Search Methods (SARTOPO)

Benjamin Piermattei

Please provide a lost hiker heat map for search and rescue. Design as follows:

1. The heat map should account for terrain near the hikers last point seen. I.e. subjects move slower uphill than downhill 

2. Subtract heat, for places already searched for by teams. As time passes since an area has been searched, that area can become hot again. This distance searched by a team is a function of terrain steepness and vegetation cover. These multipliers can be adjusted in the layer settings based upon local knowledge. However, eventually it should be determined based upon general location. 

3. The total amount of heat should always be equal to “1”. This way I should able to quickly understand my probably of finding my subject at a given location. i.e. the value is 0.05. Thus the probability the subject is at my location is 5%. I should be able to explorer the map and look at different values at way point etc.

4. The heat map should widen with time especially in the down hill direction.

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