calc_first

Takes multiple logical SpatRasters with time attribute and
returns SpatRaster with common time and TRUE if any SpatRaster is TRUE.

internal

Methods to calculate and present 'PHENTHAUproc', an early warning and decision support system for hazard assessment and control of oak processionary moth (OPM) using local and spatial temperature data. It was created by Halbig et al. 2024 (<doi:10.1016/j.foreco.2023.121525>) at FVA (<https://www.fva-bw.de/en/homepage/>) Forest Research Institute Baden-Wuerttemberg, Germany and at BOKU - University of Natural Ressources and Life Sciences, Vienna, Austria.

Lorenz Bachfischer

PHENTHAUproc

Phenology Modelling of Thaumetopoea Processionea

Department of Forest Protection, FVA 

calc_first function

<dl><dt>...</dt>
<dd>SpatRasters/SpatRaster list - logical - with time attribute</dd></dl>

Arguments

Calculate first TRUE — calc_first

<dl>

<dt>...</dt>
<dd>SpatRasters/SpatRaster list - logical - with time attribute</dd>

</dl>

calc_first: Calculate first TRUE

Description

Usage

Value

Arguments

See Also