That's wonderfull I will try this immediatelly. thanks! Dne četrtek, 21. julij 2016 15.00.54 UTC+2 je oseba Michael Haberler napisala: > > > > Am 21.07.2016 um 14:35 schrieb Klemen Zhivko <[email protected] > <javascript:>>: > > > > Hi everybody, > > > > I am using mk and mkwrapper I am getting below data on client. > > If I use: > > y = contReturned.getEmcStatusMotion().getActualPosition().getY(); > > > > to retrieve value of Y I always get 0.0 from such incremental updates - > Is there a programatic way of knowing that for example Y actualPosition was > not even inclulded in data so asking for: > > contReturned.getEmcStatusMotion().getActualPosition().getY() > > doesn't make sense? > > > > I mean - I could serialize this to string and try regularExpressions on > actual position and y, but this not efficient aproach. What is correct > aproach to know what fields to extract from MT_EMCSTAT_INCREMENTAL_UPDATE > packages? > > On my first try it seems like NULL values could solve this - so my idea > was for example that if actualposition y is not in data than NULL should be > returned. Base on that client could now that thi data was actually not > present in package. > > Comments please. > > See the protobuf documentation for a protobuf question, here: how do > determine if a field is present > > > https://developers.google.com/protocol-buffers/docs/reference/cpp-generated#fields > > - see has_* methods. > > > > > > > > Serialization of incremental data on client that I get: > > > > type: MT_EMCSTAT_INCREMENTAL_UPDATE > > emc_status_motion { > > active_queue: 0 > > actual_position { > > x: -1.8890249633789062 > > } > > axis { > > index: 0 > > input: -1.8890249633789062 > > output: -1.8900000000000032 > > } > > distance_to_go: 1.1079999999999997 > > dtg { > > x: -1.1079999999999968 > > } > > id: 336 > > joint_actual_position { > > x: -1.8890249633789062 > > } > > joint_position { > > x: -1.8900000000000032 > > } > > motion_line: 336 > > position { > > x: -1.8920000000000032 > > } > > } > > > > -- > > website: http://www.machinekit.io blog: http://blog.machinekit.io > github: https://github.com/machinekit > > --- > > You received this message because you are subscribed to the Google > Groups "Machinekit" group. > > To unsubscribe from this group and stop receiving emails from it, send > an email to [email protected] <javascript:>. > > Visit this group at https://groups.google.com/group/machinekit. > > For more options, visit https://groups.google.com/d/optout. > >
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