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This article mainly shows you "how to load a single model in Cesium", the content is simple and clear, hoping to help you solve your doubts, let the editor lead you to study and learn "how to load a single model in Cesium" this article.

Cesium supports loading a single 3D model, the commonly used model format is: gltf,glb, these models can be converted from 3dmax, obj and other 3D model format. The official website of Cesium also lists the ways to load a single 3D model, according to the detailed code.

The detailed code is in the Cesium example: 3D Models.html page

The model file for the sample is in the folder of: SampleData

The following is the detailed code for loading the model:

/ / location information, x, y, height information

Var position = Cesium.Cartesian3.fromDegrees (- 123.0744619, 44.0503706, height)

/ / the three directions of the model and the three directions of the three corners in the three-dimensional space can be seen in the figure above.

/ / schematic diagram of small aircraft (where direction corresponds to heading and tilt corresponds to pitch)

Var heading = Cesium.Math.toRadians

Var pitch = 0

Var roll = 0

Var hpr = new Cesium.HeadingPitchRoll (heading, pitch, roll)

/ / to make a conversion according to the position and the set corner information

Var orientation = Cesium.Transforms.headingPitchRollQuaternion (position, hpr)

/ / A single object is usually placed in an entity, and a solid object is added

Var entity = viewer.entities.add ({

/ / set position and steering information

Name: url

Position: position

Orientation: orientation

Model: {

/ / the path of the model

Uri: url

/ / scale of the model

Scale:1.0

/ / the smallest pixel size

MinimumPixelSize: 128

/ / maximum display scale

MaximumScale: 20000

}

});

The loading effect of the model, when the code is used, remove the comment information:

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