slimmed down the code
This commit is contained in:
Marcel Paffrath
parent
b700940f54
commit
f192a72ad7
@ -6,83 +6,27 @@ def vgrids2VTK(inputfile = 'vgrids.in', outputfile = 'vgrids.vtk', absOrRel = 'a
|
||||
'''
|
||||
Generate a vtk-file readable by e.g. paraview from FMTOMO output vgrids.in
|
||||
'''
|
||||
def getDistance(angle):
|
||||
PI = np.pi
|
||||
R = 6371.
|
||||
distance = angle / 180 * (PI * R)
|
||||
return distance
|
||||
|
||||
def readNumberOfPoints(filename):
|
||||
fin = open(filename, 'r')
|
||||
vglines = fin.readlines()
|
||||
|
||||
nR = int(vglines[1].split()[0])
|
||||
nTheta = int(vglines[1].split()[1])
|
||||
nPhi = int(vglines[1].split()[2])
|
||||
|
||||
print('readNumberOf Points: Awaiting %d grid points in %s'
|
||||
%(nR*nTheta*nPhi, filename))
|
||||
fin.close()
|
||||
return nR, nTheta, nPhi
|
||||
|
||||
def readDelta(filename):
|
||||
fin = open(filename, 'r')
|
||||
vglines = fin.readlines()
|
||||
|
||||
dR = float(vglines[2].split()[0])
|
||||
dTheta = float(vglines[2].split()[1])
|
||||
dPhi = float(vglines[2].split()[2])
|
||||
|
||||
fin.close()
|
||||
return dR, dTheta, dPhi
|
||||
|
||||
def readStartpoints(filename):
|
||||
fin = open(filename, 'r')
|
||||
vglines = fin.readlines()
|
||||
|
||||
sR = float(vglines[3].split()[0])
|
||||
sTheta = float(vglines[3].split()[1])
|
||||
sPhi = float(vglines[3].split()[2])
|
||||
|
||||
fin.close()
|
||||
return sR, sTheta, sPhi
|
||||
|
||||
def readVelocity(filename):
|
||||
'''
|
||||
Reads in velocity from vgrids file and returns a list containing all values in the same order
|
||||
'''
|
||||
vel = []; count = 0
|
||||
fin = open(filename, 'r')
|
||||
vglines = fin.readlines()
|
||||
|
||||
for line in vglines:
|
||||
count += 1
|
||||
if count > 4:
|
||||
vel.append(float(line.split()[0]))
|
||||
|
||||
print("Read %d points out of file: %s" %(count - 4, filename))
|
||||
return vel
|
||||
|
||||
R = 6371. # earth radius
|
||||
outfile = open(outputfile, 'w')
|
||||
|
||||
# Theta, Phi in radians, R in km
|
||||
nR, nTheta, nPhi = readNumberOfPoints(inputfile)
|
||||
dR, dTheta, dPhi = readDelta(inputfile)
|
||||
sR, sTheta, sPhi = readStartpoints(inputfile)
|
||||
vel = readVelocity(inputfile)
|
||||
number, delta, start, vel = _readVgrid(inputfile)
|
||||
|
||||
nR, nTheta, nPhi = number
|
||||
dR, dTheta, dPhi = delta
|
||||
sR, sTheta, sPhi = start
|
||||
|
||||
thetaGrid, phiGrid, rGrid = _generateGrids(number, delta, start)
|
||||
|
||||
nPoints = nR * nTheta * nPhi
|
||||
|
||||
nX = nPhi; nY = nTheta; nZ = nR
|
||||
|
||||
sZ = sR - R
|
||||
sX = getDistance(np.rad2deg(sPhi))
|
||||
sY = getDistance(np.rad2deg(sTheta))
|
||||
|
||||
dX = getDistance(np.rad2deg(dPhi))
|
||||
dY = getDistance(np.rad2deg(dTheta))
|
||||
|
||||
nPoints = nX * nY * nZ
|
