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f3a1c0cb60
1. Disable recalculation of B-spline cache when the parameter is out of surface boundary but near the cached span. 2. Rebuild cache each time a curve/surface is loaded into adaptor (B-spline knots may be re-parametrized outside adaptor without changing base curve) 3. Test cases.
35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
puts "============"
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puts "OCC27048"
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puts "============"
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puts ""
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############################################################################
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# Recalculation of BSpline cache causes a performance problems
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############################################################################
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pload QAcommands
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bsplinesurf surf \
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3 4 0 4 1 1 2 1 3 4 \
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3 4 0 4 1 1 2 1 3 4 \
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0 0 0 1 2 0 0 1 3 0 15 1 5 0 15 1 7 0 0 1 10 0 0 1 \
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0 2 0 1 1 3 0 1 4 2 15 1 6 3 15 1 8 2 0 1 10 3 0 1 \
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0 4 0 1 3 4 0 1 4 3 15 1 5 3 15 1 7 4 0 1 10 5 0 1 \
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0 6 0 1 3 6 0 1 4 6 15 1 5 6 15 1 8 5 0 1 10 7 0 1 \
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0 8 0 1 2 8 0 1 4 8 15 1 6 8 15 1 7 7 0 1 10 8 0 1 \
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0 10 0 1 2 10 0 1 4 10 15 1 6 10 15 1 7 10 0 1 10 10 0 1
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dchrono t reset
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dchrono t start
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OCC27048 surf -0.1 -0.1 1000000
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dchrono t stop
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set elapsed [dchrono t show]
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regexp {CPU user time: ([-0-9.+eE]+) seconds} $elapsed full cpu_time
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set max_time 1
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if { $cpu_time > ${max_time} } {
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puts "Error: calculating B-spline value takes too long time (greater than ${max_time} sec)"
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} else {
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puts "OK: performance calculating B-spline is suitable"
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}
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