def generateOstiumMesh(region, options, trackSurface, centrePosition, axis1, startNodeIdentifier = 1, startElementIdentifier = 1, vesselMeshGroups = None): ''' :param vesselMeshGroups: List (over number of vessels) of list of mesh groups to add vessel elements to. :return: nextNodeIdentifier, nextElementIdentifier, Ostium points tuple (ox[n3][n1][c], od1[n3][n1][c], od2[n3][n1][c], od3[n3][n1][c], oNodeId[n3][n1], oPositions). ''' vesselsCount = options['Number of vessels'] elementsCountAroundOstium = options['Number of elements around ostium'] elementsCountAcross = options['Number of elements across common'] elementsCountsAroundVessels, elementsCountAroundMid = getOstiumElementsCountsAroundVessels(elementsCountAroundOstium, elementsCountAcross, vesselsCount) elementsCountAroundEnd = (elementsCountAroundOstium - 2*elementsCountAroundMid)//2 #print('\nvesselsCount', vesselsCount, 'elementsCountsAroundOstium', elementsCountAroundOstium, 'elementsCountAcross', elementsCountAcross) #print('--> elementsCountsAroundVessels', elementsCountsAroundVessels, 'elementsCountAroundMid', elementsCountAroundMid) elementsCountAlong = options['Number of elements along'] elementsCountThroughWall = options['Number of elements through wall'] unitScale = options['Unit scale'] isOutlet = options['Outlet'] ostiumRadius = 0.5*unitScale*options['Ostium diameter'] ostiumLength = unitScale*options['Ostium length'] ostiumWallThickness = unitScale*options['Ostium wall thickness'] interVesselHeight = unitScale*options['Ostium inter-vessel height'] interVesselDistance = unitScale*options['Ostium inter-vessel distance'] if (vesselsCount > 1) else 0.0 halfInterVesselDistance = 0.5*interVesselDistance useCubicHermiteThroughOstiumWall = not(options['Use linear through ostium wall']) vesselEndDerivative = ostiumLength*options['Vessel end length factor']/elementsCountAlong vesselInnerRadius = 0.5*unitScale*options['Vessel inner diameter'] vesselWallThickness = unitScale*options['Vessel wall thickness'] vesselOuterRadius = vesselInnerRadius + vesselWallThickness vesselAngle1Radians = math.radians(options['Vessel angle 1 degrees']) vesselAngle1SpreadRadians = math.radians(options['Vessel angle 1 spread degrees']) vesselAngle2Radians = math.radians(options['Vessel angle 2 degrees']) useCubicHermiteThroughVesselWall = not(options['Use linear through vessel wall']) useCrossDerivatives = False # options['Use cross derivatives'] # not implemented fm = region.getFieldmodule() fm.beginChange() coordinates = findOrCreateFieldCoordinates(fm) cache = fm.createFieldcache() # track points in shape of ostium # get directions in plane of surface at centre: cx, cd1, cd2 = trackSurface.evaluateCoordinates(centrePosition, True) trackDirection1, trackDirection2, centreNormal = calculate_surface_axes(cd1, cd2, axis1) trackDirection2reverse = [ -d for d in trackDirection2 ] halfCircumference = math.pi*ostiumRadius circumference = 2.0*halfCircumference distance = 0.0 elementLengthAroundOstiumMid = 0.0 vesselsSpanAll = interVesselDistance*(vesselsCount - 1) vesselsSpanMid = interVesselDistance*(vesselsCount - 2) if vesselsCount == 1: elementLengthAroundOstiumEnd = circumference/elementsCountAroundOstium vesselOstiumPositions = [ centrePosition ] ocx = [ cx ] ocd1 = [ trackDirection1 ] ocd2 = [ trackDirection2 ] ocd3 = [ centreNormal ] else: elementLengthAroundOstiumEnd = (circumference + 2.0*interVesselDistance)/(elementsCountAroundOstium - 2*elementsCountAroundMid) if elementsCountAroundMid > 0: elementLengthAroundOstiumMid = interVesselDistance*(vesselsCount - 2)/elementsCountAroundMid vesselOstiumPositions = [] ocx = [] ocd1 = [] ocd2 = [] ocd3 = [] for v in range(vesselsCount): vesselOstiumPositions.append(trackSurface.trackVector(centrePosition, trackDirection1, (v/(vesselsCount - 1) - 0.5)*vesselsSpanAll)) x, d1, d2 = trackSurface.evaluateCoordinates(vesselOstiumPositions[-1], -1) d1, d2, d3 = calculate_surface_axes(d1, d2, trackDirection1) ocx .append(x) ocd1.append(d1) ocd2.append(d2) ocd3.append(d3) # coordinates around ostium ox = [ [], [] ] od1 = [ [], [] ] od2 = [ [], [] ] od3 = [ [], [] ] oPositions = [] for n1 in range(elementsCountAroundOstium): elementLength = elementLengthAroundOstiumEnd if distance <= (vesselsSpanMid + halfInterVesselDistance): position = trackSurface.trackVector(centrePosition, trackDirection1, 0.5*vesselsSpanMid - distance) sideDirection = trackDirection2reverse if n1 < elementsCountAroundMid: elementLength = elementLengthAroundOstiumMid elif distance < (vesselsSpanMid + halfInterVesselDistance + halfCircumference): position = vesselOstiumPositions[0] angleRadians = (distance - (vesselsSpanMid + halfInterVesselDistance))/ostiumRadius w1 = -math.sin(angleRadians) w2 = -math.cos(angleRadians) sideDirection = [ (w1*trackDirection1[c] + w2*trackDirection2[c]) for c in range(3) ] elif distance < (2.0*vesselsSpanMid + halfInterVesselDistance + halfCircumference + interVesselDistance): position = trackSurface.trackVector(centrePosition, trackDirection1, distance - (1.5*vesselsSpanMid + interVesselDistance + halfCircumference)) sideDirection = trackDirection2 if 0 <= (n1 - elementsCountAroundEnd - elementsCountAroundMid) < elementsCountAroundMid: elementLength = elementLengthAroundOstiumMid elif distance < (2.0*vesselsSpanMid + halfInterVesselDistance + circumference + interVesselDistance): position = vesselOstiumPositions[-1] angleRadians = (distance - (2.0*vesselsSpanMid + halfInterVesselDistance + halfCircumference + interVesselDistance))/ostiumRadius w1 = math.sin(angleRadians) w2 = math.cos(angleRadians) sideDirection = [ (w1*trackDirection1[c] + w2*trackDirection2[c]) for c in range(3) ] else: position = trackSurface.trackVector(centrePosition, trackDirection1, 0.5*vesselsSpanMid + (circumference + 2.0*(vesselsSpanMid + interVesselDistance)) - distance) sideDirection = trackDirection2reverse position = trackSurface.trackVector(position, sideDirection, ostiumRadius) oPositions.append(position) px, d1, d2 = trackSurface.evaluateCoordinates(position, True) pd2, pd1, pd3 = calculate_surface_axes(d1, d2, sideDirection) # get outer coordinates opx = px opd1 = vector.setMagnitude([ -d for d in pd1 ], elementLengthAroundOstiumEnd) opd2 = vector.setMagnitude(pd2, elementLengthAroundOstiumEnd) # smoothed later opd3 = vector.setMagnitude(pd3, ostiumWallThickness) # set inner and outer coordinates (use copy to avoid references to same list later) ox [0].append([ (opx[c] - opd3[c]) for c in range(3) ]) od1[0].append(copy.copy(opd1)) od2[0].append(copy.copy(opd2)) ox [1].append(opx) od1[1].append(opd1) od2[1].append(opd2) if useCubicHermiteThroughOstiumWall: od3[0].append(copy.copy(opd3)) od3[1].append(opd3) distance += elementLength for n3 in range(2): od1[n3] = interp.smoothCubicHermiteDerivativesLoop(ox[n3], od1[n3], fixAllDirections = True) xx = [] xd1 = [] xd2 = [] xd3 = [] # coordinates across common ostium, between vessels nodesCountFreeEnd = elementsCountsAroundVessels[0] + 1 - elementsCountAcross oinc = 0 if (vesselsCount <= 2) else elementsCountAroundMid//(vesselsCount - 2) for iv in range(vesselsCount - 1): xx .append([ None, None ]) xd1.append([ None, None ]) xd2.append([ None, None ]) xd3.append([ None, None ]) oa = elementsCountAroundMid - iv*oinc ob = elementsCountAroundMid + nodesCountFreeEnd - 1 + iv*oinc nx = [ ox[1][oa], ox[1][ob] ] nd1 = [ [ -d for d in od1[1][oa] ], od1[1][ob] ] nd2 = [ [ -d for d in od2[1][oa] ], od2[1][ob] ] if elementsCountAcross > 1: # add centre point, displaced by interVesselHeight if vesselsCount == 2: position = centrePosition else: position = trackSurface.trackVector(centrePosition, trackDirection1, (iv/(vesselsCount - 2) - 0.5)*vesselsSpanMid) mx, d1, d2 = trackSurface.evaluateCoordinates(position, derivatives = True) md1, md2, md3 = calculate_surface_axes(d1, d2, trackDirection1) nx .insert(1, [ (mx[c] + interVesselHeight*md3[c]) for c in range(3) ]) nd1.insert(1, vector.setMagnitude(md1, elementLengthAroundOstiumMid if (0 < iv < (vesselsCount - 2)) else elementLengthAroundOstiumEnd)) nd2.insert(1, vector.setMagnitude(md2, ostiumRadius)) nd2 = interp.smoothCubicHermiteDerivativesLine(nx, nd2, fixAllDirections = True) px, pd2, pe, pxi = interp.sampleCubicHermiteCurves(nx, nd2, elementsCountAcross)[0:4] pd1 = interp.interpolateSampleLinear(nd1, pe, pxi) pd3 = [ vector.setMagnitude(vector.crossproduct3(pd1[n2], pd2[n2]), ostiumWallThickness) for n2 in range(elementsCountAcross + 1) ] lx = [ ([ (px[n2][c] - pd3[n2][c]) for c in range(3) ]) for n2 in range(elementsCountAcross + 1) ] ld2 = interp.smoothCubicHermiteDerivativesLine(lx, pd2, fixAllDirections = True) xx [iv][0] = lx [1:elementsCountAcross] xd1[iv][0] = copy.deepcopy(pd1[1:elementsCountAcross]) # to be smoothed later xd2[iv][0] = ld2[1:elementsCountAcross] xx [iv][1] = px [1:elementsCountAcross] xd1[iv][1] = pd1[1:elementsCountAcross] # to be smoothed later xd2[iv][1] = pd2[1:elementsCountAcross] if useCubicHermiteThroughOstiumWall: xd3[iv][0] = copy.deepcopy(pd3[1:elementsCountAcross]) xd3[iv][1] = pd3[1:elementsCountAcross] # set smoothed d2 on ostium circumference od2[0][oa] = [ -d for d in ld2[0] ] od2[1][oa] = [ -d for d in pd2[0] ] od2[0][ob] = ld2[-1] od2[1][ob] = pd2[-1] # get positions of vessel end centres and rings vcx = [] vcd1 = [] vcd2 = [] vcd3 = [] vox = [] vod1 = [] vod2 = [] vod3 = [] for v in range(vesselsCount): elementsCountAroundVessel = elementsCountsAroundVessels[v] radiansPerElementVessel = 2.0*math.pi/elementsCountAroundVessel useVesselAngleRadians = vesselAngle1Radians if vesselsCount > 1: useVesselAngleRadians += (v/(vesselsCount - 1) - 0.5)*vesselAngle1SpreadRadians vx, vd1, vd2, vd3 = getCircleProjectionAxes(ocx[v], ocd1[v], ocd2[v], ocd3[v], ostiumLength, useVesselAngleRadians, vesselAngle2Radians) vd1 = [ vesselOuterRadius*d for d in vd1 ] vd2 = [ -vesselOuterRadius*d for d in vd2 ] vd3 = [ -vesselEndDerivative*d for d in vd3 ] vcx.append(vx) vcd1.append(vd1) vcd2.append(vd2) vcd3.append(vd3) vox.append([]) vod1.append([]) vod2.append([]) vod3.append([]) for n3 in range(2): radius = vesselInnerRadius if (n3 == 0) else vesselOuterRadius vAxis1 = vector.setMagnitude(vd1, radius) vAxis2 = vector.setMagnitude(vd2, radius) if vesselsCount == 1: startRadians = 0.5*math.pi else: startRadians = 0.5*radiansPerElementVessel*elementsCountAcross if v == (vesselsCount - 1): startRadians -= math.pi px, pd1 = createCirclePoints(vx, vAxis1, vAxis2, elementsCountAroundVessel, startRadians) vox [-1].append(px) vod1[-1].append(pd1) vod2[-1].append([ vd3 ]*elementsCountAroundVessel) if useCubicHermiteThroughVesselWall: vod3[-1].append([ vector.setMagnitude(vector.crossproduct3(d1, vd3), vesselWallThickness) for d1 in pd1 ]) # calculate common ostium vessel node derivatives map mvPointsx = [ None ]*vesselsCount mvPointsd1 = [ None ]*vesselsCount mvPointsd2 = [ None ]*vesselsCount mvPointsd3 = [ None ]*vesselsCount mvDerivativesMap = [ None ]*vesselsCount mvMeanCount = [ None ]*vesselsCount # stores 1 if first reference to common point between vessels, 2 if second. Otherwise 0. for v in range(vesselsCount): if vesselsCount == 1: mvPointsx[v], mvPointsd1[v], mvPointsd2[v], mvPointsd3[v], mvDerivativesMap[v] = \ ox, od1, od2, od3 if useCubicHermiteThroughOstiumWall else None, None mvMeanCount[v] = [ 0 ]*elementsCountsAroundVessels[v] else: iv = max(0, v - 1) oa = elementsCountAroundMid - iv*oinc ob = elementsCountAroundMid + nodesCountFreeEnd - 1 + iv*oinc mvPointsx [v] = [] mvPointsd1[v] = [] mvPointsd2[v] = [] mvPointsd3[v] = [] if useCubicHermiteThroughOstiumWall else None mvDerivativesMap[v] = [] for n3 in range(2): mvPointsd1[v].append([]) mvPointsd2[v].append([]) mvPointsx [v].append([]) if useCubicHermiteThroughOstiumWall: mvPointsd3[v].append([]) mvDerivativesMap[v].append([]) if v == 0: # first end vessel mvPointsd1[v][n3] += od1[n3][oa:ob + 1] mvPointsd2[v][n3] += od2[n3][oa:ob + 1] mvPointsx [v][n3] += ox [n3][oa:ob + 1] if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += od3[n3][oa:ob + 1] mvDerivativesMap[v][n3].append( ( (0, 1, 0), (-1, 1, 0), None, (1, 0, 0) ) ) for i in range(nodesCountFreeEnd - 2): mvDerivativesMap[v][n3].append( ( None, None, None ) ) mvDerivativesMap[v][n3].append( ( (1, 0, 0), (1, 1, 0), None, (0, -1, 0) ) ) mvPointsx [v][n3] += reversed(xx [iv][n3]) mvPointsd1[v][n3] += reversed(xd1[iv][n3]) mvPointsd2[v][n3] += reversed(xd2[iv][n3]) if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += reversed(xd3[iv][n3]) for i in range(elementsCountAcross - 1): mvDerivativesMap[v][n3].append( ( (0, -1, 0), (1, 0, 0), None ) ) if n3 == 0: mvMeanCount[v] = [ 1 ] + [ 0 ]*(nodesCountFreeEnd - 2) + [ 1 ]*elementsCountAcross elif v < (vesselsCount - 1): # middle vessels # left: mvPointsx [v][n3] += ox [n3][oa - oinc:oa + 1] mvPointsd1[v][n3] += od1[n3][oa - oinc:oa + 1] mvPointsd2[v][n3] += od2[n3][oa - oinc:oa + 1] if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += od3[n3][oa - oinc:oa + 1] mvDerivativesMap[v][n3].append( ( (0, 1, 0), (-1, 1, 0), None, (1, 0, 0) ) ) for i in range(oinc - 1): mvDerivativesMap[v][n3].append( ( None, None, None ) ) mvDerivativesMap[v][n3].append( ( (1, 0, 0), (1, 1, 0), None, (0, -1, 0) ) ) # across mvPointsx [v][n3] += xx [iv][n3] mvPointsd1[v][n3] += xd1[iv][n3] mvPointsd2[v][n3] += xd2[iv][n3] if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += xd3[iv][n3] for i in range(elementsCountAcross - 1): mvDerivativesMap[v][n3].append( ( (0, 1, 0), (-1, 0, 0), None ) ) # right mvPointsx [v][n3] += ox [n3][ob:ob + oinc + 1] mvPointsd1[v][n3] += od1[n3][ob:ob + oinc + 1] mvPointsd2[v][n3] += od2[n3][ob:ob + oinc + 1] if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += od3[n3][ob:ob + oinc + 1] mvDerivativesMap[v][n3].append( ( (0, 1, 0), (-1, 1, 0), None, (1, 0, 0) ) ) for i in range(oinc - 1): mvDerivativesMap[v][n3].append( ( None, None, None ) ) mvDerivativesMap[v][n3].append( ( (1, 0, 0), (1, 1, 0), None, (0, -1, 0) ) ) # across reverse mvPointsx [v][n3] += reversed(xx [iv + 1][n3]) mvPointsd1[v][n3] += reversed(xd1[iv + 1][n3]) mvPointsd2[v][n3] += reversed(xd2[iv + 1][n3]) if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += reversed(xd3[iv + 1][n3]) for i in range(elementsCountAcross - 1): mvDerivativesMap[v][n3].append( ( (0, -1, 0), (1, 0, 0), None ) ) if n3 == 0: mvMeanCount[v] = [ 1 ] + [ 0 ]*(oinc - 1) + [ 