Files
old-lab_ui/include/js/roslib.js
2015-05-29 16:21:09 -04:00

2303 lines
62 KiB
JavaScript

(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict';
function ToObject(val) {
if (val == null) {
throw new TypeError('Object.assign cannot be called with null or undefined');
}
return Object(val);
}
module.exports = Object.assign || function (target, source) {
var from;
var keys;
var to = ToObject(target);
for (var s = 1; s < arguments.length; s++) {
from = arguments[s];
keys = Object.keys(Object(from));
for (var i = 0; i < keys.length; i++) {
to[keys[i]] = from[keys[i]];
}
}
return to;
};
},{}],2:[function(require,module,exports){
exports.XMLSerializer = XMLSerializer;
exports.DOMParser = DOMParser;
exports.implementation = document.implementation;
},{}],3:[function(require,module,exports){
/**
* @author Russell Toris - rctoris@wpi.edu
*/
var ROSLIB = this.ROSLIB || {
REVISION : '0.15.0'
};
var assign = require('object-assign');
// Add core components
assign(ROSLIB, require('./core'));
assign(ROSLIB, require('./actionlib'));
assign(ROSLIB, require('./math'));
assign(ROSLIB, require('./tf'));
assign(ROSLIB, require('./urdf'));
module.exports = ROSLIB;
},{"./actionlib":8,"./core":17,"./math":22,"./tf":25,"./urdf":37,"object-assign":1}],4:[function(require,module,exports){
(function (global){
global.ROSLIB = require('./RosLib');
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./RosLib":3}],5:[function(require,module,exports){
/**
* @author Russell Toris - rctoris@wpi.edu
*/
var Topic = require('../core/Topic');
var Message = require('../core/Message');
var EventEmitter2 = require('./../util/shim/EventEmitter2.js').EventEmitter2;
/**
* An actionlib action client.
*
* Emits the following events:
* * 'timeout' - if a timeout occurred while sending a goal
* * 'status' - the status messages received from the action server
* * 'feedback' - the feedback messages received from the action server
* * 'result' - the result returned from the action server
*
* @constructor
* @param options - object with following keys:
* * ros - the ROSLIB.Ros connection handle
* * serverName - the action server name, like /fibonacci
* * actionName - the action message name, like 'actionlib_tutorials/FibonacciAction'
* * timeout - the timeout length when connecting to the action server
*/
function ActionClient(options) {
var that = this;
options = options || {};
this.ros = options.ros;
this.serverName = options.serverName;
this.actionName = options.actionName;
this.timeout = options.timeout;
this.goals = {};
// flag to check if a status has been received
var receivedStatus = false;
// create the topics associated with actionlib
var feedbackListener = new Topic({
ros : this.ros,
name : this.serverName + '/feedback',
messageType : this.actionName + 'Feedback'
});
var statusListener = new Topic({
ros : this.ros,
name : this.serverName + '/status',
messageType : 'actionlib_msgs/GoalStatusArray'
});
var resultListener = new Topic({
ros : this.ros,
name : this.serverName + '/result',
messageType : this.actionName + 'Result'
});
this.goalTopic = new Topic({
ros : this.ros,
name : this.serverName + '/goal',
messageType : this.actionName + 'Goal'
});
this.cancelTopic = new Topic({
ros : this.ros,
name : this.serverName + '/cancel',
messageType : 'actionlib_msgs/GoalID'
});
// advertise the goal and cancel topics
this.goalTopic.advertise();
this.cancelTopic.advertise();
// subscribe to the status topic
statusListener.subscribe(function(statusMessage) {
receivedStatus = true;
statusMessage.status_list.forEach(function(status) {
var goal = that.goals[status.goal_id.id];
if (goal) {
goal.emit('status', status);
}
});
});
// subscribe the the feedback topic
feedbackListener.subscribe(function(feedbackMessage) {
var goal = that.goals[feedbackMessage.status.goal_id.id];
if (goal) {
goal.emit('status', feedbackMessage.status);
goal.emit('feedback', feedbackMessage.feedback);
}
});
// subscribe to the result topic
resultListener.subscribe(function(resultMessage) {
var goal = that.goals[resultMessage.status.goal_id.id];
if (goal) {
goal.emit('status', resultMessage.status);
goal.emit('result', resultMessage.result);
}
});
// If timeout specified, emit a 'timeout' event if the action server does not respond
if (this.timeout) {
setTimeout(function() {
if (!receivedStatus) {
that.emit('timeout');
}
}, this.timeout);
}
}
ActionClient.prototype.__proto__ = EventEmitter2.prototype;
/**
* Cancel all goals associated with this ActionClient.
*/
ActionClient.prototype.cancel = function() {
var cancelMessage = new Message();
this.cancelTopic.publish(cancelMessage);
};
module.exports = ActionClient;
},{"../core/Message":9,"../core/Topic":16,"./../util/shim/EventEmitter2.js":38}],6:[function(require,module,exports){
/**
* @author Russell Toris - rctoris@wpi.edu
*/
var Message = require('../core/Message');
var EventEmitter2 = require('./../util/shim/EventEmitter2.js').EventEmitter2;
/**
* An actionlib goal goal is associated with an action server.
*
* Emits the following events:
* * 'timeout' - if a timeout occurred while sending a goal
*
* @constructor
* @param object with following keys:
* * actionClient - the ROSLIB.ActionClient to use with this goal
* * goalMessage - The JSON object containing the goal for the action server
*/
function Goal(options) {
var that = this;
this.actionClient = options.actionClient;
this.goalMessage = options.goalMessage;
this.isFinished = false;
// Used to create random IDs
var date = new Date();
// Create a random ID
this.goalID = 'goal_' + Math.random() + '_' + date.getTime();
// Fill in the goal message
this.goalMessage = new Message({
goal_id : {
stamp : {
secs : 0,
nsecs : 0
},
id : this.goalID
},
goal : this.goalMessage
});
this.on('status', function(status) {
that.status = status;
});
this.on('result', function(result) {
that.isFinished = true;
that.result = result;
});
this.on('feedback', function(feedback) {
that.feedback = feedback;
});
// Add the goal
this.actionClient.goals[this.goalID] = this;
}
Goal.prototype.__proto__ = EventEmitter2.prototype;
/**
* Send the goal to the action server.
*
* @param timeout (optional) - a timeout length for the goal's result
*/
Goal.prototype.send = function(timeout) {
var that = this;
that.actionClient.goalTopic.publish(that.goalMessage);
if (timeout) {
setTimeout(function() {
if (!that.isFinished) {
that.emit('timeout');
}
}, timeout);
}
};
/**
* Cancel the current goal.
*/
Goal.prototype.cancel = function() {
var cancelMessage = new Message({
id : this.goalID
});
this.actionClient.cancelTopic.publish(cancelMessage);
};
module.exports = Goal;
},{"../core/Message":9,"./../util/shim/EventEmitter2.js":38}],7:[function(require,module,exports){
/**
* @author Laura Lindzey - lindzey@gmail.com
*/
var Topic = require('../core/Topic');
var Message = require('../core/Message');
var EventEmitter2 = require('./../util/shim/EventEmitter2.js').EventEmitter2;
/**
* An actionlib action server client.
