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…t_param Add input param
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Acoustic parameters | ||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||
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In the different WPS scripts of NoiseModelling, you will find many input parameters, mandatory or optional. | ||
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Below we list the most important ones, indicating, where necessary, the default values and those we recommend (from an acoustic point of view). | ||
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.. figure:: images/Input_tables/acoustics_parameters_banner.png | ||
:align: center | ||
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The following parameters may be found in the scripts dealing with noise emission or propagation (*e.g* ``Noise_level_from_traffic``, ``Noise_level_from_source```, ...) | ||
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Probability of occurrences | ||
-------------------------------- | ||
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* Parameter name: ``confFavorableOccurrencesXXXXX`` (with ``XXXXX`` = evening, day, night, ...) | ||
* Description: Comma-delimited string containing the probability ([0,1]) of occurrences of favourable propagation conditions. Follow the clockwise direction. The north slice is the last array index (n°16 in the schema below) not the first one | ||
* Type: Double | ||
* Default value: ``0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5`` | ||
* Recommanded value: | ||
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.. figure:: images/Input_tables/acoustics_parameters_confFavorableOccurrences.png | ||
:align: center | ||
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Relative humidity | ||
-------------------------------- | ||
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* Parameter name: ``confHumidity`` | ||
* Description: Humidity for noise propagation (%) [0,100] | ||
* Type: Double | ||
* Default value: ``70`` | ||
* Recommanded value: depends on the average conditions at the location where you perform the simulation | ||
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Air temperature | ||
-------------------------------- | ||
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* Parameter name: ``confTemperature`` | ||
* Description: Air temperature (°C) | ||
* Type: Double | ||
* Default value: ``15`` | ||
* Recommanded value: depends on the average conditions at the location where you perform the simulation | ||
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Order of reflexion | ||
-------------------------------- | ||
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* Parameter name: ``confReflOrder`` | ||
* Description: Maximum number of reflections to be taken into account. Warning: adding 1 order increases the processing time significantly | ||
* Type: Integer | ||
* Default value: ``1`` | ||
* Recommanded value: ``1`` or ``2`` | ||
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Diffraction on horizontal edges | ||
-------------------------------- | ||
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* Parameter name: ``confDiffHorizontal`` | ||
* Description: Compute or not the diffraction on horizontal edges | ||
* Type: Boolean | ||
* Default value: ``False`` | ||
* Recommanded value: ``True`` | ||
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Diffraction on vertical edges | ||
-------------------------------- | ||
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* Parameter name: ``confDiffVertical`` | ||
* Description: Compute or not the diffraction on vertical edges. Following Directive 2015/996, enable this option for rail and industrial sources only | ||
* Type: Boolean | ||
* Default value: ``False`` | ||
* Recommanded value: | ||
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Maximum source-receiver distance | ||
---------------------------------- | ||
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* Parameter name: ``confMaxSrcDist`` | ||
* Description: Maximum distance between source and receiver (meters) | ||
* Type: Double | ||
* Default value: ``150`` | ||
* Recommanded value: Between ``500`` and ``800`` | ||
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.. figure:: images/Input_tables/acoustics_parameters_confMaxSrcDist.png | ||
:align: center | ||
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Maximum source-reflexion distance | ||
------------------------------------ | ||
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* Parameter name: ``confMaxReflDist`` | ||
* Description: Maximum search distance of walls / facades from the "Source-Receiver" segment, for the calculation of specular reflections (meters) | ||
* Type: Double | ||
* Default value: ``50`` | ||
* Recommanded value: Between ``350`` and ``800`` | ||
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.. figure:: images/Input_tables/acoustics_parameters_confMaxReflDist.png | ||
:align: center | ||
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Wall absorption coefficient | ||
-------------------------------- | ||
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* Parameter name: ``paramWallAlpha`` | ||
* Description: Wall absorption coefficient [0,1] (between ``0`` : "fully absorbent" and ``1`` : "fully reflective") | ||