2 ]*(elementsCountAcross + 1) + [ 0 ]*(oinc - 1) + [ 1 ]*elementsCountAcross else: # last end vessel mvPointsx [v][n3] += ox [n3][ob:] + [ ox [n3][0] ] mvPointsd1[v][n3] += od1[n3][ob:] + [ od1[n3][0] ] mvPointsd2[v][n3] += od2[n3][ob:] + [ od2[n3][0] ] if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += od3[n3][ob:] + [ od3[n3][0] ] mvDerivativesMap[v][n3].append( ( (0, 1, 0), (-1, 1, 0), None, (1, 0, 0) ) ) for i in range(nodesCountFreeEnd - 2): mvDerivativesMap[v][n3].append( ( None, None, None ) ) mvDerivativesMap[v][n3].append( ( (1, 0, 0), (1, 1, 0), None, (0, -1, 0) ) ) mvPointsx [v][n3] += xx [iv][n3] mvPointsd1[v][n3] += xd1[iv][n3] mvPointsd2[v][n3] += xd2[iv][n3] if useCubicHermiteThroughOstiumWall: mvPointsd3[v][n3] += xd3[iv][n3] for i in range(elementsCountAcross - 1): mvDerivativesMap[v][n3].append( ( (0, 1, 0), (-1, 0, 0), None ) ) if n3 == 0: mvMeanCount[v] = [ 2 ] + [ 0 ]*(nodesCountFreeEnd - 2) + [ 2 ]*elementsCountAcross # calculate derivative 2 around free sides of inlets to fit vessel derivatives for v in range(vesselsCount): for n3 in range(2): #print('v',v,'n3',n3,'elementsAround',elementsCountsAroundVessels[v]) #print('mvPointsx [v][n3]', mvPointsx [v][n3]) #print('mvPointsd1[v][n3]', mvPointsd1[v][n3]) #print('mvPointsd2[v][n3]', mvPointsd2[v][n3]) #print('mvDerivativesMap[v][n3]', mvDerivativesMap[v][n3]) for n1 in range(elementsCountsAroundVessels[v]): d2Map = mvDerivativesMap[v][n3][n1][1] if (mvDerivativesMap[v] and mvDerivativesMap[v][n3][n1]) else None sf1 = d2Map[0] if d2Map else 0.0 sf2 = d2Map[1] if d2Map else 1.0 nx = [ vox[v][n3][n1], mvPointsx[v][n3][n1] ] nd2 = [ [ d*elementsCountAlong for d in vod2[v][n3][n1] ], [ (sf1*mvPointsd1[v][n3][n1][c] + sf2*mvPointsd2[v][n3][n1][c]) for c in range(3) ] ] nd2f = interp.smoothCubicHermiteDerivativesLine(nx, nd2, fixStartDerivative = True, fixEndDirection = True) ndf = [ d/elementsCountAlong for d in nd2f[1] ] # assign components to set original values: if sf1 == 0: for c in range(3): mvPointsd2[v][n3][n1][c] = sf2*ndf[c] elif sf2 == 0: if mvMeanCount[v][n1] < 2: for c in range(3): mvPointsd1[v][n3][n1][c] = sf1*ndf[c] else: # take mean of values from this and last vessel for c in range(3): mvPointsd1[v][n3][n1][c] = 0.5*(mvPointsd1[v][n3][n1][c] + sf1*ndf[c]) else: #print('v', v, 'n3', n3, 'n1', n1, ':', vector.magnitude(ndf), 'vs.', vector.magnitude(nd2[1]), 'd2Map', d2Map) pass if isOutlet: # reverse directions of d1 and d2 on vessels and ostium base for c in range(3): for n3 in range(2): for n1 in range(elementsCountAroundOstium): od1[n3][n1][c] = -od1[n3][n1][c] od2[n3][n1][c] = -od2[n3][n1][c] for iv in range(vesselsCount - 1): for n1 in range(elementsCountAcross - 1): xd1[iv][n3][n1][c] = -xd1[iv][n3][n1][c] xd2[iv][n3][n1][c] = -xd2[iv][n3][n1][c] for v in range(vesselsCount): for n1 in range(elementsCountsAroundVessels[v]): vod1[v][n3][n1][c] = -vod1[v][n3][n1][c] # d2 is referenced all around, so only change once per vessel for v in range(vesselsCount): vod2[v][0][0][c] = -vod2[v][0][0][c] ############## # Create nodes ############## nodes = fm.findNodesetByFieldDomainType(Field.DOMAIN_TYPE_NODES) nodetemplate = nodes.createNodetemplate() nodetemplate.defineField(coordinates) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_VALUE, 1) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS1, 1) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS2, 1) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS3, 1) nodetemplateLinearS3 = nodes.createNodetemplate() nodetemplateLinearS3.defineField(coordinates) nodetemplateLinearS3.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_VALUE, 1) nodetemplateLinearS3.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS1, 1) nodetemplateLinearS3.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS2, 1) nodeIdentifier = startNodeIdentifier oNodeId = [] for n3 in range(2): oNodeId.append([]) for n1 in range(elementsCountAroundOstium): node = nodes.createNode(nodeIdentifier, nodetemplate if useCubicHermiteThroughOstiumWall else nodetemplateLinearS3) cache.setNode(node) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, ox [n3][n1]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, od1[n3][n1]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, od2[n3][n1]) if useCubicHermiteThroughOstiumWall: coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS3, 1, od3[n3][n1]) oNodeId[n3].append(nodeIdentifier) nodeIdentifier += 1 xNodeId = [] for iv in range(vesselsCount - 1): xNodeId.append([]) for n3 in range(2): xNodeId[iv].append([]) for n2 in range(elementsCountAcross - 1): node = nodes.createNode(nodeIdentifier, nodetemplate if useCubicHermiteThroughOstiumWall else nodetemplateLinearS3) cache.setNode(node) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, xx [iv][n3][n2]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, xd1[iv][n3][n2]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, xd2[iv][n3][n2]) if useCubicHermiteThroughOstiumWall: coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS3, 1, xd3[iv][n3][n2]) xNodeId[iv][n3].append(nodeIdentifier) nodeIdentifier += 1 #for v in range(vesselsCount): # node = nodes.createNode(nodeIdentifier, nodetemplate) # cache.setNode(node) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, vcx [v]) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, vcd1[v]) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, vcd2[v]) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS3, 1, vcd3[v]) # nodeIdentifier += 1 # for n3 in range(2): # for n1 in range(elementsCountsAroundVessels[v]): # node = nodes.createNode(nodeIdentifier, nodetemplate if useCubicHermiteThroughVesselWall else nodetemplateLinearS3) # cache.setNode(node) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, vox [v][n3][n1]) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, vod1[v][n3][n1]) # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, vod2[v][n3][n1]) # if useCubicHermiteThroughVesselWall: # coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS3, 1, vod3[v][n3][n1]) # #vNodeId.append(nodeIdentifier) # nodeIdentifier += 1 # get identifiers of nodes around each vessel at ostium end mvNodeId = [ None ]*vesselsCount for v in range(vesselsCount): if vesselsCount == 1: mvNodeId[v] = oNodeId else: iv = max(0, v - 1) mvNodeId[v] = [ None, None ] oa = elementsCountAroundMid - iv*oinc ob = elementsCountAroundMid + nodesCountFreeEnd - 1 + iv*oinc for n3 in range(2): if v == 0: # first end vessel mvNodeId[v][n3] = oNodeId[n3][oa:ob + 1] + (list(reversed(xNodeId[iv][n3])) if (v == 0) else xNodeId[iv][n3]) elif v == (vesselsCount - 1): # last end vessels mvNodeId[v][n3] = oNodeId[n3][ob:] + [ oNodeId[n3][0] ] + (list(reversed(xNodeId[iv][n3])) if (v == 0) else xNodeId[iv][n3]) else: # mid vessels mvNodeId[v][n3] = oNodeId[n3][oa - oinc:oa + 1] + xNodeId[iv][n3] + oNodeId[n3][ob:ob + oinc + 1] + list(reversed(xNodeId[iv + 1][n3])) ################# # Create elementss ################# mesh = fm.findMeshByDimension(3) elementIdentifier = startElementIdentifier tricubichermite = eftfactory_tricubichermite(mesh, useCrossDerivatives) #tricubicHermiteBasis = fm.createElementbasis(3, Elementbasis.FUNCTION_TYPE_CUBIC_HERMITE) #eft = tricubichermite.createEftBasic() #elementtemplate = mesh.createElementtemplate() #elementtemplate.setElementShapeType(Element.SHAPE_TYPE_CUBE) #elementtemplate.defineField(coordinates, -1, eft) #elementtemplateX = mesh.createElementtemplate() #elementtemplateX.setElementShapeType(Element.SHAPE_TYPE_CUBE) for v in range(vesselsCount): if isOutlet: startPointsx, startPointsd1, startPointsd2, startPointsd3, startNodeId, startDerivativesMap = \ mvPointsx[v], mvPointsd1[v], mvPointsd2[v], mvPointsd3[v], mvNodeId[v], mvDerivativesMap[v] endPointsx, endPointsd1, endPointsd2, endPointsd3, endNodeId, endDerivativesMap = \ vox[v], vod1[v], vod2[v], vod3[v] if useCubicHermiteThroughVesselWall else None, None, None # reverse order of nodes around: for px in [ startPointsx, startPointsd1, startPointsd2, startPointsd3, startNodeId, startDerivativesMap, \ endPointsx, endPointsd1, endPointsd2, endPointsd3, endNodeId, endDerivativesMap ]: if px: for n3 in range(2): px[n3] = [ px[n3][0] ] + px[n3][len(px[n3]) - 1:0:-1] if vesselsCount > 1: # must switch in and out xi1 maps around corners in startDerivativesMap for n3 in range(2): for n1 in range(elementsCountsAroundVessels[v]): derivativesMap = startDerivativesMap[n3][n1] if len(derivativesMap) == 4: startDerivativesMap[n3][n1] = derivativesMap[3], derivativesMap[1], derivativesMap[2], derivativesMap[0] else: startPointsx, startPointsd1, startPointsd2, startPointsd3, startNodeId, startDerivativesMap = \ vox[v], vod1[v], vod2[v], vod3[v] if useCubicHermiteThroughVesselWall else None, None, None endPointsx, endPointsd1, endPointsd2, endPointsd3, endNodeId, endDerivativesMap = \ mvPointsx[v], mvPointsd1[v], mvPointsd2[v], mvPointsd3[v], mvNodeId[v], mvDerivativesMap[v] #print('endPointsx ', endPointsx ) #print('endPointsd1', endPointsd1) #print('endPointsd2', endPointsd2) #print('endPointsd3', endPointsd3) #print('endNodeId', endNodeId) #print('endDerivativesMap', endDerivativesMap) nodeIdentifier, elementIdentifier = createAnnulusMesh3d( nodes, mesh, nodeIdentifier, elementIdentifier, startPointsx, startPointsd1, startPointsd2, startPointsd3, startNodeId, startDerivativesMap, endPointsx, endPointsd1, endPointsd2, endPointsd3, endNodeId, endDerivativesMap, forceMidLinearXi3 = not useCubicHermiteThroughVesselWall, elementsCountRadial = elementsCountAlong, meshGroups = vesselMeshGroups[v] if vesselMeshGroups else []) fm.endChange() return nodeIdentifier, elementIdentifier, (ox, od1, od2, od3, oNodeId, oPositions)
def generateBaseMesh(cls, region, options): ''' Generate the base bicubic Hermite mesh. :param region: Zinc region to define model in. Must be empty. :param options: Dict containing options. See getDefaultOptions(). :return: list of AnnotationGroup ''' elementsCountUpNeck = options['Number of elements up neck'] elementsCountUpBody = options['Number of elements up body'] elementsCountAround = options['Number of elements around'] height = options['Height'] majorDiameter = options['Major diameter'] minorDiameter = options['Minor diameter'] radius = 0.5 * options['Urethra diameter'] bladderWallThickness = options['Bladder wall thickness'] useCrossDerivatives = options['Use cross derivatives'] elementsCountAroundOstium = options['Number of elements around ostium'] elementsCountAnnulusRadially = options['Number of elements radially on annulus'] ostiumPositionAround = options['Ostium position around'] ostiumPositionUp = options['Ostium position up'] ostiumOptions = options['Ureter'] ostiumDefaultOptions = ostiumOptions.getScaffoldSettings() fm = region.getFieldmodule() fm.beginChange() coordinates = findOrCreateFieldCoordinates(fm) cache = fm.createFieldcache() mesh = fm.findMeshByDimension(3) nodes = fm.findNodesetByFieldDomainType(Field.DOMAIN_TYPE_NODES) nodetemplateApex = nodes.createNodetemplate() nodetemplateApex.defineField(coordinates) nodetemplateApex.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_VALUE, 1) nodetemplateApex.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS1, 1) nodetemplateApex.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS2, 1) if useCrossDerivatives: nodetemplate = nodes.createNodetemplate() nodetemplate.defineField(coordinates) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_VALUE, 1) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS1, 1) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D_DS2, 1) nodetemplate.setValueNumberOfVersions(coordinates, -1, Node.VALUE_LABEL_D2_DS1DS2, 1) else: nodetemplate = nodetemplateApex eftfactory = eftfactory_bicubichermitelinear(mesh, useCrossDerivatives) eft = eftfactory.createEftBasic() elementtemplate = mesh.createElementtemplate() elementtemplate.setElementShapeType(Element.SHAPE_TYPE_CUBE) elementtemplate.defineField(coordinates, -1, eft) neckGroup = AnnotationGroup(region, get_bladder_term("neck of urinary bladder")) bodyGroup = AnnotationGroup(region, get_bladder_term("dome of the bladder")) urinaryBladderGroup = AnnotationGroup(region, get_bladder_term("urinary bladder")) annotationGroups = [neckGroup, bodyGroup, urinaryBladderGroup] neckMeshGroup = neckGroup.getMeshGroup(mesh) bodyMeshGroup = bodyGroup.getMeshGroup(mesh) urinaryBladderMeshGroup = urinaryBladderGroup.getMeshGroup(mesh) # create nodes # create neck of the bladder nodeIdentifier = 1 radiansPerElementAround = 2.0*math.pi/elementsCountAround radiansPerElementUpNeck = (math.pi/4)/elementsCountUpNeck # create lower part of the ellipsoidal neckHeight = height - height * math.cos(math.pi / 4) ellipsoidal_x = [] ellipsoidal_d1 = [] ellipsoidal_d2 = [] for n2 in range(0, elementsCountUpNeck+1): radiansUp = n2 * radiansPerElementUpNeck cosRadiansUp = math.cos(radiansUp) sinRadiansUp = math.sin(radiansUp) majorRadius = 0.5 * majorDiameter * sinRadiansUp minorRadius = 0.5 * minorDiameter * sinRadiansUp if n2 == 0: for n1 in range(elementsCountAround): radiansAround = n1 * radiansPerElementAround cosRadiansAround = math.cos(radiansAround) sinRadiansAround = math.sin(radiansAround) x = [ -majorRadius * sinRadiansAround, minorRadius * cosRadiansAround, -height - neckHeight ] dx_ds1 = [ -majorRadius * cosRadiansAround * radiansPerElementAround, minorRadius * -sinRadiansAround * radiansPerElementAround, 0.0 ] dx_ds2 = [ -0.5 * majorDiameter * sinRadiansAround * cosRadiansUp * radiansPerElementUpNeck, 0.5 * minorDiameter * cosRadiansAround * cosRadiansUp * radiansPerElementUpNeck, height * sinRadiansUp * radiansPerElementUpNeck ] ellipsoidal_x.append(x) ellipsoidal_d1.append(dx_ds1) ellipsoidal_d2.append(dx_ds2) else: for n1 in range(elementsCountAround): neckHeight = height - height * math.cos(math.pi/4) radiansAround = n1 * radiansPerElementAround cosRadiansAround = math.cos(radiansAround) sinRadiansAround = math.sin(radiansAround) x = [ -majorRadius * sinRadiansAround, minorRadius * cosRadiansAround, -height - neckHeight + n2 * 2 * neckHeight / elementsCountUpNeck ] dx_ds1 = [ -majorRadius * cosRadiansAround * radiansPerElementAround, minorRadius * -sinRadiansAround * radiansPerElementAround, 0.0 ] dx_ds2 = [ -0.5 * majorDiameter * sinRadiansAround * cosRadiansUp * radiansPerElementUpNeck, 0.5 * minorDiameter * cosRadiansAround * cosRadiansUp * radiansPerElementUpNeck, height * sinRadiansUp * radiansPerElementUpNeck ] ellipsoidal_x.append(x) ellipsoidal_d1.append(dx_ds1) ellipsoidal_d2.append(dx_ds2) # create tube nodes radiansPerElementAround = 2.0 * math.pi / elementsCountAround tube_x = [] tube_d1 = [] tube_d2 = [] for n2 in range(0, elementsCountUpNeck + 1): radiansUp = n2 * radiansPerElementUpNeck cosRadiansUp = math.cos(radiansUp) sinRadiansUp = math.sin(radiansUp) if n2 == 0: for n1 in range(elementsCountAround): radiansAround = n1 * radiansPerElementAround cosRadiansAround = math.cos(radiansAround) sinRadiansAround = math.sin(radiansAround) x = [ -radius * sinRadiansAround, radius * cosRadiansAround, -height - neckHeight ] dx_ds1 = [ -radiansPerElementAround * radius * cosRadiansAround, radiansPerElementAround * radius * -sinRadiansAround, 0.0 ] dx_ds2 = [0, 0, height / (2 * elementsCountUpNeck)] tube_x.append(x) tube_d1.append(dx_ds1) tube_d2.append(dx_ds2) else: for n1 in range(elementsCountAround): neckHeight = height - height* math.cos(math.pi/4) radiansAround = n1 * radiansPerElementAround cosRadiansAround = math.cos(radiansAround) sinRadiansAround = math.sin(radiansAround) x = [ -radius * sinRadiansAround, radius * cosRadiansAround, -height - neckHeight + n2 * 2 * neckHeight / elementsCountUpNeck ] dx_ds1 = [ -radiansPerElementAround * radius * cosRadiansAround, radiansPerElementAround * radius * -sinRadiansAround, 0.0 ] dx_ds2 = [0, 0, height / elementsCountUpNeck] tube_x.append(x) tube_d1.append(dx_ds1) tube_d2.append(dx_ds2) # interpolation between the lower part of the ellipsoidal and the tube m1 = 0 z_bottom = ellipsoidal_x[-1][2] z_top = ellipsoidal_x[0][2] delta_z = z_top - z_bottom interpolatedNodes = [] interpolatedNodes_d1 = [] interpolatedNodes_d2 = [] for n2 in range(elementsCountUpNeck+1): xi = 1.0 - (ellipsoidal_x[m1][2] - z_bottom) / delta_z for n1 in range(elementsCountAround): phi_inner, _, phi_outer, _ = getCubicHermiteBasis(xi) x = [(phi_inner*tube_x[m1][c] + phi_outer*ellipsoidal_x[m1][c]) for c in range(3)] d1 = [(phi_inner*tube_d1[m1][c] + phi_outer*ellipsoidal_d1[m1][c]) for c in range(3)] d2 = [(phi_inner*tube_d2[m1][c] + phi_outer*ellipsoidal_d2[m1][c]) for c in range(3)] interpolatedNodes.append(x) interpolatedNodes_d1.append(d1) interpolatedNodes_d2.append(d2) m1 += 1 # smoothing the derivatives sd2Raw = [] for n1 in range(elementsCountAround): lineSmoothingNodes = [] lineSmoothingNodes_d2 = [] for n2 in range(elementsCountUpNeck+1): lineSmoothingNodes.append(interpolatedNodes[n1 + n2 * elementsCountAround]) lineSmoothingNodes_d2.append(interpolatedNodes_d2[n1 + n2 * elementsCountAround]) sd2 = smoothCubicHermiteDerivativesLine(lineSmoothingNodes, lineSmoothingNodes_d2, fixAllDirections=False, fixStartDerivative=True, fixEndDerivative=True, fixStartDirection=False, fixEndDirection=False) sd2Raw.append(sd2) # re-arrange the derivatives order d2RearrangedList = [] for n2 in range(elementsCountUpNeck+1): for n1 in range(elementsCountAround): d2 = sd2Raw[n1][n2] d2RearrangedList.append(d2) # create tracksurface at the outer layer of the neck nodesOnTrackSurface = [] nodesOnTrackSurface_d1 = [] nodesOnTrackSurface_d2 = [] for n2 in range(elementsCountUpNeck+1): for n1 in range(elementsCountAround): if (n1 <= elementsCountAround / 2): nodesOnTrackSurface.append(interpolatedNodes[n2 * elementsCountAround + n1]) nodesOnTrackSurface_d1.append(interpolatedNodes_d1[n2 * elementsCountAround + n1]) nodesOnTrackSurface_d2.append(d2RearrangedList[n2 * elementsCountAround + n1]) # nodes and derivatives of the neck of the bladder listOuterNeck_x = [] listOuterNeck_d1 = [] listOuterNeck_d2 = [] elementsCount1 = elementsCountAround // 2 elementsCount2 = elementsCountUpNeck tracksurfaceOstium1 = TrackSurface(elementsCount1, elementsCount2, nodesOnTrackSurface, nodesOnTrackSurface_d1, nodesOnTrackSurface_d2) ostium1Position = tracksurfaceOstium1.createPositionProportion(ostiumPositionAround, ostiumPositionUp) ostium1Position.xi1 = 1.0 ostium1Position.xi2 = 1.0 ostiumElementPositionAround = ostium1Position.e1 ostiumElementPositionUp = ostium1Position.e2 for n2 in range(len(interpolatedNodes)): listOuterNeck_x.append(interpolatedNodes[n2]) listOuterNeck_d1.append(interpolatedNodes_d1[n2]) listOuterNeck_d2.append(d2RearrangedList[n2]) # create body of the bladder radiansPerElementAround = 2.0 * math.pi / elementsCountAround radiansPerElementUpBody = (3 * math.pi / 4) / elementsCountUpBody # create regular rows listOuterBody_x = [] listOuterBody_d1 = [] listOuterBody_d2 = [] for n2 in range(1, elementsCountUpBody): radiansUp = (math.pi / 4) + n2 * radiansPerElementUpBody cosRadiansUp = math.cos(radiansUp) sinRadiansUp = math.sin(radiansUp) majorRadius = 0.5 * majorDiameter * sinRadiansUp minorRadius = 0.5 * minorDiameter * sinRadiansUp for n1 in range(elementsCountAround): radiansAround = n1 * radiansPerElementAround cosRadiansAround = math.cos(radiansAround) sinRadiansAround = math.sin(radiansAround) x = [ -majorRadius * sinRadiansAround, minorRadius * cosRadiansAround, -height * cosRadiansUp ] dx_ds1 = [ -majorRadius * cosRadiansAround * radiansPerElementAround, minorRadius * -sinRadiansAround * radiansPerElementAround, 0.0 ] dx_ds2 = [ -0.5 * majorDiameter * sinRadiansAround * cosRadiansUp * radiansPerElementUpBody, 0.5 * minorDiameter * cosRadiansAround * cosRadiansUp * radiansPerElementUpBody, height*sinRadiansUp * radiansPerElementUpBody ] listOuterBody_x.append(x) listOuterBody_d1.append(dx_ds1) listOuterBody_d2.append(dx_ds2) # create outer apex node outerApexNode_x = [] outerApexNode_d1 = [] outerApexNode_d2 = [] x = [0.0, 0.0, height] dx_ds1 = [height*radiansPerElementUpBody/2, 0.0, 0.0] dx_ds2 = [0.0, height*radiansPerElementUpBody/2, 0.0] outerApexNode_x.append(x) outerApexNode_d1.append(dx_ds1) outerApexNode_d2.append(dx_ds2) # set nodes of outer layer of the bladder listTotalOuter_x = listOuterNeck_x + listOuterBody_x + outerApexNode_x listTotalOuter_d1 = listOuterNeck_d1 + listOuterBody_d1 + outerApexNode_d1 listTotalOuter_d2 = listOuterNeck_d2 + listOuterBody_d2 + outerApexNode_d2 outerLayer_x = [] outerLayer_d1 = [] outerLayer_d2 = [] for n2 in range(len(listTotalOuter_x)): if (n2 != (ostiumElementPositionUp + 1) * elementsCountAround + ostiumElementPositionAround + 1) and\ (n2 != (ostiumElementPositionUp + 1) * elementsCountAround + elementsCountAround - ostiumElementPositionAround - 1): node = nodes.createNode(nodeIdentifier, nodetemplate) cache.setNode(node) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, listTotalOuter_x[n2]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, listTotalOuter_d1[n2]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, listTotalOuter_d2[n2]) nodeIdentifier += 1 outerLayer_x.append(listTotalOuter_x[n2]) outerLayer_d1.append(listTotalOuter_d1[n2]) outerLayer_d2.append(listTotalOuter_d2[n2]) # create and set nodes of inner layer of the bladder listTotalInner_x = [] listTotalInner_d1 = [] listTotalInner_d2 = [] for n2 in range(elementsCountUpNeck + elementsCountUpBody): loop_x = [listTotalOuter_x[n2 * elementsCountAround + n1] for n1 in