*
* Emits the following events:
* * 'goal' - goal sent by action client
* * 'cancel' - action client has canceled the request
*
* @constructor
* @param options - object with following keys:
* * ros - the ROSLIB.Ros connection handle
* * serverName - the action server name, like /fibonacci
* * actionName - the action message name, like 'actionlib_tutorials/FibonacciAction'
*/
function SimpleActionServer(options) {
var that = this;
options = options || {};
this.ros = options.ros;
this.serverName = options.serverName;
this.actionName = options.actionName;
// create and advertise publishers
this.feedbackPublisher = new Topic({
ros : this.ros,
name : this.serverName + '/feedback',
messageType : this.actionName + 'Feedback'
});
this.feedbackPublisher.advertise();
var statusPublisher = new Topic({
ros : this.ros,
name : this.serverName + '/status',
messageType : 'actionlib_msgs/GoalStatusArray'
});
statusPublisher.advertise();
this.resultPublisher = new Topic({
ros : this.ros,
name : this.serverName + '/result',
messageType : this.actionName + 'Result'
});
this.resultPublisher.advertise();
// create and subscribe to listeners
var goalListener = new Topic({
ros : this.ros,
name : this.serverName + '/goal',
messageType : this.actionName + 'Goal'
});
var cancelListener = new Topic({
ros : this.ros,
name : this.serverName + '/cancel',
messageType : 'actionlib_msgs/GoalID'
});
// Track the goals and their status in order to publish status...
this.statusMessage = new Message({
header : {
stamp : {secs : 0, nsecs : 100},
frame_id : ''
},
status_list : []
});
// needed for handling preemption prompted by a new goal being received
this.currentGoal = null; // currently tracked goal
this.nextGoal = null; // the one that'll be preempting
goalListener.subscribe(function(goalMessage) {
if(that.currentGoal) {
that.nextGoal = goalMessage;
// needs to happen AFTER rest is set up
that.emit('cancel');
} else {
that.statusMessage.status_list = [{goal_id : goalMessage.goal_id, status : 1}];
that.currentGoal = goalMessage;
that.emit('goal', goalMessage.goal);
}
});
// helper function for determing ordering of timestamps
// returns t1 < t2
var isEarlier = function(t1, t2) {
if(t1.secs > t2.secs) {
return false;
} else if(t1.secs < t2.secs) {
return true;
} else if(t1.nsecs < t2.nsecs) {
return true;
} else {
return false;
}
};
// TODO: this may be more complicated than necessary, since I'm
// not sure if the callbacks can ever wind up with a scenario
// where we've been preempted by a next goal, it hasn't finished
// processing, and then we get a cancel message
cancelListener.subscribe(function(cancelMessage) {
// cancel ALL goals if both empty
if(cancelMessage.stamp.secs === 0 && cancelMessage.stamp.secs === 0 && cancelMessage.id === '') {
that.nextGoal = null;
if(that.currentGoal) {
that.emit('cancel');
}
} else { // treat id and stamp independently
if(that.currentGoal && cancelMessage.id === that.currentGoal.goal_id.id) {
that.emit('cancel');
} else if(that.nextGoal && cancelMessage.id === that.nextGoal.goal_id.id) {
that.nextGoal = null;
}
if(that.nextGoal && isEarlier(that.nextGoal.goal_id.stamp,
cancelMessage.stamp)) {
that.nextGoal = null;
}
if(that.currentGoal && isEarlier(that.currentGoal.goal_id.stamp,
cancelMessage.stamp)) {
that.emit('cancel');
}
}
});
// publish status at pseudo-fixed rate; required for clients to know they've connected
var statusInterval = setInterval( function() {
var currentTime = new Date();
var secs = Math.floor(currentTime.getTime()/1000);
var nsecs = Math.round(1000000000*(currentTime.getTime()/1000-secs));
that.statusMessage.header.stamp.secs = secs;
that.statusMessage.header.stamp.nsecs = nsecs;
statusPublisher.publish(that.statusMessage);
}, 500); // publish every 500ms
}
SimpleActionServer.prototype.__proto__ = EventEmitter2.prototype;
/**
* Set action state to succeeded and return to client
*/
SimpleActionServer.prototype.setSucceeded = function(result2) {
var resultMessage = new Message({
status : {goal_id : this.currentGoal.goal_id, status : 3},
result : result2
});
this.resultPublisher.publish(resultMessage);
this.statusMessage.status_list = [];
if(this.nextGoal) {
this.currentGoal = this.nextGoal;
this.nextGoal = null;
this.emit('goal', this.currentGoal.goal);
} else {
this.currentGoal = null;
}
};
/**
* Function to send feedback
*/
SimpleActionServer.prototype.sendFeedback = function(feedback2) {
var feedbackMessage = new Message({
status : {goal_id : this.currentGoal.goal_id, status : 1},
feedback : feedback2
});
this.feedbackPublisher.publish(feedbackMessage);
};
/**
* Handle case where client requests preemption
*/
SimpleActionServer.prototype.setPreempted = function() {
this.statusMessage.status_list = [];
var resultMessage = new Message({
status : {goal_id : this.currentGoal.goal_id, status : 2},
});
this.resultPublisher.publish(resultMessage);
if(this.nextGoal) {
this.currentGoal = this.nextGoal;
this.nextGoal = null;
this.emit('goal', this.currentGoal.goal);
} else {
this.currentGoal = null;
}
};
module.exports = SimpleActionServer;
},{"../core/Message":9,"../core/Topic":16,"./../util/shim/EventEmitter2.js":38}],8:[function(require,module,exports){
var Ros = require('../core/Ros');
var mixin = require('../mixin');
var action = module.exports = {
ActionClient: require('./ActionClient'),
Goal: require('./Goal'),
SimpleActionServer: require('./SimpleActionServer')
};
mixin(Ros, ['ActionClient', 'SimpleActionServer'], action);
},{"../core/Ros":11,"../mixin":23,"./ActionClient":5,"./Goal":6,"./SimpleActionServer":7}],9:[function(require,module,exports){
/**
* @author Brandon Alexander - baalexander@gmail.com
*/
var assign = require('object-assign');
/**
* Message objects are used for publishing and subscribing to and from topics.
*
* @constructor
* @param values - object matching the fields defined in the .msg definition file
*/
function Message(values) {
assign(this, values);
}
module.exports = Message;
},{"object-assign":1}],10:[function(require,module,exports){
/**
* @author Brandon Alexander - baalexander@gmail.com
*/
var Service = require('./Service');
var ServiceRequest = require('./ServiceRequest');
/**
* A ROS parameter.
*
* @constructor
* @param options - possible keys include:
* * ros - the ROSLIB.Ros connection handle
* * name - the param name, like max_vel_x
*/
function Param(options) {
options = options || {};
this.ros = options.ros;
this.name = options.name;
}
/**
* Fetches the value of the param.
*
* @param callback - function with the following params:
* * value - the value of the param from ROS.
*/
Param.prototype.get = function(callback) {
var paramClient = new Service({
ros : this.ros,
name : '/rosapi/get_param',
serviceType : 'rosapi/GetParam'
});
var request = new ServiceRequest({
name : this.name
});
paramClient.callService(request, function(result) {
var value = JSON.parse(result.value);
callback(value);
});
};
/**
* Sets the value of the param in ROS.
*
* @param value - value to set param to.
