| 44 | // * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * // |
| 45 | |
| 46 | bool Foam::polyLineSet::trackToBoundary |
| 47 | ( |
| 48 | passiveParticleCloud& particleCloud, |
| 49 | passiveParticle& singleParticle, |
| 50 | label& sampleI, |
| 51 | DynamicList<point>& samplingPts, |
| 52 | DynamicList<label>& samplingCells, |
| 53 | DynamicList<label>& samplingFaces, |
| 54 | DynamicList<scalar>& samplingCurveDist |
| 55 | ) const |
| 56 | { |
| 57 | particle::TrackingData<passiveParticleCloud> trackData(particleCloud); |
| 58 | |
| 59 | while (true) |
| 60 | { |
| 61 | // Local geometry info |
| 62 | const vector offset = sampleCoords_[sampleI+1] - sampleCoords_[sampleI]; |
| 63 | const scalar smallDist = mag(tol*offset); |
| 64 | |
| 65 | singleParticle.track(offset, 0); |
| 66 | const point trackPt = singleParticle.position(); |
| 67 | |
| 68 | if (singleParticle.onBoundaryFace()) |
| 69 | { |
| 70 | //Info<< "trackToBoundary : reached boundary" |
| 71 | // << " trackPt:" << trackPt << endl; |
| 72 | if |
| 73 | ( |
| 74 | mag(trackPt - sampleCoords_[sampleI+1]) |
| 75 | < smallDist |
| 76 | ) |
| 77 | { |
| 78 | // Reached samplePt on boundary |
| 79 | //Info<< "trackToBoundary : boundary. also sampling." |
| 80 | // << " trackPt:" << trackPt << " sampleI+1:" << sampleI+1 |
| 81 | // << endl; |
| 82 | samplingPts.append(trackPt); |
| 83 | samplingCells.append(singleParticle.cell()); |
| 84 | samplingFaces.append(singleParticle.face()); |
| 85 | |
| 86 | // trackPt is at sampleI+1 |
| 87 | samplingCurveDist.append(1.0*(sampleI+1)); |
| 88 | } |
| 89 | return true; |
| 90 | } |
| 91 | |
| 92 | // Reached samplePt in cell |
| 93 | samplingPts.append(trackPt); |
| 94 | samplingCells.append(singleParticle.cell()); |
| 95 | samplingFaces.append(-1); |
| 96 | |
| 97 | // Convert trackPt to fraction inbetween sampleI and sampleI+1 |
| 98 | scalar dist = |
| 99 | mag(trackPt - sampleCoords_[sampleI]) |
| 100 | / mag(sampleCoords_[sampleI+1] - sampleCoords_[sampleI]); |
| 101 | samplingCurveDist.append(sampleI + dist); |
| 102 | |
| 103 | // go to next samplePt |
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