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Unigine::TerrainGlobalLods Class

Header:#include <UnigineObjects.h>

This class is used to manage a group of LODs (level of detail) of the global terrain object.

TerrainGlobalLods Class

Members


int getDataFormat()

Returns a value indicating current image format for the tile data.

Return value

Tile data image format. One of the Image::FORMAT_* values.

int getDataType()

Returns a value indicating current image format for the tile data.

Return value

Tile data image type. One of the Image::IMAGE_* values.

int getMaskFormat()

Returns a value indicating current image format for the tile mask.

Return value

Tile mask image format. One of the Image::FORMAT_* values.

void setNumLayers(int layers)

Sets the number of layers of the LOD group.

Arguments

  • int layers - Number of layers.

int getNumLayers()

Returns the number of layers of the LOD group.

Return value

Number of layers.

int getNumLods()

Returns the total number of LODs in the group.

Return value

Total number of LODs.

int addLod()

Adds a new LOD.

Return value

1 if a new LOD was added successfully; otherwise, 0.

void insertLod(int num)

Inserts a new LOD at the specified position.

Arguments

  • int num - Position to insert a new LOD at.

void removeLod(int num)

Removes the LOD with the specified number.

Arguments

  • int num - LOD number.

void clearLods()

Removes all LODs.

int fetch(const BoundSphere & bs, const BoundBox & bb, int force = 0)

Loads the data of all LODs for the tiles within a given bounding box and a bounding sphere.

Arguments

  • const BoundSphere & bs - Bounding sphere.
  • const BoundBox & bb - Bounding box.
  • int force - Force flag. Use 1 to load files in any case; otherwise, 0. The default value is 0.

Return value

1 if the data of all LODs was fetched successfully; otherwise, 0.

int getType()

Returns the type of LODs.

const char * getName()

Returns the name of the LOD group.

Return value

LOD group name.

Ptr<TerrainGlobalLod> getLod(int num)

Returns the LOD with a given number.

Arguments

  • int num - LOD number.

Return value

Pointer to TerrainGlobalLod.

String getVideoMemoryUsage()

Returns information about the total video memory usage for all LODs in the group.

Return value

Total video memory usage for all LODs.
Last update: 2018-04-26
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