## toxi.sim.erosion Class TalusAngleErosion

```java.lang.Object toxi.sim.erosion.ErosionFunction toxi.sim.erosion.TalusAngleErosion
```

`public class TalusAngleErosionextends ErosionFunction` For each neighbour it's computed the difference between the processed cell and the neighbour:

``` d[i] = h - h[i];
```
the maximum positive difference is stored in d_max, and the sum of all the positive differences that are bigger than T (this numer is n), the talus angle, is stored in d_tot. Now it's possible to update all the n cells (where d[i] is bigger than T) using this formula:
``` h[i] = h[i] + c * (d_max - T) * (d[i] / d_tot);
```
and the main cell with this other formula:
``` h = h - (d_max - (n * d_max * T / d_tot));
```
The Talus angle T is a threshold that determines which slopes are affected by the erosion, instead the c constant determines how much material is eroded.

Constructor Summary
```TalusAngleErosion(float theta, float amount)```

Method Summary
` void` ```erodeAt(int x, int y)```

Methods inherited from class toxi.sim.erosion.ErosionFunction
`erode`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### TalusAngleErosion

```public TalusAngleErosion(float theta,
float amount)```
Parameters:
`theta` - talus angle
`amount` - material transport amount
Method Detail

### erodeAt

```public void erodeAt(int x,
int y)```
Specified by:
`erodeAt` in class `ErosionFunction`