private float getRampLength(float totalLen, RosterSpeedProfile speedProfile) {
float speed = 0.0f;
float rampLength = 0.0f;
int numSteps = 0;
while (speed < _maxSpeed) {
float dist;
if (speedProfile != null) {
dist =
speedProfile.getSpeed((speed + _minSpeed / 2), _forward.isSelected())
* _intervalTime
/ 1000;
} else {
dist = (speed + _minSpeed / 2) * _intervalTime * _throttleFactor;
}
if (rampLength + dist <= totalLen / 2) {
if ((speed + _minSpeed) > _maxSpeed) {
dist = dist * (_maxSpeed - speed) / _minSpeed;
speed = _maxSpeed;
} else {
speed += _minSpeed;
}
rampLength += dist;
numSteps++;
if (log.isDebugEnabled()) {
log.debug(
"step "
+ numSteps
+ " dist= "
+ dist
+ " speed= "
+ speed
+ " rampLength = "
+ rampLength);
}
} else {
// cannot get to _maxSpeed and have enough length to decelerate
_maxSpeed = speed; // modify
break;
}
}
// add the smidge of distance needed to reach _maxSpeed
// rampLength += (_maxSpeed - speed)*_intervalTime*_throttleFactor;
if (log.isDebugEnabled()) {
log.debug(
numSteps
+ " speed steps of delta= "
+ _minSpeed
+ " for rampLength = "
+ rampLength
+ " to reach speed "
+ _maxSpeed);
}
return rampLength;
}
private String makeCommands(Warrant w) {
int nextIdx = 0; // block index - increment after getting a block order
List<BlockOrder> orders = getOrders();
BlockOrder bo = orders.get(nextIdx++);
String blockName = bo.getBlock().getDisplayName();
w.addThrottleCommand(new ThrottleSetting(0, "F0", "true", blockName));
if (_forward.isSelected()) {
w.addThrottleCommand(new ThrottleSetting(1000, "Forward", "true", blockName));
w.addThrottleCommand(new ThrottleSetting(1000, "F2", "true", blockName));
w.addThrottleCommand(new ThrottleSetting(2500, "F2", "false", blockName));
w.addThrottleCommand(new ThrottleSetting(1000, "F2", "true", blockName));
w.addThrottleCommand(new ThrottleSetting(2500, "F2", "false", blockName));
} else {
w.addThrottleCommand(new ThrottleSetting(1000, "Forward", "false", blockName));
w.addThrottleCommand(new ThrottleSetting(2000, "F3", "true", blockName));
w.addThrottleCommand(new ThrottleSetting(500, "F3", "false", blockName));
w.addThrottleCommand(new ThrottleSetting(500, "F3", "true", blockName));
w.addThrottleCommand(new ThrottleSetting(500, "F1", "true", blockName));
}
// estimate for blocks of zero length - an estimate of ramp length
boolean isForward = _forward.isSelected();
jmri.jmrit.roster.RosterEntry ent = getTrain();
RosterSpeedProfile speedProfile = null;
if (ent != null) {
speedProfile = ent.getSpeedProfile();
if (speedProfile != null) {
float s = speedProfile.getSpeed(_maxSpeed, isForward);
if (log.isDebugEnabled()) {
log.debug("SpeedProfile _maxSpeed setting= " + _maxSpeed + " speed= " + s + "mps");
}
if (s <= 0.0f || s == Float.POSITIVE_INFINITY) {
speedProfile = null;
}
}
}
if (log.isDebugEnabled()) {
log.debug(
"throttle Factor= "
+ _throttleFactor
+ " from "
+ (speedProfile != null ? "SpeedProfile" : "Default"));
}
float defaultBlockLen = 6 * _maxSpeed * _intervalTime / _throttleFactor; // just a wild guess
float totalLen = getTotalLength(defaultBlockLen);
float rampLength = getRampLength(totalLen, speedProfile);
float blockLen = bo.getPath().getLengthMm(); // length of path in current block
if (blockLen <= 0) {
blockLen = defaultBlockLen;
}
blockLen /= 2;
// start train
float speedTime = 500; // ms time to complete speed step from last block
float noopTime = 0; // ms time for entry into next block
float curSpeed = 0;
// each speed step will last for _intervalTime ms
float curDistance = 0; // distance traveled in current block
float remRamp = rampLength;
if (log.isDebugEnabled()) {
log.debug(
"Start Ramp Up in block \""
+ blockName
+ "\" in "
+ (int) speedTime
+ "ms, remRamp= "
+ remRamp
+ ", blockLen= "
+ blockLen);
}
while (remRamp > 0.0f) { // ramp up loop
if (speedProfile != null) {
curDistance = speedProfile.getSpeed(curSpeed, isForward) * speedTime / 1000;
} else {
curDistance = curSpeed * speedTime * _throttleFactor;
}
while (curDistance < blockLen && curSpeed < _maxSpeed) {
float dist;
if (speedProfile != null) {
dist =
speedProfile.getSpeed((curSpeed + _minSpeed / 2), isForward) * _intervalTime / 1000;
} else {
dist = (curSpeed + _minSpeed / 2) * _intervalTime * _throttleFactor;
}
float prevSpeed = curSpeed;
if ((curSpeed + _minSpeed) > _maxSpeed) {
dist = dist * (_maxSpeed - curSpeed) / _minSpeed;
curSpeed = _maxSpeed;
} else {
curSpeed += _minSpeed;
}
if (curDistance + dist <= blockLen && remRamp > 0.0f) {
curDistance += dist;
remRamp -= dist;
w.addThrottleCommand(
new ThrottleSetting((int) speedTime, "Speed", Float.toString(curSpeed), blockName));
if (log.isDebugEnabled()) {
log.debug(" dist= " + dist);
}
if (log.isDebugEnabled()) {
log.debug(
"Ramp Up in block \""
+ blockName
+ "\" to speed "
+ curSpeed
+ " in "
+ (int) speedTime
+ "ms to reach curDistance= "
+ curDistance
+ " with remRamp= "
+ remRamp);
}
speedTime = _intervalTime;
} else {
curSpeed = prevSpeed;
break;
}
}
// Possible case where curDistance can exceed the length of a block that was just entered.
