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reading_ccf.m
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function [temp, right, front] = reading_ccf(vargin)
global filename;
f_name = [filename '.ccf'];
if nargin == 1
f_name = [filename '.ccf2'];
end
fid = fopen(f_name, 'r');
%fid = fopen("feb_final.ccf",'r');
k = 0;
while ~feof(fid)
k = k+1;
CBC(k,1).KSPT = fread(fid, 1, 'int32');
CBC(k,1).KPER = fread(fid, 1, 'int32');
CBC(k,1).DESC = fread(fid, 16, 'char');
CBC(k,1).DESC = char(CBC(k,1).DESC');
CBC(k,1).NCOL = fread(fid, 1, 'int32');
CBC(k,1).NROW = fread(fid, 1, 'int32');
CBC(k,1).NLAY = fread(fid, 1, 'int32');
%fprintf('Reading %s for time step %i, stress period %i\n', CBC(k,1).DESC, CBC(k,1).KSPT, CBC(k,1).KPER);
if CBC(k,1).NLAY > 0
% If NLAY is greater than zero, a 3D array of real numbers follows NLAY.
% The number of values is NCOL x NROW x NLAY. To read it, you can use
% a loop over the layers that contains a loop over rows that contains
% a loop over columns.
data0 = read_modflow_array(fid, CBC(k,1).NROW, CBC(k,1).NCOL, abs(CBC(k,1).NLAY));
data0 = reshape(data0,[CBC(k,1).NCOL CBC(k,1).NROW abs(CBC(k,1).NLAY)]);
data0_dash = zeros([CBC(k,1).NROW CBC(k,1).NCOL abs(CBC(k,1).NLAY)]);
for i = 1:abs(CBC(k,1).NLAY)
data0_dash(:,:,i) = data0(:,:,i)';
end
CBC(k,1).data = data0_dash;
elseif CBC(k,1).NLAY <= 0
%error('negative NLAY cases not implemented yet')
ITYPE = fread(fid, 1, 'int32');
DELT = fread(fid, 1, 'float');
PERTIM = fread(fid, 1, 'float');
TOTIM = fread(fid, 1, 'float');
if ITYPE == 0 || ITYPE == 1
data0 = read_modflow_array(fid, CBC(k,1).NROW, CBC(k,1).NCOL, abs(CBC(k,1).NLAY));
data0 = reshape(data0,[CBC(k,1).NCOL CBC(k,1).NROW abs(CBC(k,1).NLAY)]);
data0_dash = zeros([CBC(k,1).NROW CBC(k,1).NCOL abs(CBC(k,1).NLAY)]);
for i = 1:abs(CBC(k,1).NLAY)
data0_dash(:,:,i) = data0(:,:,i)';
end
CBC(k,1).data = data0_dash;
% to read this 3d data
% im = reshape(data0,[ max_col max_row max_layer])
% img(:,:,i) = im(:,:,i)';
elseif ITYPE == 3 % read in row major order
data3 = fread(fid,CBC(k,1).NROW*CBC(k,1).NCOL,'int32');
data3_dash = fread(fid,CBC(k,1).NROW*CBC(k,1).NCOL,'float');
CBC(k,1).data = [ data3 data3_dash ];
% to arrange data in 2D:
% im = reshape(data3_dash, [max_col max_row]);
% im = im';
elseif ITYPE == 2
ICELL = [];
v = [];
NLIST = fread(fid,1,'int32'); %remove comment after debugging
data2 = zeros(CBC(k,1).NROW*CBC(k,1).NCOL,1);
NVAL = 1;
if(NLIST > 0)
NRC = CBC(k,1).NROW*CBC(k,1).NCOL*abs(CBC(k,1).NLAY);
end
fieldsizes = [4 ones(1,NVAL).*4 ];%...]; %int32 float ...
skip = @(n) sum(fieldsizes) - fieldsizes(n); %sum up of field sizes except field n
offset = @(n) sum(fieldsizes(1:n)); %offset to element n+1
temp_fid = ftell(fid);
ICELL = fread(fid, NLIST, 'int32', skip(1));
%fseek(fid, offset(1), -1);
if NLIST > 0
for i = 1:NVAL
fseek(fid,temp_fid,-1);
fseek(fid, offset(i), 0);
v(i,:) = fread(fid, NLIST, 'float', skip(i+1));
end
fseek(fid,skip(NVAL)*-1,0);
end
CBC(k,1).data = [ICELL v'];
elseif ITYPE == 5
Value = [];
VAL = [];
ICELL = [];
NVAL = fread(fid,1,'int32');
if(NVAL>1)
for i = 1:NVAL-1
t = fread(fid,16,'char');
titles{i} = char(t');
end
end
NLIST = fread(fid,1,'int32');
if(NLIST > 0)
%data = float(fread(fid,NLIST,['int32 ' repmat('float ',[1 NVAL])]));
% reading in invalid format to speed up the code.
%data1 = fread(fid,NLIST,'int32');
%data2 = fread(fid,NLIST*NVAL,'float');
% code slow down here due to loop.
%% debugging
v = [];
fieldsizes = [4 ones(1,NVAL).*4 ];%...]; %int32 float ...
skip = @(n) sum(fieldsizes) - fieldsizes(n); %sum up of field sizes except field n
offset = @(n) sum(fieldsizes(1:n)); %offset to element n+1
temp_fid = ftell(fid);
ICELL = fread(fid, NLIST, 'int32', skip(1));
%fseek(fid, offset(1), -1);
for i = 1:NVAL
fseek(fid,temp_fid,-1);
fseek(fid, offset(i), 0);
v(i,:) = fread(fid, NLIST, 'float', skip(i+1));
end
fseek(fid,skip(NVAL)*-1,0);
%% old, slow and definitely correct
% for i = 1: NLIST
% ICELL(i) = fread(fid,1,'int32');
% v = fread(fid,NVAL,'float');
% Value(i,:) = v';
%
% end
CBC(k,1).data = [ICELL v'];
end
%NLIST = fread(fid,1,'int32');
elseif ITYPE == 4
data0 = read_modflow_array(fid, CBC(k,1).NROW, CBC(k,1).NCOL, 1);
data0 = reshape(data0,[CBC(k,1).NCOL CBC(k,1).NROW 1]);
data0_dash = zeros([CBC(k,1).NROW CBC(k,1).NCOL 1]);
for i = 1:abs(CBC(k,1).NLAY)
data0_dash(:,:,i) = data0(:,:,i)';
end
CBC(k,1).data = data0_dash;
end
end
end
temp = struct2cell(CBC);
right = temp(7,3);
front = temp(7,4);
fclose(fid);
function data = read_modflow_array(fid, NR, NC, NL)
data = zeros([NR* NC* NL 1]); %(100,100,1)
% for il = 1:NL
% for ir = 1:NR
% for ic = 1:NC
% data(ir,ic, il)=fread(fid, 1, 'float');
% end
% end
% end
data(:)=fread(fid, NR*NC*NL, 'float');
end
end