首页Failed to load image at: home/m/Data/euroc/MH_01/mav0/cam0/data/1403636579763555584.png

Failed to load image at: home/m/Data/euroc/MH_01/mav0/cam0/data/1403636579763555584.png

时间: 2023-10-29 20:08:13 浏览: 146

提示错误的图片

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编译时候提示错误的内容。

这个错误提示表明程序无法加载指定路径下的图像文件。可能的原因是文件不存在、路径错误这个错误提示表明程序这个错误提示表明程序无法加载指定路径下的图像文件。可能的原因是文件不存在、路径错误或者权限问题。你可以检查一下文件路径是否正确，文件是否存在，以及程序是否有足够的权限来读取该文件。如果问题仍然存在，你可以尝试使用其他图像文件来替换该文件，或者检查一下程序中与图像加载相关的代码是否正确。另外，你也可以参考引用中提到的一些解决方法来尝试解决该问题。

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// setup UAS and diag mav_uas.set_tgt(tgt_system_id, tgt_component_id); UAS_FCU(&mav_uas) = fcu_link; mav_uas.add_connection_change_handler(std::bind(&MavlinkDiag::set_connection_status, &fcu_link_diag, std::placeholders::_1)); mav_uas.add_connection_change_handler(std::bind(&MavRos::log_connect_change, this, std::placeholders::_1));

- mav_uas.add_connection_change_handler(std::bind(&MavRos::log_connect_change, this, std::placeholders::_1)); 这行代码将另一个处理程序与MAVLink连接关联。当连接状态发生变化时，处理程序MavRos::log_...

nh.param<std::string>("fcu_url", fcu_url, "serial:///dev/ttyACM0"); nh.param<std::string>("gcs_url", gcs_url, "udp://@"); nh.param<bool>("gcs_quiet_mode", gcs_quiet_mode, false); nh.param("conn/timeout", conn_timeout_d, 30.0); nh.param<std::string>("fcu_protocol", fcu_protocol, "v2.0"); nh.param("system_id", system_id, 1); nh.param<int>("component_id", component_id, mavconn::MAV_COMP_ID_UDP_BRIDGE); nh.param("target_system_id", tgt_system_id, 1); nh.param("target_component_id", tgt_component_id, 1); nh.param("startup_px4_usb_quirk", px4_usb_quirk, false); nh.getParam("plugin_blacklist", plugin_blacklist); nh.getParam("plugin_whitelist", plugin_whitelist);

- nh.param<std::string>("fcu_url", fcu_url, "serial:///dev/ttyACM0") 表示从参数服务器中读取名为 fcu_url 的参数值，如果不存在则使用默认值 "serial:///dev/ttyACM0"。读取到的参数值以 std::string ...

/home/echo/catkin_ws/src/laser_control/src/control.cpp:15:17: error: ‘struct mavros_msgs::CommandLong’ has no member named ‘command’ 15 | servo_command.command = 183; // MAV_CMD_DO_SET_SERVO 请问这个代码我需要怎么修改

这个错误可能是由于 mavros_msgs::CommandLong 结构体中没有名为 command 的成员变量导致的。你可以尝试修改 servo_command.command = 183; 这行代码，将 command 改为 broadcast，即 servo_command....

Could not calculate build plan: Plugin org.apache.maven.plugins:mav...iptor for org.apache.maven.plugins:maven-resources-plugin:jar:3.3.0

It seems that you encountered an error while trying to calculate the Maven build plan. The error message indicates that there is an issue with the Maven resources plugin. To troubleshoot this issue, ...

