Are there any other differences to the projections besides the shift? Are the axis directions different (i.e. increasing from north to south)?
Am Mi., 2. Feb. 2022 um 09:03 Uhr schrieb Ovsenjak, Gregor AVL/SI via sumo-user <sumo-user@eclipse.org>: > Hello Jakob, > > > I am working on a project where a vehicle is collecting data. We are > trying to recreate the map in an OpenDrive format. For that we need the > SUMO netconvert software (which is awesome, by the way !!). The vehicle > collects data, and creates a local coordinate system based on the ENU > transformation, which means that they create a local tangent plane > coordinate system. But they take the first measured GNSS point as the ENU > reference point, which is (in this case) always in the top-right corner of > the map. > > This presents a problem for us because each SUMO network imported from a > geo-referenced data sources comes with it's own ENU projection: By default, > these are UTM coordinates which are shifted so that the *lower left > network corner* is the coordinate origin. Now we have one ENU coordinate > system in the top right corner and one in the bottom left corner, which > introduces an offset when overlaping x,y data from vehicle with the SUMO > converted OpenDrive file. > > I am wondering if there is a way to align these two ENU systems, or if we > can move the ENU tranformation to the top right corner. We have tried > shifting the coordinate origin but this does not solve the problem. > > Sorry for the long explanation, > > > With kind regards, > > Gregor Ovsenjak > _______________________________________________ > sumo-user mailing list > sumo-user@eclipse.org > To unsubscribe from this list, visit > https://www.eclipse.org/mailman/listinfo/sumo-user >
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