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https://www.fsdeveloper.com/forum/threads/glider-accessories.445461/post-824152
Perhaps the following may help illustrate the options and challenges available when making CVX vector 'sloped flattens' for FS.
The top image shows the detail available in a 1 Meter-between-elevation-data-points terrain source data set rendered as a TIN:
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The bottom image shows the complexity required to render a 1 Meter-between-elevation-data-points terrain source data set as a vector TIN:
![]()
Its is possible using the options I alluded to above, which IMHO, would best be performed via a work-flow in SBuilderX, to make a much less complex version of this TIN surface as a CVX vector sloped flatten.
That "sloped" flatten can be created so that when rendered at run time in the FS 3D world, it contains a mix of surfaces which are:
* 'Level' and perpendicular to a line drawn through the vertical axis of the 3D object's midpoint datum from the center of the Earth
...as well as:
* 'Parallel' to the local terrain surface rendered by a local terrain mesh (which may or may not be "sloped" under a 3D object's base).
The option to use Pitch / Bank requires that MDLs must be output by MCX with Draw Call Batching disabled (this is MCX' default mode).
If you import your custom 3D MDLs (with Draw Call Batching disabled) into ADE as scenery library objects, they can be placed via ADE.
After a MDL is placed by ADE, select and Edit its placement attributes, and impose any Pitch / Bank desired, bearing in mind that such attributes are applied and rendered on the axes of the 3D object relative to its datum position within the extents of its bounding box.
Achieving predictable results with this when placing 3D objects via a FS utility that does not have a 'live in FS preview', requires 3D models have a consistent Heading on its 3D world axes (ex: Front of 3D models always face North aka "0 Degrees") when modeled and exported from Sketchup.
Please let me know if this has explained core concepts of this process adequately ...before we work on a sloped flatten in SBuilderX.
GaryGB
https://www.fsdeveloper.com/forum/threads/glider-accessories.445461/post-824092
Hi Ollie:
As described above:
https://www.fsdeveloper.com/forum/threads/glider-accessories.445461/post-823419
...since by default MCX disables Draw Call Batching in exported MDLs, that results in retention of the option for Pitch and Bank display attributes during placement by P3D SimDirector.
Technically you could change the default setting in MCX Options Arno had configured which disables DrawCall Batching
...from:
MCX Menu > Options > Exporter settings > XWriter > DrawCallBatchingWorkingLOD = True
...to:
MCX Menu > Options > Exporter settings > XWriter > DrawCallBatchingWorkingLOD = False
...which enables DrawCall Batching, and thereby disables display of Pitch and Bank display attributes in FS at run time otherwise imposed via placement by P3D SimDirector.
This can be achieved by implementing that change in MCX Options, for only those 3D models which you wish to display "level" to the local ground of the underlying terrain mesh prior to export by MCX as MDLs.
FYI: There is another option to be considered if you wish to remove 3D model Pitch and Bank display attributes in FS at run time otherwise imposed via placement by P3D SimDirector.
That process involves de-compiling and editing the placement BGL output by SimDirector, setting parameter values for Pitch and Bank to "0", then re-compiling the edited (s)XML back into a BGL via P3Dv4.x SDK BGLComp.
I do understand that in 'real life' the site where you are presently working may have been made "level" in areas where the tanks are located, and regardless of whether local ground surface is ex: gravel or pavement, you may still wish to accurately represent that in FS.
BTW: A "sloped flatten" CVX vector BGL can also contain areas that are 'level' as well as areas that are 'sloped' as part of the same set of contiguous 3D surfaces, since that object will essentially be constructed as a Triangulated Irregular Network (aka "TIN").
Please be assured I am ready, willing, and able to proceed with assisting you to create the "sloped flatten" CVX vector BGL for the above scenery location under discussion here, within your new thread at:
https://www.fsdeveloper.com/forum/posts/824030/
I just wanted to make you aware of your options to minimize the work required to disable display of your tank Pitch / Bank, before we undertake the complexities involved in making a "sloped" flatten CVX vector BGL , which will blend into- and modify- the local ground 'shape' ...otherwise provided for that area by any / all underlying terrain mesh BGL(s).