||||
sX = _getDistance(sPhi)
|
||||
sY = _getDistance(sTheta)
|
||||
|
||||
dX = _getDistance(dPhi)
|
||||
dY = _getDistance(dTheta)
|
||||
dZ = dR
|
||||
|
||||
# write header
|
||||
@ -109,7 +53,8 @@ def vgrids2VTK(inputfile = 'vgrids.in', outputfile = 'vgrids.vtk', absOrRel = 'a
|
||||
for velocity in vel:
|
||||
outfile.writelines('%10f\n' %velocity)
|
||||
elif absOrRel == 'rel':
|
||||
velref = readVelocity(inputfileref)
|
||||
nref, dref, sref, velref = _readVgrid(inputfileref)
|
||||
nR_ref, nTheta_ref, nPhi_ref = nref
|
||||
if not len(velref) == len(vel):
|
||||
print('ERROR: Number of gridpoints mismatch for %s and %s'%(inputfile, inputfileref))
|
||||
return
|
||||
@ -122,7 +67,6 @@ def vgrids2VTK(inputfile = 'vgrids.in', outputfile = 'vgrids.vtk', absOrRel = 'a
|
||||
else:
|
||||
velrel.append(0)
|
||||
|
||||
nR_ref, nTheta_ref, nPhi_ref = readNumberOfPoints(inputfileref)
|
||||
if not nR_ref == nR and nTheta_ref == nTheta and nPhi_ref == nPhi:
|
||||
print('ERROR: Dimension mismatch of grids %s and %s'%(inputfile, inputfileref))
|
||||
return
|
||||
@ -142,12 +86,6 @@ def rays2VTK(fnin, fdirout = './vtk_files/', nthPoint = 50):
|
||||
:param: nthPoint, plot every nth point of the ray
|
||||
:type: integer
|
||||
'''
|
||||
def getDistance(angle):
|
||||
PI = np.pi
|
||||
R = 6371.
|
||||
distance = angle / 180 * (PI * R)
|
||||
return distance
|
||||
|
||||
infile = open(fnin, 'r')
|
||||
R = 6371
|
||||
rays = {}
|
||||
@ -155,7 +93,6 @@ def rays2VTK(fnin, fdirout = './vtk_files/', nthPoint = 50):
|
||||
nPoints = 0
|
||||
|
||||
### NOTE: rays.dat seems to be in km and radians
|
||||
|
||||
while True:
|
||||
raynumber += 1
|
||||
firstline = infile.readline()
|
||||
@ -173,7 +110,7 @@ def rays2VTK(fnin, fdirout = './vtk_files/', nthPoint = 50):
|
||||
for index in range(nRayPoints):
|
||||
if index % nthPoint is 0 or index == (nRayPoints - 1):
|
||||
rad, lat, lon = infile.readline().split()
|
||||
rays[shotnumber][raynumber].append([getDistance(np.rad2deg(float(lon))), getDistance(np.rad2deg(float(lat))), float(rad) - R])
|
||||
rays[shotnumber][raynumber].append([_getDistance(np.rad2deg(float(lon))), _getDistance(np.rad2deg(float(lat))), float(rad) - R])
|
||||
else:
|
||||
dummy = infile.readline()
|
||||
|
||||
@ -199,7 +136,6 @@ def rays2VTK(fnin, fdirout = './vtk_files/', nthPoint = 50):
|
||||
|
||||
# write coordinates
|
||||
#print("Writing coordinates to VTK file...")
|
||||
|
||||
for raynumber in rays[shotnumber].keys():
|
||||
for raypoint in rays[shotnumber][raynumber]:
|
||||
outfile.writelines('%10f %10f %10f \n' %(raypoint[0], raypoint[1], raypoint[2]))
|
||||
@ -208,7 +144,6 @@ def rays2VTK(fnin, fdirout = './vtk_files/', nthPoint = 50):
|
||||
|
||||
# write indices
|
||||
#print("Writing indices to VTK file...")
