Skip to content

CadnaA Documentation

Lua Command

Initializing search

Introduction
Reference
Attributes, Variables & Keywords
Release Notes

CadnaA Documentation

Introduction
Introduction
- 1. Introduction
  1. Introduction
- 2. Installation
  2. Installation
- 3. Working with CadnaA
  3. Working with CadnaA
- 4. Basics
  4. Basics
  - Files
  - Insert Objects
    Insert Objects
    
    Overview
    
    Inserting Objects using the Mouse
    
    Inserting Objects via the Keyboard
  - Selecting Objects
  - Editing Objects in the Graphics
    Editing Objects in the Graphics
    
    Overview
    
    Polygon Point Mode
    
    Stretching Mode
    
    Relocating Objects
    
    Change Dimensions
    
    Rotating Objects
    
    Copying Objects
    
    Inserting from the Clipboard
    
    Deleting Objects
  - Editing Objects
    Editing Objects
    
    Overview
    
    Edit Object Dialog
    
    Dialog Options Name, ID, INFO, ObjectTree, Master
    
    Decimals in Edit Boxes
  - Search for Objects
  - Scale & Zoom
  - Synchronization Graphics & Tables
- 5. Modes of Calculation
  5. Modes of Calculation
  - Overview
  - Receiver
    Receiver
    
    Overview
    
    Sound propagation according to ISO 9613-2 (1996)
    
    A-Weighted Sound Power Level as Emission Value
    
    Effect of Distance and Air Absorption
    
    Calculation Protocol
    
    Correcting for Operating Time
    
    Inserting an Area of Land Use
    
    Effect of Ground Absorption
    
    Directivity Index
    
    Different Emission Day/Evening/Night
    
    Screening Effect
    
    Reflection
    
    Partial Levels List
    
    Spectrum as Emission Value
  - Horizontal Grid
    Horizontal Grid
    
    Overview
    
    Specifications for Grid Calculations
    
    Grid Arithmetics
  - Vertical Grid
  - Building Evaluation & Building Noise Map
    Building Evaluation & Building Noise Map
    
    Overview
    
    Building Evaluation
    
    Automatically assigning Building Evaluation Symbols
    
    Result Table for the Building Noise Map
- 6. Modeling Industrial Sources
  6. Modeling Industrial Sources
  - Overview
  - Building Radiation
    Building Radiation
    
    Overview
    
    Entering a Sound Radiating Facade
    
    Editing Facades
    
    Generate Radiating Building
  - Internal Driveways and Areas
  - Directivity
    Directivity
    
    Overview
    
    Pre-defined Directivities
    
    User-defined Directivities
    
    Frequency Dependant Directivities
  - Radiation from Stacks and Chimneys
    Radiation from Stacks and Chimneys
    
    Overview
    
    Radiation by the Stack’s Mouth
    
    Radiation by the Stack’s Shell
  - Ground Absorption
  - Meteorology
    Meteorology
    
    Overview
    
    Correction based on C0
    
    Correction based on Wind Statistics
- 7. Modeling Roads
  7. Modeling Roads
- 8. Modeling Railways
  8. Modeling Railways
- 9. Data Import
  9. Data Import
- 10. Groups & Variants
  10. Groups & Variants
- 11. Modify Objects
  11. Modify Objects
- 12. Context Menu
  12. Context Menu
Reference
Reference
- 1. Introduction
  1. Introduction
- 2. Sound Sources
  2. Sound Sources
  - Overview
  - Industrial Sources
    Industrial Sources
    
    Overview
    
    Common Input Data
    
    ISO 9613 (1996) and ISO 9613 (2024)
    
    Nordic Prediction Method 1996
    
    Nord 2000
    
    Ljud från vindkraftverk
    
    BS 5228
    
    Harmonoise
    
    Concawe
    
    NMPB-Industry 2008
    
    CNOSSOS-EU (Industry)
    
    Schall03 (2014)
    
    HJ 2.4 (2009 / 2021)
    
    Further Procedures for Industrial Noise
  - Directivity at Industrial Sources
    Directivity at Industrial Sources
    
    Overview
    
    Sound Radiation from Chimneys or Stacks
    
    Sound Radiation from Elements & Openings
    
    User-defined Directivities
  - Tennis - Point-of-Serve
  - Roads
    Roads
    
    Overview
    
    Common Input Data
    
    RLS-90
    
    Nordic Prediction Method 1996
    
    NMPB-Routes 1996
    
    NMPB-Routes 2008
    
    CNOSSOS-EU (Road)
    