// Move to next block and adjust the distance times into that block
if (speedProfile != null) {
if (curDistance >= blockLen) {
noopTime =
Math.round(
1000
* speedProfile.getDurationOfTravelInSeconds(
isForward, curSpeed, Math.round(blockLen))); // time to next block
speedTime =
Math.round(
1000
* speedProfile.getDurationOfTravelInSeconds(
isForward, curSpeed, Math.round(curDistance - blockLen)));
} else {
noopTime =
Math.round(
1000
* speedProfile.getDurationOfTravelInSeconds(
isForward, curSpeed, Math.round(blockLen - curDistance)));
speedTime = _intervalTime - noopTime; // time to next speed change
}
} else {
if (curDistance >= blockLen) {
noopTime = (blockLen) / (curSpeed * _throttleFactor); // time to next block
speedTime = (curDistance - blockLen) / (curSpeed * _throttleFactor);
} else {
noopTime = (blockLen - curDistance) / (curSpeed * _throttleFactor); // time to next block
speedTime = _intervalTime - noopTime; // time to next speed change
}
}
// break out here if deceleration is to be started in this block
if (totalLen - blockLen <= rampLength || curSpeed >= _maxSpeed) {
break;
}
if (remRamp > 0.0f && nextIdx < orders.size()) {
totalLen -= blockLen;
if (log.isDebugEnabled()) {
log.debug(
"Leave RampUp block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", in distance="
+ curSpeed * noopTime * _throttleFactor
+ ", blockLen= "
+ blockLen
+ ", remRamp= "
+ remRamp);
}
bo = orders.get(nextIdx++);
blockName = bo.getBlock().getDisplayName();
blockLen = bo.getPath().getLengthMm();
if (blockLen <= 0) {
blockLen = defaultBlockLen;
}
w.addThrottleCommand(new ThrottleSetting((int) noopTime, "NoOp", "Enter Block", blockName));
if (log.isDebugEnabled()) {
log.debug(
"Enter block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", blockLen= "
+ blockLen);
}
}
}
if (log.isDebugEnabled()) {
log.debug(
"Ramp Up done at block \""
+ blockName
+ "\" curSpeed="
+ ""
+ curSpeed
+ ", blockLen= "
+ blockLen
+ " totalLen= "
+ totalLen
+ ", rampLength= "
+ rampLength
+ ", remRamp= "
+ remRamp);
}
if (totalLen - blockLen > rampLength) {
totalLen -= blockLen;
if (nextIdx < orders.size()) { // not the last block
bo = orders.get(nextIdx++);
blockName = bo.getBlock().getDisplayName();
blockLen = bo.getPath().getLengthMm();
if (blockLen <= 0) {
blockLen = defaultBlockLen;
}
w.addThrottleCommand(new ThrottleSetting((int) noopTime, "NoOp", "Enter Block", blockName));
if (log.isDebugEnabled()) {
log.debug(
"Enter block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", blockLen= "
+ blockLen);
}
curDistance = 0;
}
// run through mid route at max speed
while (nextIdx < orders.size() && totalLen - blockLen > rampLength) {
totalLen -= blockLen;
// constant speed, get time to next block
if (speedProfile != null) {
noopTime =
Math.round(
1000
* speedProfile.getDurationOfTravelInSeconds(
isForward, curSpeed, Math.round(blockLen - curDistance)));
} else {
noopTime = (blockLen - curDistance) / (curSpeed * _throttleFactor);
}
if (log.isDebugEnabled()) {
log.debug(
"Leave MidRoute block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", curDistance="
+ curDistance
+ ", blockLen= "
+ blockLen
+ ", totalLen= "
+ totalLen);
}
bo = orders.get(nextIdx++);
blockName = bo.getBlock().getDisplayName();
blockLen = bo.getPath().getLengthMm();
if (blockLen <= 0) {
blockLen = defaultBlockLen;
}
if (nextIdx == orders.size()) {
blockLen /= 2;
}
w.addThrottleCommand(new ThrottleSetting((int) noopTime, "NoOp", "Enter Block", blockName));
if (log.isDebugEnabled()) {
log.debug(
"Enter block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", blockLen= "
+ blockLen);
}
curDistance = 0;
}
} // else Start ramp down in current block
// Ramp down. use negative delta
remRamp = rampLength;
