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CadnaA Documentation
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Introduction
Reference
Attributes, Variables & Keywords
Release Notes
CadnaA Documentation
Introduction
Introduction
1. Introduction
1. Introduction
CadnaA - The leading software for calculating environmental noise
Structure of CadnaA documentation
Selecting Calculation Standards
How to learn CadnaA
2. Installation
2. Installation
Installing CadnaA
Sentinel Admin Control Center
Select Language
3. Working with CadnaA
3. Working with CadnaA
Overview
The Main Window of CadnaA
Symbol Bar
CadnaA-Toolbox
Keyboard
Mouse Buttons
Control Elements
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
Overview
Entering Road Geometry
Specifying Road Emission
Road with parallel Barrier
Elevated Roads and Bridges
Wall Optimization
Pass-By Level
8. Modeling Railways
8. Modeling Railways
Overview
Entering & editing of railroads
Creating & Addressing Lists with „Number of Trains“
Railroads on Bridges
9. Data Import
9. Data Import
Overview
Import & Calibration of Bitmaps
Importing Bitmaps from GoogleMaps
DXF-Import
SHP-Import
ODBC-Import
10. Groups & Variants
10. Groups & Variants
Overview
Structuring Data by Defining Groups
ObjectTree
Managing Projects using Variants
11. Modify Objects
11. Modify Objects
Overview
Delete
Modify Attribute
Copy Attributes
Duplicating Objects
Force Rectangle
Force Right Angles
Snap point to facade
Modify Order of Points
Spline
Simplify Geometry
Break into pieces
Connect Lines
Transformation
Convert to
Generate Rails
Generate Station
Generate Building Evaluation
Generate Label
Generate Floors
Parallel Object
Activation
Multiselect
Change ObjectTree assignment
Swap Name/ID
Delete Duplicates
Fit DTM to Object
Fit Object to DTM
Break Lines
Break Areas
Lua Command
12. Context Menu
12. Context Menu
Overview
Edit Object
Modify Objects
Import here
Show on GoogleMaps
Cross Section
3D (Special)
Set Length
Reference
Reference
1. Introduction
1. Introduction
Overview
Structure of CadnaA documentation
Literature
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
Result Table
Building Noise Map
Grid Evaluation
Grid Arithmetics
Object Scan
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
Searching for Strings
Replacing Strings
Modifying Strings
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
CadnaA 2026 MR1
CadnaA 2026
CadnaA 2025 MR1
CadnaA 2025
CadnaA 2024 MR1
CadnaA 2024
CadnaA 2023 MR2
CadnaA 2023 MR1
CadnaA 2023
CadnaA 2022 MR2
CadnaA 2022 MR1
CadnaA 2022
CadnaA 2021 MR2
CadnaA 2021 MR1
FileZeit
returns the time when the project file was created
Syntax
#(Keyword)
Keyword
FileZeit
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