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0025660: Project command produce wrong 2dcurve

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Changed starting point of Newton optimization.

Test case for issue CR25660
This commit is contained in:
aml 2015-01-15 15:33:15 +03:00 committed by bugmaster
parent fa89e0828b
commit 4f0d73a918
2 changed files with 62 additions and 7 deletions
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20
src/ProjLib/ProjLib_CompProjectedCurve.cxx
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@ -756,18 +756,24 @@ void ProjLib_CompProjectedCurve::Init()
t = Triple.X() + Step;
if (t > LastU) t = LastU;
Standard_Real U0, V0;
gp_Pnt2d aLowBorder(mySurface->FirstUParameter(),mySurface->FirstVParameter());
gp_Pnt2d aUppBorder(mySurface->LastUParameter(), mySurface->LastVParameter());
gp_Pnt2d aTol(myTolU, myTolV);
//Here we are trying to prolong continuous part
while (t <= LastU && new_part)
{
Standard_Real U0, V0;
U0 = Triple.Y();
V0 = Triple.Z();
U0 = Triple.Y() + (Triple.Y() - prevTriple.Y());
V0 = Triple.Z() + (Triple.Z() - prevTriple.Z());
// adjust U0 to be in [mySurface->FirstUParameter(),mySurface->LastUParameter()]
U0 = Min(Max(U0, aLowBorder.X()), aUppBorder.X());
// adjust V0 to be in [mySurface->FirstVParameter(),mySurface->LastVParameter()]
V0 = Min(Max(V0, aLowBorder.Y()), aUppBorder.Y());
aPrjPS.Perform(t, U0, V0, gp_Pnt2d(myTolU, myTolV),
gp_Pnt2d(mySurface->FirstUParameter(),mySurface->FirstVParameter()),
gp_Pnt2d(mySurface->LastUParameter(), mySurface->LastVParameter()),
FuncTol, Standard_True);
aPrjPS.Perform(t, U0, V0, aTol,
aLowBorder, aUppBorder, FuncTol, Standard_True);
if(!aPrjPS.IsDone())
{

49
tests/bugs/moddata_3/bug25660 Normal file
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@ -0,0 +1,49 @@
puts "================"
puts "OCC25660"
puts "================"
puts ""
#######################################################################
# Project command produce wrong 2dcurve
#######################################################################
restore [locate_data_file bug25660_c3d.draw] c3d
restore [locate_data_file bug25660_surf.draw] surf
project c2d c3d surf
set log [dump c2d]
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 tol_abs 1.e-7
set tol_rel 0.01
set V_i 0
for {set i 1} {${i} <= ${Poles}} {incr i} {
set V_i_1 ${V_i}
set exp_string " +${i} : +(\[-0-9.+eE\]+), +(\[-0-9.+eE\]+)"
regexp ${exp_string} ${log} full U_i V_i
#puts "i=${i} U_i=${U_i} V_i=${V_i}"
if { ${i} == 1 } {
# First pole
puts "V_first=${V_i}"
set expected_V_first 0.0
checkreal "V_first" ${V_i} ${expected_V_first} ${tol_abs} ${tol_rel}
}
if { ${i} == ${Poles} } {
# Last pole
puts "V_last=${V_i}"
set expected_V_last 6.96771797765
checkreal "V_last" ${V_i} ${expected_V_last} ${tol_abs} ${tol_rel}
}
if { ${i} > 1 } {
#puts "i=${i} U_i=${U_i} V_i=${V_i} V_i_1=${V_i_1}"
if { ${V_i_1} >= ${V_i} } {
puts "Error: Bad value of V in string: ${i} :${U_i}, ${V_i}"
}
}
}