--- /dev/null
+puts "============"
+puts "OCC23969"
+puts "============"
+puts ""
+##########################################################################
+# It's impossible to display shape in 3dviewer. Wrong displaying in axo.
+##########################################################################
+
+ReadIges D_First [locate_data_file coque-sup.igs]
+
+XGetOneShape res_1 D_First
+vinit
+vsetdispmode 1
+vdisplay res_1
+vfit
+
+set ver_color [vreadpixel 157 104]
+if {$ver_color == "0 0 0 0"} {
+ puts "ERROR: OCC23969 is reproduced"
+}
+set ver_color [vreadpixel 111 347]
+if {$ver_color == "0 0 0 0"} {
+ puts "ERROR: OCC23969 is reproduced"
+}
+set ver_color [vreadpixel 252 265]
+if {$ver_color == "0 0 0 0"} {
+ puts "ERROR: OCC23969 is reproduced"
+}
+set ver_color [vreadpixel 307 77]
+if {$ver_color == "0 0 0 0"} {
+ puts "ERROR: OCC23969 is reproduced"
+}
+set ver_color [vreadpixel 243 323]
+if {$ver_color == "0 0 0 0"} {
+ puts "ERROR: OCC23969 is reproduced"
+}
+
+set 3dviewer 1