地形夸张函数不起作用？
请问我使用这段代码想修改地形夸张系数为什么不起作用？osgEarth::MapNodeOptions mapNodeOptions = mapNode->getMapNodeOptions();
osgEarth::TerrainOptions terrainOptions = mapNodeOptions.getTerrainOptions();
terrainOptions.verticalScale() = 50.0;
mapNodeOptions.setTerrainOptions(terrainOptions);
ElevationLayerOptions elevationOpt;
elevationOpt.driver() = mapNodeOptions;
ElevationLayer* layer = new ElevationLayer(elevationOpt);
mapNode->getMap()->addElevationLayer(layer);
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