises this style of computer model-building extends to using the models in conditional prediction and Dr Batty discusses their role in the planning process, with their use in testing the impact of public policies on existing conditions.

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4 Channel Warbird F4U Corsair RTF RC Ready to Fly Electric Airplane Gray Version (Gray Version)

4 Channel Full Function Radio Controlled (Aileron,Elevator,Rudder,Throttle)
Full aerobatic characteristics; inside loops, outside loops, axial rolls, inverted flight, knife edge, stall turns, hammerheads, and spins are possible
Constructed with Super Tough, lightweight EPO material!
Perfect appearance and emulation (Scale appearance, great attention has been given to details)
True Classic Trainer of All Time!
Decorative Waterslide Decals!
Easy to Build & Endless Fun to Fly!
Rudder helps steer plane on ground on its scale landing gear for easy take off
Ready to Fly in Just Minutes!
Shock Resistant Reinforced fuselage and Strong Wings
Super easy and super stable electric powered scale R/C park flyer for beginner or middle-level users
Stable inverted flight
fuselage with pre-installed Electronics, Motor, Servos, and Speed Controller
Super stable for beginner, Super low speed for safety, Super low altitude for fun
Fabricated by accurate molds with high fidelity of real airplane
Powerful 370 motor with expert-designed propellers and hi-capacity Ni-MH battery pack
Excellent stability and aerobatic capability
High roll rate
Digital Proportional Motor Speed Control
Super low speed for safety, Super low altitude for fun
Crash Resistant Construction
Easy to Fly, Easy to Control, Super stable for beginner
Slow Speed Flying Capable, Good for Beginner
Suitable for both beginners and experienced pilots

Wingspan: 840mm (33″)
Length: 750mm (29.5″)
Flying Weight: 420g (14.8 oz)
Drive System: 370 carbon brushed motor
Servo: 3X 9g high speed micro servos
ESC: 20A speed controller
Battery: 9.6V 650mah Ni-MH
Control system: 4 CH Multifunctional Radio Transmitter and Receiver
Radio Control Range: 1000 feet (300m)

Airplane (90% assembled)
4 Channel Multifunctional Radio Transmitter
High Quality Rechargeable 9.6V 650mah Ni-MH Battery
English Manual
4 Propellers

Product Features

  • GREAT GIFT
  • LOADS OF FUN
  • BEST QUALITY AND PRICE

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Basic Trackwork for Model Railroaders, Second Edition (Essentials)

Don’t get derailed! Get up to speed on the latest advancements in trackwork with the one book that focuses solely on proper track installation, Basic Trackwork for Model Railroaders, 2nd Edition.

Freshly updated to showcase the newest products, current manufacturers, and the latest techniques, this new edition shows you how to: Lay flextrack, Handlay track, Install turnouts and switch machines, Use all-in-one and other sectional track, Install subroadbed, Ballast and detail track,
and much more!

No matter the size or scale of your model railroad, using the techniques in this in-depth guide will set the stage for smooth operation!

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San Vicente House by McClean Design

McClean Design completed the San Vicente House in California.

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Project description

Designed for a family with three small girls this house needed to respond to the busy street it is located on. We came up with a sequence of entry which uses several devices to separate the occupants from the noise beyond. The drive court is screened from the street by high gates and tall landscaped elements. This area connects to an inner courtyard through a curving glass screen designed to allow the light to pass through but shield from the cars and noise. The courtyard contains a waterfall and an infinity edge pool both of which help to instill a feeling of calm as you approach the house. Our hope is by the time you enter into the two story entry hall you have left the rest of the world behind. The L shaped plan of the house maximizes the expansive back yard while further screening potential noise such that the rear yard is extremely quiet and peaceful. The garden also contains a pool and guest house.

The house consists of master plus four bedrooms on the upper level with a family room, art room and gym. The lower level has formal living and dining rooms, family room, media and office plus associated secondary spaces. The house is finished in cool grey and cream limestone with light plaster and paint tones and bronze metal accents.

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Design: McClean Design

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The Art of Network Architecture: Business-Driven Design (Networking Technology)

The Art of Network Architecture

Business-Driven Design

 

The business-centered, business-driven guide to architecting and evolving networks

 

The Art of Network Architecture is the first book that places business needs and capabilities at the center of the process of architecting and evolving networks. Two leading enterprise network architects help you craft solutions that are fully aligned with business strategy, smoothly accommodate change, and maximize future flexibility.

 

Russ White and Denise Donohue guide network designers in asking and answering the crucial questions that lead to elegant, high-value solutions. Carefully blending business and technical concerns, they show how to optimize all network interactions involving flow, time, and people.

 

The authors review important links between business requirements and network design, helping you capture the information you need to design effectively. They introduce today’s most useful models and frameworks, fully addressing modularity, resilience, security, and management. Next, they drill down into network structure and topology, covering virtualization, overlays, modern routing choices, and highly complex network environments.

 

In the final section, the authors integrate all these ideas to consider four realistic design challenges: user mobility, cloud services, Software Defined Networking (SDN), and today’s radically new data center environments.

 

•  Understand how your choices of technologies and design paradigms will impact your business

•  Customize designs to improve workflows, support BYOD, and ensure business continuity

•  Use modularity, simplicity, and network management to prepare for rapid change

•  Build resilience by addressing human factors and redundancy

•  Design for security, hardening networks without making them brittle

•  Minimize network management pain, and maximize gain

•  Compare topologies and their tradeoffs

•  Consider the implications of network virtualization, and walk through an MPLS-based L3VPN example

•  Choose routing protocols in the context of business and IT requirements

•  Maximize mobility via ILNP, LISP, Mobile IP, host routing, MANET, and/or DDNS

•  Learn about the challenges of removing and changing services hosted in cloud environments

•  Understand the opportunities and risks presented by SDNs

•  Effectively design data center control planes and topologies

 

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How to Build and Fly Radio Control Gliders

This book has one purpose–to make your first radio control model glider flights safe and enjoyable. You’ll learn how to build and fly RC gliders, and you’ll discover how to perform challenging aerobatic maneuvers. Written in clear, simple language, this book is your introduction to a dynamic, fascinating hobby.

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