和Python如何调用STK接口编程-CSDN博客这里说的一样，STK Help文档里面其实有讲，但也有不少坑。所以这边整理了一些对Satellite, Target, Aircraft等对象的基本操作：
生成STK场景：
python
import pymysql
import win32com
from win32com.client import GetActiveObject
import comtypes
from comtypes.client import CreateObject
from comtypes.gen import STKUtil
from comtypes.gen import STKObjects
from comtypes.gen import AgSTKGraphicsLib
from comtypes.gen import AgSTKVgtLib
from comtypes.gen import AgUiApplicationLib
from comtypes.gen import AgUiCoreLib
from comtypes.gen import stdole
from comtypes.gen import STKObjects
class STKWindow:
def __init__(self,flag=False):
if flag==True:
self.uiApplication = win32com.client.Dispatch('STK11.Application')
self.uiApplication.Visible = True
self.uiApplication = CreateObject('STK11.Application')
self.uiApplication.Visible = True
# Get our IAgStkObjectRoot interface
self.root = self.uiApplication.Personality2
elif flag==False:
try:
self.uiApplication=GetActiveObject('STK11.Application')
self.root = self.uiApplication.Personality2
self.sc=self.root.CurrentScenario
self.scIAg=self.sc.QueryInterface(STKObjects.IAgScenario)
except:
print("no active STK or Scenario")
else:
self.uiApplication = win32com.client.Dispatch('STK11.Application')
self.uiApplication.Visible = True
self.uiApplication = CreateObject('STK11.Application')
self.uiApplication.Visible = True
self.root = self.uiApplication.Personality2
self.root.Load(flag)
self.sc=self.root.CurrentScenario
self.scIAg=self.sc.QueryInterface(STKObjects.IAgScenario)
def newScenario(self,name,startTime,endTime):
self.root.NewScenario(name)
self.sc=self.root.CurrentScenario
self.scIAg=self.sc.QueryInterface(STKObjects.IAgScenario)
scIAg.SetTimePeriod(startTime,endTime)
self.root.Rewind()
return self.sc
def connect(sql):
conn = pymysql.connect(host="127.0.0.1",user ="root", passwd ="123456", db = "task scheduling", port=3306,charset = 'utf8')
cur =conn.cursor()
cur.execute(sql)
if sql.strip()[:6].upper()=='SELECT':
res=cur.fetchall()
else:
coon.commit()
res='ok'
cur.close()
conn.close()
return resSpacecraft:
python
class Spacecraft:
def __init__(self,name,Type='',Time='1 Jan 2020 00:00:00.000',revolve=10,inclination=0,RAAN=0,argumentOfPerigee=0,eccentricity=0,MeanAnomaly=0):
self.name=name
self.Type=Type
self.Time=Time
self.revolve=revolve
self.inclination=inclination
self.RAAN=RAAN
self.argumentOfPerigee=argumentOfPerigee
self.eccentricity=eccentricity
self.MeanAnomaly=MeanAnomaly
self.uniqueNumber=18
self.cmds=[]
self.cmds.append('New / */Satellite %s' %name)
self.cmds.append('New / */Satellite %s' %name)
def queryFromSecenario(self,sc):
try:
sats=sc.Children.GetElements(self.uniqueNumber)
sat=sats.Item(self.name)
return sat
except:
return None
def deleteFromSecenario(self,sc):
if self.queryFromSecenario(sc):
sc.Children.Unload(self.uniqueNumber,self.name)
return 'already deleted'
else:
return 'not exist'
def addToScenario(self,root,sc):
if self.queryFromSecenario(sc):
# 'can not add, this name already exists'
return None
sat=sc.Children.New(self.uniqueNumber, self.name) # eSatellite
satIAg= sat.QueryInterface(STKObjects.IAgSatellite)
satIAg.PropagatorSupportedTypes
satIAg.SetPropagatorType(STKObjects.ePropagatorJ4Perturbation)
satProp = satIAg.Propagator
satProp=satProp.QueryInterface(STKObjects.IAgVePropagatorJ4Perturbation)
satProp.InitialState.Epoch=self.Time
keplerian = satProp.InitialState.Representation.ConvertTo(STKUtil.eOrbitStateClassical)
keplerian2 = keplerian.QueryInterface(STKObjects.IAgOrbitStateClassical)
keplerian2.SizeShapeType =STKObjects.eSizeShapeMeanMotion
# keplerian2.SizeShapeType =STKObjects.eSizeShapeSemimajorAxis
keplerian2.LocationType = STKObjects.eLocationMeanAnomaly
keplerian2.Orientation.AscNodeType = STKObjects.eAscNodeRAAN
root.UnitPreferences.Item('AngleUnit').SetCurrentUnit('revs')
root.UnitPreferences.Item('TimeUnit').SetCurrentUnit('day')
