WSL/SLF GitLab Repository

FilterMinMax.cc 2.52 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
/***********************************************************************************/
/*  Copyright 2009 WSL Institute for Snow and Avalanche Research    SLF-DAVOS      */
/***********************************************************************************/
/* This file is part of MeteoIO.
    MeteoIO is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    MeteoIO is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with MeteoIO.  If not, see <http://www.gnu.org/licenses/>.
*/
18
#include <meteoio/meteofilters/FilterMinMax.h>
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38

using namespace std;

namespace mio {

FilterMinMax::FilterMinMax(const std::vector<std::string>& vec_args) : FilterBlock("MIN_MAX")
{
	parse_args(vec_args);
	properties.for_second_pass = true; //for the rest: default values
}

void FilterMinMax::process(const unsigned int& index, const std::vector<MeteoData>& ivec,
                           std::vector<MeteoData>& ovec)
{
	ovec.clear();

	for (unsigned int ii=0; ii<ivec.size(); ii++){
		ovec.push_back(ivec[ii]);
		
		double& tmp = ovec[ii].param(index);
39
		if (tmp == IOUtils::nodata) continue; //preserve nodata values
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

		if (tmp < min_val){
			if (is_soft){
				tmp = min_soft;
			} else {
				tmp = IOUtils::nodata;
			}
		} else if (tmp > max_val){
			if (is_soft){
				tmp = max_soft;
			} else {
				tmp = IOUtils::nodata;
			}
		}
	}
}

void FilterMinMax::parse_args(std::vector<std::string> vec_args)
{
	vector<double> filter_args;
60
	is_soft = false;
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87

	if (vec_args.size() > 2){
		is_soft = FilterBlock::is_soft(vec_args);
	}
	
	FilterBlock::convert_args(2, 4, vec_args, filter_args);

	if (filter_args.size() == 3)
		throw InvalidArgumentException("Wrong number of arguments for filter " + getName(), AT); 

	if (filter_args.size() >= 2){
		if (filter_args[0] > filter_args[1])
			throw InvalidArgumentException("Minimum should be smaller than maximum for filter " + getName(), AT); 
		
		min_val = filter_args[0];
		max_val = filter_args[1];
	}

	if (filter_args.size() == 4){
		min_soft = filter_args[2];
		max_soft = filter_args[3];
	} else {
		min_soft = min_val;
		max_soft = max_val;
	}
}

88
} //end namespace