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FAQ

  • iServer
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  • iClient
  • Q: How does the Visibility Analysis change the position of the observer point and let the analysis line move with it?

    Change the x, y, and z values of “sightline.viewPosition”.

    07 Jan,2020 WebGL
  • Q: The added polygon entity object cannot set the wireframe

    Only after setting the height of the polygon entity, you can set the wireframe of it.

    07 Jan,2020 WebGL
  • Q: After publish the oblique photographic model as a 3D service, browse it through WebGL in iServer, but it is super slow when loading it.

    1. Check whether a single file in the generated s3m cache files is too large. The most suitable size for a single s3m file is tens to hundreds of k.2. Do some operations in iDesktop such as Generate Agent Node, Build CompactFile and so on.

    07 Jan,2020 WebGL
  • Q: After publish the oblique photographic model as a 3D service, browse it through WebGL in iServer, but there is no data.

    1. When publishing a service through iServer, the workspace file is exclusive, so it needs to be closed.2. The generated s3m cache files need to be placed in the same directory as osgb files.3. The disk which stores the model has no permission to read data. Open the properties window of the storage disk and modify its permissions.

    07 Jan,2020 WebGL
  • Q: The point data with style was generated to be cache, the cache which was published to be service, but nothing shows up when adding the service in WebGL.

    See if the generated cache has style when open it in iDesktop and browse it in iServer. If it has style in iDesktop but it has no style in iServer, the problem might be that the name of cache file has a # sign, cut out the # sign.

    07 Jan,2020 WebGL
  • Q: How to update the expired key of BingMap in WebGL?

    Apply for a new key on BingMap website and set “Cesium.BingMapsApi.DefaultKey”.

    07 Jan,2020 WebGL
  • Q: When adding the oblique photographic model in WebGL, the brightness of it was insufficient and looks darker?

    Set the “hasLight” of the oblique photographic model layer to false.

    07 Jan,2020 WebGL
  • Q: Why the terrain data which was published by iServer didn’t show when adding it in WebGL?

    1, check whether the terrain data was generated as TIN cache. 2, if the project was published by IIS, “mime” filtering should be added.

    07 Jan,2020 WebGL
  • Q: Can dynamic layer only load s3m models in WebGL?

    Yes, dynamic layer can only load s3m models.

    07 Jan,2020 WebGL
  • Q: How to solve the problem of loading the model in WebGL and blackening the texture after zooming in?

    Texture blackening is due to the size of the texture is not 2 to the power of n, there are two solutions: 1, modify the texture size and import the model again from modeling software to iDesktop; 2, do not check Texture Sharing when generating cache in iDesktop.

    07 Jan,2020 WebGL
  • Q: How does WebGL implement extension double-click events?

    By ScreenSpaceEventHandler.setInputAction, the type of the extension event is Cesium. ScreenSpaceEventType. LEFT_DOUBLE_CLICK.

    07 Jan,2020 WebGL
  • Q: How does WebGL implement 3D spatial queries?

    iServer provides 3D spatial analysis and 3D spatial query service. The front end can realize 3D spatial query through ajax request.

    07 Jan,2020 WebGL
  • Q: How to make the water surface data in WebGL?

    Configure the polygon layer by water surface symbol and generate the scene cache in s3m format in iDesktop.

    07 Jan,2020 WebGL
  • Q: Why there are some grids after setting the surface as transparent in WebGL?

    Add “viewer.scene.terrainProvider.isCreateSkirt = false;”.

    07 Jan,2020 WebGL
  • Q: How to change the 2D and 3D switching control and event that WebGL comes with?

    Close the original switching control and event, rewrite a front-end control and switching event, and replace the original one with the new one by “viewer.scene.Mode”.

    07 Jan,2020 WebGL
  • Q: The background color of image cache in WebGL can’t be set to transparent?

    No, it can be transparent. When setting the transparent color for image cache, set a tolerance for the transparent color, namely transperantBackColorTolerance.

    07 Jan,2020 WebGL
  • Q: How to remove the pickEvent listener in WebGL?

    Register listener:“function pick(feature){}viewer.pickEvent.addEventListener(pick);”Remove listener:“viewer.pickEvent.removeEventListener(pick);

    07 Jan,2020 WebGL
  • Q: How to make the flight route in iDesktop which can be used in WebGL?

    New a flight route under the Flight Manager in iDesktop, create a new site by mouse or scene camera, and adjust the corresponding parameters of each site.

    07 Jan,2020 WebGL
  • Q: How to get the attributes of the model when the system is initialized?

    You can publish the original dataset as a data service, and directly search the data service when initializing to obtain the attribute information of the model.

    07 Jan,2020 WebGL
  • Q: How to set the visible distance for all tag entities in SuperMap iClient3D for WebGL?

    Separately set the distanceDisplayCondition for each label entity (LabelGraphics), ex.:entity.label.distanceDisplayCondition = new Cesium.DistanceDisplayCondition(0, 1000);

    07 Jan,2020 WebGL
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