retrieves the structural constant for a specific bridge and frequency ID by accessing the corresponding data from the railway track's bridge constants

@return Do not add receivers closer to specified distance

This table must contain a POLYGON column, where Z values are wall bottom position relative to sea level. It may also contain a height field (0-N] aver

@param triangle @return

Retrieves the parameters defined for different time periods. @return a map where the keys represent the time periods (e.g., "D", "E", "N") as strings

@param freq Frequency (Hz) @param humidity Humidity % @param pressure Pressure in pascal @param T_kel Temperature in kelvin @return Atmospheric absorp

This function calculates the atmospheric attenuation coefficient of sound in air ISO 9613-1:1993(F) @param frequency acoustic frequency (Hz) @param hu

Retrieves the computation envelope based on data stored in the database tables. @param connection the database connection. @return the computation env

Retrieves the computation envelope based on data stored in the database tables. @param connection the database connection. @return the computation env

@return Factory to create an output data handler for each cell the default is {@link DefaultCutPlaneProcessing}

Allow to get the current value @return a list of values in String

Returns the custom configuration map. @return the custom configuration

@return Default favourable probability (0-1)

Get the primary key of the directional sphere (a table with various directional sphere can be given by the user) @return integer and primary key

@return Coefficient used for exporting less cells (1 all cells, 2 for size / 2)

@return When an exception occur, this folder with receiver the input data

@return Merge vertices closer than specified epsilon

Retrieves the exact frequency array used within the class. @return a list of doubles representing the exact frequency values in the array.

@return When an exception occur, this folder with receiver the input data

@return Imported geometries are filtered using this optional envelope

@return Frequencies of columns

Retrieves the frequency array used within the class. @return a list of integers representing the frequency values in the array.

@return Obstruction global alpha or impedance

Retrieve the ground effect area footprint. @return The ground effect area footprint.

@return Ground factor of the source area. Gs=0 for road platforms, slab tracks. Gs=1 for rail tracks on ballast

@return {@link #getBuildingsTableName()} eName} table field name for buildings height above the ground.

@return {@link #buildingsTableName} table field name for buildings height above the ground.

Compute a and b linear function of the line p1 p2 @param p1 p1 @param p2 p2 with p2.x != p1.x @return [a,b] linear function parameters.

NFS 31-133 P.69 Annex E @param xzList Line coordinates in the same plan of the line formed by the first and the last point.

@return The envelope of computation area.

@return maximum dB Error, stop calculation if the maximum sum of further sources contributions are smaller than this value

Retrieve the global profile envelope. @return The global profile envelope.

@return Do not evaluate a computation cell if there is no source geometries at least at x meters from the cell envelope

get Nb of coach by vehicle @param typeVehicle @return

@param typeVehicle @return

When the processDelaunay has been called, retrieve results Triangle link triangles neighbor by their index.

@return Top obstacle altitude value in meters

ChangeCoordinateSystem, use original coordinate in 3D to change into a new markland in 2D with new x' computed by algorithm and y' is original height

Gets the name of the table that contains the period-specific atmospheric settings. @return The table name storing the period atmospheric settings use