Example #1
0
void mexFunction(int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[]) {
  if ((nrhs == 0) || !mxIsChar(prhs[0])) {
    mexErrMsgTxt("BotParamClient: first argument must be command string");
  }
  if ((nrhs < 2) || !mxIsChar(prhs[1])) {
    mexErrMsgTxt("BotParamClient: second argument must be key");
  }

  std::string command = ::getString(prhs[0]);
  std::transform(command.begin(), command.end(), command.begin(), ::tolower);
  std::string key = ::getString(prhs[1]);

  if ((nrhs > 3) || ((nrhs == 3) && !::isSetCommand(command))) {
    mexErrMsgTxt("BotParamClient: too many input arguments");
  }

  if (isSetCommand(command) && (nrhs != 3)) {
    mexErrMsgTxt("BotParamClient: need value argument");
  }

  BotParam* param = BotParamClient::instance().getUnderlyingBotParam();
  if (param == NULL) {
    mexErrMsgTxt("BotParamClient: no param client; is server running?");
  }

  bool hasKey = (0 != bot_param_has_key(param, key.c_str()));
  if (!hasKey && !isSetCommand(command) && (command != "haskey")) {
    mexErrMsgTxt("BotParamClient: invalid key");
  }

  if (command == "haskey") {
    plhs[0] = mxCreateLogicalMatrix(1,1);
    mxLogical* out = mxGetLogicals(plhs[0]);
    out[0] = hasKey;
  }

  else if (command == "subkeys") {
    char** subkeysRaw = bot_param_get_subkeys(param, key.c_str());
    std::vector<std::string> subkeys;
    for (char** subkeyPtr = subkeysRaw; *subkeyPtr != NULL; ++subkeyPtr) {
      subkeys.push_back(std::string(*subkeyPtr));
    }
    bot_param_str_array_free(subkeysRaw);
    plhs[0] = mxCreateCellMatrix(1,subkeys.size());
    for (size_t i = 0; i < subkeys.size(); ++i) {
      mxSetCell(plhs[0], i, mxCreateString(subkeys[i].c_str()));
    }
  }

  else if (command == "getnum") {
    int len = bot_param_get_array_len(param, key.c_str());
    std::vector<double> vals;
    if (len <= 0) {
      double val;
      if (bot_param_get_double(param, key.c_str(), &val) != 0) {
        mexErrMsgTxt("BotParamClient: cannot find numeric");
      }
      vals.push_back(val);
    }
    else {
      vals.resize(len);
      if (bot_param_get_double_array(param, key.c_str(), vals.data(), len) != len) {
        mexErrMsgTxt("BotParamClient: non-numeric value(s)");
      }
    }
    plhs[0] = mxCreateDoubleMatrix(1,vals.size(),mxREAL);
    double* ptr = mxGetPr(plhs[0]);
    for (size_t i = 0; i < vals.size(); ++i) {
      ptr[i] = vals[i];
    }
  }

  else if (command == "getbool") {
    int len = bot_param_get_array_len(param, key.c_str());
    std::vector<bool> vals;
    if (len <= 0) {
      int val;
      if (bot_param_get_boolean(param, key.c_str(), &val) != 0) {
        mexErrMsgTxt("BotParamClient: cannot find bool");
      }
      vals.push_back(val!=0);
    }
    else {
      int valsRaw[len];
      if (bot_param_get_boolean_array(param, key.c_str(), valsRaw, len) != len) {
        mexErrMsgTxt("BotParamClient: non-boolean value(s)");
      }
      for (int i = 0; i < len; ++i) {
        vals.push_back(valsRaw[i]!=0);
      }
    }
    plhs[0] = mxCreateLogicalMatrix(1,vals.size());
    mxLogical* out = mxGetLogicals(plhs[0]);
    for (size_t i = 0; i < vals.size(); ++i) {
      out[i] = vals[i];
    }
  }

  else if (command == "getstr") {
    int len = bot_param_get_array_len(param, key.c_str());
    std::vector<std::string> vals;
    if (len <= 0) {
      char* val = NULL;
      if (bot_param_get_str(param, key.c_str(), &val) != 0) {
        mexErrMsgTxt("BotParamClient: cannot find string");
      }
      vals.push_back(std::string(val));
      free(val);
    }
    else {
      char** valsRaw = bot_param_get_str_array_alloc(param, key.c_str());
      for (char** valsPtr = valsRaw; *valsPtr != NULL; ++valsPtr) {
        vals.push_back(std::string(*valsPtr));
      }
      bot_param_str_array_free(valsRaw);
    }
    plhs[0] = mxCreateCellMatrix(1,vals.size());
    for (size_t i = 0; i < vals.size(); ++i) {
      mxSetCell(plhs[0], i, mxCreateString(vals[i].c_str()));
    }
  }

