The Data Visualization Kit

Contents

1
The Data Visualization Kit

1.1 Introduction 1-2

1.1.1 The Field data type 1-2

1.1.2 Visualization base modules, macros, and geometries 1-3

1.1.2.1 "DV" base modules 1-3

1.1.2.2 Visualization macros 1-4

1.1.2.3 "DVM" macros 1-4

1.1.2.4 Array-to-field converters 1-4

1.1.2.5 netCDF reader and writer 1-5

1.1.2.6 Geometries 1-5

1.1.3 FLD field data access library 1-5

1.1.4 Image Processing Kit 1-6

2
AVS/Express Field data type

2.1 Introduction 2-2

2.1.1 Compatibility with other data types 2-2

2.1.1.1 Importing AVS data types 2-3

2.1.1.2 Importing other data types 2-3

2.2 Field data hierarchy 2-4

2.2.1 Mesh 2-4

2.2.1.1 Grid 2-4

2.2.1.2 Cells 2-5

2.2.2 Data 2-5

2.3 Field types 2-7

2.3.1 Unstructured fields 2-7

2.3.2 Structured fields 2-8

2.3.3 Rectilinear fields 2-12

2.3.4 Uniform fields 2-14

2.4 Using the Read_Field module 2-16

2.4.1 Native Field Input 2-16

2.4.2 ASCII Description File 2-20

2.5 Field format overview 2-33

2.6 Data type structure - fld.v 2-35

3

FLD data access library

3.1 Introduction 3-2

3.1.1 Types of routines 3-2

3.1.2 Arrays and modes 3-3

3.1.3 Include files 3-3

3.1.4 Compiling and linking 3-4

3.1.5 Return codes 3-4

3.1.6 Examples 3-5

3.1.7 Source provided 3-5

3.2 Node_Data access summary 3-6

3.2.1 Node_Data Data_Array access 3-7

3.3 Cell_Data access summary 3-12

3.3.1 Cell_Data_Poly access summary 3-13

3.3.2 Cell_Data Data_Arrays 3-14

3.4 Cells access summary 3-18

3.5 Cell_Set access summary 3-19

3.6 Cell_Set (specific cell types) access summary 3-21

3.7 Grid access summary 3-24

3.8 Grid_Struct access summary 3-27

3.9 Node_Data_Struct access summary 3-29

3.10 Grid_Unif access summary 3-30

3.11 Grid_Rect access summary 3-32

4

Geometries

4.1 Introduction 6-2

4.1.1 Example network 6-3

4.1.2 Network Editor locations 6-5

4.1.3 V locations 6-5

5
IP image
processing macros

5.1 Introduction 7-2

5.1.1 ip_Image data format 7-2

5.1.2 ip_Roi data format 7-2

5.1.3 Format conversion 7-2

5.1.4 Viewing images in a renderer 7-3

5.1.4.1 2D cameras 7-3

5.1.4.2 3D cameras 7-3

5.1.4.3 To see an image 7-4

5.1.5 Network Editor locations 7-4

5.1.6 V locations 7-5

6 Geographic Information System (GIS) Components

6.1 Introduction 8-2

A
Adding your own image readers and writers

A.1 Overview A-2

A.2 Implementing an image reader A-3

A.3 Implementing an image writer A-6

A.2 Implementing an image reader A-3

A.3 Implementing an image writer A-6