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P3D v5 Processing step: CreateXMLExcludeRectangle

Clutch Cargo

Clutch Cargo

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My next challenge is to find a way to create airport boundary shapefiles to use them as a mask against vegetation. I did read about the step in the manual:

CreateXMLExcludeRectangle

So like I usually do, I created a very simple script to see if I can get any output whatsoever, or what's going on during the process to study:

ImportBGL|F:\P3Dv5\Scenery\0102\scenery\APX15170.bgl|*|GENERATE_FOOTPRINT
SplitGrid|LOD13|*
CreateXMLExcludeRectangle|*|EXCLUDE_ALL

ExportBGL|P3D v4|CHICO_X23_AM|B:\CHICO\Section_162\Masks Airport
ExportOGR|FTYPE="POLYGON"|ESRI Shapefile|B:\CHICO\Section_162\Airport BGLs|CHICO_X23_APP

This one was loaded with errors. I could not find a single post regarding this step in the forums. Does this step work? Maybe my script is so bad?

Error messages.jpg


Error messages002.jpg


Error messages003.jpg
 
i think you're making it more complicated than it needs to be,
if you want to exclude just add a filter rule just like you did here
 
I'm sure I agree. I think the issue is finding that filter. That's why I just tried "*" to see would give me any hints. How does P3D define the name of the airport boundary or tarmac? Mmmm... maybe it is Aiport Boundary Polygon. I keep reading this word tossed around. Might have to see if I need to de-compile an airport file (bgl? or what the other airprot files are.)
 
Hi,

The ImportBGL step only reads object placement information from the BGL file. So you will only get point features from it, not the airport background polygons.

The errors are because when creating an exclusion rectangle from a point feature the min and max latitude and longitude values are the same and that is not valid.
 
Gotcha... so what it is used for is different than what I thought. Well, that will save me time trying to explore this way. Researching a 2nd method that does not involve scenProc.

So I guess that raises a question for me, why call it 'CreateXMLExcludeRectangle'? Why not CreateXMLExcludePoint? Where is the rectangle created/introduced?
 
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You should feed the step with polygon features instead, then it will create rectangles. So you are feeding it with the wrong feature type.
 
If I could do that I would not need the step. If I feed it with the Airport Boundary Polygon I could just use that as a mask already and not have the need to create an exclude rectangle. I was assuming the step grabbed the ABP and made an exclusion from that. I think the airport boundary is in a cvx file (can't recall off the top of my head), but I don't think scenProc can import that type of file?

Not too worried as I will look into my other method.
 
No, scenProc can't import terrain vectors at the moment. If I have a lot of time to kill it's something I would like to add in the future, but that won't be very soon :)

There are other tools that you can use the extract the airport polygons and turn them into SHP files. I forgot the name of it though.
 
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