Hallo Leute, hier ist ein sehr grüner Geospatial Engineer. Ich habe mir die Aufgabe gestellt, zu lernen, wie man Gleisdiagramme mit ArcGIS Pro erstellt. Ich habe das folgende Diagramm erstellt, indem ich Eisenbahngleisdaten verwendet und das "Apply Relative Mainline Tool" benutzt habe. Für den ersten Durchlauf des Tools sieht es meiner Meinung nach ziemlich gut aus (oder vielleicht habe ich so lange daran gearbeitet, dass ich mich selbst anlüge, um mich besser zu fühlen). Meine Aufgabe ist es jetzt, das Diagramm etwas ordentlicher aussehen zu lassen (z.B. die Hauptstrecke auf derselben Y-Koordinate zu haben, alle seltsamen Vertiefungen loszuwerden usw.). Ich habe es geschafft, dies manuell mit den Werkzeugen Verschieben, Scheitelpunkte bearbeiten und Umformen zu tun, aber ich frage mich, ob es möglich ist, dies programmatisch zu machen? Ich würde jede Hilfe dazu schätzen, danke 🙂 Ich habe dieses Diagramm aus diesen Daten erstellt:

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Wie könnte ich mein Gleisdiagramm programmatisch bereinigen?

matteatsbrainz

Hallo Leute, hier ist ein sehr grüner Geospatial Engineer. Ich habe mir die Aufgabe gestellt, zu lernen, wie man Gleisdiagramme mit ArcGIS Pro erstellt. Ich habe das folgende Diagramm erstellt, indem ich Eisenbahngleisdaten verwendet und das "Apply Relative Mainline Tool" benutzt habe. Für den ersten Durchlauf des Tools sieht es meiner Meinung nach ziemlich gut aus (oder vielleicht habe ich so lange daran gearbeitet, dass ich mich selbst anlüge, um mich besser zu fühlen).<\/SPAN><\/P>Meine Aufgabe ist es jetzt, das Diagramm etwas ordentlicher aussehen zu lassen (z.B. die Hauptstrecke auf derselben Y-Koordinate zu haben, alle seltsamen Vertiefungen loszuwerden usw.). <\/SPAN><\/P>Ich habe es geschafft, dies manuell mit den Werkzeugen Verschieben, Scheitelpunkte bearbeiten und Umformen zu tun, aber ich frage mich, ob es möglich ist, dies programmatisch zu machen? <\/SPAN><\/P>Ich würde jede Hilfe dazu schätzen, danke 🙂<\/span>

<\/SPAN><\/P> <\/DIV><\/span><\/P>
Ich habe dieses Diagramm aus diesen Daten erstellt:<\/P><\/span><\/P> <\/P> <\/P> <\/SPAN><\/P>

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Ayan Palit

@matteatsbrainz Have a look at this excellent blog Create a Schematic Map for a Railroad Line by @JimBarry

Remmert

We've worked closely with @JimBarry & team for a few years now to automate this process. An elegant solution for push-button track charts in yards remains elusive, at least for the initial layout. There are several approaches for assigning hierarchies that can lessen the amount of manual layout you'll need to do in tight areas. Cartographically, none of them are fool proof. Combinations of shared-edge tools and snapping to concentric buffers occasionally help. Stepping up into Utility Networks or Roads & Highways offer a few additional tools for managing the routes/diagrams more efficiently at scale.

matteatsbrainz

Hey Ayan, Jim's blog was what actually laid the foundation for me to do this and helped me create a python tool that automatically assigned track hierarchy. I have been emailing him and he has been extremely helpful.

matteatsbrainz

Hey Remmert, Jim's blog helped me out massively in creating an automatic python tool that assigns track hierarchy. I wont go into too much detail (as that would be a blog on its own) but essentially our dataset contains a "TRACK_ID" field which determins the type of track (e.g up fast mainline, or down relief line).

This code gets me about 80% of the way there. My final problem is just getting the diagram to look correct. A correct looking track diagram is there I think I just need some kind of python script that will allign all the correct lines, and simplify the geometry. Am I correct in assuming that currently this can only be done by hand?

I have had a strange idea of potentially using machine learning to do this. I would manually clean up 50 or so diagrams and then feed them to an AI and see it could replicate it.

Remmert

You are correct, the "20%" currently has to be done by hand, minus assistive tools I mentioned above. I certainly look forward to seeing any solution you come up with, ESRI would probably welcome a presentation at Rail Summit. "I just need a python that does it correctly" and "training an AI" that can interact with a connected network inside the ESRI environment are often man-hour investments that exceed the cost of doing manually. We only continue to pursue supportive tools of this nature for Class I customers where the scale makes it viable. Another unexplored avenue is Ken Fields pushpin method for generating Vignellian subway maps. Make a transit map in ArcGIS Pro

matteatsbrainz

Hey, Remmert. I thought I would give you a quick update with my diagrams. I've implimented some bits into my hierarchy code that take into consideration the spatial continuity of the track and it produces a much better diagram now. I think I still need to play around with the settings of the tool a bit (like line compression and branch offsets), but I think it is a major improvement to my previous diagram. I'd love to get some feedback on it 🙂

Remmert

If you got it to produce this with just the relative main line tool you are winning my friend. I should probably try running one now that 3.5.2 is out. The branch offset function was one of the sticking points us. We could not get it to function reliably as described in the help docs. Hopefully they've made some improvements.

matteatsbrainz

Thank you, I'm really happy with how it turned out. I found that it was a delicate balance between the branch offset distance and track compression ratio that would reduce the amount of tracks randomly crossing over in the diagram. Now I've got to figure out how to include stations on the diagram, which should be fun

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