New CadnaA - Features
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1 New CadnaA - Features Version hm - page 1 of 37 -
2 Standards/Guidelines New Austrian road guideline RVS 4.02 implemented The new Austrian road guideline RVS 4.02 has been implemented. This offers daily and hourly traffic data (JDTV, MSV) for all three time intervals day/evening/night. Dialog Configuration Country Austria - page 2 of 37 -
3 Standards/Guidelines New German aircraft noise guideline AzB (darft 2007) implemented In conjunction with the new German Act on Aircraft Noise the calculation procedure AzB has been modified and is now implmeneted (with draft 2007). The main changes compared with AzB (1975) are: segmentation procedure using straight lines terrain is considered ground noise modelled for separate aircraft tracks modelling of helicopter tracks modified emission data for severeal aircraft groups margin considering the spread of flight directions based on data covering the last 10 years Dialog Configuration County (user defined) AzB 07 - page 3 of 37 -
4 Calculation Multithreading for calculations CadnaA supports multi-threading for calculations of noise grids and façade levels. On the dialog "Multithreading" you can decide alternatively to use a single, all available, or a distinct selection of processors to be used for a calculation job. For a PC with two quad-core CPUs eight processes are displayed on the Windows- Task-Manager, all running at 100% CPU-capacity. Imagine: You require just a single CadnaA-licence for a multi-core PC able to handle up to 8 processes in parallel! In addition, the hardware costs are reduced compared with 8 single PCs! CadnaA- Dialog "Multithreading" (Options menu Multi-Threading) Windows Task-Manager with 8 processors working parallel - page 4 of 37 -
5 Calculation Several CADNAA.INI-files possible When quitting CadnaA all relevant program setting and configurations are stored in the CADNAA.INI in the Windows-directory. Now, multiple INI-files are possible, controlled via the command line editor having the following structure: C:\Programme\DataKustik\CadnaA /ini=xxx.ini OR C:\Programme\DataKustik\CadnaA /ini=c:\directory\xxx.ini This file link will start CadnaA with the settings stored in the file xxx.ini. Properties of file link CADNAA1 - page 5 of 37 -
6 CadnaA Program Features CadnaA New features Calculation Austrian industry guideline ÖAL 28: new options 1. DeltaLs without Limit: With activated option the limitation of screening attenuation DeltaLs is ignored. 2. Sources in Building/Cylinder do not shield: With this option activated the screening for sources the x,y,z-coordinates of which are inside a building or cylinder is not considered. This option enables - for instance - to model the radiation from stacks based on emission data including the screening effect already. Dialog Configuration Industry (County: Austria) - page 6 of 37 -
7 Calculation Austrian road guideline RVS 4.02: percentage of light/heavy trucks with noise reduction specified separately On the road dialog the percentage of light trucks with noise reduction and of heavy trucks with noise reduction is now specified separately. Dialog Road (Standard: RVS 4.02) - page 7 of 37 -
8 Calculation Meteorology accord. to German VBUI selectable With implementation of the European Environmental Noise Directive in Germany, a meteological correction C0 for day/evening/night = 2/1/0 db is prescribed. Dialog Configuration Industry (standard: ISO 9613) - page 8 of 37 -
9 Calculation Change when treating lateral diffraction with ISO With calculation accord. to ISO the receiver level including buildings and terrain could be higher, than just with terrain (e.g. with the buildings deactivated). The cause for this unexpected result is due to lateral screening: When calculating the screening effect by terrain no lateral screening is calculated. With an additional bulding, however, the effect by lateral screening around the building is added. This could at ceratin location cause an increase of the level. In order to avoid this unrealistic effect, CadnaA 3.7 applies a modified strategy: In case the screening effect by the building is smaller than without the building (i.e. terrain only) the screening effect ignoring the building is considered. The application of this strategy can be deactivated via a local textblock OPT_OLD_CALC with the text "SBEUG_X115=1". to present: level due to lateral screening is higher with building than without now: level due to lateral screening with building cannot be higher than without - page 9 of 37 -
