Hallo, ich möchte die Dachformen von Gebäuden mit Lidar-Daten und Gebäuden von Amsterdam extrahieren. Ich habe alle Schritte des Esri-Tutorials zum Extrahieren von Dächern aus Lidar-Daten befolgt. Ich habe alle Höhenlagen-Ebenen (DSM, DTM und nDSM) erstellt, indem ich alle Schritte der Aufgaben befolgt habe. Nach dem Ausführen des Extract roof form erhalte ich einen Fehler Die Parameter sind wie folgt: - minimale Fläche für Flachdach: 250 - minimale Fläche für geneigtes Dach: 75 - minimale Dachhöhe: 8 Zuerst erhielt ich nach dem Ausführen den Fehler 000735, der besagte, dass die Parameter ungültig sind. Nachdem ich mit den Parametern gespielt und andere Gebäudedaten verwendet habe, erhielt ich den Fehler 010423. Wer kann mir helfen? Grüße, Rens

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Fehler beim Extrahieren der Dachform aus Lidar-Daten

Rens_Vermeltfoort

<\/HEAD>

Hallo,

ich möchte die Dachformen von Gebäuden mit Lidar-Daten und Gebäuden von Amsterdam extrahieren.<\/P>

<\/P>

Ich habe alle Schritte des Esri-Tutorials zum Extrahieren von Dächern aus Lidar-Daten befolgt.<\/P>

<\/P>

Ich habe alle Höhenlagen-Ebenen (DSM, DTM und nDSM) erstellt, indem ich alle Schritte der Aufgaben befolgt habe.<\/P>

Nach dem Ausführen des Extract roof form erhalte ich einen Fehler<\/P>

<\/P>

Die Parameter sind wie folgt:<\/P>

<\/P>

- minimale Fläche für Flachdach: 250<\/P>

- minimale Fläche für geneigtes Dach: 75<\/P>

- minimale Dachhöhe: 8<\/P>

Zuerst erhielt ich nach dem Ausführen den Fehler 000735, der besagte, dass die Parameter ungültig sind.<\/P>

Nachdem ich mit den Parametern gespielt und andere Gebäudedaten verwendet habe, erhielt ich den Fehler 010423.<\/P>

<\/P>

Wer kann mir helfen?<\/P>

<\/P>

Grüße,

Rens<\/P><\/BODY><\/HTML>

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Accepted answers

HeatherSmith

The lesson Extract Roof Forms for Municipal Development has been fixed and updated for the latest software versions.

All comments

Gert_van_Maren

Hi,

Could you share some of the data so I can debug?

Gert

OdysseasKaratzaferis

I am still getting the same error detailed in the original question while using the current Solution for extracting roof forms in my local area. Any suggestions?

HeatherSmith

The lesson Extract Roof Forms for Municipal Development has been fixed and updated for the latest software versions.

G__AndrewFricker

Jen Ames‌ I ran back through the whole "Local Government 3D Basemap" process as well, I did skip a few of the optional steps like the 'split buildings using features' step, because I didn't have feature to use, but I got the same error again at the 'Roof Slope Angle' step. I feel like I must be missing something because I can't get it to run through once with any results. Any tips?

HeatherSmith

Hi all,

I apologize that this lesson is causing you some problems. We are currently working on updating the workflow, and will post to this thread once it is released. In the meantime, you should refer to this workflow instead: Local Government 3D Basemaps. You can navigate through the lesson using the tabs on the left (Install add-in, etc.)

JenAmes

Daniel,

I'm receiving the exact same error that G. Andrew Fricker‌ received. I was able to get it to work successfully once, but was not satisfied with the results, and therefore went through the whole process again. I am receiving the error in the Local Government 3D Basemaps solution, in the Create LOD2 Buildings first step. I followed every step through from the beginning when I decided to re-do the LOD2 buildings, so did I somehow miss a step this time through that didn't calculate statistics? Where in the Local Government 3D Basemap solution would I find the step to calculate statistics? Can I just pick up from that step, re-do it while calculating statistics, and continue forward? Or will I have to repeat the whole process again?

DanielHedges

Hi Andrew,

This looks similar to the previous errors. Are you using the "Extract Roof Forms for Municipal Government" Learn Lesson, or the current Local Government 3D Basemap solution?

We are working on updating the Learn Lesson to be in line with the current solution, and should be updated shortly, but until then, the 3D Basemap solution is the current supported version of this workflow.

G__AndrewFricker

I'm also having a similar issue, I've worked my way through the local government tutorial and get a similar error message about the statistics (see message below). I went back and calculated the statistics for each of the three input rasters, but still get the message. I'm not sure how to calculate the stats for 'RoofSlopeAngle' as that's an intermediate layer that I don't calculate directly (I don't think).

Any help or guidance would be appreciated. Thanks you.

Gert_van_Maren

Hi Jen,

The Learn lesson is quite out of date, I believe.

The latest local government 3D basemap solution has the most up-to-date tools.

https://solutions.arcgis.com/local-government/help/local-government-scenes/get-started/

Can you try that and see if it works?

Gert_van_Maren

Hi Rens,

The Learn lesson is quite out of date, I believe.

The latest local government 3D basemap solution has the most up-to-date tools.

https://solutions.arcgis.com/local-government/help/local-government-scenes/get-started/

Can you try that and see if it works?

JenAmes

I am working my way through the "Extract Roof Forms for Municipal Government" lesson and have run the Extract Roof Form tool multiple times, always receiving the same error.
"Failed to execute. Parameters are not valid.
ERROR 000728: Field OBJECTID does not exist within table
Failed to execute (JoinField).
Completed script Extract Roof Form...
Failed to execute (ExtractRoofForm)."

I don't understand where OBJECTID doesn't exist from. It is in the building layer that I input, and all of the other layers are raster, so don't have OBJECTID fields. Where else would this tool be looking for that field? Why does it run through 30 minutes of steps to fail because supposedly OBJECTID doesn't exist?

Rens_Vermeltfoort

Hello Megan,

Thank you for you answer!

I calculated the raster statistics on the DSM, DTM, and nDSM. Still the same errors occurs. Everything works until the marking feature class and the error 000735 keeps occurring. Do you have a solution for this?

Greetings Rens

megan-r

Hello Rens,

The most recent error (010423) generally occurs when the statistics for the input raster have not been calculated, contain a skip factor greater than 1, or contain an ignore value. Use the calculate statistics tool to make sure that statistics have been calculated on RoofSlopeAngle.

010423: does not have valid statistics as required by the operation.—Help | ArcGIS Desktop

Calculate Statistics—Data Management toolbox | ArcGIS Desktop

After calculating statistics for the raster, are you successfully run the script? If not, are you getting the same error message?

Best,

Megan

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