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Data Source
Note that this tab is present only when a project was created succesfully!
In this tab user sets up sources necessary for the following work. Both terrain texture and terrain heightmap can be stored anywhere on your HD.
This tab is enabled once a project has been created or disabled if there's at least one location imported, in other words, user is not allowed to change source data while there may be still some uncommitted changes.
This texture will be mapped on terrain mesh. If terrain texture is not being provided user is still allowed to import a location without a texture.
When user clicks the Accept button in file browser, bLT creates a preview image which will be used in the 2D map while selecting a location. If texture's resolution is:
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< 5000x5000px - texture is just copied from the source folder and renamed to ProjectData\Texture\previewSatTex.png
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5000x5000px - texture is resized to 5000x5000px at first and then copied and renamed to ProjectData\Texture\previewSatTex.png. Because of resizing, texture has to be loaded into memory and this process may take a longer time, depending on the resolution of original texture and user's HW setup
Height and width of a texture must be the same(eg. 12000x12000 px). Currently there's no check in code for that.
Heightmap is used to add an elevation to a grid based mesh. It is mandatory to have a heightmap set to import a location!
When user clicks the Accept button in file browser, bLT creates a preview image in the form of a shaded relief which will be used in the 2D map while selecting a location. Preview image is stored in ProjectData\Texture\previewTerTex.tif in the resolution of the original heightmap.
Once heightmap is defined, '+' icon in the Locations Manager tab gets enabled and allows user to import a location.
Currently supported is the ARC/INFO ASCII GRID(*.asc) only.
RV engine(Arma series, DayZ) supports only 256x256, 512x512, 1024x1024, 2048x2048, 4096x4096 resolution of a heigthmap.
RV engine(VBS series) supports arbitrary resolutions, but it still must be a square(eg. 3000x3000)