    CRTN
    
    TNM
    
    Czech Method
    
    SonRoad
    
    HJ 2.4 (2009 / 2021)
    
    Further Procedures for Road Noise
    
    Air Pollution according to MLus-92
  - Crossing
  - Railways
    Railways
    
    Overview
    
    Common Input Data
    
    Schall 03 (1990)
    
    Schall 03 (2014)
    
    Nordic Prediction Method 1996
    
    CRN
    
    SRM II
    
    NMPB-Fer 1996
    
    NMPB-Fer 2008
    
    CNOSSOS-EU (Railway)
    
    FTA / FRA
    
    HJ 2.4 (2021)
    
    Further Procedures for Railway Noise
    
    Train Class Libraries
    
    Traffic-Count Calculator
  - Parking Lots
    Parking Lots
    
    Overview
    
    RLS-90
    
    LfU-Study (2007)
    
    SN 640 578
  - Pass-By of individual Vehicles
  - Optimisable Source
  - CadnaB Building
- 3. Obstacles
  3. Obstacles
  - Overview
  - Building
    Building
    
    Overview
    
    Residential and non-residential Buildings
    
    Acoustic Transparency (%)
    
    Snap Point to Facade
    
    Edit Facades
    
    Defining a Roof Ridge
    
    Generate Building
  - Barrier
    Barrier
    
    Overview
    
    Floating Barrier
    
    Barrier with special crowning
    
    Barrier with transmission
    
    Barrier staggered in height
  - Bridge
  - Ground Absorption Areas
  - Built-Up Areas and Foliage
  - Cylinder
  - 3D-Reflector
  - Embankment
  - Automatically Optimize Noise Barriers
- 4. Topography
  4. Topography
  - Overview
  - Terrain generating Objects
    Terrain generating Objects
    
    Overview
    
    Contour Line
    
    Height Point
    
    Line of Fault
  - Object’s Geometry
    Object’s Geometry
    
    Overview
    
    Point-like Objects
    
    Line-like Objects
    
    Area-like Objects
    
    Further Input Features
  - Topography-specific Functions
    Topography-specific Functions
    
    Overview
    
    Fit Objects to DTM
    
    Fit DTM to Object
    
    Generate Terrain Contours from Height Points
    
    Generate a Grid of Height Points from Terrain Contours
- 5. Immissions
  5. Immissions
  - Overview
  - Receiver
    Receiver
    
    Overview
    
    Consistency Check
    
    Partial Levels
  - Area of Designated Land Use
    Area of Designated Land Use
    
    Overview
    
    Type of Land Use
  - Receiver Grid
    Receiver Grid
    
    Overview
    
    Grid Specification
    
    Grid Appearance
    
    Grid Calculation
    
    Grid Arithmetic
    
    Generating a Grid from Noise Contours
    
    Vertical Grid
  - Building Evaluation
    Building Evaluation
    
    Overview
    
    Building Noise Map
    
    Result Table for the Building Noise Map
    
    Level Difference Map for Building Noise
- 6. Calculation
  6. Calculation
  - Overview
  - Sound Rays and Reflection
    Sound Rays and Reflection
    
    Overview
    
    Sound Rays at Point Sources
    
    Sound Rays at Line and Area Sources
    
    Projection at extended Sound Sources
    
    Reflection
    
    Reflection of the 1st Order
    
    Reflections of Higher Order
    
    Displaying Sound Rays
  - Configuration
    Configuration
    
    Overview
    
    Standards
    
    General Tab
    
    Partition Tab
    
    Reference Time Tab
    
    Evaluation Parameters Tab
    
    DTM Digital Terrain Model Tab
    
    Ground Absorption Tab
    
    Reflection Tab
    
    Industry Tab
    Industry Tab
    
    Overview
    
    ISO 9613 (1996)
    
    ISO 9613 (2024)
    
    Nordic Prediction Method (1996)
    
    Nord 2000
    
    Ljud från vindkraftverk
    
    BS 5228
    
    Harmonoise
    
    Concawe
    
    NMPB-Industry 2008
    
    CNOSSOS-EU
    
    HJ 2.4 (2009 / 2021)
    
    Meteorology Tab
    Meteorology Tab
    
    Overview
    
    ISO 9613 (1996) and ISO 9613 (2024)
    
    CNOSSOS-EU
    
    Road Tab
    Road Tab
    
    Overview
    
    RLS-90
    
    Nordic Prediction Method (1996)
    
