first experimentatl version of h5 to VTK for dark current simulations

This commit is contained in:
2010-06-10 11:09:35 +00:00
parent 72ebca84e0
commit 4e988bd0d6
3 changed files with 432 additions and 0 deletions
+1
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@@ -56,6 +56,7 @@ test/H5testFpar.f90 -text
test/Makefile.am -text
tools/Makefile.am -text
tools/README -text
tools/h5ToVtk.cc -text
tools/h5pAttrib.cc -text
tools/h5pToGNUplot.cc -text
tools/homdynToH5p.cc -text
+7
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@@ -48,6 +48,13 @@ h5pToGNUplot_SOURCES = h5pToGNUplot.cc
# Specific building instruction (What compilers to use...)
# ------------ Build Tools ------------
h5ToVtk.o: h5ToVtk.cc
$(TOOLS_CXX) $(CFLAGS) $(INC) -g -c h5ToVtk.cc
h5ToVtk: h5ToVtk.o
$(TOOLS_CXX) -o h5ToVtk h5ToVtk.o $(H5PLIB) $(LIBS)
h5pAttrib: h5pAttrib.o
$(TOOLS_CXX) -o h5pAttrib h5pAttrib.o $(H5PLIB) $(LIBS)
+424
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@@ -0,0 +1,424 @@
/* h5pToGNUplot.cc
Antino Kim
This utility will output a GNU Plot input file accodring to the flags provided from the command line.
The parser was imported from the example of h5dump utility with slight modifications.
*/
#include <stdio.h>
#include <stdlib.h>
#include <cctype>
#include <string.h>
#include <hdf5.h>
#include "H5Part.h"
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <sstream>
#include <iomanip>
#include <cassert>
using namespace std;
#define MAX_LEN 100
/* Function headers */
int get_option(int argc, const char **argv, const char *opts, const struct long_options *l_opts);
static void print_help();
static void variable_assign(int argc, const char *argv[]);
/* Global variables */
static char* var_1 = NULL;
static char* var_2 = NULL;
static char* input_name = NULL;
static char* output_name = NULL;
static char* timestep = NULL;
static char* start = NULL;
static char* npoints = NULL;
static int print_all = 0;
/* `get_option' variables */
int opt_err = 1; /*get_option prints errors if this is on */
int opt_ind = 1; /*token pointer */
const char *opt_arg = NULL; /*flag argument (or value) */
/* indication whether the flag (option) requires an argument or not */
enum {
no_arg = 0, /* doesn't take an argument */
require_arg, /* requires an argument */
};
/* struct for flags (options) */
typedef struct long_options
{
const char *name; /* name of the long option */
int has_arg; /* whether we should look for an arg */
char shortval; /* the shortname equivalent of long arg
* this gets returned from get_option */
} long_options;
/* List of options in single characters */
static const char *s_opts = "h1:2:i:o:n:t:s:";
/* List of options in full words */
static struct long_options l_opts[] =
{
{ "help", no_arg, 'h' }, // Print help page
{ "1var", require_arg, '1' }, // Takes first variable parameter
{ "2var", require_arg, '2' }, // Takes second variable parameter
{ "input", require_arg, 'i' }, // Takes input file name
{ "output", require_arg, 'o' }, // Takes output file name (without this flag, the program will print to stdout)
{ "number", require_arg, 'n' }, // Sets number of output points
{ "start", require_arg, 's' }, // Sets the starting particle index
{ "timestep", require_arg, 't' }, // Sets the timestep
{ NULL, 0, '\0' }
};
/************************************************************************************
*********************************** FUNCTIONS *************************************
*************************************************************************************/
string convert2Int(int number) {
stringstream ss;
ss << setw(5) << setfill('0') << number;
return ss.str();
}
/* get_option is the parsing function that was majorly ported from h5dump utility */
int get_option(int argc, const char **argv, const char *opts, const struct long_options *l_opts) {
static int sp = 1; /* character index in current token */
