[Olena-patches] milena r3865: Implement load() for filling an array from a plot

URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2009-05-22 Fabien Freling &lt;fabien.freling(a)lrde.epita.fr&gt; Implement load() for filling an array from a plot. * mln/io/plot/load.hh: Load a plot into an float array. * tests/io/plot/load.cc: New test file for plot loading. --- mln/io/plot/load.hh | 33 +++++++++++++++++++++++++-------- tests/io/plot/load.cc | 17 +++++++++++++++++ 2 files changed, 42 insertions(+), 8 deletions(-) Index: trunk/milena/tests/io/plot/load.cc =================================================================== --- trunk/milena/tests/io/plot/load.cc (revision 0) +++ trunk/milena/tests/io/plot/load.cc (revision 3865) @@ -0,0 +1,17 @@ +#include <mln/io/plot/load.hh> +#include <mln/util/array.hh> + + +using namespace mln; + +int main(int argc, char* argv[]) +{ + util::array<float> arr; + + io::plot::load(arr, argv[1]); + + for (unsigned i = 0; i < arr.nelements(); ++i) + std::cout << arr[i] << std::endl; + + return 0; +} Index: trunk/milena/mln/io/plot/load.hh =================================================================== --- trunk/milena/mln/io/plot/load.hh (revision 3864) +++ trunk/milena/mln/io/plot/load.hh (revision 3865) @@ -35,6 +35,7 @@ # include <iostream> # include <fstream> +# include <cstring> # include <mln/core/image/image1d.hh> # include <mln/metal/equal.hh> # include <mln/util/array.hh> @@ -58,9 +59,9 @@ * \param[in] start_value The start index value of the plot * (optional). */ - template <typename I> + /*template <typename I> void load(image1d<I>& ima, - const std::string& filename); + const std::string& filename);*/ /*! Load a Milena array from a plot file. * @@ -77,7 +78,7 @@ # ifndef MLN_INCLUDE_ONLY - template <typename I> + /*template <typename I> inline void load(image1d<I>& ima, const std::string& filename) { @@ -88,7 +89,7 @@ file_out << start_value + i << ", " << ima.at_(i) << std::endl; trace::exiting("mln::io::plot::load"); - } + }*/ template <typename I> inline @@ -96,11 +97,27 @@ { trace::entering("mln::io::plot::load"); - std::ifstream file_out(filename.c_str()); - while (!oef) + arr.clear(); + std::ifstream file_in(filename.c_str()); + + int MAX_LENGTH = 100; + char line[MAX_LENGTH]; + char delims[] = " "; + char *result = NULL; + char *tmp_str = NULL; + + while (file_in.getline(line, MAX_LENGTH)) + { + if (strlen(line) > 0 && line[0] != '#') + { + tmp_str = strtok(line, delims); + while (tmp_str != NULL) { - if (line is comment) - continue; + result = tmp_str; + tmp_str = strtok(NULL, delims); + } + arr.append(atof(result)); // FIXME: type + } } trace::exiting("mln::io::plot::load");