    NMPB-Routes 1996
    
    NMPB-Routes 2008
    
    CNOSSOS-EU
    
    CRTN
    
    TNM
    
    Czech Method
    
    SonRoad
    
    HJ 2.4 (2009 / 2021)
    
    Railroad Tab
    Railroad Tab
    
    Overview
    
    Schall 03 (1990)
    
    Schall 03 (2014)
    
    Nordic Prediction Method (1996)
    
    CRN
    
    SRM II
    
    NMPB-Fer 1996
    
    NMPB-Fer 2008
    
    CNOSSOS-EU
    
    FTA/FRA
    
    HJ 2.4 (2021)
    
    Radar Tab
    
    Aircraft Tab
    
    Optimizable Source Tab
  - Adjustment of the Configuration
  - Selecting Data for the Calculation
  - Calculation Protocol
    Calculation Protocol
    
    Overview
    
    Compact Protocol
  - Multithreading
  - Multiple Source Effect
  - Options for CadnaB Interop
  - QSI - Statistical Analysis
  - Batch Operation
  - PCSP - Program Controlled Segmented Processing
- 7. Import
  7. Import
  - Overview
  - Import Options
    Import Options
    
    Overview
    
    Allocate Object Type to Layer
    
    Import only Section
    
    Importing selected Object Types
    
    Coordinate Transformation
    
    Unknown Attributes to Memo-Variable
    
    Process Ring Polygons
  - Import Formats
    Import Formats
    
    Overview
    
    CadnaA
    
    ESRI Shape
    
    GeoPackage
    
    Atlas GIS
    
    MicroStation-DGN
    
    AutoCad-DWG
    
    AutoCad-DXF
    
    SketchUp
    
    EDBS
    
    GML (UK)
    
    CityGML
    
    Open Street Map XML
    
    MapInfo
    
    Sicad
    
    Special Formats
    
    Stratis
    
    WINPUT-DGM
    
    Building Height Points
    
    ASCII-Objects
    
    ASCII-Grid DTM
    
    GeoTiff DTM
    
    ASCII-Spectra
    
    Third-Party Software
    
    Import / Export of Numbers of Trains
  - Database Import (ODBC & XLSX)
- 8. Graphics
  8. Graphics
  - Overview
  - Limits
  - Coordinate Grid
  - Object Snap
  - Coordinate System
  - Object Appearance
    Object Appearance
    
    Overview
    
    General Tab
    
    Symbol Tab
    
    Line Tab
    
    Line of Symbols Tab
    
    Fill Tab
    
    Fill with Symbols Tab
    
    Fill with Hatch Tab
    
    3D Tab
    
    Dialog Color
    
    Default Object Appearance
  - Edit Toolbar
  - Layer
  - Display Units
  - Fix Objects
  - Auxiliary Polygon
  - Section
  - Settings for Objects with Frames
    Settings for Objects with Frames
    
    Overview
    
    Text Box
    
    Level (dB) Box
    
    Symbol
    
    Station Box
  - Cross Section
  - 3D-Wire Model
  - 3D-Special View
    3D-Special View
    
    Overview
    
    Menu Commands
  - Miscellaneous
- 9. Bitmaps
  9. Bitmaps
  - Overview
  - Insert Bitmaps
    Insert Bitmaps
    
    Overview
    
    Import Bitmap
    
    Bitmap Dialog Options
  - Delete Bitmap
  - Web-Bitmaps
- 10. Tables
  10. Tables
  - Overview
  - Object Tables
    Object Tables
    
    Overview
    
    Buttons in Object Tables
    
    Editing Object Tables
    
    Changing Column Content
  - Result Table
    Result Table
    
    Overview
    
    Editing the Result Table
  - Filtering Tables
- 11. Libraries
  11. Libraries
  - Overview
  - Spectra
    Spectra
    
    Overview
    
    Sound Level Spectra
    
    Sound Reduction Spectra
    
    Absorption Spectra
    
    Road Surfaces
    
    Road Types
    
    Vehicle Classes
    
    Modify Spectrum
  - SET-S
  - Diurnal Patterns
  - Symbol Library
  - Text Blocks
  - Color Palettes
    Color Palettes
    
    Overview
    
    Default Color Palettes
  - Legends
  - Library Manager
  - Purge Tables
  - Delete Partial Levels
- 12. Print & Export
  12. Print & Export
  - Overview
  - Designing and printing the Graphics
    Designing and printing the Graphics
    
    PlotDesigner
    
    PlotDesigner - Cell Types
    
    Cell Properties
    
    Print Graphics
    Print Graphics
    
    Overview
    
    Print Graphics using a Template File (outdated)
    