10 Calculation French road noise standard NMPB: switchable emission model With the French road noise standard NMPB selected the emission model can be switched among NMPB, Mithra und EN (i.e. EC-directive 2003/613/EG). emission modell for NMPB switchable - page 10 of 37 -
11 Calculation Emission model NMPB-FER now applies two emission heights Within the emission model NMPB-FER now two emission heights are applied: 0.05 m and 0.8 m above rail surface. The train classes accord. to NMPB-Fer are available for download from the DataKustik web-site. Import via File menu Import FileType: Mithra Trains (to Tables (local) TrainClasses). Train Classes NMPB-Fer (Tables (local) TrainClasses) - page 11 of 37 -
12 Calculation QSI-statistics according to DIN Annex F (quality management) Annex F of DIN (Acoustics Software products for the calculation of the sound propagation outdoors Quality requirements and test conditions, ed.: May 2006) describes a statistical qualification procedure for level differences in a situation based on two different configuration settings. From the level differences at at least 20 receiver points between two configuration settings (reference and project configuration) the 0.1- and the 0.9- quantiles are estimated and stated. access of QSI-dialog - Statistical Analysis QSI-analysis: results for 20 newly-generated receiver points - page 12 of 37 -
13 Calculation Option MITHRA with NMPB-Fer: source location shifted With MITHRA-compatibility activated (requires option MITHRA) and NMPB-Fer selected for railway noise, the source is shifted towards the receiver points by half of the rail's spur width. With MITHRA-compatibility deactivated the emission origiantes - as before - from the center line. emission line shifted towards the receiver (with rays generation activated) - page 13 of 37 -
14 Calculation Air attenuation for ISO can be specified The air attenuation for calculations according to ISO can be referenced by an absorption spectrum. To this end, generate a spectrum in the local library "Absorptions" with the ID "SYS_ATM_ABSORB". The values have to be specified in db/km. definition of user-defined ISO-air attenuation in the local libary "Absorptions" - page 14 of 37 -
15 Calculation Austrian railway guideline S considers hourly allocation With the Austrian railway guideline S the hourly allocation D/E/N (tab Reference Time) is considered. In tab Railway the specified hourly allocation is displayed dynamically. dynamic display of hourly allocation D/E/N on tab Railway (country: Austria) - page 15 of 37 -
16 Calculation Textblock CALC_TIME generated also for calculations with single receivers As before just with grid and façade calculations now informations on a calc run even for single receiver calculations are stored in the local textblock CALC_TIME. The number of receivers, the calculation time required, and the start and end time in seconds are stored. local textblock CALC_TIME at the end of a calculation run - page 16 of 37 -
17 Calculation Option BPL: horizontal distance for optimisable source accord. to DIN In the configurations of option BPL ("Backtracing of Power Levels") it can be specified that the horizontal distance for the calculation of divergence shall be used (complies with specifications in DIN 45691: Noise Allotment). option BPL: horizontal distance with optimisable sources - page 17 of 37 -
18 Objects and Object-Operations Dialog "Building Noise Map": façade points accord. to VBEB The segmentation of facades according to the German VBEB-procedure applies a different strategy than specifyable by the default CadnaA-settings. dialog Building Noise Map - page 18 of 37 -
19 Objects and Object-Operations New attributes for façade points Attribute FAC_EINW_V CENTER_X CENTER_Y CENTER_ANG Remarks inhabitants per façade point accord. to VBUS (= inhab_total / No_of_façade_points) In comparison to FAC_EINW the attribut FAC_EINW_V ist not referenced to façade length and - therfore - matches with the requirements in the VBEB-procedure. x-coordinate of the buildings center point y-coordinate of the buildings center point angle between the buildings center point and the each facade point (North = Zero) The data of the façade points can be exported as a report table (keyword: #(Table, FacPoint). - page 19 of 37 -
