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87 lines
3.1 KiB
87 lines
3.1 KiB
8 years ago
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function [bOk] = CheckDataFilter(dataFilter,header)
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% [bOk] = CheckDataFilter(dataFilter,[header])
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% Check that dataFilter is defined correctly
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%
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% Rule for setting dataFilter.
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% dataFilter values must be defined in pairs:
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% dataFilter{i,1} is a string with one of 'Raw' header values from the
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% GnssLogger log file e.g. 'ConstellationType'
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% dataFilter{i,2} is a string with a valid matlab expression, containing
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% the header value, e.g. 'ConstellationType==1'
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% Any comparison must be against a scalar value.
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% The heading type may be repeated, for example,
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% dataFilter{i,2} = 'ConstellationType==1 | ConstellationType==3';
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% but you may not have different heading types in a single dataFilter cell
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%
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% header, [optional input], is an mx1 cell array of strings containing
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% 'Raw' header values from GnssLogger log file
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%
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% CheckDataFilter checks the consistency of dataFilter.
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% if header is provided, then dataFilter is checked against it.
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%Author: Frank van Diggelen
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%Open Source code for processing Android GNSS Measurements
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bOk = true;
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%% check the basic structure of dataFilter
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if isempty(dataFilter)
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return
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end
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[N,M] = size(dataFilter);
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if M~=2 || ~iscell(dataFilter)
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error('dataFilter must be an nx2 cell array\n')
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end
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for i=1:N
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for j=1:2
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if ~ischar(dataFilter{i,j})
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error('dataFilter{%d,%d} is not a string\n',i,j);
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end
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end
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end
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%% Check that the value in dataFilter{i,1} occurs in dataFilter{i,2}
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for i=1:N
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if ~any(strfind(dataFilter{i,2},dataFilter{i,1}))
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error('dataFilter{%d,1} string, ''%s'' not found in dataFilter{%d,2}\n',...
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i,dataFilter{i,1},i);
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end
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end
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if nargin<2 || isempty(header)
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return
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end
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%% check that dataFilter has a matching value in the header,
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for i=1:N
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iMatch = strcmp(dataFilter{i,1},header); %iMatch is logical array
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if ~any(iMatch) %no match found
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error('dataFilter value ''%s'' has no matches in log file header',...
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dataFilter{i,1});
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end
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end
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%TBD check for occurrence of two different header types in dataFilter{i,2}
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% this is little tricky, because if you use strfind you will find
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% supersets of shorter header types: like FullBiasNanos and BiasNanos
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% so you have to take care of that.
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% Also, this is spoon feeding the user - if they follow the rules defined
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% above, they won't do this. So, we leave it for now and add later when we
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% have nothing else to do (ha ha).
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end% of function CheckDataFilter
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% Copyright 2016 Google Inc.
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%
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% Licensed under the Apache License, Version 2.0 (the "License");
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% you may not use this file except in compliance with the License.
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% You may obtain a copy of the License at
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%
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% http://www.apache.org/licenses/LICENSE-2.0
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%
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% Unless required by applicable law or agreed to in writing, software
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% distributed under the License is distributed on an "AS IS" BASIS,
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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% See the License for the specific language governing permissions and
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% limitations under the License.
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