Novapoint Noise Library

Gradient 

04-15-2021 13:57

MOUS_ICO Menu: Noise > Roads and railroads > Gradient…

or

MOUS_ICO Menu: Noise > Roads and railroads > Dialog box
MOUS_ICO Select exactly one road from the list
MOUS_ICO Dialog box: Gradients…

or

nco: Select a road (defined in Novapoint Noise)
MOUS_ICO Popup menu: Gradient…

The gradient calculated as we read the road to Novapoint Noise appears in this dialog box. We have the opportunity to edit the calculated gradient here. The gradient is positive uphill and negative downhill. If the calculated gradient exceeds 150‰ the following message appears on the screen: “A gradient of <max. value>‰ along the road was calculated. Please check gradient data manually!

For the Nordic Calculation method, the gradient contribution to the noise is unrelated to the sign of the gradient. That means the contribution is the same downhill as uphill.

The identity of the selected road is shown below the dialog box header. The list in the dialog box displays gradient data for the different sections.

Object handling

Calculate gradients
Recalculates the gradients for the road. This is useful if the terrain model has been changed in a way that affects the gradients, or if one wants to over-write the manually changed gradient data.

Window handling

+
The height of the window in the dialog box showing the list of roads/railroads is increased.

-
The height of the window in the dialog box showing the list of roads/railroads is decreased.

Segment

Gradient data calculated from the terrain model may be changed here. From and To profile and Gradient for each segment may be entered. The data is registered by clicking Update list. The data is not valid until added to the list.

From
From which profile the change shall be applied.

To
To which profile the change shall be applied.

Gradient
Which gradient to be set for the segment From-To.

Update list
Update the gradient for the segment From-To with the value from Gradient.

Misc.

OK
The dialog box is closed and all noise sources are updated with gradient data from this dialog box.

Cancel
The dialog box is closed without gradient data being changed/registered.

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