... three values. These values are joined together to form faces, which are flat surfaces that
look remarkably like triangles. The triangles are then joined together to form objects or pieces of
objects. ... implementations using the
industry standard OpenGLES toolkit for small devices. While Android can support
both flavors—version 1.x for the easy way, and version 2.x for those who like to get
where the ... in OpenGL makes screens with limited color palettes look
somewhat nicer but at the expense of performance of course.
glHint() in line 17 is used to nudge OpenGLES to do what it thinks best...
...
standard OpenGLES toolkit for small devices. While iOS supports both flavors—version 1.x for
the easy way, and version 2.x for those who like to get where the nitty-is-gritty—I mainly cover
the former, ... Framework API (and described in Apple’s official OpenGLES 2.0 Programming
Guide), it’s designed to ease the transition to OpenGLES 2.0.
When dealing with OpenGL, this particular matrix is called ... matrices. Fortunately, there are a number of different libraries
to mimic these operations. One such library was released by Apple’s introduction of iOS 5.
Called the ES Framework API (and described...
...
Combining Cocoa Touch with OpenGL ES
This chapter’s first example application, OpenGLES_Ch2_1, provides the starting point for
examples in this book. The program configures OpenGLES to render an image ... simplifies many common programming tasks and partially hides
the differences between the two supported OpenGLES versions. This book focuses on OpenGL
ES version 2.0 for iOS 5 with GLKit.
OpenGL ES ...
uses of OpenGLESfor iOS devices. Numerous example programs demonstrate graphics
programming concepts. The website at http://opengles.cosmicthump.com/ hosts the examples,
related articles,...
... array sizes (values per vertex) and data types.
present). For type the values BYTE, SHORT, INT, FLOAT, and DOUBLE indicate
types byte, short, int, float, and double, respectively; and the values
UNSIGNED ... vertices are transformed and lit, and primitives are clipped
to a viewing volume in preparation for the next stage, rasterization. The rasterizer
produces a series of framebuffer addresses and ... provides an efficient means for approximating curve and sur-
face geometry by evaluating polynomial functions of input values. The next stage
operates on geometric primitives described by vertices:...
... Systems
Points / Vertex
Triangles
View Ports
For OpenGL
1. Setup an Open GL ES Xcode Project
Project Setup
1. Launch Xcode
2. File > New Project
3. iPhone OS Application > Open GL ES Application
4. ... 4);
iPhone OpenGLESPro Tips
Performance
•
Instruments > OpenGLESpro ler
•
Donʼt use Fixed Point Arithmetic
•
Minimize Open GL Calls
•
Batch Drawing Calls
•
Minimize State Changes
4. Render ... optimizations
•
Provides a standard programming interface to the
GPU
•
A very powerful way to create graphics
What does it do?
iPhone OpenGLESPro Tips
General
•
Avoid transforming a UI View...
... 1 ■ SPATIAL INFORMATION MANAGEMENT16
6. See www.opengeospatial.org for information on approved standards, for an overview of ongoing standardiza-
tion initiatives for spatial information data ... It uses SQL, a standard language for accessing relational databases, thus removing the need
for specific languages to handle spatial data.
• It defines the SDO_GEOMETRY data type, which is essentially ... optimal.
By redesigning the query structures, changing operators, and nesting queries, it is possible to drasti-
cally reduce the number of intermediate tables and the queries. M11, for instance,...
... 34.2MB
Tables: US_STATES, US_COUNTIES, US_CITIES, US_INTERSTATES, US_PARKS, US_RIVERS, WORLD_CONTINENTS,
and WORLD_COUNTRIES
Description: This file contains the boundaries of states and counties in ... systems and processes to run smoothly and efficiently.
This example illustrates the pervasiveness of location or spatial information in day-to-day business.
In fact, market research estimates that ... Spatial indexes ensure effective response times for queries
that perform proximity analysis. The chapter introduces the concepts of spatial indexes and
their creation. We then describe different...
... ODP.NET Classes
ODP.NET uses the namespace Oracle.Data.Client. It inherits from the ADO.NET base classes and
therefore provides a set of data access classes, methods, and properties familiar ... set of COM interfaces that
define data access to a variety of data sources. The concept of OLEDB is straightforward: the provider
implements these COM interfaces and provides, for example, the ... ASP.NET providers in
Listing 1-2.
Oracle Data Provider for .NET 2.0 This is the ODP.NET provider for the
.NET 2.0 framework.
Oracle Data Provider for .NET 1.x This is the ODP.NET provider for...
... examples of literals (values specified verbatim).
Learning Types
Applications process different types of values such as integers, floating-point values, characters, and
strings. A type identifies ... of values (and their representation in memory) and a set of operations
that transform these values into other values of that set. For example, the integer type identifies
numeric values with ... manifest themselves at runtime. Expressions and variables are discussed later in
this chapter.
Java classifies types as primitive types, user-defined types, and array types.
Primitive Types
A primitive...
... level:
Beginning–Intermediate
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evelop ... JavaScript for Android. This
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Testing
Before continuing, you should create an Android Virtual Device (AVD) using the
Android SDK in Aptana to test your web site and to see its progress. For the
purpose...