extra explanation on customTilesetOptions.json

[ohadmanor]

Hi, can you add help to the missing parameters?

thanks

{ "longitude": -1.31968, // Tile origin's(models' point (0,0,0)) longitude in radian. "latitude": 0.698874, // Tile origin's latitude in radian. "transHeight": 0.0, // Tile origin's height in meters. "minHeight": 0.0, // ?? units?? "maxHeight": 40.0, // ?? units?? "tileWidth": 200.0, // ?? units?? "tileHeight": 200.0, // ?? units?? "geometricError": 200.0, // ?? units?? "region": true, // Using region bounding volume. "box": false, // Using box bounding volume. "sphere": false // Using sphere bounding volume. }

[PrincessGod]

@ohadmanor Hi.

Actually these values not vary easy to use for everyone. So I am not put it in README. But I can explain it if you need.

minHeight, maxHeight, tileWidth, tileHeight is manually specify the tile size, each parameter is in meters. And by default I will compute tile size by your model bounding box, so it not necessary to specify.

geometricError determine if the tile show or not by a screen-space range. The easy way to understand is if it bigger then will show when closer, if it small then will show when far, if it is 0 will be always show no mater camera close or far away. So I guess the unit is pixel?

For more information about geometricError can be find in 3d tiles spec;

[ohadmanor]

Hi,

thank you for the answer,

I try to change the tile size parameters but the "transform" stay the same.

I think that the tile accuracy depending on the tile size, I don't now if it is a tile size calculation.

can you help my to fine the correct function and put the tile size manually?

thanks

Ohad

[PrincessGod]

@ohadmanor Hi.

I don't know what you want, but about the calculation you can read 3d tiles spec, also about the config json file's calculation in this file.

Hope that can help you, BW.

[ohadmanor]

Hi,

I'm trying to solve the position deviation of the tile, the center is accurate but when you move to the edge it go bigger and bigger.

from the code I can understand that the "transform" calculation error comes from the function: var tileTransform = wgs84Transform(longitude, latitude, transHeight);

where can I find the calculation?

thanks

Ohad