puts "============"
puts "OCC25230: Visualization - Test case for selection in perspective views"
puts "Test is made using comparison of selected points with expected to be selected points."
puts "In case of mismatching test will report about an e r r o r of certain type:"
puts "point selection, rectangle selection or polygon selection is broken."
puts "============"
puts ""

vinit View1
vsetdispmode 1
#draw grid of points 7x7
set j 0
for {set x 0} {$x<7} {incr x} {
  for {set y 0} {$y<7} {incr y} {
    vpoint $j $x $y 10
    incr j
  }
}
  for {set x 0} {$x<7} {incr x} {
  for {set y 0} {$y<7} {incr y} {
    vpoint $j $x $y 0
    incr j
  }
}

#prepare view
vtop
vcamera -persp
vfit
vleft
vtop

#check rectagle selection
vselect 200 200 0 0
set stat 0
set result [vstate]
set newlist {}
set ref_selected {55 6 69 18 13 67 54 68 19 12 62 5 53 60 4 61 20 11}
set asplit [split $result "\n"]
for {set i 0} {$i < [llength $ref_selected]} {incr i} {
  lappend newlist [lindex [lindex $asplit $i] 0]
}
set newsorted [lsort $newlist]
set refsorted [lsort $ref_selected]
for {set i 0} {$i < [llength $refsorted]} {incr i} {
  if {[lindex $refsorted $i] != [lindex $newsorted $i]} {
    set stat 1
    break
  }
}

#check point selection
vselect 0 0
vselect 27 28
set stat1 0
set result [vstate]
if {[lindex $result 0] != 6} {
  set stat1 1
}

#check polygon selection
vselect 70 70 0 600 200 600 200 200 600 200 600 70
set stat2 0
set result [vstate]
set newlist {}
set ref_selected {67 97 47 32 12 33 49 74 54 8 50 19\
 9 63 83 56 39 26 66 75 18 95 81 15 89 51 46 76 57 90\
 82 58 65  10 11 25 62 59 14 52 40 60 68 16 55 7 64 61\
 88 69 53 17 96}
set asplit [split $result "\n"]
for {set i 0} {$i < [llength $ref_selected]} {incr i} {
  lappend newlist [lindex [lindex $asplit $i] 0]
}
set newsorted [lsort $newlist]
set refsorted [lsort $ref_selected]
for {set i 0} {$i < [llength $refsorted]} {incr i} {
  if {[lindex $refsorted $i] != [lindex $newsorted $i]} {
    set stat2 1
    break
  }
}

if {$stat  == 1} { puts "Error : Perspective selection by rectangle is broken." }
if {$stat1 == 1} { puts "Error : Perspective selection by point is broken." }
if {$stat2 == 1} { puts "Error : Perspective selection by polygon is broken." }
vdump ${imagedir}/${casename}.png