20 Objects and Object-Operations Polygons: new attributes PO_HABS and PO_HGND By the new attributes PO_HABS (polygon height absolute) and PO_HGND (polygon height ground) all points of a polygon (list of points, dialog Geometry) can be set to a common height or ground height. When reading PO_HABS and PO_HGND the average will be displayed. Via the dialog "Modify Objects Modify Attributes" the additional attributes PO_HGND[MIN MAX] and PO_HGND[MIN MAX] are available. This enables - for instance - to delete all heights points upon condition (e.g. all height points below zero height). - page 20 of 37 -
21 Objects and Object-Operations Road: new road sections + display additional with with single-track roads On dialog "Road Width" additional cross-sections (Q1..3-RAS, Q1..4-RAL) can be selected. These result from the following German publications: Entwurfhinweise für planfreie Knotenpunkte an Straßen der Kategoriengruppe B, RAS-K-2-B, Ausgabe Aktuelle Hinweise zur Gestaltung planfreier Knotenpunkte außerhalb bebauter Gebiete, AH-RAL-K-2, Ausgabe new road sections - page 21 of 37 -
22 Objects and Object-Operations Road: selection of cross-section respects additional widths When selecting a pre-defined cross-section the respective additional width refering to the entire road profile is copied to the dialog "Geometry" in part "Self-Screening". This feature faciliates the consideration of ground absorption fopr the entire road width (see also: dialog Configuration, tab Ground Absorption). selection of RQ 9: additional width left/right: 3 m each definition of additional width based on selection of cross-section - page 22 of 37 -
23 Objects and Object-Operations Plot-Designer: symbol cell (North arrow) with rotation PlotDesigner allows now to rotate symbol cells by entering an angle. Alternatively, the rotation angle can refer to a rotated section. The rotation angle of a section can be referred to in symbol cells (e.g. North arrow) in PlotDesigner. - page 23 of 37 -
24 Objects and Object-Operations New keywords New keywords for Print Report, Export (*.txt) or PlotDesigner: #(ObjAtt, CALC_CONF, attr) #(CALC_CONF, attr, val) prints/exports figures from the Configuration of Calculation, availabe for the following attributes "attr": MAXERROR SEARCHRAD RASTER_INT RASTERFACT PROJ_LQ PROJ_FQ REFLORDER REFL_DMAX REFL_DMAXI REFL_RAD_S REFL_RAD_R sets an attribute for the Configuration of Calculation, e.g.: #(CalcConf, MAXERROR, 1.0) #(CalcConf, SEARCHRAD, 1000) #(ObjAttAll, otyp, attr) sets the max. error to 1 db and the search radius to 1000 m. prints/exports the attribute "attr" for all objects of a specified type, e.g.: #(ObjAttAll, 0A000001, ID) #(ObjAttAll, 0A000001, DTV) #(Text, CALC_TIME) #(Text, CALC_TIME,,,,Points) #(Text, BezTextbaustein) #(Text, BezTextbaustein,,,,var) #(Table, FacPoint) exports ID and MDTD for all roads to a TAB-separated table. The "otyp" corresponds with the string as displayed in labels. for PlotDesigner only: displays text from the textblock CALC_TIME for PlotDesigner only: exports the value of the variable "Points" from textblock CALC_TIME exports the entire textblock "BezTextbaustein" exports the value of the variable "var" from the textblock exports the table with facade point data Fassadenpunkt-Tabelle (just for export, not for print) - page 24 of 37 -
25 Objects and Object-Operations Dialog "Modify Objects": activation now with group-selection On the dialog "Modify Objects", a selected action can now be restricted just to the objects of a group (besides the existing option "all"). dialog "Modify Objects": selecting a group - page 25 of 37 -
26 Objects and Object-Operations Directivity vector is transformed When transformating point, line, and area sources a entered directivity vector is transformed as well. rotation of a point source by 90 degrees after recalculation: directivity vector transformed - page 26 of 37 -
27 Objects and Object-Operations Transformation: geodetic coordinates assignable In addition to the existing types of transformation the geodeatic transformation is now available. On the dialog Coordinate System (Options menu) the present coordinate system can be selected. geodeatic transformation selection of the active coordinate system (Options menu Coordinate System) - page 27 of 37 -
28 Objects and Object-Operations Option FLG: specification of sound power level For an aircraft class (take-off and landing of an aircraft group) the sound power level PWL can now be specified, as an alternative to the sound pressure level per octave On and the distance s0. The power level is the emission parameter in DIN and AzB Furthermore, the directivity indices Rn1..3 to describe the directivity in more detail (accord. to AzB 2007) is available. dialog Aircraft Class - page 28 of 37 -
