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[InterventionalRadiologyController] fix potential div by 0 in computeInstrumentsCurvAbs #220

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[InterventionalRadiologyController] fix potential div by 0 in computeInstrumentsCurvAbs #220

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11 changes: 9 additions & 2 deletions src/BeamAdapter/component/controller/InterventionalRadiologyController.inl
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Original file line number Diff line number Diff line change
Expand Up @@ -573,9 +573,16 @@ void InterventionalRadiologyController<DataTypes>::computeInstrumentsCurvAbs(typ

if (curvAbs_interval > 0)
{
const Real intervalLength = nxP - xP;
if (intervalLength <= 0 || density_I[j] == 0)
{
xSampling = curvAbs_nxP;
continue;
}

// compute the number of point of the emerged interval (if all the interval is emerged, i.e >0 , numNewNodes == density[j])
Real ratio = Real(density_I[j]) / (nxP - xP);
int numNewNodes = int(floor(curvAbs_interval * ratio)); // if density == 0, no sampling (numNewNodes == 0)
Real ratio = Real(density_I[j]) / intervalLength;
int numNewNodes = int(floor(curvAbs_interval * ratio));

// Add the new points using reverse order iterator as they are computed deduce to next noticeable point
for (int k = numNewNodes; k>0; k--)
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