Overview

[Compact Table of Contents]

How to use this tutorial

Introduction

Visual Programs

Connectors and Wires

Control flow and operator units

Containers

Annotations and Commands

Plotting of data

Control Operations

About control calls
How to send control calls from Neo
How to send control calls with the ctrl_op unit
Control calls and the prog_unit

Input windows

Overview
Widget parameters
How to make text inputs
How to make buttons
How to define an accelerator key for a button
How to make "OK" buttons to wait for end of input
How to access values of numeric widgets
How to access values of text widgets
How to define callbacks
How to define "grouped buttons" for selections
Some further important directives

Output in windows

The use of the output_window unit
How to provide named output areas in a window unit
How to arrange multiple named areas and text
Available types of named areas
Further remarks

Using the mouse

How to query the mouse cursor position
How to evaluate button settings
How to use the mouse pointer in an interactive loop
How to make mouse button actions context dependent
How to implement mouse callbacks with the prog_unit

Adaptive Units

About NST adapt mode
How to make the prog_unit adaptive
Adapt mode and operators
How to use the som_layer unit
How to use the mlp_net unit
How to recover when learning has diverged
How to separate training and testing
About online and epoch learning
How to adjust the learning rate automatically
How to use the llm_layer unit
How to initialize layer type units
About further adaptive NST units

Creating 3-D Plots

How to use the plot3d unit
How to transform 3d data into 2d screen coordinates
How to draw an isosurface
How to create postscript output
How the plot3d unit differs from the view3d unit

Solid Rendering

How to view 3D scenes with the view3d unit
How to display and color a 3d surfaces
How to specify the location and orientation of objects
How to build articulated objects such as robot arms
How to render objects with the prog_unit
How to find the position of object points in world coordinates
How to view a scene from different points with the camera unit

Interactive Programs

A simple standard set-up for interactive programs
How to provide mouse interaction for embedded windows
How to embed a view3d viewer
How to set up context specific mouse actions: a graph editor
How to autostart windowed circuits with the mouse pointer
Other control schemes

Variables

When to use global variables
How to define global variables
How to use global variables
How to change global variables
How to display variables
How to set variables on the command line

Encapsulation

Local variables
How to specify a user interface for a container
How to remove a user interface of a container
How to redefine the creation dialog window for a pre-defined unit
How to access a replaced dialog window for changes

Reuseable Tools

Tools that work on data: customized plain units
Tools that work on operands: operator units
Tools that draw into graphics windows
Tools that provide an interaction mechanism
Tools with callbacks as parameters
Tools parametrized with shared libraries

Folders

Importing library objects

How to implement a new prog_unit function
How to implement a prog_unit function library
How to define default values for function arguments
How to resize function arguments to pass back data
How to return values in scalar parameters
How to define overloaded functions
How to define variadic functions
How to define functions with function arguments
How to import C++ classes for the prog_unit
How to define class member functions
How to define class member variables
How to implement dynamic element variables
How to make class instances persistent
How to make class instances available at prog_unit connectors
How to provide Neo-popup information for class connectors
How to define functions with class arguments or return values
How to extend a class by new definitions: derived classes
About package initialization and clean-up
How to throw NST exceptions from within #imported objects
How to wrap an existing library as a prog_unit import library
Statically linked prog_unit import libraries
Pitfalls
Summary of restrictions
Corba interface

Runtime Error Handling