envelope4idar: no visible global function definition for ‘owin’
envelope4idar: no visible global function definition for
  ‘progressreport’
envelope4idar: no visible global function definition for ‘fv’
idar2: no visible global function definition for ‘inside.owin’
idar2: no visible global function definition for ‘bdist.points’
ifdar: no visible global function definition for ‘is.ppp’
ifdar: no visible global function definition for ‘erosion’
ifdar: no visible global function definition for ‘inside.owin’
ifdar: no visible global function definition for ‘bdist.points’
ifdar: no visible global function definition for ‘fv’
ipscar: no visible global function definition for ‘is.ppp’
ipscar: no visible global function definition for ‘erosion’
ipscar: no visible global function definition for ‘inside.owin’
ipscar: no visible global function definition for ‘bdist.points’
ipscar: no visible global function definition for ‘fv’
ipsear: no visible global function definition for ‘is.ppp’
ipsear: no visible global function definition for ‘erosion’
ipsear: no visible global function definition for ‘inside.owin’
ipsear: no visible global function definition for ‘bdist.points’
ipsear: no visible global function definition for ‘fv’
ipsim: no visible global function definition for ‘rpoispp’
ipsim: no visible global function definition for ‘area.owin’
ipsim: no visible global function definition for ‘density.ppp’
ipsim: no visible global function definition for ‘unmark’
ipsimlist : <anonymous>: no visible global function definition for
  ‘unmark’
ipsrar: no visible global function definition for ‘is.ppp’
ipsrar: no visible global function definition for ‘erosion’
ipsrar: no visible global function definition for ‘inside.owin’
ipsrar: no visible global function definition for ‘bdist.points’
ipsrar: no visible global function definition for ‘fv’
ipsvar: no visible global function definition for ‘is.ppp’
ipsvar: no visible global function definition for ‘erosion’
ipsvar: no visible global function definition for ‘inside.owin’
ipsvar: no visible global function definition for ‘bdist.points’
ipsvar: no visible global function definition for ‘fv’
isar: no visible global function definition for ‘is.ppp’
isar: no visible global function definition for ‘erosion’
isar: no visible global function definition for ‘inside.owin’
isar: no visible global function definition for ‘bdist.points’
isar: no visible global function definition for ‘fv’
localdar: no visible global function definition for ‘is.marked’
localdar: no visible global function definition for ‘marks’
localdar: no visible global function definition for ‘marks<-’
localdar: no visible global function definition for ‘unmark’
localdar: no visible global function definition for ‘gridcentres’
localdar: no visible global function definition for ‘inside.owin’
localdar: no visible global function definition for ‘ppp’
localdar: no visible global function definition for ‘owin’
localdar: no visible global function definition for ‘bdist.points’
localdar: no visible global function definition for ‘as.im’
midar: no visible global function definition for ‘is.ppp’
midar: no visible global function definition for ‘erosion’
midar: no visible global function definition for ‘inside.owin’
midar: no visible global function definition for ‘bdist.points’
midar: no visible global function definition for ‘fv’
multifocalsimulator: no visible global function definition for
  ‘progressreport’
pisar: no visible global function definition for ‘is.ppp’
pisar: no visible global function definition for ‘erosion’
pisar: no visible global function definition for ‘inside.owin’
pisar: no visible global function definition for ‘bdist.points’
pisar: no visible global function definition for ‘fv’
risar: no visible global function definition for ‘is.ppp’
risar: no visible global function definition for ‘erosion’
risar: no visible global function definition for ‘inside.owin’
risar: no visible global function definition for ‘bdist.points’
risar: no visible global function definition for ‘fv’
simulador2 : <anonymous>: no visible global function definition for
  ‘rpoispp’
Undefined global functions or variables:
  area.owin as.im bdist.points density.ppp erosion fv gridcentres
  inside.owin is.marked is.ppp marks marks<- owin ppp progressreport
  rpoispp unmark