Kerkythea Materials Pack

1. Kerkythea Materials Pack For Pc
2. Kerkythea Materials Pack For Minecraft
3. Kerkythea Materials Packaging
4. Kerkythea Materials Pack For Windows 10
5. Kerkythea Materials Pack For Mac

By Majid Yeganegi

Hi every one! I embarked on this project to show my appreciation and respect to the Kerkythea team, who have had a great impact on my insight into easy high-quality rendering. I hope you too will find Kerkythea easy to use and as fun as I did. This is an updated and revised version of a tutorial I posted over at the KT forums.

Dialog, or copy a library folder from the Kerkythea Material Libraries folder into the '.SketchUp Plugins Twilight Materials' directory. To install a material pack To install a material pack downloaded from Kerkythea.net for use only with Twilight Render: 1. Change the name of the file from 'Example.mat.zip' to be 'Example.zip'. Any materials you apply in SketchUp, the sun and shadows, and any scenes are all exported into Kerkythea, and in many ways it's easier to set all this up in SketchUp. Kerkythea works by separating parts of your model by material, so anything you want rendering differently needs to have a different material applied to it.

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• KERKYTHEA TUTORIAL SKETCHUP PDF. Admin May 27, 2020. (At the time of writing this tutorial, there are 26 mat. Libraries available in the KT I.e. With Google SketchUp a scene will get exported as a camera position if. Kerkythea is simple to get started with, but has sophisticated settings to produce very professional final outcomes.

There are a few points that I need to mention first before you start to learn KT using this tutorial. First of all, because this is an easy-to-use and simplified tutorial and also an architect-oriented guide, I have ignored some intricate technical material tips. Maybe in the future you will be so impressed by KT that it will encourage you to learn KT deeper. I have done another follow-up tutorial called Kerkythea – take a deeper look at materials. It is based on more accurate material making, which may be worth looking at once you have gone through this one. One thing for sure, if you are interested in making true materials, you need to know about them, so that tutorial will come in handy. In the mean time at this early stage don't worry about the advanced stuff, you can ignore it and enjoy simple material making. Also, there is a little known fact about KT that by knowing and using some simple material, light, render settings with a few simple tips, you will almost certainly start creating great photo-realistic renders. Please note that this is a SketchUp based tutorial. On other 3d software it may vary somewhat.

Installation – Placing Lights in Google SketchUp – Export

Ok, let's get started; first of all, be sure that you have installed the latest version of Kerkythea, and appropriate exporter for exporting your model to Kerkythea. Just ask at the Forum if you have any problems. I strongly recommend you to use this installer because it is the easiest to install. If all is successful you should have a new toolbar called SU2KT like the one shown below.

If you don't see this tool set in SketchUp go to View>Toolbars>SU2Kerkythea and ensure that you have selected and activated this menu. I will only describe the ones we are concerned with at the moment and these are the first, fourth and fifth icon. They are: 'Export to Kerkythea', 'Point Light' and 'Spot Light'.

After you have completed your modeling and texturing in SketchUp it is now time to place your lights and then export your model to Kerkythea. Generally we have two kinds of light, a Point Light and a Spotlight. A typical example of a point light would be a general tungsten light bulb and if you put it inside a shade, then that would be a typical example of spot light in general.

Spotlight and Point Light

Now lets use point/spot lights. The icon that looks a bit like the planet Saturn, is the point light while the cone shaped icon is the spotlight. Choose a point light, click where you want your light to be placed, and click somewhere in your model that shows the range of your light. A dialogue box will appear that lets you to rename and modify your light's power. If you use spotlights, the second point shows the light's target. Easy?….yes that's all there is to it!

After placing all of your lights now it's time to send your model to Kerkythea to be rendered. Be sure that nothing is selected because if you have something selected, a dialogue box will ask you do you want to export selection only? We want to export whole model so make sure you have nothing selected. So now click the export button, the first icon in the Kerkythea Toolbar. Now you can answer dialogue box with yes/no ( you can change nothing so just click OK). Maybe you are interested in a clay render that makes your render something like Maquette. If so, then the third question asked 'export clay model?' must be answered by 'yes'. This is a sample of clay render:

Clay Render

If you happen to select this, then none of your textures will be exported to Kerkythea, and your entire model will have one material (but every object is selectable separately so that you can modify it, and if you haven't textured your model then Kerkythea will not let you modify each object separately).

