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Export to collada

Anonymous User

I used topografy footprints of buildings to make multipatch features by extrusion. Then I tried to export one building to collada and the export went fine, but when I opened the file in Sketchup 7.1 I got a warning (selected yes to go on) that the model could not be verified and then nothing was imported.

I also tried to replace a model with the one I exported in a previous step and all I got was a garbled building (missing triangles).

Does anyone have any experience with such workflow ie. export from ArcGIS 10 to collada->edit in Sketchup->import to ArcGIS 10?

Importing a sketchup model made entirely in Sketchup works fine though even with textures.

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LechKar_owicz

It depends on the final effect you want to achieve. In my opinion it's much better to work on single models, and then import them to ArcGIS with replace model option for single building footprints. This way you will have a multipatch layer with every building as a separate feature. Then you can select single buildings or use the layer for analytical purposes (provided that the multipatch models are closed geometry) eg. selecting all the buildings that are intersecting with some other multipatch (eg. radius of some kind of phenomenon). You can also have per-building attributes stored in the layer. If you have one feature for all the multipatch you can't, as far as I know, divide it to single buildings (AFAIK multipart to single part does not work) and you can have attributes defined only for all the layer (the only feature in the layer).
But if you want to have all the buildings in one model, you should be able to union the extruded footprints into one feature and then export them as one object into collada.

And as a sidenote the only 3D formats that support georeferencing are to my best knowledge: VRML, OpenFlight and collada (version 1.5 - ArcGIS uses 1.4 specification), so the best way to maintain your georeferencing data is by means of GIS layers (building footprints, point shapefiles, multipatches). You can replace certain objects in those layers with your externally edited models (by means of symbolising features with 3D symbols, or by replacing features in multipatch layers with your models).

AdamSmith3

I'm looking for help with exporting large quantities of buildings features for external modeling? I have 2d building footprints and want to export them from ArcGIS10 to Sketchup (or ideally another 3d package) to model building heights and other details, and export them back into ArcGIS.

I am able to convert the layer to multipatch, and multipatch to Collada, but this then produces a collada file for each individual buildings. I am then able to import them to Sketchup, but only one at a time, and they don't appear to be spatially referenced in relation to each other, they simply load at the origin.

Anybody have any advice on working with multiple features, rather than 1 at a time?

Thanks

LouisOrtiz

i am very much in this issue.

machintruc

Excellent !! You give me the solution, thanks a lot.

UnagaevAlexei

Hi everybody,

I have a problem to export Multipatch to Collada in Arcscene 10. This error appears during the process, and I don't undertand why :

ERROR 001099: Unable to write 1.dae due to XML failure.
ERROR 001099: Unable to write 2.dae due to XML failure.
ERROR 001099: Unable to write 3.dae due to XML failure.
.
.
.
Failed to execute (MultipatchToCollada)

Can you help me on this problem?
Thanks a lot in advance

An output path to files you create doesn't contain spaces in it's name - try to choose same folder, for example: c:\project.

machintruc

Hi everybody,

I have a problem to export Multipatch to Collada in Arcscene 10. This error appears during the process, and I don't undertand why :

ERROR 001099: Unable to write 1.dae due to XML failure.
ERROR 001099: Unable to write 2.dae due to XML failure.
ERROR 001099: Unable to write 3.dae due to XML failure.
.
.
.
Failed to execute (MultipatchToCollada)

Can you help me on this problem?
Thanks a lot in advance

ionutrus

I replaced with .dae file and save my edits but when i import again in ArcScene the textures is gone.I don't understand why...

JakubSisak

I am using ArcGIS 10 and Sketchup 8. Multipatch to Collada was successful but when i imported the .dae file in Sketchup, there's a warning and when i go on it failed. Same with KMZ file.

Hope anyone can help me to figure out what was the problem...

Yes. KMZ exported from ArcGIS 10 is NOT compatible with Sketchup 7, 8. (Works with Google Earth but crashed on import to SketchUp) As a result it's no longer possible to export point and line features into SketchUp. Collada works fine for me. I sometime get error messages, but ignore them and things seem to work.
How large is your dataset?

ErnejunCorvera

I am using ArcGIS 10 and Sketchup 8. Multipatch to Collada was successful but when i imported the .dae file in Sketchup, there's a warning and when i go on it failed. Same with KMZ file.

Hope anyone can help me to figure out what was the problem...

CANTechSupport_GenericAccount_

Thanks very much JS, I'll have a look at those files.

Judith

Anonymous User

Hello Judith,

I put both .dae files in a zip and attached it here. I just replaced all commas with points and now it imports normally back to multipatch (replace model in ArcScene edit mode) or sketchup.

There is one more annoyance. When you import your .dae model to esri and then export it back to .dae and then import to sketchup, you end up with more faces because some of the triangles are not coplanar anymore...this is most like due to some rounding errors.

collada_models.zip

Nathan Shephard

Thanks for the details (and debugging info), JS. We'll investigate the Export to COLLADA tool in regards to this issue and attempt to get a solution into 10.0 SP1.

Thanks, Nathan.
3D Team, Esri

JakubSisak

i am very much in this issue... can you post the two files?

JudithSchwartz

Hello JS,

We are experiencing a similar issue with the Multipatch to Collada tool - many of the textures are lost when we import the .dae back into ArcGIS with the Import 3D Files tool. Would you mind sending me your .dae files (both the incorrect .dae, and the .dae you altered). I'd like to compare them against the .dae I'm getting to see if I can pinpoint what is causing the problem.

Thanks very much!

Judith
jschwartz@esricanada.com

Anonymous User

Well, I figured it out on my own. It's due to a localized version of Windows. Export to collada writes the decimal separtor with a comma(!) instead of a point. If I replace commas with dots in the .dae file then textures and all dimensions are perfect when collada model is imported to Sketchup or back to multipatch.

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