range(elementsCountAround)] loop_d1 = [listTotalOuter_d1[n2 * elementsCountAround + n1] for n1 in range(elementsCountAround)] loop_d2 = [listTotalOuter_d2[n2 * elementsCountAround + n1] for n1 in range(elementsCountAround)] for n1 in range(elementsCountAround): x, d1, _, _ = interp.projectHermiteCurvesThroughWall(loop_x, loop_d1, loop_d2, n1, -bladderWallThickness, loop=True) listTotalInner_x.append(x) listTotalInner_d1.append(d1) listInner_d2 = [] for n2 in range(elementsCountAround): nx = [listTotalOuter_x[n1 * elementsCountAround + n2] for n1 in range(elementsCountUpNeck + elementsCountUpBody)] nd1 = [listTotalOuter_d1[n1 * elementsCountAround + n2] for n1 in range(elementsCountUpNeck + elementsCountUpBody)] nd2 = [listTotalOuter_d2[n1 * elementsCountAround + n2] for n1 in range(elementsCountUpNeck + elementsCountUpBody)] for n1 in range(elementsCountUpNeck + elementsCountUpBody): _, d2, _, _ = interp.projectHermiteCurvesThroughWall(nx, nd2, nd1, n1, bladderWallThickness, loop=False) listInner_d2.append(d2) # re-arrange the derivatives order for n2 in range(elementsCountUpNeck + elementsCountUpBody): for n1 in range(elementsCountAround): rearranged_d2 = listInner_d2[n1 * (elementsCountUpNeck + elementsCountUpBody) + n2] listTotalInner_d2.append(rearranged_d2) innerLayer_x = [] innerLayer_d1 = [] innerLayer_d2 = [] for n2 in range(len(listTotalInner_x)): if (n2 != (ostiumElementPositionUp + 1) * elementsCountAround + ostiumElementPositionAround + 1) and \ (n2 != (ostiumElementPositionUp + 1) * elementsCountAround + elementsCountAround - ostiumElementPositionAround - 1): node = nodes.createNode(nodeIdentifier, nodetemplate) cache.setNode(node) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, listTotalInner_x[n2]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, listTotalInner_d1[n2]) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, listTotalInner_d2[n2]) nodeIdentifier += 1 innerLayer_x.append(listTotalInner_x[n2]) innerLayer_d1.append(listTotalInner_d1[n2]) innerLayer_d2.append(listTotalInner_d2[n2]) # create inner apex node x = [0.0, 0.0, height - bladderWallThickness] dx_ds1 = [height*radiansPerElementUpBody/2, 0.0, 0.0] dx_ds2 = [0.0, height*radiansPerElementUpBody/2, 0.0] node = nodes.createNode(nodeIdentifier, nodetemplate) cache.setNode(node) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_VALUE, 1, x) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS1, 1, dx_ds1) coordinates.setNodeParameters(cache, -1, Node.VALUE_LABEL_D_DS2, 1, dx_ds2) listTotalInner_x.append(x) listTotalInner_d1.append(dx_ds1) listTotalInner_d2.append(dx_ds2) innerLayer_x.append(x) innerLayer_d1.append(dx_ds1) innerLayer_d2.append(dx_ds2) nodeIdentifier += 1 # create ureters on the surface elementIdentifier = 1 # ureter 1 centerUreter1_x, centerUreter1_d1, centerUreter1_d2 = tracksurfaceOstium1.evaluateCoordinates(ostium1Position, derivatives=True) td1, td2, td3 = calculate_surface_axes(centerUreter1_d1, centerUreter1_d2, [1.0, 0.0, 0.0]) m1 = ostiumElementPositionUp * elementsCountAround + ostiumElementPositionAround ureter1StartCornerx = listOuterNeck_x[m1] v1 = [(ureter1StartCornerx[c] - centerUreter1_x[c]) for c in range(3)] ostium1Direction = vector.crossproduct3(td3, v1) nodeIdentifier, elementIdentifier, (o1_x, o1_d1, o1_d2, _, o1_NodeId, o1_Positions) = \ generateOstiumMesh(region, ostiumDefaultOptions, tracksurfaceOstium1, ostium1Position, ostium1Direction, startNodeIdentifier=nodeIdentifier, startElementIdentifier=elementIdentifier) # ureter 2 tracksurfaceOstium2 = tracksurfaceOstium1.createMirrorX() ostium2Position = TrackSurfacePosition(elementsCountAround - ostiumElementPositionAround, ostiumElementPositionUp - 1, 0.0, 1.0) centerUreter2_x, centerUreter2_d1, centerUreter2_d2 = tracksurfaceOstium2.evaluateCoordinates(ostium2Position, derivatives =True) ad1, ad2, ad3 = calculate_surface_axes(centerUreter2_d1, centerUreter2_d2, [1.0, 0.0, 0.0]) if elementsCountAroundOstium == 4: m2 = ostiumElementPositionUp * elementsCountAround + elementsCountAround - ostiumElementPositionAround - 1 else: m2 = ostiumElementPositionUp * elementsCountAround + elementsCountAround - ostiumElementPositionAround - 2 ureter2StartCornerx = listOuterNeck_x[m2] v2 = [(ureter2StartCornerx[c] - centerUreter2_x[c]) for c in range(3)] ostium2Direction = vector.crossproduct3(ad3, v2) nodeIdentifier, elementIdentifier, (o2_x, o2_d1, o2_d2, _, o2_NodeId, o2_Positions) = \ generateOstiumMesh(region, ostiumDefaultOptions, tracksurfaceOstium2, ostium2Position, ostium2Direction, startNodeIdentifier=nodeIdentifier, startElementIdentifier=elementIdentifier) # create annulus mesh around ostium endPoints1_x = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endPoints1_d1 = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endPoints1_d2 = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endNode1_Id = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endDerivativesMap = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endPoints2_x = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endPoints2_d1 = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endPoints2_d2 = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] endNode2_Id = [[None] * elementsCountAroundOstium, [None] * elementsCountAroundOstium] nodeCountsEachWallLayer = (elementsCountUpNeck + elementsCountUpBody) * elementsCountAround - 1 for n3 in range(2): n1 = 0 endNode1_Id[n3][n1] = ((1 - n3) * nodeCountsEachWallLayer) + (ostiumElementPositionUp * elementsCountAround) + ostiumElementPositionAround + 1 endNode1_Id[n3][n1 + 1] = endNode1_Id[n3][n1] + elementsCountAround endNode1_Id[n3][n1 + 2] = endNode1_Id[n3][n1 + 1] + elementsCountAround - 2 endNode1_Id[n3][n1 + 3] = endNode1_Id[n3][n1 + 2] + 1 endNode1_Id[n3][n1 + 4] = endNode1_Id[n3][n1 + 3] + 1 endNode1_Id[n3][n1 + 5] = endNode1_Id[n3][n1 + 1] + 1 endNode1_Id[n3][n1 + 6] = endNode1_Id[n3][n1] + 2 endNode1_Id[n3][n1 + 7] = endNode1_Id[n3][n1] + 1 if ostiumElementPositionAround == 0: endNode2_Id[n3][n1] = ((1 - n3) * nodeCountsEachWallLayer) + (ostiumElementPositionUp * elementsCountAround)\ + elementsCountAround - ostiumElementPositionAround - 1 endNode2_Id[n3][n1 + 1] = endNode2_Id[n3][n1] + elementsCountAround - 1 endNode2_Id[n3][n1 + 2] = endNode2_Id[n3][n1 + 1] + elementsCountAround - 1 endNode2_Id[n3][n1 + 3] = endNode2_Id[n3][n1 + 2] + 1 endNode2_Id[n3][n1 + 4] = endNode2_Id[n3][n1 + 3] - elementsCountAround + 1 endNode2_Id[n3][n1 + 5] = endNode2_Id[n3][n1 + 4] - elementsCountAround + 2 endNode2_Id[n3][n1 + 6] = endNode2_Id[n3][n1 + 5] - elementsCountAround endNode2_Id[n3][n1 + 7] = endNode2_Id[n3][n1] + 1 else: endNode2_Id[n3][n1] = ((1 - n3) * nodeCountsEachWallLayer) + (ostiumElementPositionUp * elementsCountAround)\ + elementsCountAround - ostiumElementPositionAround - 1 endNode2_Id[n3][n1 + 1] = endNode2_Id[n3][n1] + elementsCountAround - 1 endNode2_Id[n3][n1 + 2] = endNode2_Id[n3][n1 + 1] + elementsCountAround - 1 endNode2_Id[n3][n1 + 3] = endNode2_Id[n3][n1 + 2] + 1 endNode2_Id[n3][n1 + 4] = endNode2_Id[n3][n1 + 3] + 1 endNode2_Id[n3][n1 + 5] = endNode2_Id[n3][n1 + 1] + 1 endNode2_Id[n3][n1 + 6] = endNode2_Id[n3][n1] + 2 endNode2_Id[n3][n1 + 7] = endNode2_Id[n3][n1] + 1 for n3 in range(2): for n1 in range(elementsCountAroundOstium): nc1 = endNode1_Id[n3][n1] - (1 - n3) * nodeCountsEachWallLayer - 1 endPoints1_x[n3][n1] = innerLayer_x[nc1] endPoints1_d1[n3][n1] = innerLayer_d1[nc1] endPoints1_d2[n3][n1] = [innerLayer_d2[nc1][c] for c in range(3)] nc2 = endNode2_Id[n3][n1] - (1 - n3) * nodeCountsEachWallLayer - 1 endPoints2_x[n3][n1] = innerLayer_x[nc2] endPoints2_d1[n3][n1] = innerLayer_d1[nc2] endPoints2_d2[n3][n1] = innerLayer_d2[nc2] for n1 in range(elementsCountAroundOstium): if n1 == 0: endDerivativesMap[0][n1] = ((-1, 0, 0), (-1, -1, 0), None, (0, 1, 0)) endDerivativesMap[1][n1] = ((-1, 0, 0), (-1, -1, 0), None, (0, 1, 0)) elif n1 == 1: endDerivativesMap[0][n1] = ((0, 1, 0), (-1, 0, 0), None) endDerivativesMap[1][n1] = ((0, 1, 0), (-1, 0, 0), None) elif n1 == 2: endDerivativesMap[0][n1] = ((0, 1, 0), (-1, 1, 0), None, (1, 0, 0)) endDerivativesMap[1][n1] = ((0, 1, 0), (-1, 1, 0), None, (1, 0, 0)) elif n1 == 3: endDerivativesMap[0][n1] = ((1, 0, 0), (0, 1, 0), None) endDerivativesMap[1][n1] = ((1, 0, 0), (0, 1, 0), None) elif n1 == 4: endDerivativesMap[0][n1] = ((1, 0, 0), (1, 1, 0), None, (0, -1, 0)) endDerivativesMap[1][n1] = ((1, 0, 0), (1, 1, 0), None, (0, -1, 0)) elif n1 == 5: endDerivativesMap[0][n1] = ((0, -1, 0), (1, 0, 0), None) endDerivativesMap[1][n1] = ((0, -1, 0), (1, 0, 0), None) elif n1 == 6: endDerivativesMap[0][n1] = ((0, -1, 0), (1, -1, 0), None, (-1, 0, 0)) endDerivativesMap[1][n1] = ((0, -1, 0), (1, -1, 0), None, (-1, 0, 0)) else: endDerivativesMap[0][n1] = ((-1, 0, 0), (0, -1, 0), None) endDerivativesMap[1][n1] = ((-1, 0, 0), (0, -1, 0), None) nodeIdentifier, elementIdentifier = createAnnulusMesh3d( nodes, mesh, nodeIdentifier, elementIdentifier, o1_x, o1_d1, o1_d2, None, o1_NodeId, None, endPoints1_x, endPoints1_d1, endPoints1_d2, None, endNode1_Id, endDerivativesMap, elementsCountRadial=elementsCountAnnulusRadially, meshGroups=[neckMeshGroup, urinaryBladderMeshGroup]) nodeIdentifier, elementIdentifier = createAnnulusMesh3d( nodes, mesh, nodeIdentifier, elementIdentifier, o2_x, o2_d1, o2_d2, None, o2_NodeId, None, endPoints2_x, endPoints2_d1, endPoints2_d2, None, endNode2_Id, endDerivativesMap, elementsCountRadial=elementsCountAnnulusRadially, meshGroups=[neckMeshGroup, urinaryBladderMeshGroup]) # create elements for e3 in range(1): newl = (e3 + 1) * ((elementsCountUpNeck + elementsCountUpBody) * elementsCountAround - 1) # create bladder neck elements for e2 in range(elementsCountUpNeck): for e1 in range(elementsCountAround): if e2 == ostiumElementPositionUp: if (e1 == ostiumElementPositionAround or e1 == ostiumElementPositionAround + 1): pass elif (e1 == elementsCountAround - ostiumElementPositionAround - 2 or e1 == elementsCountAround - 1 - ostiumElementPositionAround): pass else: bni1 = e2 * elementsCountAround + e1 + 1 bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround + 1 if e1 < ostiumElementPositionAround: bni3 = bni1 + elementsCountAround bni4 = bni2 + elementsCountAround elif (ostiumElementPositionAround + 1 < e1 < elementsCountAround - ostiumElementPositionAround - 2): bni3 = bni1 + elementsCountAround - 1 bni4 = bni2 + elementsCountAround - 1 elif e1 > elementsCountAround - ostiumElementPositionAround - 1: bni3 = bni1 + elementsCountAround - 2 if e1 == elementsCountAround - 1: bni4 = bni2 + elementsCountAround else: bni4 = bni2 + elementsCountAround - 2 element = mesh.createElement(elementIdentifier, elementtemplate) nodeIdentifiers = [bni1 + newl, bni2 + newl, bni3 + newl, bni4 + newl, bni1, bni2, bni3, bni4] result = element.setNodesByIdentifier(eft, nodeIdentifiers) neckMeshGroup.addElement(element) urinaryBladderMeshGroup.addElement(element) elementIdentifier += 1 elif e2 == ostiumElementPositionUp + 1: if (e1 == ostiumElementPositionAround or e1 == ostiumElementPositionAround + 1): pass elif (e1 == elementsCountAround - ostiumElementPositionAround - 2 or e1 == elementsCountAround - 1 - ostiumElementPositionAround): pass else: if e1 < ostiumElementPositionAround: bni1 = e2 * elementsCountAround + e1 + 1 bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround + 1 bni3 = bni1 + elementsCountAround - 2 bni4 = bni2 + elementsCountAround - 2 elif (ostiumElementPositionAround + 1 < e1 < elementsCountAround - ostiumElementPositionAround - 2): bni1 = e2 * elementsCountAround + e1 bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround bni3 = bni1 + elementsCountAround - 1 bni4 = bni2 + elementsCountAround - 1 elif e1 > elementsCountAround - ostiumElementPositionAround - 1: bni1 = e2 * elementsCountAround + e1 - 1 bni3 = bni1 + elementsCountAround if e1 == elementsCountAround - 1: bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround + 1 bni4 = bni2 + elementsCountAround - 2 else: bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround - 1 bni4 = bni2 + elementsCountAround element = mesh.createElement(elementIdentifier, elementtemplate) nodeIdentifiers = [bni1 + newl, bni2 + newl, bni3 + newl, bni4 + newl, bni1, bni2, bni3, bni4] result = element.setNodesByIdentifier(eft, nodeIdentifiers) neckMeshGroup.addElement(element) urinaryBladderMeshGroup.addElement(element) elementIdentifier += 1 elif e2 > ostiumElementPositionUp + 1: element = mesh.createElement(elementIdentifier, elementtemplate) bni1 = e2 * elementsCountAround + e1 - 1 bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround - 1 bni3 = bni1 + elementsCountAround bni4 = bni2 + elementsCountAround nodeIdentifiers = [bni1 + newl, bni2 + newl, bni3 + newl, bni4 + newl, bni1, bni2, bni3, bni4] result = element.setNodesByIdentifier(eft, nodeIdentifiers) neckMeshGroup.addElement(element) urinaryBladderMeshGroup.addElement(element) elementIdentifier += 1 else: element = mesh.createElement(elementIdentifier, elementtemplate) bni1 = e2 * elementsCountAround + e1 + 1 bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround + 1 bni3 = bni1 + elementsCountAround bni4 = bni2 + elementsCountAround nodeIdentifiers = [bni1 + newl, bni2 + newl, bni3 + newl, bni4 + newl, bni1, bni2, bni3, bni4] result = element.setNodesByIdentifier(eft, nodeIdentifiers) neckMeshGroup.addElement(element) urinaryBladderMeshGroup.addElement(element) elementIdentifier += 1 # create bladder body elements for e2 in range(elementsCountUpNeck, (elementsCountUpNeck + elementsCountUpBody - 1)): for e1 in range(elementsCountAround): element = mesh.createElement(elementIdentifier, elementtemplate) bni1 = e2 * elementsCountAround + e1 - 1 bni2 = e2 * elementsCountAround + (e1 + 1) % elementsCountAround - 1 bni3 = bni1 + elementsCountAround bni4 = bni2 + elementsCountAround nodeIdentifiers = [bni1 + newl, bni2 + newl, bni3 + newl, bni4 + newl, bni1, bni2, bni3, bni4] result = element.setNodesByIdentifier(eft, nodeIdentifiers) bodyMeshGroup.addElement(element) urinaryBladderMeshGroup.addElement(element) elementIdentifier += 1 # create apex elements bni3 = (elementsCountUpNeck + elementsCountUpBody) * elementsCountAround - 1 elementtemplateApex = mesh.createElementtemplate() elementtemplateApex.setElementShapeType(Element.SHAPE_TYPE_CUBE) for e1 in range(elementsCountAround): va = e1 vb = (e1 + 1) % elementsCountAround eftApex = eftfactory.createEftShellPoleTop(va, vb) elementtemplateApex.defineField(coordinates, -1, eftApex) # redefine field in template for changes to eftApex: element = mesh.createElement(elementIdentifier, elementtemplateApex) bni1 = bni3 - elementsCountAround + e1 bni2 = bni3 - elementsCountAround + (e1 + 1) % elementsCountAround nodeIdentifiers = [bni1 + newl, bni2 + newl, bni3 + newl, bni1, bni2, bni3] result = element.setNodesByIdentifier(eftApex, nodeIdentifiers) bodyMeshGroup.addElement(element) urinaryBladderMeshGroup.addElement(element) elementIdentifier += 1 fm.endChange() return annotationGroups