TIP: As Kerkythea is physically correct, so you must pay attention to your model scale and try avoid off-scale models!!! When your model is opened in Kerkythea at first it's a bit confusing because of lots of gray lines you see!!! Press 'V' on your keyboard. Now it's better to understand…. isn't?

Graphical User Interface (GUI)

Being more familiar with the Kerkythea interface maybe is the next step we need to quickly look at. You will find these major parts:

Actual Kerkythea Workspace/Interface

Materials

Now we are going to learn about the materials, adjusting them simply and then we can start our architectural rendering job. You can download the files you need for this here. Using 'Ctrl+O' open 'mat scene 2.kzx' file. Hit the 'Esc' and 'Space' on keyboard to ensure nothing is selected and you are ready to select objects in your scene. Hit 'V' to see your model with textures/colors. Now double click on @material@ the wood-textured object will be selected. As you see the selected wooden object is wrapped in a yellow mesh and in the 'Scene tree view'. A tiny yellow star has appeared beside the material's name and shows that it is now selected. Press 'Alt+m' for the material editor to appear.

Kerkythea material editor can be a bit confusing but in fact very simple and handy. There are a few elements within the material editor we need to look at first and I will go over the most common ones:

Material Editor

[Matte/Phong], Reflectance, Transmittance, Self Luminance, Bump Mapping and Clip Mapping are most used and common parts. Trust me, understanding just these parts will end in acceptable renders. Now what do these names mean? Most materials we see reflect the light that hits them. The 'Reflectance' part of the Material Editor lets you fine tune this property of materials. Some materials like glass, camera lenses and water, let light transmit through them so the 'Transmittance' part is about this characteristic. You have seen that a candle, neon tubes, safety match or fire and also your computer monitor glow when it's dark. 'Self Luminance' is about glowing emitter materials such as above. There are lots of materials that when you touch them you will find that they have scratches, grooves and small dents, or small bumps like raw fabrics. This is very hard to model. You can achieve this type of relief using a bump map. Another difficult thing to model would be something with lots of tiny holes and very pitted, like a wooden fence. It would not be wise trying to model this kind of relief. Using a map that masks some part of the material can make it easier to create this kind of effect. This is where the Clip Mapping part comes into play.

Common material features are:

• Reflecting – like a wood material
• Transmitting – like glass
• Emitting Light – like neon bulbs or fire
• Bump and Clip Maps

Reflection and Shininess

Our wood material has a texture, and its thumbnail is shown as a brown square in front of the 'Diffuse' word. Generally we call these colors or textures as 'map'. By right-clicking on the actual word 'Diffuse' you can change it. First colored circle lets you to add color, second checkered square lets adding or change the material texture, the third one is for procedural textures and finally the red multiply sign is to delete color or texture or any other 'map'. It is the same for other items like 'ambient' 'Specular' 'Shininess Map' etc. . . . Note that each time you add any map such as color, texture, etc. to each item a 'weighting' panel will appear further down the material editor panel. Note that if you are adding more than one map at the same time (at this stage I strongly recommend you to avoid! And if you have done you can delete it by right clicking) whole weights sum must not exceed more than 0.96 because it means that your material is reflecting more light than receiving!!!

Our material is too matt and dull and needs a bit of polish in my view. To do this add a weight color (white for example) to 'Specular' item and tick the 'Specular Sampling' box at the same time to have some reflectance on your material. By adjusting and increasing the 'Shininess' item, you can have a polished wood while by decreasing it your wood goes more matt. Change 'Shininess' to 5000, 2000, 500, 100, 50, 20, 5 and carefully observe the differences. Greater number end up as a clear reflect.

To decrease the amount of shininess simply lower the material's 'Weight' (as a tip: how shiny is your material, is directly linked to 'Index of Refraction' under the 'Transmittance' part. Note that your IOR (index of refraction) is normally more than 1. Increase it and see the result).

Settings and Results

Consider that by increasing the IOR amount our material goes more reflective, while how shiny is our material, determines clear reflected environment on our material. Now if you increase the 'Shininess' amount, you'll reach a point that your material is mirror-like. At this point you can delete specularity and instead, use reflection. Reflection is much faster. It doesn't depend neither on IOR nor shininess and you can control it's amount by 'Weighting'.

