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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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