29 Objects and Object-Operations Option APL: new option "Overwrite old "Time-Series" file" In the configuration dialog for Aiir Pollution (Calculation menu) various new options are available. The option "Delete old wind files (LIB)" enables to reuse existing wind-filed files for a calculation of dispersion (e.g. in case just the emission has been changed). By the option "Overwrite old 'Time-Series' file" prevents delete of an existing time-series (e.g. in case the time-series has been altered manually). configuration Air Pollution (Calculation menu) - page 29 of 37 -
30 Objects and Object-Operations Option APL: paste emission data from ASCII- and XLS-tables The emission data for roads can be copied/pasted from ASCII- and XLS-tables via the clipboard. The data will be pasted starting form the cell in the upper left corner. dialog Emission of Pollutants (Road) - page 30 of 37 -
31 Objects and Object-Operations More new features calculations and actions via dialog "Modify Objects" can be cancelled cycling 3D-animation with closed polygons (stop by ESC) dialog "Modify Objects ": action "Snap point to facade" accelarated action "Delete Height Points" (Tables menu/misc.): result does not depend on sequence of points and compares with the resulting terrain model, and not with the present one action "Delete Height Points - Multifile": allows multiple ASCII-file selection upon subsequent dialog (useful for noise mapping) vertical grid: applies the same scale as horizontal grid upon 1st access - page 31 of 37 -
32 Import/Export/Output Export to Google Earth Geo-referenced CadnaA-files can now be exported to GoogleEarth (File menu Export, GoogleEarth (*.kml)). Via the Options dialog the range of export and the object mode (Screenshot only, 2D, 3D) is selected. A horizontal grid (with transparency) can be exproted as well. KMZ-files are compressed KML-files which include a BMP-file used in CadnaA. GoogleEarth will not display KMZ-files containg bitmaps. dialog Options for KML-Export 3D-objects in GoogleEarth - page 32 of 37 -
33 Import/Export/Ausgabe Import from Google Earth Bitmaps from GoogleEarth can be imported into CadnaA. This requires that the present version of GoogleEarth is installed and the object coordinates in CadnaA are specified in a national or international coordinate system. The selection of import range can alternatively occur within GoogleEarth or based on the object coordinates of the bitmap-object in CadnaA. options for GoogleEarth-import bitmap imported from GoogleEarth - page 33 of 37 -
34 Import/Export/Output Enhanced import for ASCII-objects The import of object geometry from ASCII-files has been enhanced considerably with increased ease-of-use. Object geometry can now be addressed to CadnaA-objects directly. You can specify the first line of import, the type of column delimiter, the assignment of columns for x,y,z-coordinates (for max. 20 lines resp. columns). On the lower part of the dialog, a preview of the file to be imported and the point list as imported are displayed. dialog Options for ASCII-Import - page 34 of 37 -
35 Import/Export/Output Stratis-import filter enhanced The following features have been added to the Stratis-import filter: import of the roads axis as aux poly, automatic import of defined areas, considers an entered additional width right/left, considers asymmetrical cross-sections and lateral slopes, import object designation as defined in Stratis. - page 35 of 37 -
36 Import/Export/Output More new features automatic completition of file extensions export to Direct3D-X (format *.x) QSI-import/export: with point, line, and area sources the PWL-correction will be considered via the operation time import of Immi 6-grids (Grid menu Open, format *.ird) import/export of NMGF-plot files (import from NMPlot, TNM, INM, format *.grd) ArcView-export of facade points: 3D-export generates 3D-areas (aux polys), 2D-export generates points ODBC-import of sound levels: attributes for area, nearfield correction, distance and sphere partition added (import of octave data via SIN_XXXX) QSI-import respects a directivity entered (original QSI-file format has no directivity) ODBC-import of directivities available import Building-Height-Points: "mean building height" written to textvariable - page 36 of 37 -
37 Debugging VBUS (German road noise method for EU-noise mapping) now with correct C0 D/E/N Multithreading possible with equations as performance parameters and with uncertainty Sigma calculation of receiver levels for periods Evening/Night with NMPB-FER and Schall03 200X corrected - page 37 of 37 -
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