Tutorial Thea Render
Transcript of Tutorial Thea Render
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Make a simple cube say
(10 x 10 x 10) in
sketchup. (we are
making it to scale
because Thea materials
behave realist ically, wil l
discuss that later)
Add a color , say A12
from the materials
menu.
Apply the material tothe entire cube.
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Since we would like to see
shadows in our render,
select the view shadowsoption as shown above.
It is notable here that in
order to view shadows in
Thea you need to have a
surface on which the
shadows fall. We will nowdraw a surface below the
cube which will receive
these shadows. (this can
be considered analogous
to ground in a real life
scenario)
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Here we have drawn a
surface below the cube to
enclose the shadow of the
cube.
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We apply our second
material Color_004 from
the material menu.
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Now go to plugins >
Thea Exporter> Main
export window and
click.
A SU-2-Thea toolbar
opens up as seen here.
It has a lot of options
do not be confused or
daunted looking at
them.
The first option Modelallows us to select what
all features of the model
to export in to thea. We
let the default options
selected.
Next click on theScenes tab below the
Model Tab.
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This gives the Scene
settings that you will be
taking into thea.
Here you can change
the camera resolutionwhich at default is set to
the resolut ion of the
sketchup window on the
screen.
We wil l let it be.
Though you canexperiment to see the
effect changing your
camera resolut ion or
aspect ratio has.
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Next select the Rendering
Tab:
It has 3 options available
in the select rendering
method drop down menu.
Adaptive BSD
Unbiased TR1
Unbiased TR2
A note here:
Adaptive BSD is a biased format ofrendering which involves a lot of
tweaks when in thea but can give
fastest results while rendering.
TR1 is best used for exteriors and
interior renders where there are no
caustics involved (caustics are the
colored reflections one sees when
light passes through a colored
glass)
Where caustics are involved and a
lot of reflections TR2 can be used
to get optimal results.
TR2 is the slowest and TR1 gives
the best results with minimum
tweaks but takes more time whencompared to BSD.
Its a matter of speed vs quality and for now the
scene being really small we stick to TR1.
ISO, Shutter speed and F number are camera
settings. For interior renders you may want to
jack up the ISO values and lesser the shutter
speed. We keep them untouched here.
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This is what Thea Material Editor will look like.
The menu on the left side has Matlab texlabmatlab2 texturesbrowser and exit options. Apart
from exit all the others are used to toggle on or
off the respective options. In this image apart
from Matlab2 all the tabs are displayed.
You can quit Material Editor if you want to use
the sketchup material.
But you can apply any of the thea materials hereif you want to.
Lets apply a wood material to the selected
material.
Click on the folder marked wood.
Select wood05 varnished. Once done exit. You
now return to your sketchup tab and it showsthat wood05 varnished has been selected for
the given material.
We are now back inside sketchup. For the
second material (color_004) we will not edit the
material and export the Sketchup material. We
are now ready to move to Thea Studio.
Click on Export Model.
To better understand how materials and material editor work check out the tutorial section of the website we have 4
tutorials pertaining to editing materials, textures etc.NOTE:
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This is the Interactive Render Toolbar. You can use
this to make a quick render of you 3d model to get a
feel of how your model is going to look.
The Render but ton. Rolling the mouse over
various options in this bar tells what they
are. For more info refer the Interactive
Render Video already posted by the Thea
Team.
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Hit the orange button in the Interactive Render Toolbar to stop the render when you are done. You can click on the floppy icon inthe same toolbar to save the rendered image as you please..
This is used for your final renders once you are satisfied with the results in the IR (Interactive Renderer).
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Now lets change the wood material of the cube. Click on the cube to select it. Once selected you can change the material by browsing andselecting any of the thea materials. (Ive selected lime metallic in the metallic car paints folder.) Once the new material has been selected,
select the darkroom tab marked out above.
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Click on the Render button marked above and then click the tick mark in orange. Now sit back and watch as Thea worksits way towards your final render. This is an unbiased render so you can choose how sharp you want the image to be. The
greater the no. of passes in the Phase bar (just to the left of the render button), greater the clarity.
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This is the result after 15 passes. There are lots of options you can play with in the display panel. Try various crf marked in
red, by clicking in the box next to CRF and then toggling the various options and seeing their effects. Whenever you are happywith the final render, click on the stop button marked in green and then click on the save button marked in blue to save the
image to a location of your choice.
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