*/
Param.prototype.set = function(value, callback) {
var paramClient = new Service({
ros : this.ros,
name : '/rosapi/set_param',
serviceType : 'rosapi/SetParam'
});
var request = new ServiceRequest({
name : this.name,
value : JSON.stringify(value)
});
paramClient.callService(request, callback);
};
/**
* Delete this parameter on the ROS server.
*/
Param.prototype.delete = function(callback) {
var paramClient = new Service({
ros : this.ros,
name : '/rosapi/delete_param',
serviceType : 'rosapi/DeleteParam'
});
var request = new ServiceRequest({
name : this.name
});
paramClient.callService(request, callback);
};
module.exports = Param;
},{"./Service":12,"./ServiceRequest":13}],11:[function(require,module,exports){
/**
* @author Brandon Alexander - baalexander@gmail.com
*/
var WebSocket = require('./../util/shim/WebSocket.js');
var socketAdapter = require('./SocketAdapter.js');
var Service = require('./Service');
var ServiceRequest = require('./ServiceRequest');
var assign = require('object-assign');
var EventEmitter2 = require('./../util/shim/EventEmitter2.js').EventEmitter2;
/**
* Manages connection to the server and all interactions with ROS.
*
* Emits the following events:
* * 'error' - there was an error with ROS
* * 'connection' - connected to the WebSocket server
* * 'close' - disconnected to the WebSocket server
* * <topicName> - a message came from rosbridge with the given topic name
* * <serviceID> - a service response came from rosbridge with the given ID
*
* @constructor
* @param options - possible keys include:
* * url (optional) - the WebSocket URL for rosbridge (can be specified later with `connect`)
*/
function Ros(options) {
options = options || {};
this.socket = null;
this.idCounter = 0;
this.isConnected = false;
if (typeof options.groovyCompatibility === 'undefined') {
this.groovyCompatibility = true;
}
else {
this.groovyCompatibility = options.groovyCompatibility;
}
// Sets unlimited event listeners.
this.setMaxListeners(0);
// begin by checking if a URL was given
if (options.url) {
this.connect(options.url);
}
}
Ros.prototype.__proto__ = EventEmitter2.prototype;
/**
* Connect to the specified WebSocket.
*
* @param url - WebSocket URL for Rosbridge
*/
Ros.prototype.connect = function(url) {
this.socket = assign(new WebSocket(url), socketAdapter(this));
};
/**
* Disconnect from the WebSocket server.
*/
Ros.prototype.close = function() {
if (this.socket) {
this.socket.close();
}
};
/**
* Sends an authorization request to the server.
*
* @param mac - MAC (hash) string given by the trusted source.
* @param client - IP of the client.
* @param dest - IP of the destination.
* @param rand - Random string given by the trusted source.
* @param t - Time of the authorization request.
* @param level - User level as a string given by the client.
* @param end - End time of the client's session.
*/
Ros.prototype.authenticate = function(mac, client, dest, rand, t, level, end) {
// create the request
var auth = {
op : 'auth',
mac : mac,
client : client,
dest : dest,
rand : rand,
t : t,
level : level,
end : end
};
// send the request
this.callOnConnection(auth);
};
/**
* Sends the message over the WebSocket, but queues the message up if not yet
* connected.
*/
Ros.prototype.callOnConnection = function(message) {
var that = this;
var messageJson = JSON.stringify(message);
if (!this.isConnected) {
that.once('connection', function() {
that.socket.send(messageJson);
});
} else {
that.socket.send(messageJson);
}
};
/**
* Retrieves list of topics in ROS as an array.
*
* @param callback function with params:
* * topics - Array of topic names
*/
Ros.prototype.getTopics = function(callback) {
var topicsClient = new Service({
ros : this,
name : '/rosapi/topics',
serviceType : 'rosapi/Topics'
});
var request = new ServiceRequest();
topicsClient.callService(request, function(result) {
callback(result.topics);
});
};
/**
* Retrieves Topics in ROS as an array as specific type
*
* @param topicType topic type to find:
* @param callback function with params:
* * topics - Array of topic names
*/
Ros.prototype.getTopicsForType = function(topicType, callback) {
var topicsForTypeClient = new Service({
ros : this,
name : '/rosapi/topics_for_type',
serviceType : 'rosapi/TopicsForType'
});
var request = new ServiceRequest({
type: topicType
});
topicsForTypeClient.callService(request, function(result) {
callback(result.topics);
});
};
/**
* Retrieves list of active service names in ROS.
*
* @param callback - function with the following params:
* * services - array of service names
*/
Ros.prototype.getServices = function(callback) {
var servicesClient = new Service({
ros : this,
name : '/rosapi/services',
serviceType : 'rosapi/Services'
});
var request = new ServiceRequest();
servicesClient.callService(request, function(result) {
callback(result.services);
});
};
/**
* Retrieves list of services in ROS as an array as specific type
*
* @param serviceType service type to find:
* @param callback function with params:
* * topics - Array of service names
*/
Ros.prototype.getServicesForType = function(serviceType, callback) {
var servicesForTypeClient = new Service({
ros : this,
name : '/rosapi/services_for_type',
serviceType : 'rosapi/ServicesForType'
});
var request = new ServiceRequest({
type: serviceType
});
servicesForTypeClient.callService(request, function(result) {
callback(result.services);
});
};
/**
* Retrieves list of active node names in ROS.
*
* @param callback - function with the following params:
* * nodes - array of node names
*/
Ros.prototype.getNodes = function(callback) {
var nodesClient = new Service({
ros : this,
name : '/rosapi/nodes',
serviceType : 'rosapi/Nodes'
});
var request = new ServiceRequest();
nodesClient.callService(request, function(result) {
callback(result.nodes);
});
};
/**
* Retrieves list of param names from the ROS Parameter Server.
*
* @param callback function with params:
* * params - array of param names.
*/
Ros.prototype.getParams = function(callback) {
var paramsClient = new Service({
ros : this,
name : '/rosapi/get_param_names',
serviceType : 'rosapi/GetParamNames'
});
var request = new ServiceRequest();
paramsClient.callService(request, function(result) {
callback(result.names);
});
};
/**
* Retrieves a type of ROS topic.
*
* @param callback - function with params:
* * type - String of the topic type
*/
Ros.prototype.getTopicType = function(topic, callback) {
var topicTypeClient = new Service({
ros : this,
name : '/rosapi/topic_type',
serviceType : 'rosapi/TopicType'
});
var request = new ServiceRequest({
topic: topic
});
topicTypeClient.callService(request, function(result) {
callback(result.type);
});
};
/**
* Retrieves a detail of ROS message.
