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Stairwell to a Cellar

L

laurieh

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62
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unitedkingdom
I have made a model which includes a stairwell to a cellar. The problem is that when converted (FS2004) the surrounding ground level appears in the well, blocking off the stairs.
The top of the stairs and sides of the well are above ground level.
I tried using a canopy overhead and also using glass at ground level, but it converted as a solid surface.
What have I missed?
cheers
Laurie H
 
Hello:

Using ADE9, one might:

1.) make a Area16N flatten area slightly larger than the building's foundation that lowers ground level under the cellar

2.) place the building within that small flatten area

3.) cover at ground level the area between the building's foundation and nearby ground with Ground Polygons (aka "G-Polys")


NOTE: When using flattens to adjust the terrain elevations in either FS9 (or FSX), it is important to decide what terrain mesh resolution you intend for your airport to be used with, because the terrain mesh "shape" may change with different factors.


Factors which may may change FS terrain mesh "shape" at run time include:

1.) Internal resolution of loaded local terrain mesh BGL files ("density" of the terrain mesh grid expressed in Meters between elevation data points)

2.) TERRAIN_MAX_VERTEX_LEVEL (aka "TMVL") setting in your active FS9.Cfg file

3.) FS GUI terrain mesh complexity slider setting (set at 100%)

4.) FS GUI terrain mesh resolution slider setting (FS2004: must be set in FS9.Cfg)


FYI: For additional details on the impact terrain grid mesh resolution and "aliasing to quad matrix area points" may have on 'precision' of placement for vector content vertices (including "flat", or "tilted / sloped" flattens to blend the edge of the airport background / RWY flatten into the surrounding terrain elevations)... see these threads:

http://www.fsdeveloper.com/forum/showpost.php?p=233056&postcount=13

http://www.fsdeveloper.com/forum/threads/flattens.425495/page-2

http://www.fsdeveloper.com/forum/threads/please-help-me-with-airports-on-hills.21545/


Hope this helps ! :)

GaryGB
 
Last edited:
Thanks Gary, I'll give it a try.

Being lazy I was hoping for a Sketchup fix so that I could use it as a direct model in ADE.

cheers Laurie H
 
You can try this: make a flat plane at ground level in SU with a hole for your stair. You can put a photo type texture on it, or just color it. It will cover the hole left from your flatten and you can use MCX to give it a hard surface. You could even convert the plane to a custom ground polygon if you wanted to get tricky, here's my contribution to the Wiki about how to do it:
http://www.fsdeveloper.com/wiki/index.php?title=SketchUp_Ground_Polygons
 
Thanks again rk
With my limited expertise I'll work on it.
The photo texture will be the first I think.

cheers Laurie H
 
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