aRTtable-createAndFillColumn {aRT}R Documentation

Creates and fills a column

Description

Create a new column in a table of a cellular layer, filling it with the result of a spatial operation, which can also involve some attribute.

Usage

## S4 method for signature 'aRTtable':
createAndFillColumn(
object, newatt, target, strategy, att, proportion, itime, ftime, dist)

Arguments

object Object of class aRTtable.
newatt The name of the new column.
target An aRTraster or aRTlayer object.
strategy The strategy for filling the attribute: "average", "stdev", "sum", "minimum", "maximum", "majority", "dpoint", "xpoint", "xline", "xpol", "dpol", "dline", "cpoint", "cline", "cpol", "presence", "area", "length", "raverage", "rsum". Under development.
att The atribute used to compute the column (optional)
proportion Whether the calculation will be based on the intersection area, or the weights are equal for each object whth some intersection.
itime The initial time (for temporal tables).
ftime The final time (for temporal tables).
dist The maximum erros when calculating the distance.

Author(s)

Pedro Ribeiro de Andrade

See Also

See aRTtable-class to show the description of this class.


[Package aRT version 1.6-1 Index]