*
* @param callback - function with params:
* * details - Array of the message detail
* @param message - String of a topic type
*/
Ros.prototype.getMessageDetails = function(message, callback) {
var messageDetailClient = new Service({
ros : this,
name : '/rosapi/message_details',
serviceType : 'rosapi/MessageDetails'
});
var request = new ServiceRequest({
type: message
});
messageDetailClient.callService(request, function(result) {
callback(result.typedefs);
});
};
/**
* Decode a typedefs into a dictionary like `rosmsg show foo/bar`
*
* @param defs - array of type_def dictionary
*/
Ros.prototype.decodeTypeDefs = function(defs) {
var that = this;
// calls itself recursively to resolve type definition using hints.
var decodeTypeDefsRec = function(theType, hints) {
var typeDefDict = {};
for (var i = 0; i < theType.fieldnames.length; i++) {
var arrayLen = theType.fieldarraylen[i];
var fieldName = theType.fieldnames[i];
var fieldType = theType.fieldtypes[i];
if (fieldType.indexOf('/') === -1) { // check the fieldType includes '/' or not
if (arrayLen === -1) {
typeDefDict[fieldName] = fieldType;
}
else {
typeDefDict[fieldName] = [fieldType];
}
}
else {
// lookup the name
var sub = false;
for (var j = 0; j < hints.length; j++) {
if (hints[j].type.toString() === fieldType.toString()) {
sub = hints[j];
break;
}
}
if (sub) {
var subResult = decodeTypeDefsRec(sub, hints);
if (arrayLen === -1) {
typeDefDict[fieldName] = subResult;
}
else {
typeDefDict[fieldName] = [subResult];
}
}
else {
that.emit('error', 'Cannot find ' + fieldType + ' in decodeTypeDefs');
}
}
}
return typeDefDict;
};
return decodeTypeDefsRec(defs[0], defs);
};
module.exports = Ros;
},{"./../util/shim/EventEmitter2.js":38,"./../util/shim/WebSocket.js":39,"./Service":12,"./ServiceRequest":13,"./SocketAdapter.js":15,"object-assign":1}],12:[function(require,module,exports){
/**
* @author Brandon Alexander - baalexander@gmail.com
*/
var ServiceResponse = require('./ServiceResponse');
/**
* A ROS service client.
*
* @constructor
* @params options - possible keys include:
* * ros - the ROSLIB.Ros connection handle
* * name - the service name, like /add_two_ints
* * serviceType - the service type, like 'rospy_tutorials/AddTwoInts'
*/
function Service(options) {
options = options || {};
this.ros = options.ros;
this.name = options.name;
this.serviceType = options.serviceType;
}
/**
* Calls the service. Returns the service response in the callback.
*
* @param request - the ROSLIB.ServiceRequest to send
* @param callback - function with params:
* * response - the response from the service request
* @param failedCallback - the callback function when the service call failed (optional). Params:
* * error - the error message reported by ROS
*/
Service.prototype.callService = function(request, callback, failedCallback) {
var serviceCallId = 'call_service:' + this.name + ':' + (++this.ros.idCounter);
if (callback || failedCallback) {
this.ros.once(serviceCallId, function(message) {
if (message.result !== undefined && message.result === false) {
if (typeof failedCallback === 'function') {
failedCallback(message.values);
}
} else if (typeof callback === 'function') {
callback(new ServiceResponse(message.values));
}
});
}
var call = {
op : 'call_service',
id : serviceCallId,
service : this.name,
args : request
};
this.ros.callOnConnection(call);
};
module.exports = Service;
},{"./ServiceResponse":14}],13:[function(require,module,exports){
/**
* @author Brandon Alexander - balexander@willowgarage.com
*/
var assign = require('object-assign');
/**
* A ServiceRequest is passed into the service call.
*
* @constructor
* @param values - object matching the fields defined in the .srv definition file
*/
function ServiceRequest(values) {
assign(this, values);
}
module.exports = ServiceRequest;
},{"object-assign":1}],14:[function(require,module,exports){
/**
* @author Brandon Alexander - balexander@willowgarage.com
*/
var assign = require('object-assign');
/**
* A ServiceResponse is returned from the service call.
*
* @constructor
* @param values - object matching the fields defined in the .srv definition file
*/
function ServiceResponse(values) {
assign(this, values);
}
module.exports = ServiceResponse;
},{"object-assign":1}],15:[function(require,module,exports){
(function (global){
/**
* Socket event handling utilities for handling events on either
* WebSocket and TCP sockets
*
* Note to anyone reviewing this code: these functions are called
* in the context of their parent object, unless bound
*/
'use strict';
var Canvas = require('./../util/shim/canvas.js');
var Image = Canvas.Image || global.Image;
var WebSocket = require('./../util/shim/WebSocket.js');
/**
* If a message was compressed as a PNG image (a compression hack since
* gzipping over WebSockets * is not supported yet), this function places the
* "image" in a canvas element then decodes the * "image" as a Base64 string.
*
* @param data - object containing the PNG data.
* @param callback - function with params:
* * data - the uncompressed data
*/
function decompressPng(data, callback) {
// Uncompresses the data before sending it through (use image/canvas to do so).
var image = new Image();
// When the image loads, extracts the raw data (JSON message).
image.onload = function() {
// Creates a local canvas to draw on.
var canvas = new Canvas();
var context = canvas.getContext('2d');
// Sets width and height.
canvas.width = image.width;
canvas.height = image.height;
// Prevents anti-aliasing and loosing data
context.imageSmoothingEnabled = false;
context.webkitImageSmoothingEnabled = false;
context.mozImageSmoothingEnabled = false;
// Puts the data into the image.
context.drawImage(image, 0, 0);
// Grabs the raw, uncompressed data.
var imageData = context.getImageData(0, 0, image.width, image.height).data;
// Constructs the JSON.
var jsonData = '';
for (var i = 0; i < imageData.length; i += 4) {
// RGB
jsonData += String.fromCharCode(imageData[i], imageData[i + 1], imageData[i + 2]);
}
callback(JSON.parse(jsonData));
};
// Sends the image data to load.
image.src = 'data:image/png;base64,' + data.data;
}
/**
* Events listeners for a WebSocket or TCP socket to a JavaScript
* ROS Client. Sets up Messages for a given topic to trigger an
* event on the ROS client.
*/
function SocketAdapter(client) {
function handleMessage(message) {
if (message.op === 'publish') {
client.emit(message.topic, message.msg);
} else if (message.op === 'service_response') {
client.emit(message.id, message);
}
}
return {
/**
* Emits a 'connection' event on WebSocket connection.
*
* @param event - the argument to emit with the event.
*/
onopen: function onOpen(event) {
client.isConnected = true;
client.emit('connection', event);
},
/**
* Emits a 'close' event on WebSocket disconnection.
*
* @param event - the argument to emit with the event.
*/
onclose: function onClose(event) {
client.isConnected = false;
client.emit('close', event);
},
/**
* Emits an 'error' event whenever there was an error.
*
* @param event - the argument to emit with the event.
*/
onerror: function onError(event) {
client.emit('error', event);
},
/**
* Parses message responses from rosbridge and sends to the appropriate
* topic, service, or param.
*
* @param message - the raw JSON message from rosbridge.
*/
onmessage: function onMessage(message) {
var data = JSON.parse(typeof message === 'string' ? message : message.data);
if (data.op === 'png') {
decompressPng(data, handleMessage);
} else {
handleMessage(data);
}
}
};
}
module.exports = SocketAdapter;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./../util/shim/WebSocket.js":39,"./../util/shim/canvas.js":40}],16:[function(require,module,exports){
/**
* @author Brandon Alexander - baalexander@gmail.com
*/
var EventEmitter2 = require('./../util/shim/EventEmitter2.js').EventEmitter2;
var Message = require('./Message');
/**
* Publish and/or subscribe to a topic in ROS.