|
||||
|
||||
count = 0
|
||||
for raynumber in rays[shotnumber].keys():
|
||||
outfile.writelines('%d ' %(len(rays[shotnumber][raynumber])))
|
||||
@ -217,29 +152,7 @@ def rays2VTK(fnin, fdirout = './vtk_files/', nthPoint = 50):
|
||||
count += 1
|
||||
outfile.writelines('\n')
|
||||
|
||||
# outfile.writelines('POINT_DATA %15d\n' %(nPoints))
|
||||
# outfile.writelines('SCALARS rays float %d\n' %(1))
|
||||
# outfile.writelines('LOOKUP_TABLE default\n')
|
||||
|
||||
# # write velocity
|
||||
# print("Writing velocity values to VTK file...")
|
||||
# for velocity in vel:
|
||||
# outfile.writelines('%10f\n' %velocity)
|
||||
|
||||
# outfile.close()
|
||||
# print("Wrote velocity grid for %d points to file: %s" %(nPoints, outputfile))
|
||||
|
||||
def addCheckerboard(spacing = 10., pertubation = 0.1, inputfile = 'vgrids.in',
|
||||
outputfile = 'vgrids_cb.in', ampmethod = 'linear', rect = (None, None)):
|
||||
'''
|
||||
Add a checkerboard to an existing vgrids.in velocity model.
|
||||
|
||||
:param: spacing, size of the tiles
|
||||
type: float
|
||||
|
||||
:param: pertubation, pertubation (default: 0.1 = 10%)
|
||||
type: float
|
||||
'''
|
||||
def _readVgrid(filename):
|
||||
def readNumberOfPoints(filename):
|
||||
fin = open(filename, 'r')
|
||||
vglines = fin.readlines()
|
||||
@ -291,6 +204,46 @@ def addCheckerboard(spacing = 10., pertubation = 0.1, inputfile = 'vgrids.in',
|
||||
print("Read %d points out of file: %s" %(count - 4, filename))
|
||||
return vel
|
||||
|
||||
# Theta, Phi in radians, R in km
|
||||
nR, nTheta, nPhi = readNumberOfPoints(filename)
|
||||
dR, dThetaRad, dPhiRad = readDelta(filename)
|
||||
sR, sThetaRad, sPhiRad = readStartpoints(filename)
|
||||
vel = readVelocity(filename)
|
||||
|
||||
dTheta, dPhi = np.rad2deg((dThetaRad, dPhiRad))
|
||||
sTheta, sPhi = np.rad2deg((sThetaRad, sPhiRad))
|
||||
|
||||
number = (nR, nTheta, nPhi)
|
||||
delta = (dR, dTheta, dPhi)
|
||||
start = (sR, sTheta, sPhi)
|
||||
return number, delta, start, vel
|
||||
|
||||
def _generateGrids(number, delta, start):
|
||||
nR, nTheta, nPhi = number
|
||||
dR, dTheta, dPhi = delta
|
||||
sR, sTheta, sPhi = start
|
||||
|
||||
eR = sR + (nR - 1) * dR
|
||||
ePhi = sPhi + (nPhi - 1) * dPhi
|
||||
eTheta = sTheta + (nTheta - 1) * dTheta
|
||||
|
||||
thetaGrid = np.linspace(sTheta, eTheta, num = nTheta)
|
||||
phiGrid = np.linspace(sPhi, ePhi, num = nPhi)
|
||||
rGrid = np.linspace(sR, eR, num = nR)
|
||||
|
||||
return (thetaGrid, phiGrid, rGrid)
|
||||
|
||||
def addCheckerboard(spacing = 10., pertubation = 0.1, inputfile = 'vgrids.in',
|
||||
outputfile = 'vgrids_cb.in', ampmethod = 'linear', rect = (None, None)):
|
||||
'''
|
||||
Add a checkerboard to an existing vgrids.in velocity model.
