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in this tutorial we will see how to setup night huge scene without lights
let me show you how
this is our scene
1st step to put a VraySky as Environment
open material editor and drag it to clear slot as "instance"
change parameters as shown
now let's setup rendering
now let's setup rendering
for buildings we have to change glass material for widnows to VrayLight material
now let's make this trick
light streets and spaces
usnig splines and enable it in render and viewport with radial section and a siutable radius
draw splines on streets
add lines
now draw lines on spaces trees areas
open material editor and creat vray light material as shown
add GradientRamp map
change gradient
then assign this material to our spline
chagne the value of light material to 5
add UVWMap modefier to spline
change U Tiles to get this result
move the spline up
by right click choose Object Properties
then unchk Visible to Camera
Ready to render
the next tutorial will be about completing the post production for this render on Photoshop