[Music]
hello and welcome to another video in
the onboarding series for v-ray for
sketchup let's take a closer look at the
various ways to create lights in v-ray
before we start it's a good idea to
click on the material override
when you toggle the switch all objects
will be overridden globally with
selected color or preferred material and
you can focus on the lighting without
being distracted from materials and
textures
now let's explore the light settings in
real time
go ahead and click on the v-ray vision
icon
vision is a render viewer inside a v-ray
that lets you explore your scene in real
time
let's see the first way to control the
lighting
from the shadows panel in the default
tray you can change the date and time to
achieve a realistic sun position based
on the physical location of the project
in relation to the cardinal directions
if you want greater flexibility in the
adjustment of the sun's position open
the lights tab in v-ray expand the right
fly-out menu and enable custom
orientation
from here you can change the sun's
position vertically and horizontally
let's look at other sun settings
the sun intensity controls the intensity
of the light the sun will produce and
the size multiplier controls the
softness of the shadows
that parameter can be very useful in
some situations such as when you want to
achieve a softer look in a bedroom
interior
now let's stop vision and demonstrate
another alternative in which v-ray
automatically sets the sun's location
click on the light gen icon
here you need to select the type of
space exterior or interior as well as
the light source sun and sky or hdr
then you need to specify the number of
variations that v-ray will calculate
based on the vertical and horizontal
position of the sky
click generate and let v-ray work its
magic
as you can see v-ray produced various
light scenarios represented by
thumbnails
just click the one you like and the sun
position will automatically be applied
along with the right settings for
exposure and white balance
go ahead and save that light gen set in
order to reuse it later instead of
configuring it all again
now let's explore the next light source
hdr
you can import and use your own custom
library or if you don't have one you can
use v-ray's hdrs
you need to specify the number of hdrs
and the variations to specify the number
of light scenarios that will be
generated
to do that you need to stop vision and
click on generate
this time though try to use
pre-configured and saved light
scenarios click on the load button and
choose the light set file
let's apply some lighting scenarios to
the scene
basically hdri stands for high dynamic
range image a high quality 360 degree
panoramic image that was taken in real
life
that real-life image wraps around the
entire scene and the light will come
from the specific image
let's try applying another lighting
scenario
i think this one will work best for the
scene
the third way to create environment
lighting is by using hdris from the
chaos cosmos library
when you find the one you like just
click download and import
when you open the asset editor you will
find it in the textures tab
go ahead and copy the texture and place
it in the texture slot of the dome light
created in light gen
if you switch the mapping type to
spherical you can rotate that texture
and achieve different results with a
single dome light
now to light the house some artificial
lights need to be added
let's create one
you can use the lighting tab to easily
create artificial lights
before this let's lock the view for
rendering and navigate in the viewport
click the lock camera orientation icon
now we can rotate around the viewport
but vision will render from the locked
camera position
click on the rectangle light icon to
create and position the light
if the view is not locked when we rotate
the viewport vision will rotate as well
if it's locked we can rotate the view
but render what is locked
this is helpful when we want to place a
tree that will be visible in the camera
view but to pinpoint the position we
need another view
open the asset editor and you will find
out that the light is listed under the
lights tab
you can change its intensity and color
using the v-ray color picker
if you don't want the light source to be
visible enable the invisible option and
disable effect reflections
on the first floor of the house let's
create a sphere light and basically
repeat the same steps as before
you can easily copy the color from the
previous light in the asset editor
once the lights are set you can close
vision and move on to rendering for more
realistic results
but first let's disable the material
overwrite option from the settings tab
then click the render elements tab and
choose light mix
that will give you additional
flexibility in making lighting
adjustments after rendering
now go ahead and click render
if you expand the write flyout menu you
will see that all the lights you created
are listed
you can disable or enable different
lights and also change their intensity
and color until you are satisfied with
the look
what do you think
i was hoping to capture the atmosphere
of the calm before a storm
i hope you found this video on lighting
and v-ray for sketchup interesting and
useful
make sure to check out the onboarding
video focusing on materials see you
there
you