Weather Adjustment

By adjusting time and sky weather parameters, it simulates realistic weather lighting effects.

When used in a spherical scene, first ensure that the geographical origin is set. Then adjust the scene view to first-person perspective to experience more realistic weather lighting effects.

  1. Click the Scene->Weather Adjustment button to open the adjustment panel.
  2. The default time is the computer's local time. You can change the sunlight effect by adjusting the timeline slider.
  3. Click to enable the Sky Weather System, and select from various weather presets such as sunny, cloudy, rainy, snowy, etc., as needed.

  4. Based on the selected weather, you can further adjust according to specific parameter values.

  5. Wind Direction: Affects the movement direction of volumetric clouds;

  6. Wind Speed: Affects the movement speed of volumetric clouds;

  7. Raindrop Count: The number of raindrop particles in rainy weather;

  8. Puddle: Simulates the reflection effect of puddles on the ground;

  9. Snowflake Count: The number of snowflake particles in snowy weather;

  10. Snow Accumulation: Simulates the effect of snow accumulation on the ground;

  11. Color Adjustment: This parameter only affects the appearance of sky weather objects;

  12. Sun: The main light source in the scene;

  13. Sky Light: The auxiliary light source in the scene;

  14. Volumetric clouds, atmosphere, height fog, volumetric fog, volumetric light, etc., are consistent with the concepts in UE. Refer to UE's documentation for details.

  15. Skybox: A background that surrounds the data using a sphere. It allows users to use skybox textures in HDR format. Before referencing, place the corresponding skybox texture assets in the specified location of the plugin package. The specific location is: \Plugins\SuperMap HiFi 3D SDK for Unreal\Content\Resource\Sky