That's it! Now, you probably want to see how it looks on your aircraft, which is explained in the next sections. and save the image in your aircraft's directory. When the lightmap is finished, click Image > Save as.You will see the lightmap being created bit by bit. Change your mainwindow (or add an extra window) to UV/Image editor.Blender will now start generating your lightmap.
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Select Full render and click the big Bake button. Go to the Scene menu ( F10) and open the Bake tab.Go into editing mode and then back to object mode (to load the object's texture). Select the object you'd like to create the lightmap for.Softer edges create a more natural look for most aircraft lights. SpotBl: softness of the spotlight edge.SpotSi: width of the spotlight beam in degrees.Dist: the distance (in meter) at which the light intensity is half as intense as at the source.Select the lamp (right mouse click) and open the Shading menu ( F5).Note: leave the scale tools untouched, scaling the lamp does NOT affect the lightmap. Move/rotate the lamp to the prefered location/orientation.Spotlight: for lights in a specific area/direction.Area: long/large lamp areas, like instrument panel lighting where fluorescent lamps are used.Can be used for anti-collision lights, navigation lights etc. Lamp: spreads light in all directions.The light will be created in the model's origin. Go to Add > Lamp, and select on of the lamp types.This can be done by hand, or via some 3D Software, like Blender (which will be used in the example on this page). You'll have to create a lightmap for every single texture that is meant to be lightmapped. Some Rembrandt enabled aircrafts replace illumination with emission animations when Rembrandt is not operable, but lightmap will be a more amenable alternative, without requiring a computer power-house. Altough a more common practice is to set illumination of faces with Rembrandt, lightmap is a good approach to create realistic illuminations when Rembrandt can not be (graphics card lower resources) or is not (-disable-rembrandt) used.Unlike a textranslate animation, where you change between day/night textures (often being too dark during dawn/dusk). Lights look realistic at all times of day.Useful if you want to add some dirt to your panels, later on. We can edit the colors of a texture, without interfering with the lighting.They allow us to light surfaces without the need for creating alpha layers (like formerly used on many aircraft).The darker a pixel on the lightmap, the less emissive the corresponding pixel will be on the color/photo texture.
Boeing 747 exterior with lightmapped fuselage and tail.Ī lightmap is a texture that contains the brightness of surfaces in a computer graphic.
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