int opt_opt = '?'; /* option character passed back to user */
if (sp == 1)
{
/* check for more flag-like tokens */
if (opt_ind >= argc || argv[opt_ind][0] != '-' || argv[opt_ind][1] == '\0')
{
return EOF;
}
else if (strcmp(argv[opt_ind], "--") == 0)
{
opt_ind++;
return EOF;
}
}
if (sp == 1 && argv[opt_ind][0] == '-' && argv[opt_ind][1] == '-')
{
/* long command line option */
const char *arg = &argv[opt_ind][2];
int i;
for (i = 0; l_opts && l_opts[i].name; i++)
{
size_t len = strlen(l_opts[i].name);
if (strncmp(arg, l_opts[i].name, len) == 0)
{
/* we've found a matching long command line flag */
opt_opt = l_opts[i].shortval;
if (l_opts[i].has_arg != no_arg)
{
if (arg[len] == '=')
{
opt_arg = &arg[len + 1];
}
else if (opt_ind < (argc - 1) && argv[opt_ind + 1][0] != '-')
{
opt_arg = argv[++opt_ind];
}
else if (l_opts[i].has_arg == require_arg)
{
if (opt_err)
fprintf(stderr, "%s: option required for \"--%s\" flag\n", argv[0], arg);
opt_opt = '?';
}
}
else
{
if (arg[len] == '=')
{
if (opt_err)
fprintf(stderr, "%s: no option required for \"%s\" flag\n", argv[0], arg);
opt_opt = '?';
}
opt_arg = NULL;
}
break;
}
}
if (l_opts[i].name == NULL)
{
/* exhausted all of the l_opts we have and still didn't match */
if (opt_err)
fprintf(stderr, "%s: unknown option \"%s\"\n", argv[0], arg);
opt_opt = '?';
}
opt_ind++;
sp = 1;
}
else
{
register char *cp; /* pointer into current token */
/* short command line option */
opt_opt = argv[opt_ind][sp];
if (opt_opt == ':' || (cp = strchr(opts, opt_opt)) == 0)
{
if (opt_err)
fprintf(stderr, "%s: unknown option \"%c\"\n", argv[0], opt_opt);
/* if no chars left in this token, move to next token */
if (argv[opt_ind][++sp] == '\0')
{
opt_ind++;
sp = 1;
}
return '?';
}
if (*++cp == ':')
{
/* if a value is expected, get it */
if (argv[opt_ind][sp + 1] != '\0')
{
/* flag value is rest of current token */
opt_arg = &argv[opt_ind++][sp + 1];
}
else if (++opt_ind >= argc)
{
if (opt_err)
{
fprintf(stderr, "%s: value expected for option \"%c\"\n", argv[0], opt_opt);
}
opt_opt = '?';
}
else
{
/* flag value is next token */
opt_arg = argv[opt_ind++];
}
sp = 1;
}
else
{
/* set up to look at next char in token, next time */
if (argv[opt_ind][++sp] == '\0')
{
/* no more in current token, so setup next token */
opt_ind++;
sp = 1;
}
opt_arg = NULL;
}
}
/* return the current flag character found */
return opt_opt;
}
/* Assigns functions according to the parsed result */
static void variable_assign(int argc, const char *argv[])
{
int option;
/* set options according to the command line */
while ((option = get_option(argc, argv, s_opts, l_opts)) != EOF)
{
switch ((char)option)
{
case 'h': // Print help page
print_help();
exit(1);
case '1': // Print file attributes
var_1 = strdup(opt_arg);
break;
case '2': // Print step attributes & values for time step n
var_2 = strdup(opt_arg);
break;
case 'i': // Print data sets names & values for time step n
input_name = strdup(opt_arg);
break;
case 'o': // Print number of steps
output_name = strdup(opt_arg);
break;
case 'n': // Print shorter version without the values
npoints = strdup(opt_arg);
break;
case 's': // Print shorter version without the values
start = strdup(opt_arg);
break;
case 't': // Print shorter version without the values
timestep = strdup(opt_arg);
if(atoi(timestep)==-1)
{
print_all = 1;
}
break;
default:
print_help();
exit(1);
}
}
}
/* For printing help page */
static void print_help()
{
fflush(stdout);
fprintf(stdout, "\nusage: h5pToGNUplot -t TIMESTEP -1 VARIABLE#1 -2 VARIABLE#2 -i INPUTFILE [OPTIONAL_FLAGS]\n");
fprintf(stdout, "\n");
fprintf(stdout, " FLAGS\n");
fprintf(stdout, " -h, --help Print help page\n");
fprintf(stdout, " -1 par, --1var par (REQUIRED) Takes first variable parameter to \"par\"\n");
fprintf(stdout, " -2 par, --2var par (REQUIRED) Takes second variable parameter to \"par\"\n");
fprintf(stdout, " -i file, --input file (REQUIRED) Takes input file name to \"file\"\n");