function [feature_vec] = gen_feature(emg_segment) n=length(emg_segment); % Compute IEMG Feature F_immg=sum(abs(emg_segment));%计算绝对值后求和 % Compute MAV Feature F_mean=sum(emg_segment)/n;%均值 F_MAV=abs(F_mean); % Compute Variance Feature x1 = bsxfun(@minus, emg_segment, F_mean); F_var = sum(abs(x1).^2) ./ (n-1);%方差 % Compute RMS Feature F_rms=sqrt(mean(emg_segment .* conj(emg_segment)));%均方根值 % Compute log RMS Feature F_logrms=log(F_rms); % Compute Kurtosis Feature x0 = emg_segment - repmat(nanmean(emg_segment), [n 1]); s2 = nanmean(x0.^2); m4 = nanmean(x0.^4); F_kurt = m4 ./ s2.^2;%峰度 % Compute Skewness Feature m3 = nanmean(x0.^3); F_skew = m3 ./ s2.^(1.5);%偏度 % Compute AR Feature %AR_coef = autoreg(emg_segment,ar_no,n); % Final Feature Vector % feature_vec = [F_immg F_logrms F_kurt F_skew F_rms F_var F_MAV]; end

double F_MAV; double F_var; double F_rms; double F_logrms; double x1[1024]; double x0[1024]; double s2; double m4; double m3; double F_kurt; double F_skew; /* Compute IEMG Feature */ n =...

解释这段代码if (Math.Abs(bearingDelta) < 85) { var insideAngle = Math.Abs(tangent90 - bearingDelta); var angleCenter = 180 - insideAngle * 2; // sine rule var sine1 = Math.Max(distToTarget, 40) / Math.Sin(angleCenter * MathHelper.deg2rad); var radius = sine1 * Math.Sin(insideAngle * MathHelper.deg2rad); // average calced + leader offset turnradius - acts as a FF radius = (Math.Abs(radius) + Math.Abs(mavturnradius)) / 2; var angleBank = ((mav.cs.groundspeed * mav.cs.groundspeed) / radius) / 9.8; angleBank *= MathHelper.rad2deg; if (bearingDelta > 0) newroll = Math.Abs(angleBank); else newroll = -Math.Abs(angleBank); }

这段代码是用来计算飞机偏航角的。首先，它检查了偏航角的变化量是否小于85度。如果是，它会继续执行下面的代码。首先，它计算了一个“insideAngle”变量，表示90度切线与偏航角之间的夹角。然后，它计算了一个...

if (is_blacklisted(pl_name, blacklist, whitelist)) { ROS_INFO_STREAM("Plugin " << pl_name << " blacklisted"); return; } try { auto plugin = plugin_loader.createInstance(pl_name); ROS_INFO_STREAM("Plugin " << pl_name << " loaded"); for (auto &info : plugin->get_subscriptions()) { auto msgid = std::get<0>(info); auto msgname = std::get<1>(info); auto type_hash_ = std::get<2>(info); std::string log_msgname; if (is_mavlink_message_t(type_hash_)) log_msgname = utils::format("MSG-ID (%u) <%zu>", msgid, type_hash_); else log_msgname = utils::format("%s (%u) <%zu>", msgname, msgid, type_hash_); ROS_DEBUG_STREAM("Route " << log_msgname << " to " << pl_name); auto it = plugin_subscriptions.find(msgid); if (it == plugin_subscriptions.end()) { // new entry ROS_DEBUG_STREAM(log_msgname << " - new element"); plugin_subscriptions[msgid] = PluginBase::Subscriptions{{info}}; } else { // existing: check handler message type bool append_allowed = is_mavlink_message_t(type_hash_); if (!append_allowed) { append_allowed = true; for (auto &e : it->second) { auto t2 = std::get<2>(e); if (!is_mavlink_message_t(t2) && t2 != type_hash_) { ROS_ERROR_STREAM(log_msgname << " routed to different message type (hash: " << t2 << ")"); append_allowed = false; } } } if (append_allowed) { ROS_DEBUG_STREAM(log_msgname << " - emplace"); it->second.emplace_back(info); } else ROS_ERROR_STREAM(log_msgname << " handler dropped because this ID are used for another message type"); } } plugin->initialize(mav_uas); loaded_plugins.push_back(plugin); ROS_INFO_STREAM("Plugin " << pl_name << " initialized"); } catch (pluginlib::PluginlibException &ex) { ROS_ERROR_STREAM("Plugin " << pl_name << " load exception: " << ex.what()); } }

这是一段C++代码，用于加载和初始化插件，并将其与消息路由器相关联。首先，它使用“is_blacklisted”函数检查插件是否在黑名单或白名单中。如果插件在黑名单中，则不会加载。然后，它使用“plugin_loader”对象创建...

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