def getTriplePoints(self, n3): ''' Compute coordinates and derivatives of points where 3 square elements merge. :param n3: Index of through-wall coordinates to use. ''' n1a = self.elementsCountRim n1b = n1a + 1 n1c = n1a + 2 m1a = self.elementsCountAcross - self.elementsCountRim m1b = m1a - 1 m1c = m1a - 2 n2a = self.elementsCountRim n2b = n2a + 1 n2c = n2a + 2 # left ltx = [] if self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_AROUND: tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][n1c], self.px[n3][n2c][n1b]], [[(-self.pd1[n3][n2a][n1c][c] - self.pd3[n3][n2a][n1c][c]) for c in range(3)], self.pd1[n3][n2c][n1b]], 2, arcLengthDerivatives=True)[0:2] ltx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][n1b], self.px[n3][n2c][n1c]], [[-self.pd3[n3][n2a][n1b][c] for c in range(3)], [(self.pd1[n3][n2c][n1c][c] + self.pd3[n3][n2c][n1c][c]) for c in range(3)]], 2, arcLengthDerivatives=True)[0:2] ltx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2c][n1a], self.px[n3][n2b][n1c]], [[(self.pd1[n3][n2c][n1a][c] - self.pd3[n3][n2c][n1a][c]) for c in range(3)], self.pd3[n3][n2b][n1c]], 2, arcLengthDerivatives=True)[0:2] ltx.append(tx[1]) elif self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_REGULAR: tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][n1c], self.px[n3][n2c][n1b]], [[(-self.pd1[n3][n2a][n1c][c] + self.pd2[n3][n2a][n1c][c]) for c in range(3)], self.pd2[n3][n2c][n1b]], 2, arcLengthDerivatives=True)[0:2] ltx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][n1b], self.px[n3][n2c][n1c]], [ self.pd2[n3][n2a][n1b], [(self.pd1[n3][n2c][n1c][c] + self.pd2[n3][n2c][n1c][c]) for c in range(3)] ], 2, arcLengthDerivatives=True)[0:2] ltx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2c][n1a], self.px[n3][n2b][n1c]], [[(self.pd1[n3][n2c][n1a][c] - self.pd2[n3][n2c][n1a][c]) for c in range(3)], self.pd1[n3][n2b][n1c]], 2, arcLengthDerivatives=True)[0:2] ltx.append(tx[1]) #x = [ (ltx[0][c] + ltx[1][c] + ltx[2][c])/3.0 for c in range(3) ] x = [(ltx[0][c] + ltx[2][c]) / 2.0 for c in range(3)] if self.trackSurface: p = self.trackSurface.findNearestPosition( x, startPosition=self.trackSurface.createPositionProportion( *(self.pProportions[n2b][n1c]))) self.pProportions[n2b][n1b] = self.trackSurface.getProportion(p) x, sd1, sd2 = self.trackSurface.evaluateCoordinates( p, derivatives=True) d1, d2, d3 = calculate_surface_axes(sd1, sd2, vector.normalise(sd1)) self.pd3[n3][n2b][n1b] = d3 self.px[n3][n2b][n1b] = x if self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_AROUND: self.pd3[n3][n2b][n1b] = [ (self.px[n3][n2b][n1c][c] - self.px[n3][n2b][n1b][c]) for c in range(3) ] self.pd1[n3][n2b][n1b] = [ (self.px[n3][n2c][n1b][c] - self.px[n3][n2b][n1b][c]) for c in range(3) ] elif self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_REGULAR: self.pd1[n3][n2b][n1b] = [ (self.px[n3][n2b][n1c][c] - self.px[n3][n2b][n1b][c]) for c in range(3) ] self.pd2[n3][n2b][n1b] = [ (self.px[n3][n2c][n1b][c] - self.px[n3][n2b][n1b][c]) for c in range(3) ] if not self.trackSurface: if self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_AROUND: self.pd2[n3][n2b][n1b] = vector.normalise( vector.crossproduct3(self.pd3[n3][n2b][n1b], self.pd1[n3][n2b][n1b])) elif self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_REGULAR: self.pd3[n3][n2b][n1b] = vector.normalise( vector.crossproduct3(self.pd1[n3][n2b][n1b], self.pd2[n3][n2b][n1b])) # right rtx = [] if self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_AROUND: tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][m1c], self.px[n3][n2c][m1b]], [[(self.pd1[n3][n2a][m1c][c] - self.pd3[n3][n2a][m1c][c]) for c in range(3)], self.pd1[n3][n2c][m1b]], 2, arcLengthDerivatives=True)[0:2] rtx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][m1b], self.px[n3][n2c][m1c]], [[-self.pd3[n3][n2a][m1b][c] for c in range(3)], [(-self.pd3[n3][n2c][m1c][c] + self.pd1[n3][n2c][m1c][c]) for c in range(3)]], 2, arcLengthDerivatives=True)[0:2] rtx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2c][m1a], self.px[n3][n2b][m1c]], [[(-self.pd1[n3][n2c][m1a][c] - self.pd3[n3][n2c][m1a][c]) for c in range(3)], [-d for d in self.pd3[n3][n2b][m1c]]], 2, arcLengthDerivatives=True)[0:2] rtx.append(tx[1]) elif self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_REGULAR: tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][m1c], self.px[n3][n2c][m1b]], [[(self.pd1[n3][n2a][m1c][c] + self.pd2[n3][n2a][m1c][c]) for c in range(3)], self.pd2[n3][n2c][m1b]], 2, arcLengthDerivatives=True)[0:2] rtx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2a][m1b], self.px[n3][n2c][m1c]], [ self.pd2[n3][n2a][m1b], [(-self.pd1[n3][n2c][m1c][c] + self.pd2[n3][n2c][m1c][c]) for c in range(3)] ], 2, arcLengthDerivatives=True)[0:2] rtx.append(tx[1]) tx, td1 = sampleCubicHermiteCurves( [self.px[n3][n2c][m1a], self.px[n3][n2b][m1c]], [[(-self.pd1[n3][n2c][m1a][c] - self.pd2[n3][n2c][m1a][c]) for c in range(3)], [-d for d in self.pd1[n3][n2b][m1c]]], 2, arcLengthDerivatives=True)[0:2] rtx.append(tx[1]) #x = [ (rtx[0][c] + rtx[1][c] + rtx[2][c])/3.0 for c in range(3) ] x = [(rtx[0][c] + rtx[2][c]) / 2.0 for c in range(3)] if self.trackSurface: p = self.trackSurface.findNearestPosition( x, startPosition=self.trackSurface.createPositionProportion( *(self.pProportions[n2b][m1c]))) self.pProportions[n2b][m1b] = self.trackSurface.getProportion(p) x, sd1, sd2 = self.trackSurface.evaluateCoordinates( p, derivatives=True) d1, d2, d3 = calculate_surface_axes(sd1, sd2, vector.normalise(sd1)) self.pd3[n3][n2b][m1b] = d3 self.px[n3][n2b][m1b] = x if self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_AROUND: self.pd3[n3][n2b][m1b] = [ (self.px[n3][n2b][m1b][c] - self.px[n3][n2b][m1c][c]) for c in range(3) ] self.pd1[n3][n2b][m1b] = [ (self.px[n3][n2c][m1b][c] - self.px[n3][n2b][m1b][c]) for c in range(3) ] elif self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_REGULAR: self.pd1[n3][n2b][m1b] = [ (self.px[n3][n2b][m1b][c] - self.px[n3][n2b][m1c][c]) for c in range(3) ] self.pd2[n3][n2b][m1b] = [ (self.px[n3][n2c][m1b][c] - self.px[n3][n2b][m1b][c]) for c in range(3) ] if not self.trackSurface: if self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_AROUND: self.pd2[n3][n2b][m1b] = vector.normalise( vector.crossproduct3(self.pd3[n3][n2b][m1b], self.pd1[n3][n2b][m1b])) elif self._type == ShieldRimDerivativeMode.SHIELD_RIM_DERIVATIVE_MODE_REGULAR: self.pd3[n3][n2b][m1b] = vector.normalise( vector.crossproduct3(self.pd1[n3][n2b][m1b], self.pd2[n3][n2b][m1b]))