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Paolo Cignoni cignoni 2007-07-10 07:29:11 +00:00
parent 9751e23d39
commit 655fac694a
1 changed files with 94 additions and 0 deletions
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src/meshlab/alnParser.h Normal file
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#ifndef __OM_ALNPARSER_
#define __OM_ALNPARSER_
#include <vector>
#include <string>
#include <vcg/math/matrix44.h>
struct RangeMap
{
RangeMap()
{
quality = 1.0f;
}
std::string filename;
vcg::Matrix44f trasformation;
float quality;
};
class ALNParser
{
public:
enum ALNParserCodes {NoError, CantOpen, UnexpectedEOF, ExpectingComment};
static const char* ErrorMsg(int message_code)
{
static const char* error_msg[4] = {"No errors", "Can't open file", "Premature End of file", "I was expecting a comment"};
if(message_code>3 || message_code<0)
return "Unknown error";
else
return error_msg[message_code];
};
static int BuildALN(std::vector<RangeMap> &rangemaps, std::vector< std::string > &files)
{
rangemaps.clear();
rangemaps.resize( files.size() );
std::vector< RangeMap >::iterator rm = rangemaps.begin();
std::vector< std::string >::iterator it = files.begin();
std::vector< std::string >::iterator end = files.end();
for ( ; it!=end; it++, rm++)
{
(*rm).filename = (*it);
(*rm).quality = 1.0f;
(*rm).trasformation.SetIdentity();
}
files.clear();
return NoError;
};
static int ParseALN(std::vector<RangeMap> &rangemaps, const char *ALNname)
{
rangemaps.clear();
FILE *stream=fopen(ALNname, "r");
if(stream==NULL)
return CantOpen;
int mesh_number;
fscanf(stream, "%i\n", &mesh_number);
char buffer[1024];
for (int m=0; m<mesh_number; m++)
{
RangeMap rm;
fgets(buffer, 1024, stream);
*strchr(buffer, '\n')=0;
rm.filename = buffer;
fgets(buffer, 1024, stream);
*strchr(buffer,'\n')=0;
if(buffer[0]!='#')
return ExpectingComment;
char *occurrence = strchr(buffer, 'W');
if(occurrence!=NULL && occurrence[1]==':')
rm.quality = (float) atof(occurrence+2);
assert(rm.quality>0);
fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[0][0]),&(rm.trasformation[0][1]),&(rm.trasformation[0][2]),&(rm.trasformation[0][3]));
fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[1][0]),&(rm.trasformation[1][1]),&(rm.trasformation[1][2]),&(rm.trasformation[1][3]));
fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[2][0]),&(rm.trasformation[2][1]),&(rm.trasformation[2][2]),&(rm.trasformation[2][3]));
fscanf(stream,"%f %f %f %f \n",&(rm.trasformation[3][0]),&(rm.trasformation[3][1]),&(rm.trasformation[3][2]),&(rm.trasformation[3][3]));
rangemaps.push_back(rm);
}
return NoError;
} // end of ParseALN
};
#endif //__OM_ALNPARSER_