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occt/tests/bugs/modalg_5/bug24612
aml 0cbfb9f151 0021564: Intersection of two planar faces produces curve with too many poles
I ComputePurgedWLine() function:
Excess points in walking line are deleted when:
1) Distance between neighboring points too small.
2) Points lie in one pipe without big jump on chord length.

III
Fixed problem with extremaPC with too close knot distribution to [minParam, maxParam] borders.

IV ApproxInt_Approx.gxx
New division criteria in intersection approximator.

III Test case
Test cases update to the new behavior.
Test case for CR21564

Correction of test cases for issue CR21564
2015-08-13 11:04:48 +03:00

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puts "========="
puts "OCC24612"
puts "========="
puts ""
###########################################################
# Wrong pcurve of the section curve
###########################################################
set MaxTol 7.0e-5
set NbCurv_OK 1
restore [locate_data_file bug24612_b1.brep] b1
restore [locate_data_file bug24612_b2.brep] b2
mksurface s1 b1
bounds s1 U1f_exp U1l_exp V1f_exp V1l_exp
dval U1f_exp
dval U1l_exp
dval V1f_exp
dval V1l_exp
set log [bopcurves b1 b2 -2d]
regexp {Tolerance Reached=+([-0-9.+eE]+)\n+([-0-9.+eE]+)} ${log} full Toler NbCurv
if {${NbCurv} != ${NbCurv_OK}} {
puts "Error: ${NbCurv_OK} curve(s) expected, but ${NbCurv} found."
}
if {${Toler} > ${MaxTol}} {
puts "Error: Tolerance is too big!"
}
#Theoretically, c2d1_1 must cover V-diapason of surface s1 fully.
set log [dump c2d1_1]
regexp {Degree +([-0-9.+eE]+), +([-0-9.+eE]+) Poles, +([-0-9.+eE]+)} ${log} full Degree Poles KnotsPoles
puts "Degree=${Degree}"
puts "Poles=${Poles}"
puts "KnotsPoles=${KnotsPoles}"
puts ""
set Pole 1
set exp_string " +${Pole} : +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+)"
regexp ${exp_string} ${log} full U_begin V_begin
puts "Pole=${Pole}"
puts "U_begin=${U_begin}"
puts "V_begin=${V_begin}"
dset V_begin ${V_begin}
puts ""
set Pole ${Poles}
set exp_string " +${Pole} : +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+)"
regexp ${exp_string} ${log} full U_end V_end
puts "Pole=${Pole}"
puts "U_end=${U_end}"
puts "V_end=${V_end}"
dset V_end ${V_end}
puts ""
set delta_f [dval V1l_exp-V_begin]
#ATTENTION!!! V_begin must be strictly equal V1l_exp (without any tolerance)
if {${delta_f} != 0} {
puts "Error: Bad value. V_begin = [dval V_begin], Vlast = [dval V1l_exp]."
} else {
puts "OK: Good value. V_begin matches with Vlast of surface."
}
puts ""
set delta_l [dval V1f_exp-V_end]
#ATTENTION!!! V_end must be strictly equal V1f_exp (without any tolerance)
if {${delta_l} != 0} {
puts "Error: Bad value. V_end = [dval V_end], Vfirst = [dval V1f_exp]."
} else {
puts "OK: Good value. V_end matches with Vfirst of surface."
}