fprintf(stdout, " -t step, --timestep step (REQUIRED) Sets the timestep to \"step\" (Value -1 will result in dumping values of all timesteps.)\n");
fprintf(stdout, " -o file, --output file (OPTIONAL) Takes output file name to \"file\" (without this flag, the program will print to stdout)\n");
fprintf(stdout, " -n num, --number num (OPTIONAL) Sets number of output points to \"num\"\n");
fprintf(stdout, " -s idx, --start idx (OPTIONAL) Sets the starting particle index to \"idx\"\n");
fprintf(stdout, "\n");
fprintf(stdout, " Examples:\n");
fprintf(stdout, "\n");
fprintf(stdout, " 1) Create GNU plot file output.txt from sample.h5part by ploting x vs px for timestep 54\n");
fprintf(stdout, "\n");
fprintf(stdout, " h5pToGNUplot -t 54 -1 x -2 px -i sample.h5part -o output.txt\n");
fprintf(stdout, "\n");
fprintf(stdout, " 2) Create GNU plot file output.txt from sample.h5part by ploting x vs px for timestep 54 \n using 1200 points from particle index 76\n");
fprintf(stdout, "\n");
fprintf(stdout, " h5pToGNUplot -t 54 -1 x -2 px -i sample.h5part -o output.txt -s 76 -n 1200\n");
fprintf(stdout, "\n");
}
int main(int argc, const char *argv[])
{
H5PartFile *h5file = NULL;
std::ofstream of;
int j;
int num_dataset;
int ntime_step = 0;
variable_assign(argc, argv);
if(input_name == NULL) {
fprintf(stdout, "missing input file name\n");
print_help();
exit(1);
}
if(output_name == NULL) {
fprintf(stdout, "missing output file name\n");
print_help();
exit(1);
}
string ifn = string(input_name) + string(".h5");
h5file = H5PartOpenFile(ifn.c_str(), H5PART_READ);
if( h5file == NULL ) {
fprintf(stdout, "unable to open file %s\n", input_name);
print_help();
exit(1);
}
ntime_step = H5PartGetNumSteps(h5file);
j = 0;
for (; j<ntime_step; j++) {
H5PartSetStep(h5file,j);
num_dataset = H5PartGetNumDatasets(h5file);
h5part_int64_t nparticles = H5PartGetNumParticles(h5file);
cout << "Working on timestep " << j << " expecting " << nparticles << " particles " << endl;
h5part_float64_t* x = (h5part_float64_t*)malloc(sizeof(h5part_float64_t)*nparticles);
H5PartReadDataFloat64(h5file, "x", x);
h5part_float64_t* y = (h5part_float64_t*)malloc(sizeof(h5part_float64_t)*nparticles);
H5PartReadDataFloat64(h5file, "y", y);
h5part_float64_t* z = (h5part_float64_t*)malloc(sizeof(h5part_float64_t)*nparticles);
H5PartReadDataFloat64(h5file, "z", z);
h5part_int64_t* ptype = (h5part_int64_t*)malloc(sizeof(h5part_int64_t)*nparticles);
H5PartReadDataInt64(h5file, "ptype", ptype);
string ffn = string("vtk/") + string(output_name) + convert2Int(j) + string(".vtk");
of.open(ffn.c_str());
assert(of.is_open());
of.precision(6);
of << setprecision(5)
<< "# vtk DataFile Version 2.0" << endl
<< "unstructured grid and vector field on the nodes" << endl
<< "ASCII" << endl
<< "DATASET UNSTRUCTURED_GRID" << endl
<< "POINTS " << nparticles << " float" << endl;
// Particle positions
for(size_t i = 0; i < nparticles; i++)
of << x[i] << " " << y[i] << " " << z[i] << endl;
of << endl; // defining VTK_poly_vertex
of << "CELLS " << nparticles << " " << 2 * nparticles << endl;
for(int i = 0; i < nparticles; i++)
of << "1 " << i << endl;
of << endl;
// defining Cell_types
of << "CELL_TYPES " << nparticles << endl;
for(int i = 0; i < nparticles; i++)
of << "2" << endl;
// defining Cell_types
of << "CELL_DATA " << nparticles << endl;
of << "SCALARS " << "cell_attribute_data" << " float " << "1" << endl;
of << "LOOKUP_TABLE " << "default" << endl ;
for(int i = 0; i < nparticles ; i ++)
of << (float)(i) << endl;
of << endl;
of << "COLOR_SCALARS " << "ParticleColor " << 4 << endl ;
for(int i = 0; i < nparticles ; i ++) {
if(ptype[i] == 0)
of << "1.0" << " 1.0 " << "0.0 " << "1.0" << endl;
else
of << "0" << " 1.0 " << "0.0 " << "1.0" << endl;
}
of << endl;
of.close();
free(x);
free(x);
free(z);
free(ptype);
}
H5PartCloseFile(h5file);
return 0;
}