  else if (command == "setstr") {
    bot_param::set_t msg = constructSetMessage(param, key);
    std::string value;
    if (mxIsCell(prhs[2])) {
      int len = mxGetNumberOfElements(prhs[2]);
      for (int i = 0; i < len; ++i) {
        mxArray* cellVal = mxGetCell(prhs[2],i);
        if (!mxIsChar(cellVal)) {
          mexErrMsgTxt("BotParamClient: invalid string value argument");
        }
        std::string curVal = ::getString(cellVal);
        value += (curVal + std::string(","));
      }
      if (value.size() > 0) {
        value = value.substr(0,value.size()-1);
      }
      msg.entries[0].is_array = true;
    }
    else {
      if (!mxIsChar(prhs[2])) {
        mexErrMsgTxt("BotParamClient: invalid string value argument");
      }
      value = ::getString(prhs[2]);
    }
    msg.entries[0].value = value;
    BotParamClient::instance().getLcm()->publish("PARAM_SET", &msg);
  }

  else if (command == "setnum") {
    if (!mxIsDouble(prhs[2]) || mxIsComplex(prhs[2])) {
      mexErrMsgTxt("BotParamClient: third argument must be real value array");
    }
    bot_param::set_t msg = constructSetMessage(param, key);
    std::string value;
    int len = mxGetNumberOfElements(prhs[2]);
    double* valArray = mxGetPr(prhs[2]);
    for (int i = 0; i < len; ++i) {
      std::ostringstream oss;
      oss << valArray[i] << ",";
      value += oss.str();
    }
    if (value.size() > 0) {
      value = value.substr(0,value.size()-1);
    }
    msg.entries[0].value = value;
    msg.entries[0].is_array = (len > 1);
    BotParamClient::instance().getLcm()->publish("PARAM_SET", &msg);
  }

  else if (command == "print") {
    bot_param_write(param, stderr);
  }

  else {
    mexErrMsgTxt("BotParamClient: command must be haskey, subkeys, getnum, getbool, getstr, or setstr");
  }
}
Example #2
0
BotCamTrans*
bot_param_get_new_camtrans(BotParam *param, const char *cam_name)
{
  char prefix[2048];
  snprintf(prefix, sizeof(prefix), "%s.%s.intrinsic_cal", CAMERA_PREFIX, cam_name);
  if (!bot_param_has_key(param, prefix))
    goto fail;

  char key[2048];
  double width;
  sprintf(key, "%s.width", prefix);
  if (0 != bot_param_get_double(param, key, &width))
    goto fail;

  double height;
  sprintf(key, "%s.height", prefix);
  if (0 != bot_param_get_double(param, key, &height))
    goto fail;

  double pinhole_params[5];
  snprintf(key, sizeof(key), "%s.pinhole", prefix);
  if (5 != bot_param_get_double_array(param, key, pinhole_params, 5))
    goto fail;
  double fx = pinhole_params[0];
  double fy = pinhole_params[1];
  double cx = pinhole_params[3];
  double cy = pinhole_params[4];
  double skew = pinhole_params[2];

  char * distortion_model;
  sprintf(key, "%s.distortion_model", prefix);
  if (0 != bot_param_get_str(param, key, &distortion_model))
    goto fail;

  if (strcmp(distortion_model, "null") == 0) {
    BotDistortionObj* null_dist = bot_null_distortion_create();
    BotCamTrans* null_camtrans = bot_camtrans_new(cam_name, width, height, fx, fy, cx, cy, skew, null_dist);
    return null_camtrans;
  }
  else if (strcmp(distortion_model, "spherical") == 0) {
    double distortion_param;
    sprintf(key, "%s.distortion_params", prefix);
    if (1 != bot_param_get_double_array(param, key, &distortion_param, 1))
      goto fail;

    BotDistortionObj* sph_dist = bot_spherical_distortion_create(distortion_param);
    BotCamTrans* sph_camtrans = bot_camtrans_new(cam_name, width, height, fx, fy, cx, cy, skew, sph_dist);
    return sph_camtrans;
  }
  else if (strcmp(distortion_model, "plumb-bob") == 0) {
    double dist_k[3];
    sprintf(key, "%s.distortion_k", prefix);
    if (3 != bot_param_get_double_array(param, key, dist_k, 3))
      goto fail;

    double dist_p[2];
    sprintf(key, "%s.distortion_p", prefix);
    if (2 != bot_param_get_double_array(param, key, dist_p, 2))
      goto fail;

    BotDistortionObj* pb_dist = bot_plumb_bob_distortion_create(dist_k[0], dist_k[1], dist_k[2], dist_p[0], dist_p[1]);
    BotCamTrans* pb_camtrans = bot_camtrans_new(cam_name, width, height, fx, fy, cx, cy, skew, pb_dist);
    return pb_camtrans;
  }
  else if (strcmp(distortion_model, "angular-poly") == 0) {
    double coeffs[64];
    sprintf(key, "%s.distortion_coeffs", prefix);
    int num_coeffs = bot_param_get_double_array(param, key, coeffs, -1);
    if (0 >= num_coeffs)
      goto fail;

    BotDistortionObj* ang_dist = bot_angular_poly_distortion_create(coeffs, num_coeffs);
    BotCamTrans* ang_camtrans = bot_camtrans_new(cam_name, width, height, fx, fy, cx, cy, skew, ang_dist);
    return ang_camtrans;
  }

  fail: return NULL;
}