|
||||
|
||||
:param: spacing, size of the tiles
|
||||
type: float
|
||||
|
||||
:param: pertubation, pertubation (default: 0.1 = 10%)
|
||||
type: float
|
||||
'''
|
||||
def correctSpacing(spacing, delta, disttype = None):
|
||||
if spacing > delta:
|
||||
spacing_corr = round(spacing / delta) * delta
|
||||
@ -320,35 +273,24 @@ def addCheckerboard(spacing = 10., pertubation = 0.1, inputfile = 'vgrids.in',
|
||||
else:
|
||||
print('ampFunc: Could not amplify cb pattern')
|
||||
|
||||
|
||||
R = 6371. # earth radius
|
||||
decm = 0.3 # diagonal elements of the covariance matrix (grid3dg's default value is 0.3)
|
||||
outfile = open(outputfile, 'w')
|
||||
|
||||
# Theta, Phi in radians, R in km
|
||||
nR, nTheta, nPhi = readNumberOfPoints(inputfile)
|
||||
dR, dThetaRad, dPhiRad = readDelta(inputfile)
|
||||
sR, sThetaRad, sPhiRad = readStartpoints(inputfile)
|
||||
vel = readVelocity(inputfile)
|
||||
number, delta, start, vel = _readVgrid(inputfile)
|
||||
|
||||
dTheta, dPhi = np.rad2deg((dThetaRad, dPhiRad))
|
||||
sTheta, sPhi = np.rad2deg((dThetaRad, dPhiRad))
|
||||
nR, nTheta, nPhi = number
|
||||
dR, dTheta, dPhi = delta
|
||||
sR, sTheta, sPhi = start
|
||||
|
||||
eR = sR + (nR - 1) * dR
|
||||
ePhi = sPhi + (nPhi - 1) * dPhi
|
||||
eTheta = sTheta + (nTheta - 1) * dTheta
|
||||
thetaGrid, phiGrid, rGrid = _generateGrids(number, delta, start)
|
||||
|
||||
nPoints = nR * nTheta * nPhi
|
||||
|
||||
thetaGrid = np.linspace(sTheta, eTheta, num = nTheta)
|
||||
phiGrid = np.linspace(sPhi, ePhi, num = nPhi)
|
||||
rGrid = np.linspace(sR, eR, num = nR)
|
||||
|
||||
# write header for velocity grid file (in RADIANS)
|
||||
outfile.writelines('%10s %10s \n' %(1, 1))
|
||||
outfile.writelines('%10s %10s %10s\n' %(nR, nTheta, nPhi))
|
||||
outfile.writelines('%10s %10s %10s\n' %(dR, dThetaRad, dPhiRad))
|
||||
outfile.writelines('%10s %10s %10s\n' %(sR, sThetaRad, sPhiRad))
|
||||
outfile.writelines('%10s %10s %10s\n' %(dR, np.deg2rad(dTheta), np.deg2rad(dPhi)))
|
||||
outfile.writelines('%10s %10s %10s\n' %(sR, np.deg2rad(sTheta), np.deg2rad(sPhi)))
|
||||
|
||||
spacR = correctSpacing(spacing, dR, '[meter], R')
|
||||
spacTheta = correctSpacing(_getAngle(spacing), dTheta, '[degree], Theta')
|
||||
@ -402,6 +344,85 @@ def addCheckerboard(spacing = 10., pertubation = 0.1, inputfile = 'vgrids.in',
|
||||
'Outputfile: %s.'%(inputfile, spacing, pertubation, outputfile))
|
||||
outfile.close()
|
||||
|
||||
def addBox(x = (None, None), y = (None, None), z = (None, None),
|
||||
boxvelocity = 1.0, inputfile = 'vgrids.in',
|
||||
outputfile = 'vgrids_box.in'):
|
||||
'''
|
||||
Add a box with constant velocity to an existing vgrids.in velocity model.
