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P3D v3 [SOLVED] Do Exclusion rectangles work differently in P3d ?

Jay Bloomfield

Jay Bloomfield

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I've been using ADE to make airports for personal use for awhile now, but I've never encountered the following issue before. I'm using the latest ADE beta (1.67.5876), Windows 10 and P3d 3.1. ADE is using the P3d V3 SDK. I made a version of KILM, which has two crossing runways (17/35 and 6/24). The airport boundary for RL KILM is somewhat larger than the stock boundary.

As I normally do, I started out by creating a:

Exclude Specific/Airport Backgrounds Flatten MaskClassMap Autogen

that intersects the runways and the edge of the stock airport outline, as per jvile's "tutorial" at:

http://www.fsdeveloper.com/forum/threads/landclass-visibility-problem.15173/

Then went to the next step and drew:

Airport Background/Flatten MaskClassMap Exclude Autogen

At this point, I compiled the airport, started P3d, added the airport to the P3d scenery library and took a look at the new airport. To my surprise, there was a big swath of autogen suppression in the northerly triangle outside the new airport boundary but between the two runways. I then went back to ADE and deleted the Airport Background polygon, recompiled and took a look at the airport again.

This time, the stock airport boundary was partially visible except where the Exclude Specific polygon was located. I don't even recall seeing this before in P3d V2. Can someone confirm that this isn't either Windows 10 stealing my lunch money or an operator error on my part?

I worked around the issue by just forgetting about the Exclusion Polygon altogether and just adding 4 "daughter" Airport Background polys attached to where the stock airport boundary starts. No Autogen suppression occurred, even after adding all the new aprons, gates, taxiways, etc. and inserting all my library objects, GP objects and terrain polys.
 
As I normally do, I started out by creating a:

Exclude Specific/Airport Backgrounds Flatten MaskClassMap Autogen
Click to expand...

Hello Jay

You do not say what method you used to exclude the specific.

KILM like many other airports in FSX are using the QMID 15 cells for the Mask Class Map. You have 2 choices to get rid of the airport background.

1. Use the bounding box method since there are 7 individual airport backgrounds used to make one complete mast class map (see picture).

fsscr004.jpg



2. Use the actual shape geometry method which requires you to draw the exclude slightly smaller then the actual airport background. Use the boundary fence as a guide.

 
Thanks, that makes sense. I used a rectangular terrain exclusion polygon (like the link to the original "tutorial" thread that you posted in). But I can see why that didn't work correctly from your QMID map. I should have figured it out myself from looking at a QMID map, because the weird autogen suppression was defined by the QMID boundaries.

I will use the shape geometry method from now on, since that will work no matter what.
 
Hi Jay:

Legacy-format FS SDK BGLComp-compiled "Exclusion Rectangles" (always aligned on the N-S-E-W FS 3D -world axes) should, IMHO, always be distinguished from the newer-format FSX SDK SHP2VEC-compiled "CVX Vector Exclusion Polygons" by discrete use of "Rectangle" versus "Polygon" ...to help other readers better understand what your work-flow involves. ;)

GaryGB
 
Sorry, let me explain again what the issue was. I was using the exact workflow described in this thread and have been for other airports in the past:

http://www.fsdeveloper.com/forum/threads/landclass-visibility-problem.15173/

from that thread:

"Second part is to add an Exclude to the FSX default airport with ADE. I draw a rectangle called a bounding box and select

Type: Exclude Specific
Tag: Airport Backgrounds Flatten MaskClassMap Autogen

This is going to do 3 things.

1. Remove the flatten
2. Remove the Airport Background (Mask Class Map)
3. Remove any Autogen that is part of the actual airport.

If you use the Type: Exclude General and the Tag: Airport Backgrounds or Everything you must be very careful drawing the exclude. If it is too large or goes outside the bounds of the stock airport background this can cause other parts of the scenery to be deleted."

Note that the exclusion is a polygon (light blue color), not an exclusion rectangle (orange) which I can't remember the last time that I manually inserted an exclusion rectangle for anything in ADE, since it generates its own exclusions. Note from the figure, that the polygon does not cover the entire stock airport, but just enough to eliminate the airport background. What I missed and jvile pointed out above is:

"VERY IMPORTANT NOTE

The above picture shows a single shape polygon exclude in the center of the airport. This is all that is required for this airport as per the SDK since the stock Mask Class Map is a single shape within a QMID cell. See next picture."
 
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