*
* Emits the following events:
* * 'warning' - if there are any warning during the Topic creation
* * 'message' - the message data from rosbridge
*
* @constructor
* @param options - object with following keys:
* * ros - the ROSLIB.Ros connection handle
* * name - the topic name, like /cmd_vel
* * messageType - the message type, like 'std_msgs/String'
* * compression - the type of compression to use, like 'png'
* * throttle_rate - the rate (in ms in between messages) at which to throttle the topics
* * queue_size - the queue created at bridge side for re-publishing webtopics (defaults to 100)
* * latch - latch the topic when publishing
* * queue_length - the queue length at bridge side used when subscribing (defaults to 0, no queueing).
*/
function Topic(options) {
options = options || {};
this.ros = options.ros;
this.name = options.name;
this.messageType = options.messageType;
this.isAdvertised = false;
this.compression = options.compression || 'none';
this.throttle_rate = options.throttle_rate || 0;
this.latch = options.latch || false;
this.queue_size = options.queue_size || 100;
this.queue_length = options.queue_length || 0;
// Check for valid compression types
if (this.compression && this.compression !== 'png' &&
this.compression !== 'none') {
this.emit('warning', this.compression +
' compression is not supported. No compression will be used.');
}
// Check if throttle rate is negative
if (this.throttle_rate < 0) {
this.emit('warning', this.throttle_rate + ' is not allowed. Set to 0');
this.throttle_rate = 0;
}
var that = this;
this._messageCallback = function(data) {
that.emit('message', new Message(data));
};
}
Topic.prototype.__proto__ = EventEmitter2.prototype;
/**
* Every time a message is published for the given topic, the callback
* will be called with the message object.
*
* @param callback - function with the following params:
* * message - the published message
*/
Topic.prototype.subscribe = function(callback) {
if (typeof callback === 'function') {
this.on('message', callback);
}
if (this.subscribeId) { return; }
this.ros.on(this.name, this._messageCallback);
this.subscribeId = 'subscribe:' + this.name + ':' + (++this.ros.idCounter);
this.ros.callOnConnection({
op: 'subscribe',
id: this.subscribeId,
type: this.messageType,
topic: this.name,
compression: this.compression,
throttle_rate: this.throttle_rate,
queue_length: this.queue_length
});
};
/**
* Unregisters as a subscriber for the topic. Unsubscribing stop remove
* all subscribe callbacks. To remove a call back, you must explicitly
* pass the callback function in.
*
* @param callback - the optional callback to unregister, if
* * provided and other listeners are registered the topic won't
* * unsubscribe, just stop emitting to the passed listener
*/
Topic.prototype.unsubscribe = function(callback) {
if (callback) {
this.off('message', callback);
// If there is any other callbacks still subscribed don't unsubscribe
if (this.listeners('message').length) { return; }
}
if (!this.subscribeId) { return; }
// Note: Don't call this.removeAllListeners, allow client to handle that themselves
this.ros.off(this.name, this._messageCallback);
this.emit('unsubscribe');
this.ros.callOnConnection({
op: 'unsubscribe',
id: this.subscribeId,
topic: this.name
});
this.subscribeId = null;
};
/**
* Registers as a publisher for the topic.
*/
Topic.prototype.advertise = function() {
if (this.isAdvertised) {
return;
}
this.advertiseId = 'advertise:' + this.name + ':' + (++this.ros.idCounter);
this.ros.callOnConnection({
op: 'advertise',
id: this.advertiseId,
type: this.messageType,
topic: this.name,
latch: this.latch,
queue_size: this.queue_size
});
this.isAdvertised = true;
};
/**
* Unregisters as a publisher for the topic.
*/
Topic.prototype.unadvertise = function() {
if (!this.isAdvertised) {
return;
}
this.emit('unadvertise');
this.ros.callOnConnection({
op: 'unadvertise',
id: this.advertiseId,
topic: this.name
});
this.isAdvertised = false;
};
/**
* Publish the message.
*
* @param message - A ROSLIB.Message object.
*/
Topic.prototype.publish = function(message) {
if (!this.isAdvertised) {
this.advertise();
}
this.ros.idCounter++;
var call = {
op: 'publish',
id: 'publish:' + this.name + ':' + this.ros.idCounter,
topic: this.name,
msg: message,
latch: this.latch
};
this.ros.callOnConnection(call);
};
module.exports = Topic;
},{"./../util/shim/EventEmitter2.js":38,"./Message":9}],17:[function(require,module,exports){
var mixin = require('../mixin');
var core = module.exports = {
Ros: require('./Ros'),
Topic: require('./Topic'),
Message: require('./Message'),
Param: require('./Param'),
Service: require('./Service'),
ServiceRequest: require('./ServiceRequest'),
ServiceResponse: require('./ServiceResponse')
};
mixin(core.Ros, ['Param', 'Service', 'Topic'], core);
},{"../mixin":23,"./Message":9,"./Param":10,"./Ros":11,"./Service":12,"./ServiceRequest":13,"./ServiceResponse":14,"./Topic":16}],18:[function(require,module,exports){
/**
* @author David Gossow - dgossow@willowgarage.com
*/
var Vector3 = require('./Vector3');
var Quaternion = require('./Quaternion');
/**
* A Pose in 3D space. Values are copied into this object.
*
* @constructor
* @param options - object with following keys:
* * position - the Vector3 describing the position
* * orientation - the ROSLIB.Quaternion describing the orientation
*/
function Pose(options) {
options = options || {};
// copy the values into this object if they exist
this.position = new Vector3(options.position);
this.orientation = new Quaternion(options.orientation);
}
/**
* Apply a transform against this pose.
*
* @param tf the transform
*/
Pose.prototype.applyTransform = function(tf) {
this.position.multiplyQuaternion(tf.rotation);
this.position.add(tf.translation);
var tmp = tf.rotation.clone();
tmp.multiply(this.orientation);
this.orientation = tmp;
};
/**
* Clone a copy of this pose.
*
* @returns the cloned pose
*/
Pose.prototype.clone = function() {
return new Pose(this);
};
module.exports = Pose;
},{"./Quaternion":19,"./Vector3":21}],19:[function(require,module,exports){
/**
* @author David Gossow - dgossow@willowgarage.com
*/
/**
* A Quaternion.
*
* @constructor
* @param options - object with following keys:
* * x - the x value
* * y - the y value
* * z - the z value
* * w - the w value
*/
function Quaternion(options) {
options = options || {};
this.x = options.x || 0;
this.y = options.y || 0;
this.z = options.z || 0;
this.w = (typeof options.w === 'number') ? options.w : 1;
}
/**
* Perform a conjugation on this quaternion.
*/
Quaternion.prototype.conjugate = function() {
this.x *= -1;
this.y *= -1;
this.z *= -1;
};
/**
* Return the norm of this quaternion.
*/
Quaternion.prototype.norm = function() {
return Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
};
/**
* Perform a normalization on this quaternion.
*/
Quaternion.prototype.normalize = function() {
var l = Math.sqrt(this.x * this.x + this.y * this.y + this.z * this.z + this.w * this.w);
if (l === 0) {
this.x = 0;
this.y = 0;
this.z = 0;
this.w = 1;
} else {
l = 1 / l;
this.x = this.x * l;
this.y = this.y * l;
this.z = this.z * l;
this.w = this.w * l;
}
};
/**
* Convert this quaternion into its inverse.
*/
Quaternion.prototype.invert = function() {
this.conjugate();
this.normalize();
};
/**
* Set the values of this quaternion to the product of itself and the given quaternion.