I shall once more await your reply here, to let me know if you wish to test these latter options to disable display of Pitch and Bank display attributes in FS at run time otherwise imposed via placement by P3D SimDirector ...before I proceed with describing the multiple steps required to make a blended / "sloped" flatten CVX vector BGL) ...in your new thread within the SBuilderX forum.
https://www.fsdeveloper.com/forum/threads/glider-accessories.445461/post-824071
The sloped flatten is intended to blend into the surrounding, but mainly so I can more easily place objects, and so it realistic. Sure there are some slopes at Southdown, but not to the degree the mesh portrays them.
Thanks, Ollie.
I am aware of potential issues with UK GIS elevation source data recently made available, which may impact how existing UK terrain mesh BGLs might have been made previously, and how new UK terrain mesh BGLs might be made in the near future, and I will be checking with my local contacts to verify a few things about what may be done to more precisely represent this scenery area and surrounding region of the UK.
GaryGB
Additionally. lets review an option you have to place your 3D scenery objects without incurring Pitch and Bank attributes simply by implementing Draw Call Batching via an edit in the MCX > Options dialog before importing a 3D Model:
MCX Menu > Options > Exporter settings > XWriter > DrawCallBatchingWorkingLOD = False
https://www.fsdeveloper.com/forum/threads/glider-accessories.445461/post-823847
Hi Ollie:
Assuming you wanted to make a "flatten" for the entire area of the facility containing the latter objects cited above, I would recommend using SBuilderX to do that, so your existing custom imagery BGL will be in precise alignment with the CVX vector ABP-type 'sloped flatten' vertices.
![]()
Bearing in mind that you previously stated you have these scenery packages installed in P3Dv4.x:
https://www.fsdeveloper.com/forum/t...images-scale-increase-size.445452/post-823001
OrbX FTX Global Vector
OrbX FTX Global openLC Europe
OrbX FTX EU England
NOTE: The OrbX FTX EU England product page at: https://orbxdirect.com/product/eng
...states that it includes: "10m Holgermesh for crisp definition", so you will be blending a CVX vector sloped flatten into a 10 Meter-between-elevation-data-points terrain mesh provided by OrbX FTX EU England.
UPDATE: Reportedly, the distribution version of that scenery is 5 Meters- rather than 10 Meters- at Southdown.
The real world 'lay of the land':
![]()
Additional Views:
https://www.geograph.org.uk/more.php?id=2340605
![]()
https://www.geograph.org.uk/more.php?id=2340605
![]()
Also, here's a PDF with a local map of "assets" ...including that sewage processing site (see upper Left NW corner of map):
https://www.horsham.gov.uk/__data/assets/pdf_file/0019/28603/Inset18_Storrington_2015.pdf
GaryGB
You would then have needed to re-export those 3D objects into new MDLs packaged as a scenery library object BGL.![]()
To continue with a review of the pending task above:
https://www.fsdeveloper.com/forum/t...d-into-ftx-eu-england-mesh.445544/post-824900
I have done that and I get the 'new' mesh as shown in the image.
Ollie.
In SBuilderX work-space:
SBuilderX Menu > View > Show Background ...to display Background imagery at 'zoom level 18'
Now, to download tiles via SBuilderX at 'zoom level 20' (LOD-20 @ 3.5cm/pixel):
SBuilderX Menu > File > Add Map > From Background ... < SBuilderX - Add Map From Background dialog opens >
In SBuilderX - Add Map From Background dialog > Number of Tiles > 'Tick' radio button: "44 x 28 at Zoom = 20"
Click [OK] button, and follow any prompts that appear anywhere on screen within that same dialog above
Back in SBuilderX work-space, select all resulting downloaded imagery tiles, and compile your imagery BGL at maximum visual quality via:
SBuilderX Menu > File > BGL Compile ... > 'Check' "Photo Scenery" check-box > 'Click' [Compile] button
In P3Dv4.x Scenery Library GUI, add a new Area at the top layer position for the folder chain containing your new (LOD-20) imagery BGL