mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-04 18:06:22 +03:00
8cc8a6925d
If the line is in the circle-plane completely (or parallel to the circle-plane) then extremas and intersections in 2D-space are looked for. These case are pure analytical and solutions will be found precisely.
42 lines
1.0 KiB
Plaintext
42 lines
1.0 KiB
Plaintext
puts "========"
|
|
puts "OCC28394"
|
|
puts "========"
|
|
puts ""
|
|
##############################################
|
|
# Not precise extrema solution of line and circle lying in the same plane
|
|
##############################################
|
|
|
|
set GoodNbExtremas 4
|
|
|
|
circle c1 5 5 10 0 1 1 20
|
|
mkedge e1 c1
|
|
bmirror e1 e1 5 5 10 1 0 0
|
|
mkcurve c1 e1
|
|
|
|
cvalue c1 0.63 x1 y1 z1
|
|
cvalue c1 5.47 x2 y2 z2
|
|
|
|
dset dlx x2-x1
|
|
dset dly y2-y1
|
|
dset dlz z2-z1
|
|
line l1 x1 y1+5 z1+5 dlx dly dlz
|
|
|
|
set extrema_length [ llength [ extrema c1 l1 1 ] ]
|
|
|
|
# Amount check
|
|
if {${extrema_length} != [ expr 5*${GoodNbExtremas}] } {
|
|
puts "Error: Number of extremas computed is wrong"
|
|
}
|
|
|
|
for {set i 1} {${i} <= 4} {incr i} {
|
|
regexp {Axis :([-0-9.+eE]+), ([-0-9.+eE]+), ([-0-9.+eE]+)} [dump ext_${i}] full dx dy dz
|
|
|
|
cvalue c1 prm_1_${i} x y z dcx dcy dcz
|
|
|
|
set DPL [ dval ${dx}*dlx+${dy}*dly+${dz}*dlz ]
|
|
set DPC [ dval ${dx}*dcx+${dy}*dcy+${dz}*dcz ]
|
|
|
|
if { (abs(${DPL}) > 1.0e-12) || (abs(${DPC}) > 1.0e-12) } {
|
|
puts "Error: extrema ext_${i} was computed wrong (is not the normal to the curves)"
|
|
}
|
|
} |