*
* @param q the quaternion to multiply with
*/
Quaternion.prototype.multiply = function(q) {
var newX = this.x * q.w + this.y * q.z - this.z * q.y + this.w * q.x;
var newY = -this.x * q.z + this.y * q.w + this.z * q.x + this.w * q.y;
var newZ = this.x * q.y - this.y * q.x + this.z * q.w + this.w * q.z;
var newW = -this.x * q.x - this.y * q.y - this.z * q.z + this.w * q.w;
this.x = newX;
this.y = newY;
this.z = newZ;
this.w = newW;
};
/**
* Clone a copy of this quaternion.
*
* @returns the cloned quaternion
*/
Quaternion.prototype.clone = function() {
return new Quaternion(this);
};
module.exports = Quaternion;
},{}],20:[function(require,module,exports){
/**
* @author David Gossow - dgossow@willowgarage.com
*/
var Vector3 = require('./Vector3');
var Quaternion = require('./Quaternion');
/**
* A Transform in 3-space. Values are copied into this object.
*
* @constructor
* @param options - object with following keys:
* * translation - the Vector3 describing the translation
* * rotation - the ROSLIB.Quaternion describing the rotation
*/
function Transform(options) {
options = options || {};
// Copy the values into this object if they exist
this.translation = new Vector3(options.translation);
this.rotation = new Quaternion(options.rotation);
}
/**
* Clone a copy of this transform.
*
* @returns the cloned transform
*/
Transform.prototype.clone = function() {
return new Transform(this);
};
module.exports = Transform;
},{"./Quaternion":19,"./Vector3":21}],21:[function(require,module,exports){
/**
* @author David Gossow - dgossow@willowgarage.com
*/
/**
* A 3D vector.
*
* @constructor
* @param options - object with following keys:
* * x - the x value
* * y - the y value
* * z - the z value
*/
function Vector3(options) {
options = options || {};
this.x = options.x || 0;
this.y = options.y || 0;
this.z = options.z || 0;
}
/**
* Set the values of this vector to the sum of itself and the given vector.
*
* @param v the vector to add with
*/
Vector3.prototype.add = function(v) {
this.x += v.x;
this.y += v.y;
this.z += v.z;
};
/**
* Set the values of this vector to the difference of itself and the given vector.
*
* @param v the vector to subtract with
*/
Vector3.prototype.subtract = function(v) {
this.x -= v.x;
this.y -= v.y;
this.z -= v.z;
};
/**
* Multiply the given Quaternion with this vector.
*
* @param q - the quaternion to multiply with
*/
Vector3.prototype.multiplyQuaternion = function(q) {
var ix = q.w * this.x + q.y * this.z - q.z * this.y;
var iy = q.w * this.y + q.z * this.x - q.x * this.z;
var iz = q.w * this.z + q.x * this.y - q.y * this.x;
var iw = -q.x * this.x - q.y * this.y - q.z * this.z;
this.x = ix * q.w + iw * -q.x + iy * -q.z - iz * -q.y;
this.y = iy * q.w + iw * -q.y + iz * -q.x - ix * -q.z;
this.z = iz * q.w + iw * -q.z + ix * -q.y - iy * -q.x;
};
/**
* Clone a copy of this vector.
*
* @returns the cloned vector
*/
Vector3.prototype.clone = function() {
return new Vector3(this);
};
module.exports = Vector3;
},{}],22:[function(require,module,exports){
module.exports = {
Pose: require('./Pose'),
Quaternion: require('./Quaternion'),
Transform: require('./Transform'),
Vector3: require('./Vector3')
};
},{"./Pose":18,"./Quaternion":19,"./Transform":20,"./Vector3":21}],23:[function(require,module,exports){
/**
* Mixin a feature to the core/Ros prototype.
* For example, mixin(Ros, ['Topic'], {Topic: <Topic>})
* will add a topic bound to any Ros instances so a user
* can call `var topic = ros.Topic({name: '/foo'});`
*
* @author Graeme Yeates - github.com/megawac
*/
module.exports = function(Ros, classes, features) {
classes.forEach(function(className) {
var Class = features[className];
Ros.prototype[className] = function(options) {
options.ros = this;
return new Class(options);
};
});
};
},{}],24:[function(require,module,exports){
/**
* @author David Gossow - dgossow@willowgarage.com
*/
var ActionClient = require('../actionlib/ActionClient');
var Goal = require('../actionlib/Goal');
var Service = require('../core/Service.js');
var ServiceRequest = require('../core/ServiceRequest.js');
var Transform = require('../math/Transform');
/**
* A TF Client that listens to TFs from tf2_web_republisher.
*
* @constructor
* @param options - object with following keys:
* * ros - the ROSLIB.Ros connection handle
* * fixedFrame - the fixed frame, like /base_link
* * angularThres - the angular threshold for the TF republisher
* * transThres - the translation threshold for the TF republisher
* * rate - the rate for the TF republisher
* * updateDelay - the time (in ms) to wait after a new subscription
* to update the TF republisher's list of TFs
* * topicTimeout - the timeout parameter for the TF republisher
*/
function TFClient(options) {
options = options || {};
this.ros = options.ros;
this.fixedFrame = options.fixedFrame || '/base_link';
this.angularThres = options.angularThres || 2.0;
this.transThres = options.transThres || 0.01;
this.rate = options.rate || 10.0;
this.updateDelay = options.updateDelay || 50;
var seconds = options.topicTimeout || 2.0;
var secs = Math.floor(seconds);
var nsecs = Math.floor((seconds - secs) * 1000000000);
this.topicTimeout = {
secs: secs,
nsecs: nsecs
};
this.currentGoal = false;
this.currentTopic = false;
this.frameInfos = {};
this.republisherUpdateRequested = false;
// Create an Action client
this.actionClient = this.ros.ActionClient({
serverName : '/tf2_web_republisher',
actionName : 'tf2_web_republisher/TFSubscriptionAction'
});
// Create a Service client
this.serviceClient = this.ros.Service({
name: '/republish_tfs',
serviceType: 'tf2_web_republisher/RepublishTFs'
});
}
/**
* Process the incoming TF message and send them out using the callback
* functions.
*
* @param tf - the TF message from the server
*/
TFClient.prototype.processTFArray = function(tf) {
var that = this;
tf.transforms.forEach(function(transform) {
var frameID = transform.child_frame_id;
if (frameID[0] === '/')
{
frameID = frameID.substring(1);
}
var info = this.frameInfos[frameID];
if (info) {
info.transform = new Transform({
translation : transform.transform.translation,
rotation : transform.transform.rotation
});
info.cbs.forEach(function(cb) {
cb(info.transform);
});
}
}, this);
};
/**
* Create and send a new goal (or service request) to the tf2_web_republisher
* based on the current list of TFs.
