Monitor system

.gitignore

@@ -1,2 +1,3 @@
 *.swp
 *.csv
+*.html

analysis.rmd

@@ -12,9 +12,19 @@ flight <- read.csv("flight.csv", header=T)
 
 ```{r graph}
 baseg <- ggplot(flight, aes(x=timepoint / 10)) + xlab("Time (seconds)") + theme_classic()
-alt <- baseg + geom_line(aes(y=current_altitude)) + ylab("Altitude (m)") + title("Altitude"
-spd <- baseg + geom_line(aes(y=v_speed)) + ylab("Vertical speed (m/s)") + title("Vertical speed")
-mass <- baseg + geom_line(aes(y=mass)) + ylab("Vessel mass (kg)") + title("Mass")
-fuel <- baseg + geom_line(aes(y=fuel)) + ylab("Fuel (kg)") + title("Fuel")
-minvia <- baseg + geom_line(aes(y=minviable)) + scale_y_continuous(labels=scales::percent) + ylab("Minimum viable thrust percentage") + title("Throttle")
+alt <- baseg + geom_line(aes(y=current_altitude)) + ylab("Altitude (m)") + ggtitle("Altitude")
+vspd <- baseg + geom_line(aes(y=v_speed)) + ylab("Vertical speed (m/s)") + ggtitle("Vertical speed")
+hspd <- baseg + geom_line(aes(y=h_speed)) + ylab("Horizontal speed (m/s)") + ggtitle("Horizontal speed")
+mass <- baseg + geom_line(aes(y=mass)) + ylab("Vessel mass (kg)") + ggtitle("Mass")
+fuel <- baseg + geom_line(aes(y=fuel)) + ylab("Fuel (kg)") + ggtitle("Fuel")
+at <- baseg + geom_line(aes(y=available_thrust)) + ylab("Available thrust (Newtons)") + ggtitle("Available thrust")
+```
+
+```{r drawgraphs, echo=FALSE}
+alt 
+vspd
+hspd
+mass
+fuel
+at
 ```

hover.py

@@ -6,8 +6,6 @@ import krpc
 # Target altitude in meters
 target_altitude = 100
 
-datafile = 'flight.csv'
-
 # The IP of the KRPC server (if not same computer)
 remote = '192.168.1.10'
 # Make connection
@@ -31,15 +29,11 @@ vessel.auto_pilot.target_pitch_and_heading(90, 90)
 vessel.auto_pilot.engage()
 timepoint = 0
 
-f = open(datafile, 'w')
-
-f.write('timepoint, current_altitude, v_speed, mass, fuel, minviable\n')
 while at > 0:
     vm = vessel.mass
     minviable = (vm * grav) / at
     current_altitude = vessel.flight(r_frame).surface_altitude
     v_speed = vessel.flight(r_frame).vertical_speed
-    f.write('{0}, {1}, {2}, {3}, {4}, {5}\n'.format(timepoint, current_altitude, v_speed, vm, vm - dry_mass, minviable))
     if current_altitude > target_altitude:
         if v_speed < 0:
             vessel.control.throttle = minviable * 0.6
@@ -55,5 +49,4 @@ while at > 0:
     at = vessel.available_thrust
     timepoint = timepoint + 1
 
-f.close()
 conn.close()

monitor.py

@@ -0,0 +1,56 @@
+#! /bin/python3
+
+# Modified from the script at
+# http://krpc.github.io/krpc/tutorials/user-interface.html
+
+datafile = 'flight.csv'
+remote = '192.168.1.10'
+
+import time
+import krpc
+
+conn = krpc.connect(name='Flight monitor', address=remote)
+canvas = conn.ui.stock_canvas
+
+# Get the size of the game window in pixels
+screen_size = canvas.rect_transform.size
+
+# Add a panel to contain the UI elements
+panel = canvas.add_panel()
+
+# Position the panel on the left of the screen
+rect = panel.rect_transform
+rect.size = (200, 50)
+rect.position = (110-(screen_size[0]/2), screen_size[1]/2-75)
+
+# Add a button to set the throttle to maximum
+button = panel.add_button("Stop monitor")
+button.rect_transform.position = (0, 0)
+
+# Set up a stream to monitor the throttle button
+button_clicked = conn.add_stream(getattr, button, 'clicked')
+f = open(datafile, 'w')
+f.write('timepoint, current_altitude, v_speed, h_speed, mass, fuel, available_thrust\n')
+timepoint = 0
+
+vessel = conn.space_center.active_vessel
+body = vessel.orbit.body
+r_frame = body.reference_frame
+
+while button_clicked() == False:
+    dry_mass = vessel.dry_mass
+    vm = vessel.mass
+    at = vessel.available_thrust
+    current_altitude = vessel.flight(r_frame).surface_altitude
+    v_speed = vessel.flight(r_frame).vertical_speed
+    h_speed = vessel.flight(r_frame).horizontal_speed
+    f.write('{0}, {1}, {2}, {3}, {4}, {5}, {6}\n'.format(timepoint,
+                                                         current_altitude,
+                                                         v_speed, h_speed, vm, vm - dry_mass, at))
+    timepoint = timepoint + 1
+    time.sleep(0.1)
+
+f.close()
+button.remove()
+panel.remove()
+conn.close()