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Hinzufügen von GTFS zum Network Dataset erzeugt ständig Fehler 999999 Topo-Engine

TimHaas

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Hallo zusammen,<\/P>

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ich benutze das Tool Add GTFS to a Network Dataset. Ich habe das auf YouTube präsentierte Tutorial mit den bereitgestellten Daten abgeschlossen und es hat einwandfrei funktioniert. Wenn ich jedoch versuche, dies mit meinen eigenen Network- und GTFS-Daten aus Deutschland zu reproduzieren, beginnt das Problem. Der erste Schritt zur Generierung von Transit Lines und Stops funktioniert gut. Aber im zweiten Schritt, beim Versuch, Stop-Street-Connectors zu generieren, erhalte ich ständig den Fehler 999999 Topo-Engine (siehe angehängte Datei). Hat jemand schon einmal diesen Fehler erlebt und eine Lösung gefunden? Ich würde mich sehr über Hinweise und Ideen freuen, da ich dies dringend für meine Masterarbeit beheben muss.<\/P>

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Vielen Dank im Voraus, Tim<\/P><\/BODY><\/HTML>

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Accepted answers

Melinda Morang

Hi Tim. I cannot provide extensive support for this tool because it is now deprecated. The functionality is available out-of-the-box in ArcGIS Pro, so if at all possible, I encourage you to use that instead. It may make your problem simply go away.

With that said: The error message appears to be related to some problem with the geometry of your street features. I suggest you run the Check Geometry and Repair Geometry tools on your streets and then try running Step 2 again.

All comments

MarcoBoeringa

The error message itself refers to Unicode and ascii. It suggest you may have some non-ascii text characters in some of your data, that subsequently cause an issue when part of the processing pipeline you are using tries to handle this. E.g. you can't represent a Chinese character in ascii.

So, are there any special language specific characters in your data? If so, maybe replacing them by safer ascii text characters only solves the issue.

TimHaas

I got the process working now. I clipped my original street data to the area I´m interested in, ran check geometry, fix geometry and integrate. None of these caused any issues.

Then Iset up my Network Dataset, wich also seemed to work. But executing step 3 to get the E-IDs, ArcGIS gave the attached error message.

Is this a known issue and is there an (easy) fix available?

Melinda Morang

The answer is maybe. The error message you posted earlier showed that it failed when running the Integrate tool. The purpose of that tool is to create a vertex in your streets at the location where each Stops_Snapped2Streets point intersects the street. Without these vertices, the network dataset will not actually be connected at those locations, so a traveler would not be able to get on or off the transit line at that location. It could be that just one or two locations caused a problem and the rest worked correctly, in which case the overall errors in your network would be small. On the other hand, possibly the Integrate tool did not add any vertices, in which case your transit lines will be completely disconnected from your streets.

TimHaas

Hi Melinda,

thanks a lot for your fast reply! I´ve been running the Check Geometry and Repair Geometry Tools. They found one incident, where a Null-Geometry has been found. After fixing (deleting) the flawed object, I re-ran the second step, but still the same error-massage was given.

Oddly, while receiving the error-message, the stops_snaped2street points have been created for each individual stop from my GTFS file. Is it possible, that despite the error, the calculation was still sucessful, so that i can go on with producing the transit enabled network?

Best regards, Tim

Melinda Morang

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