﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc
4698	OMPython + 'Failed to build model: BouncingBall'	msoliman.w@…	somebody	"Trying to use OMPython to simulate Modelica Models. I tried the example in the help and it failed. Below are the sequence of commands. Not sure what is wrong. Please help. Thanks

In [2]: from OMPython import OMCSessionZMQ
   ...: omc = OMCSessionZMQ()
2017-12-25 15:33:30,137 - OMPython - INFO - OMC Server is up and running at file:///C:/Users/msoli/AppData/Local/Temp/openmodelica.port.dbdec2bfec4f4db88c5a79f56907c637

In [3]: omc.sendExpression(""getVersion()"")
Out[3]: 'v1.12.0 (64-bit)'

In [4]: omc.sendExpression(""cd()"")
Out[4]: 'C:/Program Files (x86)/Microsoft Visual Studio/Shared/Anaconda3_64'

In [5]: omc.sendExpression(""loadModel(Modelica)"")
Out[5]: True

In [6]: omc.sendExpression(""loadFile(getInstallationDirectoryPath() + \""/share/doc/omc/testmodels/BouncingBall.mo\"")"")
Out[6]: True

In [7]: omc.sendExpression(""instantiateModel(BouncingBall)"")
Out[7]: 'class BouncingBall\n  parameter Real e = 0.7 ""coefficient of restitution"";\n  parameter Real g = 9.810000000000001 ""gravity acceleration"";\n  Real h(start = 1.0) ""height of ball"";\n  Real v ""velocity of ball"";\n  Boolean flying(start = true) ""true, if ball is flying"";\n  Boolean impact;\n  Real v_new;\n  Integer foo;\nequation\n  impact = h <= 0.0;\n  foo = if impact then 1 else 2;\n  der(v) = if flying then -g else 0.0;\n  der(h) = v;\n  when {h <= 0.0 and v <= 0.0, impact} then\n    v_new = if edge(impact) then (-e) * pre(v) else 0.0;\n    flying = v_new > 0.0;\n    reinit(v, v_new);\n  end when;\nend BouncingBall;\n'

In [8]: omc.sendExpression(""simulate(BouncingBall, stopTime=3.0)"")
Out[8]: 
{'messages': 'Failed to build model: BouncingBall',
 'resultFile': '',
 'simulationOptions': ""startTime = 0.0, stopTime = 3.0, numberOfIntervals = 500, tolerance = 1e-006, method = 'dassl', fileNamePrefix = 'BouncingBall', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = ''"",
 'timeBackend': 0.0,
 'timeCompile': 0.0,
 'timeFrontend': 0.0,
 'timeSimCode': 0.0,
 'timeSimulation': 0.0,
 'timeTemplates': 0.0,
 'timeTotal': 0.0}"	defect	new	high	Future	*unknown*				