*/
TFClient.prototype.updateGoal = function() {
var goalMessage = {
source_frames : Object.keys(this.frameInfos),
target_frame : this.fixedFrame,
angular_thres : this.angularThres,
trans_thres : this.transThres,
rate : this.rate
};
// if we're running in groovy compatibility mode (the default)
// then use the action interface to tf2_web_republisher
if(this.ros.groovyCompatibility) {
if (this.currentGoal) {
this.currentGoal.cancel();
}
this.currentGoal = new Goal({
actionClient : this.actionClient,
goalMessage : goalMessage
});
this.currentGoal.on('feedback', this.processTFArray.bind(this));
this.currentGoal.send();
}
else {
// otherwise, use the service interface
// The service interface has the same parameters as the action,
// plus the timeout
goalMessage.timeout = this.topicTimeout;
var request = new ServiceRequest(goalMessage);
this.serviceClient.callService(request, this.processResponse.bind(this));
}
this.republisherUpdateRequested = false;
};
/**
* Process the service response and subscribe to the tf republisher
* topic
*
* @param response the service response containing the topic name
*/
TFClient.prototype.processResponse = function(response) {
// if we subscribed to a topic before, unsubscribe so
// the republisher stops publishing it
if (this.currentTopic) {
this.currentTopic.unsubscribe();
}
this.currentTopic = this.ros.Topic({
name: response.topic_name,
messageType: 'tf2_web_republisher/TFArray'
});
this.currentTopic.subscribe(this.processTFArray.bind(this));
};
/**
* Subscribe to the given TF frame.
*
* @param frameID - the TF frame to subscribe to
* @param callback - function with params:
* * transform - the transform data
*/
TFClient.prototype.subscribe = function(frameID, callback) {
// remove leading slash, if it's there
if (frameID[0] === '/')
{
frameID = frameID.substring(1);
}
// if there is no callback registered for the given frame, create emtpy callback list
if (!this.frameInfos[frameID]) {
this.frameInfos[frameID] = {
cbs: []
};
if (!this.republisherUpdateRequested) {
setTimeout(this.updateGoal.bind(this), this.updateDelay);
this.republisherUpdateRequested = true;
}
}
// if we already have a transform, call back immediately
else if (this.frameInfos[frameID].transform) {
callback(this.frameInfos[frameID].transform);
}
this.frameInfos[frameID].cbs.push(callback);
};
/**
* Unsubscribe from the given TF frame.
*
* @param frameID - the TF frame to unsubscribe from
* @param callback - the callback function to remove
*/
TFClient.prototype.unsubscribe = function(frameID, callback) {
// remove leading slash, if it's there
if (frameID[0] === '/')
{
frameID = frameID.substring(1);
}
var info = this.frameInfos[frameID];
for (var cbs = info && info.cbs || [], idx = cbs.length; idx--;) {
if (cbs[idx] === callback) {
cbs.splice(idx, 1);
}
}
if (!callback || cbs.length === 0) {
delete this.frameInfos[frameID];
}
};
module.exports = TFClient;
},{"../actionlib/ActionClient":5,"../actionlib/Goal":6,"../core/Service.js":12,"../core/ServiceRequest.js":13,"../math/Transform":20}],25:[function(require,module,exports){
var Ros = require('../core/Ros');
var mixin = require('../mixin');
var tf = module.exports = {
TFClient: require('./TFClient')
};
mixin(Ros, ['TFClient'], tf);
},{"../core/Ros":11,"../mixin":23,"./TFClient":24}],26:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var Vector3 = require('../math/Vector3');
var UrdfTypes = require('./UrdfTypes');
/**
* A Box element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfBox(options) {
this.dimension = null;
this.type = UrdfTypes.URDF_BOX;
// Parse the xml string
var xyz = options.xml.getAttribute('size').split(' ');
this.dimension = new Vector3({
x : parseFloat(xyz[0]),
y : parseFloat(xyz[1]),
z : parseFloat(xyz[2])
});
}
module.exports = UrdfBox;
},{"../math/Vector3":21,"./UrdfTypes":35}],27:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
/**
* A Color element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfColor(options) {
// Parse the xml string
var rgba = options.xml.getAttribute('rgba').split(' ');
this.r = parseFloat(rgba[0]);
this.g = parseFloat(rgba[1]);
this.b = parseFloat(rgba[2]);
this.a = parseFloat(rgba[3]);
}
module.exports = UrdfColor;
},{}],28:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var UrdfTypes = require('./UrdfTypes');
/**
* A Cylinder element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfCylinder(options) {
this.type = UrdfTypes.URDF_CYLINDER;
this.length = parseFloat(options.xml.getAttribute('length'));
this.radius = parseFloat(options.xml.getAttribute('radius'));
}
module.exports = UrdfCylinder;
},{"./UrdfTypes":35}],29:[function(require,module,exports){
/**
* @author David V. Lu!! davidvlu@gmail.com
*/
/**
* A Joint element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfJoint(options) {
this.name = options.xml.getAttribute('name');
this.type = options.xml.getAttribute('type');
var limits = options.xml.getElementsByTagName('limit');
if (limits.length > 0) {
this.minval = parseFloat( limits[0].getAttribute('lower') );
this.maxval = parseFloat( limits[0].getAttribute('upper') );
}
}
module.exports = UrdfJoint;
},{}],30:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var UrdfVisual = require('./UrdfVisual');
/**
* A Link element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfLink(options) {
this.name = options.xml.getAttribute('name');
this.visuals = [];
var visuals = options.xml.getElementsByTagName('visual');
for( var i=0; i<visuals.length; i++ ) {
this.visuals.push( new UrdfVisual({
xml : visuals[i]
}) );
}
}
module.exports = UrdfLink;
},{"./UrdfVisual":36}],31:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var UrdfColor = require('./UrdfColor');
/**
* A Material element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfMaterial(options) {
this.textureFilename = null;
this.color = null;
this.name = options.xml.getAttribute('name');
// Texture
var textures = options.xml.getElementsByTagName('texture');
if (textures.length > 0) {
this.textureFilename = textures[0].getAttribute('filename');
}
// Color
var colors = options.xml.getElementsByTagName('color');
if (colors.length > 0) {
// Parse the RBGA string
this.color = new UrdfColor({
xml : colors[0]
});
}
}
UrdfMaterial.prototype.isLink = function() {
return this.color === null && this.textureFilename === null;
};
var assign = require('object-assign');
UrdfMaterial.prototype.assign = function(obj) {
return assign(this, obj);
};
module.exports = UrdfMaterial;
},{"./UrdfColor":27,"object-assign":1}],32:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var Vector3 = require('../math/Vector3');
var UrdfTypes = require('./UrdfTypes');
/**
* A Mesh element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfMesh(options) {
this.scale = null;
this.type = UrdfTypes.URDF_MESH;
this.filename = options.xml.getAttribute('filename');
// Check for a scale
var scale = options.xml.getAttribute('scale');
if (scale) {
// Get the XYZ
var xyz = scale.split(' ');
this.scale = new Vector3({
x : parseFloat(xyz[0]),
y : parseFloat(xyz[1]),
z : parseFloat(xyz[2])
});
}
}
module.exports = UrdfMesh;
},{"../math/Vector3":21,"./UrdfTypes":35}],33:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var UrdfMaterial = require('./UrdfMaterial');
var UrdfLink = require('./UrdfLink');
var UrdfJoint = require('./UrdfJoint');
var DOMParser = require('xmlshim').DOMParser;
// See https://developer.mozilla.org/docs/XPathResult#Constants
var XPATH_FIRST_ORDERED_NODE_TYPE = 9;
/**
* A URDF Model can be used to parse a given URDF into the appropriate elements.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
* * string - the XML element to parse as a string
*/
function UrdfModel(options) {
options = options || {};
var xmlDoc = options.xml;
var string = options.string;
this.materials = {};
this.links = {};
this.joints = {};
// Check if we are using a string or an XML element
if (string) {
// Parse the string
var parser = new DOMParser();
xmlDoc = parser.parseFromString(string, 'text/xml');
}
// Initialize the model with the given XML node.
