set y 8.0
set z -2.0
set pp_ch1 1
-set pp_ch2 1
-set pp_ch3 1.1865241781930462
+set pp_ch2 1.1865241781930462
restore [locate_data_file bug23706_c03.draw] c
set info [proj c $x $y $z]
regexp {parameter 1 += +([-0-9.+eE]+)} $info full pp1
regexp {parameter 2 += +([-0-9.+eE]+)} $info full pp2
-regexp {parameter 3 += +([-0-9.+eE]+)} $info full pp3
-if { $pp1 != $pp_ch1 || $pp2 != $pp_ch2 || $pp3 != $pp_ch3 } {
+if { $pp1 != $pp_ch1 || $pp2 != $pp_ch2 } {
puts "Error : Projection is not correct"
} else {
puts "OK: Projection is correct"