You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
164 lines
5.5 KiB
Python
164 lines
5.5 KiB
Python
from struct import *
|
|
from pylab import *
|
|
import sys
|
|
|
|
# Updated 10/11/15 BMM : Added mesh.
|
|
# Updated 10/11/15 MD : Added dictionnary initialisation in mesh.
|
|
|
|
class rma:
|
|
def __init__(self):
|
|
self.file='not opened yet'
|
|
# May want to do some other things here later
|
|
|
|
def open(self,filename):
|
|
self.file=open(('%s.rma' % (filename)),'rb')
|
|
self.header=self.file.read(1000)
|
|
self.type=self.header[0:10]
|
|
self.title=self.header[100:172]
|
|
self.geometry=self.header[200:300]
|
|
self.num_nodes=int(self.header[40:50])
|
|
self.num_elements=int(self.header[50:60])
|
|
if self.type==b'RMA11 ':
|
|
self.num_constits=int(self.header[60:70])
|
|
if len(self.header[80:90].strip())==0:
|
|
self.num_sedlayers=0
|
|
else:
|
|
self.num_sedlayers=int(self.header[80:90])
|
|
self.constit_name=[]
|
|
self.constit_name.append("NULL")
|
|
i=1
|
|
#print(self.num_constits)
|
|
while i <= self.num_constits:
|
|
#print(i, self.num_constits, i <= self.num_constits)
|
|
self.constit_name.append(self.header[300+(i-1)*8:308+(i-1)*8])
|
|
if self.header[300+(i-1)*8:308+(i-1)*8]==" SSED ":
|
|
self.constit_name.append(" BSHEAR")
|
|
self.constit_name.append("BedThick")
|
|
j=1
|
|
while j<=self.num_sedlayers:
|
|
self.constit_name.append(" L%dThick" % j)
|
|
j=j+1
|
|
i=i+1
|
|
#if self.num_sedlayers > 0:
|
|
# self.num_constits=self.num_constits+2+self.num_sedlayers
|
|
|
|
# Header format in RMA2
|
|
|
|
# HEADER(1:10) ='RMA2 '
|
|
# HEADER(11:20)=DATEC = Date of run
|
|
# HEADER(21:30)=TIMEC = Time of run
|
|
# HEADER(31:40)=ZONEC = Time zone
|
|
# HEADER(41:50)=NP = Number of nodes
|
|
# HEADER(51:60)=NE = Number of elements
|
|
# HEADER(101:172)=TITLE = Title line
|
|
# HEADER(201:300)=FNAME = File name of binary geometry
|
|
|
|
# Header format in RMA11
|
|
# HEADER(1:10) - Model
|
|
# HEADER(11:20) - DATEC of model runtime
|
|
# HEADER(21:30) - TIMEC of model runtime
|
|
# HEADER(31:40) - ZONEC of model runtime
|
|
# HEADER(41:90) - '(5I10)' NP,NE,NQAL,IGS,LGS or '(5I10)' NP,NE,NQAL,ISEDS,NLAYT
|
|
# HEADER(101:172) - TITLE
|
|
# HEADER(301:540) - '(30A8)' CLABL
|
|
# HEADER(201:248) - FNAMD directory of the geometry
|
|
# HEADER(251:298) - FNAM2 filename of the geometry
|
|
|
|
def mesh(self,filename):
|
|
self.meshfile=open(('%s.rm1' % (filename)),'r')
|
|
l=self.meshfile.readline()
|
|
while l[0:5]!=' 9999' and len(l)!=5:
|
|
l=self.meshfile.readline()
|
|
l=self.meshfile.readline()
|
|
self.node_e={}
|
|
self.node_n={}
|
|
self.node_z={}
|
|
while l[0:10]!=' 9999' and len(l)!=10:
|
|
ll=l.split()
|
|
self.node_e[ll[0]]=ll[1]
|
|
self.node_n[ll[0]]=ll[2]
|
|
self.node_z[ll[0]]=ll[3]
|
|
l=self.meshfile.readline()
|
|
|
|
|
|
def next(self):
