assign.size : <anonymous>: no visible global function definition for
  ‘centroid.owin’
assign.size : <anonymous>: no visible global function definition for
  ‘ppp’
assign.size : <anonymous> : <anonymous>: no visible global function
  definition for ‘nncross’
assign.size : <anonymous>: no visible global function definition for
  ‘marks’
assign.size : <anonymous> : <anonymous>: no visible global function
  definition for ‘area.owin’
assign.size : <anonymous> : <anonymous>: no visible global function
  definition for ‘diameter’
assign.size : <anonymous>: no visible global function definition for
  ‘hyperframe’
assign.size : <anonymous>: no visible global function definition for
  ‘marks<-’
assign.size : <anonymous>: no visible global function definition for
  ‘superimpose’
assign.value : <anonymous>: no visible global function definition for
  ‘marks’
assign.value : <anonymous>: no visible global function definition for
  ‘npoints’
convert.ijdata: no visible global function definition for ‘ppp’
convert.ijdata: no visible global function definition for ‘psp’
convert.ijdata: no visible global function definition for ‘superimpose’
create.rawDist: no visible global function definition for ‘marks’
create.rawDist: no visible global function definition for ‘marks<-’
create.rawDist : <anonymous>: no visible global function definition for
  ‘marks’
create.rawDist : <anonymous>: no visible global function definition for
  ‘marks<-’
create.rawDist: no visible global function definition for ‘owin’
create.rawDist: no visible global function definition for ‘ppp’
plot.spotDist: no visible global function definition for ‘coords’
plot.spotDist : <anonymous>: no visible global function definition for
  ‘crossdist’
plot.spotDist : <anonymous>: no visible global function definition for
  ‘coords’
samplemap: no visible global function definition for ‘marks’
samplemap: no visible global function definition for ‘colourmap’
samplemap : <anonymous>: no visible global function definition for
  ‘coords’
samplemap : <anonymous>: no visible global function definition for
  ‘marks’
samplemap: no visible global function definition for ‘coords’
spot.dist : seg.fun: no visible global function definition for
  ‘npoints’
spot.dist : seg.fun: no visible global function definition for ‘coords’
spot.dist : seg.fun: no visible global function definition for ‘psp’
spot.dist : spot.dist.calculation: no visible global function
  definition for ‘nncross’
spot.dist : spot.dist.calculation : <anonymous>: no visible global
  function definition for ‘nncross’
spot.dist : spot.dist.calculation : <anonymous>: no visible global
  function definition for ‘npoints’
spot.dist : spot.dist.calculation : <anonymous>: no visible global
  function definition for ‘superimpose’
spot.dist : spot.dist.calculation : <anonymous>: no visible global
  function definition for ‘project2segment’
spot.dist : spot.dist.calculation : <anonymous> : <anonymous>: no
  visible global function definition for ‘nncross’
spot.dist: no visible global function definition for ‘crossing.psp’
spot.dist: no visible global function definition for ‘superimpose’
spot.dist: no visible global function definition for ‘endpoints.psp’
spot.dist: no visible global function definition for ‘npoints’
spot.dist: no visible global function definition for ‘nncross’
spot.dist: no visible global function definition for ‘marks<-’
spot.dist: no visible global function definition for ‘project2segment’
spot.dist: no visible global function definition for ‘ppp’
spot.dist: no visible global function definition for ‘crossdist’
spot.dist: no visible global function definition for ‘lengths.psp’
spot.dist: no visible global function definition for ‘marks’
spot.dist : <anonymous> : <anonymous>: no visible global function
  definition for ‘edges’
spot.dist : <anonymous> : <anonymous>: no visible global function
  definition for ‘marks<-’
spot.dist : <anonymous> : <anonymous> : <anonymous>: no visible global
  function definition for ‘npoints’
spot.dist : <anonymous> : <anonymous> : <anonymous>: no visible global
  function definition for ‘crossing.psp’
spot.dist : <anonymous> : <anonymous> : <anonymous>: no visible global
  function definition for ‘marks’
spot.dist : <anonymous> : <anonymous>: no visible global function
  definition for ‘as.ppp’
spot.dist : <anonymous> : <anonymous>: no visible global function
  definition for ‘nncross’
spot.dist : <anonymous> : <anonymous>: no visible global function
  definition for ‘marks’
spot.dist : <anonymous>: no visible global function definition for
  ‘superimpose’
Undefined global functions or variables:
  area.owin as.ppp centroid.owin colourmap coords crossdist
  crossing.psp diameter edges endpoints.psp hyperframe lengths.psp
  marks marks<- nncross npoints owin ppp project2segment psp
  superimpose