* Type: Double | ||
* Default value: ``0.1`` | ||
* Recommanded value: ``0.1`` | ||
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Separate receiver level by source identifier | ||
--------------------------------------------- | ||
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* Parameter name: ``confExportSourceId`` | ||
* Description: Keep source identifier in output in order to get noise contribution of each noise source | ||
* Type: Boolean | ||
* Default value: ``False`` | ||
* Recommanded value: | ||
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Thread number | ||
-------------------------------- | ||
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* Parameter name: ``confThreadNumber`` | ||
* Description: Number of thread to use on the computer | ||
* Type: Integer | ||
* Default value: ``0`` (``0`` = Automatic. Will check the number of cores and apply -1. (*e.g*: 8 cores = 7 cores will be used)) | ||
* Recommanded value: ``0`` |
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Receivers | ||
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | ||
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NoiseModelling is a tool for producing noise maps. To do so, at different stages of the process, the application needs input data, respecting a strict formalism. | ||
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Below we describe the table ``RECEIVERS``, dealing with the receivers. | ||
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The other tables are accessible via the left menu in the ``Input tables & parameters`` section. | ||
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.. figure:: images/Input_tables/receivers_banner.png | ||
:align: center | ||
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Table definition | ||
******************** | ||
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.. warning:: | ||
The two following columns are mandatory | ||
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* ``PK`` | ||
* Description: receiver's unique identifier. | ||
* Type: Integer - Primary Key | ||
* ``THE_GEOM`` | ||
* Description: 3D receiver's geometry. Z coordinate correspond to the receiver's altitude | ||
* Type: Geometry (``POINT`` or ``MULTIPOINT``) | ||
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If you are working with receivers based on buildings (*e.g* 50 cm around the building's facades - see ``Building_grid`` script), your ``RECEIVERS`` table will need this additional column: | ||
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* ``BUILD_PK`` | ||
* Description: building's Primary Key (``PK``), allowing to link the receivers with their building | ||
* Type: Integer | ||
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Parameters | ||
******************** | ||
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Below are listed the most important input parameters that may be found in the scripts dealing with receivers generation (*e.g* ``Building_grid``, ``Delaunay_grid``, ...) (see ``Receivers`` section in the left-side menu of NoiseModelling). | ||
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These parameters can be mandatory or optional. When necessary, we indicates the default values and those we recommend (from an acoustic point of view). | ||
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Maximum area | ||
------------------------- | ||
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* Parameter name: ``maxArea`` | ||
* Description: Set Maximum Area. No triangles larger than the provided area will be created. Smaller area will create more receivers (square meters) | ||
* Type: Double | ||
* Default value: ``2500`` | ||
* Recommanded value: ``2500`` | ||
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.. figure:: images/Input_tables/receivers_maxArea.png | ||
:align: center | ||
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Maximum cell size | ||
-------------------------------- | ||
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* Parameter name: ``maxCellDist`` | ||
* Description: Maximum distance used to split the domain into sub-domains. In a logic of optimization of processing times, it allows to limit the number of objects (buildings, roads, ...) stored in memory during the Delaunay triangulation (meters) | ||
* Type: Double | ||
* Default value: ``600`` | ||
* Recommanded value: | ||
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.. figure:: images/Input_tables/receivers_maxCellDist.png | ||
:align: center | ||
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Road width | ||
-------------------------------- | ||
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* Parameter name: ``roadWidth`` | ||
* Description: Set Road Width. No receivers closer than road width distance will be created (meters) | ||
* Type: Double | ||
* Default value: ``2`` | ||
* Recommanded value: | ||
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Height | ||
-------------------------------- | ||
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* Parameter name: ``height`` | ||
* Description: Receiver height relative to the ground (meters) | ||
* Type: Double | ||
* Default value: ``4`` | ||
* Recommanded value: |
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