root.UnitPreferences.Item('Distance').SetCurrentUnit('km')
print(keplerian2.SizeShape)
keplerian2.SizeShape.QueryInterface(STKObjects.IAgClassicalSizeShapeMeanMotion).MeanMotion = self.revolve
keplerian2.SizeShape.QueryInterface(STKObjects.IAgClassicalSizeShapeMeanMotion).Eccentricity = self.eccentricity
# keplerian2.SizeShape.QueryInterface(STKObjects.IAgClassicalSizeShapeSemimajorAxis).SemimajorAxis = self.SemimajorAxis
# keplerian2.SizeShape.QueryInterface(STKObjects.IAgClassicalSizeShapeSemimajorAxis).Eccentricity = self.Eccentricity
root.UnitPreferences.Item('AngleUnit').SetCurrentUnit('deg')
root.UnitPreferences.Item('TimeUnit').SetCurrentUnit('sec')
keplerian2.Orientation.Inclination = self.inclination
keplerian2.Orientation.ArgOfPerigee = self.argumentOfPerigee
keplerian2.Orientation.AscNode.QueryInterface(STKObjects.IAgOrientationAscNodeRAAN).Value = self.RAAN
keplerian2.Location.QueryInterface(STKObjects.IAgClassicalLocationMeanAnomaly).Value = self.MeanAnomaly
satProp.InitialState.Representation.Assign(keplerian)
satProp.Propagate()
self.sat=sat
self.satIAg=satIAg
return satIAgTarget:
python
class Target:
def __init__(self,name,Longitude=0,Latitude=0,Altitude=0):
self.name=name
self.Longitude=Longitude
self.Latitude=Latitude
self.Altitude=Altitude
self.uniqueNumber=23
def queryFromSecenario(self,sc):
try:
targets=sc.Children.GetElements(self.uniqueNumber)
target=targets.Item(self.name)
return target
except:
return None
def deleteFromSecenario(self,sc):
if self.queryFromSecenario(sc):
sc.Children.Unload(self.uniqueNumber,self.name)
return 'already deleted'
else:
return 'not exist'
def addToScenario(self,sc):
if self.queryFromSecenario(sc):
# 'can not add, this name already exists'
return None
target = sc.Children.New(self.uniqueNumber, self.name)
targetIAg = target.QueryInterface(STKObjects.IAgTarget)
pos = targetIAg.Position
pos.AssignGeodetic(self.Latitude,self.Longitude,self.Altitude)
self.targetIAg=targetIAg
self.target=target
return targetIAgAircraft:
python
class Aircraft:
def __init__(self,name):
self.name=name
self.uniqueNumber=1
def queryFromSecenario(self,sc):
try:
aircrafts=sc.Children.GetElements(self.uniqueNumber)
aircraft=aircrafts.Item(self.name)
return aircraft
except:
return None
def deleteFromSecenario(self,sc):
if self.queryFromSecenario(sc):
sc.Children.Unload(self.uniqueNumber,self.name)
return 'already deleted'
else:
return 'not exist'
def addToScenario(self,sc):
if self.queryFromSecenario(sc):
# 'can not add, this name already exists'
return None
aircraft = sc.Children.New(self.uniqueNumber, self.name)
aircraftIAg = aircraft.QueryInterface(STKObjects.IAgAircraft)
self.aircraftIAg=aircraftIAg
self.aircraft=aircraft
return aircraftIAg
def addWayPoints(self,points):
self.aircraftIAg.SetRouteType(STKObjects.ePropagatorGreatArc)
route = self.aircraftIAg.Route
route = route.QueryInterface(STKObjects.IAgVePropagatorGreatArc)
route.Method=STKObjects.AgEVeWayPtCompMethod(0)
try:
for point in points:
waypoint = route.Waypoints.Add()
waypoint.Longitude = point[0]
waypoint.Latitude = point[1]
waypoint.Altitude = point[2]
waypoint.Speed=point[3]
route.Propagate()
return 'add waypoints successfully'
except:
return 'add waypoints unsuccessfully'
def removeWayPoints(self):
self.aircraftIAg.SetRouteType(STKObjects.ePropagatorGreatArc)
route = self.aircraftIAg.Route
route = route.QueryInterface(STKObjects.IAgVePropagatorGreatArc)
route.Waypoints.RemoveAll()
route.Propagate()Ship:
python
class Ship:
def __init__(self,name):
self.name=name
self.uniqueNumber=21
def queryFromSecenario(self,sc):
try:
ships=sc.Children.GetElements(self.uniqueNumber)
ship=ships.Item(self.name)
return ship
except:
return None
def deleteFromSecenario(self,sc):
if self.queryFromSecenario(sc):
sc.Children.Unload(self.uniqueNumber,self.name)
return 'already deleted'
else:
return 'not exist'
def addToScenario(self,sc):
if self.queryFromSecenario(sc):
# 'can not add, this name already exists'
return None
ship = sc.Children.New(self.uniqueNumber, self.name)
shipIAg = ship.QueryInterface(STKObjects.IAgShip)
self.shipIAg=shipIAg
self.ship=ship
return shipIAg
def addWayPoints(self,points):
self.shipIAg.SetRouteType(STKObjects.ePropagatorGreatArc)
route = self.shipIAg.Route
route = route.QueryInterface(STKObjects.IAgVePropagatorGreatArc)
route.Method=STKObjects.AgEVeWayPtCompMethod(0)
try:
for point in points:
waypoint = route.Waypoints.Add()
waypoint.Longitude = point[0]
waypoint.Latitude = point[1]
waypoint.Altitude = point[2]
waypoint.Speed=point[3]
route.Propagate()
return 'add waypoints successfully'
except:
return 'add waypoints unsuccessfully'
def removeWayPoints(self):
self.shipIAg.SetRouteType(STKObjects.ePropagatorGreatArc)
route = self.shipIAg.Route
route = route.QueryInterface(STKObjects.IAgVePropagatorGreatArc)
route.Waypoints.RemoveAll()
route.Propagate()获取可见性：
python
def addAccess(Monitor,Monitored):
Monitor=Monitor.QueryInterface(STKObjects.IAgStkObject)
Monitored=Monitored.QueryInterface(STKObjects.IAgStkObject)
access = Monitor.GetAccessToObject(Monitored)
access.ComputeAccess()
results = access.ComputedAccessIntervalTimes
results=results.ToArray(0,results.Count)
return results使用示例：
python
def addAccess(Monitor,Monitored):
Monitor=Monitor.QueryInterface(STKObjects.IAgStkObject)
Monitored=Monitored.QueryInterface(STKObjects.IAgStkObject)
access = Monitor.GetAccessToObject(Monitored)
access.ComputeAccess()
results = access.ComputedAccessIntervalTimes
results=results.ToArray(0,results.Count)
return results
# open STK and creat Scenario
STKW=STKWindow('E:/AGI/STKFiles/test1/test1.sc')
sc=STKW.newScenario('test1',"1 Jan 2020 00:00:00.000 ","8 Jan 2020 00:00:00.000 ")
# select satellites from datebase
sql="select name,type,time,revolve,inclination,RAAN,argumentOfPerigee,eccentricity,MeanAnomaly from spacecraft"
sat=connect(sql)[0]
# (self,name,Type,Time,revolve=10,inclination=0,RAAN=0,argumentOfPerigee=0,eccentricity=0,MeanAnomaly=0):
sat=Spacecraft(sat[0],sat[1],sat[2],sat[3],sat[4],sat[5],sat[6],sat[7],sat[8])
sql='select name,Longitude,Latitude,Altitude from Target'
target=connect(sql)[0]
target=Target(target[0],target[1],target[2],target[3])
# new satellite and Target
addSat=sat.addToScenario(STKW.root,STKW.sc)
addTarget=target.addToScenario(STKW.sc)
# sat.deleteFromSecenario(STKW.sc)
# target.deleteFromSecenario(STKW.sc)
#add access
accessTimes=addAccess(sat.satIAg,target.targetIAg)
for accessTime in accessTimes:
print(accessTime)
# sats = STKW.root.CurrentScenario.Children.GetElements(18)
# print(type(sats.Item('satellite1')),type(sat.satIAg))
aircraft=Aircraft('aircraft1')
aircraft.addToScenario(STKW.sc)
sql="select Longitude,Latitude,Altitude,Speed from aircraft"
waypoints=connect(sql)
aircraft.addWayPoints(waypoints)
ship=Ship('ship1')
ship.addToScenario(STKW.sc)
sql="select Longitude,Latitude,Altitude,Speed from ship"
waypoints=connect(sql)
for point in waypoints:
print(point[0])
ship.addWayPoints(waypoints)
STKW.root.SaveAs('E:/AGI/STKFiles/test1/test1')
ship = sc.Children.New(21, 'ship1')
shipIAg = ship.QueryInterface(STKObjects.IAgShip)
shipIAg.SetRouteType(STKObjects.ePropagatorGreatArc)
route = shipIAg.Route
route = route.QueryInterface(STKObjects.IAgVePropagatorGreatArc)
route.Method=STKObjects.AgEVeWayPtCompMethod(0)
waypoint1 = route.Waypoints.Add()
waypoint1.Latitude = 39
waypoint1.Longitude = -79
waypoint1.Altitude = 10
waypoint1.Speed=0.001
waypoint2 = route.Waypoints.Add()
waypoint2.Latitude = 40
waypoint2.Longitude = -80
waypoint2.Altitude = 10
waypoint2.Speed=0.001
waypoint3 = route.Waypoints.Add()
waypoint3.Latitude = 41
waypoint3.Longitude = -81
waypoint3.Altitude = 10
waypoint3.Speed=0.001
route.Propagate()