Revision 7b94db2c scout/scoutsim/src/sim_frame.cpp
scout/scoutsim/src/sim_frame.cpp  

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void SimFrame::checkBOM(geometry_msgs::Pose2D scout_pos, 
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M_Scout::iterator it) 
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{


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{ 

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M_Emitter::iterator m_it = emitters.begin(); 

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M_Emitter::iterator m_end = emitters.end(); 

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geometry_msgs::Pose2D bom_pos; 

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double x_offset; 

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double y_offset; 

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double offset_angle; 

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double diag_dis = pow((pow((SCOUT_W/2.0),2) + 

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pow((SCOUT_H/2.0),2)),(0.5)); 

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int emitter_id; 

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//iterate over Emitters: 

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for (; m_it != m_end; ++m_it) 

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{ 

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geometry_msgs::Pose2D emitter_pos; 

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emitter_pos = m_it>second>get_pos(); 

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if (is_inrange(scout_pos, emitter_pos, em_aperture, em_distance)) { 

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//if scout is within emitter range 

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//check if emitter is within each BOM range 

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double x_offset; 

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double y_offset; 

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double offset_angle; 

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double diag_dis = pow((pow((SCOUT_W/2.0),2) + 

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for (int i = 0; i < 10; i++) { 

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emitter_id = 1; 

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diag_dis = pow((pow((SCOUT_W/2.0),2) + 

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pow((SCOUT_H/2.0),2)),(0.5)); 
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for (int i = 0; i<10; i++) { 

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geometry_msgs::Pose2D bom_pos; 

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if (i == 2) { //middle left 

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offset_angle = PI/2.0; 

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bom_pos.theta = scout_pos.theta + PI/2.0; 

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} 

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else if (i == 7) { //middle right 

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offset_angle = 3*PI/2.0; 

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bom_pos.theta = scout_pos.theta + 3.0*PI/2.0; 

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} 

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else if (i < 2) { //top left 

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offset_angle = atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + PI/2.0 * i; 

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} 

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else if (i >= 2 && i <5) { //bottom left 

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offset_angle = PI  atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + PI/2.0 + PI/2.0 * (i/4); 

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} 

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else if (i >= 5 && i < 8) { //bottom right 

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offset_angle = PI + atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + PI + PI/2.0 * (i/6); 

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} 

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else { //top right 

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offset_angle = 2*PI  atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + 3*PI/2.0 + PI/2.0 * (i/9); 

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} 

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offset_angle += scout_pos.theta; 

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if (i == 2  i == 7) { 

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x_offset = (SCOUT_W/2.0)*cos(offset_angle); 

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y_offset = (SCOUT_W/2.0)*sin(offset_angle); 

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} 

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else { 

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x_offset = diag_dis*cos(offset_angle); 

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y_offset = diag_dis*sin(offset_angle); 

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} 

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if (i == 2) { //middle left 

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offset_angle = PI/2.0; 

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bom_pos.theta = scout_pos.theta + PI/2.0; 

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} 

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else if (i == 7) { //middle right 

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offset_angle = 3*PI/2.0; 

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bom_pos.theta = scout_pos.theta + 3.0*PI/2.0; 

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} 

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else if (i < 2) { //top left 

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offset_angle = atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + PI/2.0 * i; 

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} 

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else if (i >= 2 && i <5) { //bottom left 

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offset_angle = PI  atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + PI/2.0 + PI/2.0 * (i/4); 

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} 

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else if (i >= 5 && i < 8) { //bottom right 

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offset_angle = PI + atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + PI + PI/2.0 * (i/6); 

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} 

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else { //top right 

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offset_angle = 2*PI  atan(abs((SCOUT_W/2.0)/(SCOUT_H/2.0))); 

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bom_pos.theta = scout_pos.theta + 3*PI/2.0 + PI/2.0 * (i/9); 

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} 

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offset_angle += scout_pos.theta; 

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if (i == 2  i == 7) { 

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x_offset = (SCOUT_W/2.0)*cos(offset_angle); 

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y_offset = (SCOUT_W/2.0)*sin(offset_angle); 

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} 

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else { 

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x_offset = diag_dis*cos(offset_angle); 

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y_offset = diag_dis*sin(offset_angle); 

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} 

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bom_pos.x = scout_pos.x + x_offset;


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bom_pos.y = scout_pos.y  y_offset;


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bom_pos.x = scout_pos.x + x_offset; 

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bom_pos.y = scout_pos.y  y_offset; 

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if (bom_pos.theta > 2*PI) {


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bom_pos.theta = 2*PI;


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}


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else if (bom_pos.theta < 0) {


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bom_pos.theta += 2*PI;


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}


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if (bom_pos.theta > 2*PI) { 

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bom_pos.theta = 2*PI; 

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} 

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else if (bom_pos.theta < 0) { 

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bom_pos.theta += 2*PI; 

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} 

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if(is_inrange(emitter_pos, bom_pos, BOM_APERTURE, BOM_DISTANCE)) { 

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string em_id_str = m_it>first.substr(m_it>first.find("_")+1); 

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int emitter_id = atoi(em_id_str.c_str()); 

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it>second>update_BOM(i, 1, emitter_id); 

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} 

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else { 

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it>second>update_BOM(i, 0, 0); 

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} 

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} 

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} else { 

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// nothing in the emitter range, set everything to 0 

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for (int i = 0; i<10; i++) { 

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it>second>update_BOM(i, 0, 0); 

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} 

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emitter_id = getActiveEmitter(bom_pos); 

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if (emitter_id >= 0) { 

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it>second>update_BOM(i, 1, emitter_id); 

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} 
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else { 

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it>second>update_BOM(i, 0, 1); 

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} 

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} 
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} 

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int SimFrame::getActiveEmitter(geometry_msgs::Pose2D bom_pos) { 

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M_Emitter::iterator m_it = emitters.begin(); 

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M_Emitter::iterator m_end = emitters.end(); 

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int emitter_id = 1; 

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for (; m_it != m_end; ++m_it) { 

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geometry_msgs::Pose2D emitter_pos; 

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emitter_pos = m_it>second>get_pos(); 

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if(is_inrange(bom_pos, emitter_pos, em_aperture, em_distance) && 

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is_inrange(emitter_pos, bom_pos, BOM_APERTURE, BOM_DISTANCE)) { 

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string em_id_str = m_it>first.substr(m_it>first.find("_")+1); 

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emitter_id = atoi(em_id_str.c_str()); 

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return emitter_id; 

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} 

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} 

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return 1; 

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} 
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