// Get the robot tag
var robotXml = xmlDoc.evaluate('//robot', xmlDoc, null, XPATH_FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
// Get the robot name
this.name = robotXml.getAttribute('name');
// Parse all the visual elements we need
for (var nodes = robotXml.childNodes, i = 0; i < nodes.length; i++) {
var node = nodes[i];
if (node.tagName === 'material') {
var material = new UrdfMaterial({
xml : node
});
// Make sure this is unique
if (this.materials[material.name] !== void 0) {
if( this.materials[material.name].isLink() ) {
this.materials[material.name].assign( material );
} else {
console.warn('Material ' + material.name + 'is not unique.');
}
} else {
this.materials[material.name] = material;
}
} else if (node.tagName === 'link') {
var link = new UrdfLink({
xml : node
});
// Make sure this is unique
if (this.links[link.name] !== void 0) {
console.warn('Link ' + link.name + ' is not unique.');
} else {
// Check for a material
for( var j=0; j<link.visuals.length; j++ )
{
var mat = link.visuals[j].material;
if ( mat !== null ) {
if (this.materials[mat.name] !== void 0) {
link.visuals[j].material = this.materials[mat.name];
} else {
this.materials[mat.name] = mat;
}
}
}
// Add the link
this.links[link.name] = link;
}
} else if (node.tagName === 'joint') {
var joint = new UrdfJoint({
xml : node
});
this.joints[joint.name] = joint;
}
}
}
module.exports = UrdfModel;
},{"./UrdfJoint":29,"./UrdfLink":30,"./UrdfMaterial":31,"xmlshim":2}],34:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var UrdfTypes = require('./UrdfTypes');
/**
* A Sphere element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfSphere(options) {
this.type = UrdfTypes.URDF_SPHERE;
this.radius = parseFloat(options.xml.getAttribute('radius'));
}
module.exports = UrdfSphere;
},{"./UrdfTypes":35}],35:[function(require,module,exports){
module.exports = {
URDF_SPHERE : 0,
URDF_BOX : 1,
URDF_CYLINDER : 2,
URDF_MESH : 3
};
},{}],36:[function(require,module,exports){
/**
* @author Benjamin Pitzer - ben.pitzer@gmail.com
* @author Russell Toris - rctoris@wpi.edu
*/
var Pose = require('../math/Pose');
var Vector3 = require('../math/Vector3');
var Quaternion = require('../math/Quaternion');
var UrdfCylinder = require('./UrdfCylinder');
var UrdfBox = require('./UrdfBox');
var UrdfMaterial = require('./UrdfMaterial');
var UrdfMesh = require('./UrdfMesh');
var UrdfSphere = require('./UrdfSphere');
/**
* A Visual element in a URDF.
*
* @constructor
* @param options - object with following keys:
* * xml - the XML element to parse
*/
function UrdfVisual(options) {
var xml = options.xml;
this.origin = null;
this.geometry = null;
this.material = null;
// Origin
var origins = xml.getElementsByTagName('origin');
if (origins.length === 0) {
// use the identity as the default
this.origin = new Pose();
} else {
// Check the XYZ
var xyz = origins[0].getAttribute('xyz');
var position = new Vector3();
if (xyz) {
xyz = xyz.split(' ');
position = new Vector3({
x : parseFloat(xyz[0]),
y : parseFloat(xyz[1]),
z : parseFloat(xyz[2])
});
}
// Check the RPY
var rpy = origins[0].getAttribute('rpy');
var orientation = new Quaternion();
if (rpy) {
rpy = rpy.split(' ');
// Convert from RPY
var roll = parseFloat(rpy[0]);
var pitch = parseFloat(rpy[1]);
var yaw = parseFloat(rpy[2]);
var phi = roll / 2.0;
var the = pitch / 2.0;
var psi = yaw / 2.0;
var x = Math.sin(phi) * Math.cos(the) * Math.cos(psi) - Math.cos(phi) * Math.sin(the)
* Math.sin(psi);
var y = Math.cos(phi) * Math.sin(the) * Math.cos(psi) + Math.sin(phi) * Math.cos(the)
* Math.sin(psi);
var z = Math.cos(phi) * Math.cos(the) * Math.sin(psi) - Math.sin(phi) * Math.sin(the)
* Math.cos(psi);
var w = Math.cos(phi) * Math.cos(the) * Math.cos(psi) + Math.sin(phi) * Math.sin(the)
* Math.sin(psi);
orientation = new Quaternion({
x : x,
y : y,
z : z,
w : w
});
orientation.normalize();
}
this.origin = new Pose({
position : position,
orientation : orientation
});
}
// Geometry
var geoms = xml.getElementsByTagName('geometry');
if (geoms.length > 0) {
var geom = geoms[0];
var shape = null;
// Check for the shape
for (var i = 0; i < geom.childNodes.length; i++) {
var node = geom.childNodes[i];
if (node.nodeType === 1) {
shape = node;
break;
}
}
// Check the type
var type = shape.nodeName;
if (type === 'sphere') {
this.geometry = new UrdfSphere({
xml : shape
});
} else if (type === 'box') {
this.geometry = new UrdfBox({
xml : shape
});
} else if (type === 'cylinder') {
this.geometry = new UrdfCylinder({
xml : shape
});
} else if (type === 'mesh') {
this.geometry = new UrdfMesh({
xml : shape
});
} else {
console.warn('Unknown geometry type ' + type);
}
}
// Material
var materials = xml.getElementsByTagName('material');
if (materials.length > 0) {
this.material = new UrdfMaterial({
xml : materials[0]
});
}
}
module.exports = UrdfVisual;
},{"../math/Pose":18,"../math/Quaternion":19,"../math/Vector3":21,"./UrdfBox":26,"./UrdfCylinder":28,"./UrdfMaterial":31,"./UrdfMesh":32,"./UrdfSphere":34}],37:[function(require,module,exports){
module.exports = require('object-assign')({
UrdfBox: require('./UrdfBox'),
UrdfColor: require('./UrdfColor'),
UrdfCylinder: require('./UrdfCylinder'),
UrdfLink: require('./UrdfLink'),
UrdfMaterial: require('./UrdfMaterial'),
UrdfMesh: require('./UrdfMesh'),
UrdfModel: require('./UrdfModel'),
UrdfSphere: require('./UrdfSphere'),
UrdfVisual: require('./UrdfVisual')
}, require('./UrdfTypes'));
},{"./UrdfBox":26,"./UrdfColor":27,"./UrdfCylinder":28,"./UrdfLink":30,"./UrdfMaterial":31,"./UrdfMesh":32,"./UrdfModel":33,"./UrdfSphere":34,"./UrdfTypes":35,"./UrdfVisual":36,"object-assign":1}],38:[function(require,module,exports){
(function (global){
module.exports = {
EventEmitter2: global.EventEmitter2
};
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],39:[function(require,module,exports){
(function (global){
module.exports = global.WebSocket;
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{}],40:[function(require,module,exports){
/* global document */
module.exports = function Canvas() {
return document.createElement('canvas');
};
},{}]},{},[4]);