|
||||
|
||||
:param: x, borders of the box (xleft, xright)
|
||||
type: tuple
|
||||
|
||||
:param: y, borders of the box (yleft, yright)
|
||||
type: tuple
|
||||
|
||||
:param: z, borders of the box (bot, top)
|
||||
type: tuple
|
||||
|
||||
:param: boxvelocity, default: 1.0 km/s
|
||||
type: float
|
||||
'''
|
||||
R = 6371.
|
||||
decm = 0.3 # diagonal elements of the covariance matrix (grid3dg's default value is 0.3)
|
||||
outfile = open(outputfile, 'w')
|
||||
|
||||
theta1 = _getAngle(y[0])
|
||||
theta2 = _getAngle(y[1])
|
||||
phi1 = _getAngle(x[0])
|
||||
phi2 = _getAngle(x[1])
|
||||
r1 = R + z[0]
|
||||
r2 = R + z[1]
|
||||
|
||||
print('Adding box to grid with theta = (%s, %s), phi = (%s, %s), '
|
||||
'r = (%s, %s), velocity = %s [km/s]'
|
||||
%(theta1, theta2, phi1, phi2, r1, r2, boxvelocity))
|
||||
|
||||
number, delta, start, vel = _readVgrid(inputfile)
|
||||
|
||||
nR, nTheta, nPhi = number
|
||||
dR, dTheta, dPhi = delta
|
||||
sR, sTheta, sPhi = start
|
||||
|
||||
thetaGrid, phiGrid, rGrid = _generateGrids(number, delta, start)
|
||||
|
||||
nPoints = nR * nTheta * nPhi
|
||||
|
||||
# write header for velocity grid file (in RADIANS)
|
||||
outfile.writelines('%10s %10s \n' %(1, 1))
|
||||
outfile.writelines('%10s %10s %10s\n' %(nR, nTheta, nPhi))
|
||||
outfile.writelines('%10s %10s %10s\n' %(dR, np.deg2rad(dTheta), np.deg2rad(dPhi)))
|
||||
outfile.writelines('%10s %10s %10s\n' %(sR, np.deg2rad(sTheta), np.deg2rad(sPhi)))
|
||||
|
||||
count = 0
|
||||
for radius in rGrid:
|
||||
if r1 <= radius <= r2:
|
||||
rFlag = 1
|
||||
else:
|
||||
rFlag = 0
|
||||
for theta in thetaGrid:
|
||||
if theta1 <= theta <= theta2:
|
||||
thetaFlag = 1
|
||||
else:
|
||||
thetaFlag = 0
|
||||
for phi in phiGrid:
|
||||
if phi1 <= phi <= phi2:
|
||||
phiFlag = 1
|
||||
else:
|
||||
phiFlag = 0
|
||||
velocity = vel[count]
|
||||
if rFlag * thetaFlag * phiFlag is not 0:
|
||||
velocity = boxvelocity
|
||||
|
||||
outfile.writelines('%10s %10s\n'%(velocity, decm))
|
||||
count += 1
|
||||
|
||||
progress = float(count) / float(nPoints) * 100
|
||||
_update_progress(progress)
|
||||
|
||||
print('Added box to the grid in file %s. '
|
||||
'Outputfile: %s.'%(inputfile, outputfile))
|
||||
outfile.close()
|
||||
|
||||
def _update_progress(progress):
|
||||
sys.stdout.write("%d%% done \r" % (progress) )
|
||||
sys.stdout.flush()
|
||||
@ -415,3 +436,9 @@ def _getAngle(distance):
|
||||
angle = distance * 180. / (PI * R)
|
||||
return angle
|
||||
|
||||
def _getDistance(angle):
|
||||
PI = np.pi
|
||||
R = 6371.
|
||||
distance = angle / 180 * (PI * R)
|
||||
return distance
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user