finding links at edge of raster
finding links at edge of raster

Added 8 little scripts to identify horizontal or vertical links along
the 4 sides of a raster (bottom edge, left edge, top edge, right edge)

SiccarPoint/landlab,csherwood-usgs/landlab,RondaStrauch/landlab,RondaStrauch/landlab,decvalts/landlab,landlab/landlab,laijingtao/landlab,landlab/landlab,decvalts/landlab,Carralex/landlab,cmshobe/landlab,cmshobe/landlab,ManuSchmi88/landlab,csherwood-usgs/landlab,SiccarPoint/landlab,RondaStrauch/landlab,Carralex/landlab,ManuSchmi88/landlab,amandersillinois/landlab,laijingtao/landlab,ManuSchmi88/landlab,amandersillinois/landlab,landlab/landlab,cmshobe/landlab,Carralex/landlab