|
|
# This reads the next timestep and populates the variables.
|
|
# Reset all of the variables
|
|
self.time=0.0
|
|
self.year=0
|
|
self.xvel=[]
|
|
self.yvel=[]
|
|
self.zvel=[]
|
|
self.depth=[]
|
|
self.elevation=[]
|
|
|
|
# Add in an entry to fill position 0. Important since RMA files start numbering nodes from 1.
|
|
self.xvel.append(-999)
|
|
self.yvel.append(-999)
|
|
self.zvel.append(-999)
|
|
self.depth.append(-999)
|
|
self.elevation.append(-999)
|
|
|
|
if self.type==b'RMA2 ':
|
|
# WRITE(IRMAFM) TETT,NP,IYRR,((VEL(J,K),J=1,3),K=1,NP),(WSEL(J),J=1,NP),(VDOT(3,K),K=1,NP)
|
|
t=self.file.read(12)
|
|
if t:
|
|
a=unpack('fii',t)
|
|
self.time=a[0]
|
|
np=int(a[1])
|
|
self.year=a[2]
|
|
if (np!=self.num_nodes):
|
|
print ("Warning - NP (%d) on this timestep does not match header (%d)" % (np,self.num_nodes))
|
|
b=unpack('%df' % 5*np, self.file.read(20*np))
|
|
i=1
|
|
while i<=np:
|
|
self.xvel.append(b[0+(i-1)*3])
|
|
self.yvel.append(b[1+(i-1)*3])
|
|
self.depth.append(b[2+(i-1)*3])
|
|
self.elevation.append(b[np*3+(i-1)])
|
|
i=i+1
|
|
|
|
if self.type==b'RMA11 ':
|
|
self.constit=[]
|
|
c=0
|
|
# Start at zero to leave an empty array space. Constits numbered 1 .. num_constits
|
|
while c<=self.num_constits:
|
|
self.constit.append([])
|
|
# Put a null into the 0 position so that RMA node numbers are in the same numbered array position.
|
|
self.constit[c].append(-999)
|
|
c=c+1
|
|
# READ(file1,END=100) TETT1,NQAL,NP,IYRR, ((VEL(K,J),J=1,NP),K=1,3), (wd(j),j=1,np), (wsel(j),j=1,np), ((TCON1(K,J),J=1,NP),K=1,NQAL-5)
|
|
t=self.file.read(16)
|
|
if t:
|
|
a=unpack('fiii',t)
|
|
self.time=a[0]
|
|
nqal=int(a[1])
|
|
np=int(a[2])
|
|
self.year=a[3]
|
|
if ((nqal-5)!=(self.num_constits)):
|
|
print ("Warning - NQAL-5 {} on this timestep {} does not match header {}".format(nqal-5,self.time,self.num_constits))
|
|
if (np!=self.num_nodes):
|
|
print ("Warning - NP {} on this timestep {} does not match header {}".format(np,self.time,self.num_nodes))
|
|
b=unpack('%df' % nqal*np, self.file.read(4*nqal*np))
|
|
i=1
|
|
while i<=np:
|
|
|
|
self.xvel.append(b[0+(i-1)*3])
|
|
self.yvel.append(b[1+(i-1)*3])
|
|
self.zvel.append(b[2+(i-1)*3])
|
|
self.depth.append(b[np*3+(i-1)])
|
|
self.elevation.append(b[np*4+(i-1)])
|
|
c=1
|
|
while c<=self.num_constits:
|
|
self.constit[c].append(b[np*((c-1)+5)+(i-1)])
|
|
c=c+1
|
|
i=i+1
|
|
|
|
|
|
if len(self.xvel)==1:
|
|
# Note that this is a 1 now as we've filled the zero array position
|
|
return False
|
|
else:
|
|
return True
|
|
|