if (speedProfile != null) {
speedTime =
Math.round(
1000
* speedProfile.getDurationOfTravelInSeconds(
isForward, curSpeed, Math.round(totalLen - rampLength)));
} else {
speedTime = (totalLen - rampLength) / (curSpeed * _throttleFactor);
}
curDistance = totalLen - rampLength;
if (log.isDebugEnabled()) {
log.debug(
"Begin Ramp Down at block \""
+ blockName
+ "\" curDistance= "
+ curDistance
+ " SpeedTime= "
+ (int) speedTime
+ "ms, blockLen= "
+ blockLen
+ ", totalLen= "
+ totalLen
+ ", rampLength= "
+ rampLength
+ " curSpeed= "
+ curSpeed);
}
while (curSpeed > 0) {
if (nextIdx == orders.size()) { // at last block
if (_stageEStop.isSelected()) {
w.addThrottleCommand(new ThrottleSetting(0, "Speed", "-0.5", blockName));
_intervalTime = 0;
break;
}
}
do {
float dist;
float nextSpeed = Math.max(curSpeed - _minSpeed, 0);
if (speedProfile != null) {
dist =
speedProfile.getSpeed((curSpeed + nextSpeed) / 2, isForward) * _intervalTime / 1000;
} else {
dist = (curSpeed + nextSpeed) / 2 * _intervalTime * _throttleFactor;
}
curDistance += dist;
curSpeed = nextSpeed;
remRamp -= dist;
w.addThrottleCommand(
new ThrottleSetting((int) speedTime, "Speed", Float.toString(curSpeed), blockName));
if (log.isDebugEnabled()) {
log.debug(
"Ramp Down in block \""
+ blockName
+ "\" to speed "
+ curSpeed
+ " in "
+ (int) speedTime
+ "ms to reach curDistance= "
+ curDistance
+ " with remRamp= "
+ remRamp);
}
if (curDistance >= blockLen) {
if (speedProfile != null) {
speedTime =
Math.round(
1000
* speedProfile.getDurationOfTravelInSeconds(
isForward, curSpeed, Math.round(curDistance - blockLen)));
} else {
speedTime = (curDistance - blockLen) / (curSpeed * _throttleFactor);
}
} else {
speedTime = _intervalTime;
}
noopTime = _intervalTime - speedTime;
} while (curDistance < blockLen && curSpeed > 0);
if (nextIdx < orders.size()) {
totalLen -= blockLen;
if (log.isDebugEnabled()) {
log.debug(
"Leave RampDown block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", in distance="
+ curSpeed * noopTime * _throttleFactor
+ ", blockLen= "
+ blockLen
+ ", totalLen= "
+ totalLen
+ ", remRamp= "
+ remRamp);
}
bo = orders.get(nextIdx++);
blockName = bo.getBlock().getDisplayName();
blockLen = bo.getPath().getLengthMm();
if (blockLen <= 0) {
blockLen = defaultBlockLen;
}
if (nextIdx == orders.size()) {
blockLen /= 2;
}
w.addThrottleCommand(new ThrottleSetting((int) noopTime, "NoOp", "Enter Block", blockName));
if (log.isDebugEnabled()) {
log.debug(
"Enter block \""
+ blockName
+ "\" noopTime= "
+ noopTime
+ ", blockLen= "
+ blockLen);
}
if (speedProfile != null) {
curDistance = speedProfile.getSpeed(curSpeed, isForward) * speedTime / 1000;
} else {
curDistance = curSpeed * speedTime * _throttleFactor;
}
} else {
if (blockLen == 0) {
speedTime = 0;
}
break;
}
}
// Ramp down finished
if (curSpeed > 0) { // cleanup fractional speeds. insure speed 0 - should never happen.
log.warn(
"Ramp down LAST speed change in block \""
+ blockName
+ "\" to speed 0 after "
+ (int) speedTime
+ "ms. curSpeed= "
+ curSpeed
+ ", curDistance= "
+ curDistance
+ ", remRamp= "
+ remRamp);
w.addThrottleCommand(new ThrottleSetting((int) speedTime, "Speed", "0.0", blockName));
}
w.addThrottleCommand(new ThrottleSetting(500, "F1", "false", blockName));
w.addThrottleCommand(new ThrottleSetting(1000, "F2", "true", blockName));
w.addThrottleCommand(new ThrottleSetting(3000, "F2", "false", blockName));
w.addThrottleCommand(new ThrottleSetting(1000, "F0", "false", blockName));
/* if (_addTracker.isSelected()) {
WarrantTableFrame._defaultAddTracker = true;
w.addThrottleCommand(new ThrottleSetting(10, "START TRACKER", "", blockName));
} else {
WarrantTableFrame._defaultAddTracker = false;
}*/
return null;
}
