Descriptor EuclidianMetric::getCentroid(std::vector<FeaturePoint> &vecFeaturePoint, std::vector<int> &vecIdList)
{
if (vecIdList.empty())
throw std::runtime_error("Error: cluster is empty!");
int sizeDesc = vecFeaturePoint[0].descriptor().size();
Descriptor bufValue(sizeDesc);
int countRec = vecIdList.size();
for (int i = 0; i < sizeDesc; i++)
{
double result = 0;
for (int j = 0; j < countRec; j++)
result += vecFeaturePoint[vecIdList[j]].descriptor()[i];
bufValue[i] = result / countRec;
}
return bufValue;
}
void ConfigProperty::ConfigInit(int argc, char* argv[])
{
std::string strCfgFile;
std::vector< std::string > cmdDefs;
if(argc > 0)
{
m_vtOtherArgs.push_back(argv[0]);
char ch;
while((ch = getopt(argc, argv, "c:D:")) != -1)
{
switch(ch)
{
case 'c':
strCfgFile = optarg;
break;
case 'D':
cmdDefs.push_back(optarg);
break;
// 忽略无效选项
case '?':
break;
default:
if(optarg)
{
m_vtOtherArgs.push_back(optarg);
}
break;
}
}
}
// 定义缓冲区
Buffer bufTmp(1024);
Buffer bufLine(1024);
Buffer bufName(256);
Buffer bufValue(1024 * 1024);
// 定义要解析的文件
std::vector< std::string > cfgFiles;
std::string str = GetPreConfigFile();
if(str.length() > 0)
{
const char* p = getenv(str.c_str());
if(p != NULL && strlen(p) > 0)
{
cfgFiles.push_back(p);
}
}
if(strCfgFile.length() > 0)
{
cfgFiles.push_back(strCfgFile);
}
// 先解析文件
for(size_t k = 0; k < cfgFiles.size(); k++)
{
FILE* fp = fopen(cfgFiles[k].c_str(), "r");
if(fp != NULL)
{
while(!feof(fp))
{
bufTmp.Reset();
bufLine.Reset();
bufName.Reset();
bufValue.Reset();
if(fgets(bufTmp.Inout(), bufTmp.Capacity() - 1, fp) != NULL)
{
// 去掉注释
int code = sscanf(bufTmp.Inout(), "%[^#\n]", bufLine.Inout());
if(code != 1)
{
continue;
}
// 分割成name/value
code = sscanf(bufLine.Inout(), "%[^ =]%*[ =]%[^$]", bufName.Inout(), bufValue.Inout());
if(code != 2)
{
continue;
}
// 保存解析好的name/value
m_OptionProperty[StringUtil::TrimAll(bufName.Inout())] = StringUtil::TrimAll(bufValue.Inout());
}
}
fclose(fp);
}
else
{
throw LWPR::LWPR_FILE_NOT_EXIST(EXCEPTION_THREAD_TRACE, 0, "fopen error");
}
}
// 再解析命令行
for(size_t i = 0; i < cmdDefs.size(); i++)
{
bufName.Reset();
bufValue.Reset();
// 分割成name/value
int code = sscanf(cmdDefs[i].c_str(), "%[^ =]%*[ =]%[^$]", bufName.Inout(), bufValue.Inout());
if(code != 2)
{
continue;
}
// 保存解析好的name/value
m_OptionProperty[StringUtil::TrimAll(bufName.Inout())] = StringUtil::TrimAll(bufValue.Inout());
}
DoPropConstruct();
}