    Designing & Printing Reports and Tables
  - Printing Reports
    Printing Reports
    
    Overview
    
    Template Files
    
    Print Preview
  - Export
    Export
    
    Overview
    
    AutoCad DXF
    
    ESRI Shape (*.shp)
    
    ESRI Grid (*.asc, *.hdr)
    
    Geopackage (*.gpkg)
    
    Bitmap Files
    
    Text Files (*.txt, *.rtf)
    
    Word Document (*.docx)
    
    Excel Workbook (*.xlsx)
    
    GoogleEarth
    
    QSI
- 13. Project Organization
  13. Project Organization
  - Overview
  - ObjectTree
  - Variants
  - Groups
  - Copy group activation
  - Object Attributes per Variant
  - Date Interval of Objects
  - Folders
  - Dynmap The dynamic Noise Map
  - Prototype File
  - Automatic Saving of Files
  - Automatically generated Text Blocks
    Automatically generated Text Blocks
    
    Overview
    
    Project Information
    
    Calculation Data
- 14. Extras
  14. Extras
  - Overview
  - Object-Scan
    Object-Scan
    
    Overview
    
    Scanning into Single Values
    
    Scanning into Areas
    
    Scanning into the Grid
    
    Scanning into a Table
  - Conflict Maps
  - Grid Evaluation
  - Population Density
  - Monetary Evaluation according to BUWAL
    Monetary Evaluation according to BUWAL
    
    Overview
    
    Application to Areas of Designated Use
    
    Loss in value as a single value
    
    Loss in value for all areas of designated land-use
    
    Loss in value on a grid map
  - Close Polygons
  - Thin out Height Points
  - Lua Scripting Language
    Lua Scripting Language
    
    Overview
    
    Lua-Script Presets
    Lua-Script Presets
    
    Transfer attributes
    
    Find intersections of contour lines
    
    Introduction to Lua
    Introduction to Lua
    
    Overview
    
    Syntax and Data Types
    
    Operators
    
    Declaration and scope of variables
    
    Program flow control structures & loops
    
    Lua and CadnaA
    Lua and CadnaA
    
    Overview
    
    Validity of CadnaA-Lua-Objects
    
    Handling of Variants in CadnaA-Lua
    
    Addressing Evaluation Parameters in CadnaA-Lua
    
    Symbols for Lua-Preset-Files
    
    Action „Lua Command“
    
    LUA-Events
    
    Reference
    Reference
    
    Overview
    
    Commands on Project Level
    
    Limits
    
    Coordinate System
    
    Grid and Grid Arithmetics
    
    Grid Point
    
    Table-Object
    
    CadnaA-Object
    
    Polygon-Object
    
    Polygon-Vertex-Object (Polygon point)
    
    Partial Level
    
    Variants
    
    Building Noise Map
    
    Configuration of Calculation
    
    3D-Special
    
    Global Variable CLOSE_DIALOG...
    
    Radar Filter
Attributes, Variables & Keywords
Attributes, Variables & Keywords
- 1. Object Attributes
  1. Object Attributes
  - Table Object Attributes
  - Object Attributes Syntax Suffixes
- 2. Variables
  2. Variables
- 3. Keywords
  3. Keywords
  - Overview
  - Bitmap
  - CalcConf
  - Cores
  - Datum/Date
  - Einzug
  - File
  - FileDatum
  - FileExpIn
  - FileExpOut
  - FilePrint
  - FileZeit
  - Font
  - GLK
  - If, Denk
  - ImmValName
  - ImmValUnit
  - Legende
  - LegendeNutz
  - LegendeObj
  - License
  - Metafile
  - NeueSeite
  - ObjAtt
  - ObjAttAll
  - Range
  - RasterBewertung
  - RST
  - Scale
  - Seite
  - Set
  - SetObjAtt
  - Tab
  - Table
  - TableCount
  - Tabs
  - Text
  - Time
  - Variants
  - VarianteM
  - Version
  - Zabst
  - Zeit/Time
- 4. String Operations
  4. String Operations
- 5. Operators & Functions
- 6. Protocol Abbreviations
  6. Protocol Abbreviations
  - Protocol attributes
  - Standard-specific calculation
    Standard-specific calculation
    
    All noise types
    
    Industry
    
    Road
    
    Railroad
    
    Aircraft
Release Notes
Release Notes

Lua Command

For all further information regarding this action see Action „Lua Command“ in the CadnaA Reference Manual.

Copyright © DataKustik GmbH