OCCT

puts "============"
puts "OCC25971"
puts "============"
puts ""
#######################################################################
# Near B-Spline knots get merged after saving/restoring (exporting/importing)
#######################################################################

pload XDE

restore [locate_data_file bug25971_a_328_1.brep] a

fixshape f a 1e-6
explode f e

dump f_4

newmodel
set aFile ${imagedir}/bug25971.stp
catch { file delete ${aFile} }

stepwrite a a ${aFile}

stepread ${aFile} ff *

catch { file delete ${aFile} }

set nbshapes_expected "
Number of shapes in shape
 VERTEX    : 4
 EDGE      : 5
 WIRE      : 1
 FACE      : 1
 SHELL     : 1
 SOLID     : 0
 COMPSOLID : 0
 COMPOUND  : 0
 SHAPE     : 12
"
checknbshapes ff_1 -ref ${nbshapes_expected} -t -m "Saved shape"

tpstat c ; #Exception caught for the shell

vinit View1
vdisplay a
vfit
vdump ${imagedir}/${casename}_1.png

vinit View2
vdisplay ff_1
vfit
vdump ${imagedir}/${casename}_2.png