We are going to make a shiny red plastic. Change materials 'Diffuse' from bitmap (I mean wood texture) to red color by right-click over 'Diffuse'. Add white reflection to it. Hit Quick render, and you have a shiny red plastic. When you increase the 'Shininess' with a fixed specularity amount (i.e. .96) you will reach a point that you can use 'Reflection' instead. You can also decrease reflection by lowering 'weight' of reflection as desired.

Now you can make lots of materials, like porcelain, ceramics, polished shiny wooden floors and shiny plastics. All of these materials have a 'Diffuse' (that maybe a color or texture) and some reflections that could be achieved in 2 ways:

1. 'Specular' + 'Specular Sampling' and 'Shininess' + 'IOR' for controlling
2. Just adding 'Reflection'

Obviously if you have a perfect reflection , you must use reflection, but if you have a jaggy reflection use Specular. Usually there are a few materials that have a perfect reflection, in fact most of them have a soft and wide-range which means you can use some 'Specularity' on them. For example, aluminum has no color and just some gray specularity while colored aluminum has a colored specularity.

Material Editor

Bump Mapping

First of all take a look at these pictures and pay attention to the materials:

There are plenty of materials that have a tiny or huge bumps. In such situations you can add a bump map to your material so you simulate this feature in the material.

Bump Maps

As a rule, bump maps are black/white maps, the dark parts are deep, and light parts are bumped up parts of the material. Now look at a leather material setting:

As you see this is a brown material (though I've used color you may use a texture instead) + white 'Specularity' and also a black/white map as the material's bump. I've reduced 'Shininess' to about 7. This causes a wide range of specularity over our material. You can bring lots of your texture to life by using a good bump map . For example, ceramic tiles, bricks, rough fabrics, textiles, rough wooden textures etc. After a while when you became more expert, it's possible to use multiple bump maps over your materials.

Self Luminance

Some materials emit light. Candle, neon tubes, computer screen TV and LCD's are sample of these material type. If you give some 'Radiance' to your material , it will behave as a light source so we call it 'emitter' material. If your emitter material has a complicated geometry, render time will become very enormous. So it's wise to avoid use of such geometries as light emitter sources. As a trick you can give a color to 'Radiance' part but uncheck 'Emitter' part, and then your material will glow but doesn't give light to environment. Then you van add a point light beside it to gives light. Here are some samples of light emitter materials:

Light Emitter Materials

Clip Mapping

What about pitted materials that have many holes in them. Like fence materials, that have a mesh of tiny holes and pores. In such situations you can use a black/white map as your 'Clip map' texture. Not that just the 'WHITE' part would be 'VISIBLE' after render. Here are some samples:

Transmittance

Water, paper, lamp shades, thin fabric curtains and also glass are samples of transparent materials that light passes or transmits through them. Glass for example lets light to be half-reflected and half-transmitted through it. Water also is the same but at the same time refracts the light and you must add an 'Index of Refraction' of about 1.3 to it and maybe some bump to be more realistic.

For a thin glass (that we use in windows) add a white 'Reflection' and using 'Weight' reduce it to 0.24 or a bit more or less (or you may add a color to the 'Reflection' part to achieve a colored glass). Add some white (or color, if you need a colored thin glass) and don't change 'Index of Refraction' at all. See Image for settings:

Fantom x reason refill. Thin Glass

For thin frosted glass add some reflection (About .24), in the 'Transmittance' pane. Add white (or color) to 'Transmitted' part. Set 'Index of Refraction' to 1. Set 'Transmitted Attenuation' to 'Fresnel'. Check and select 'Transmitted Sampling'. See image below for settings:

Kerkythea Materials Pack For Pc

For wavy water material do the same as thin glass material and then change the 'Index of Refraction' to 1.32. also a water texture map to 'Bump Mapping' part.

Wavy Water Material

Thick glass material (i.e. glass vases or a glass cup) are like water but with 'Index of Refraction' of 1.5.

Rendering

In the Toolbar ( Icon-Bar), the third icon from right that is represented by a running man in a green circle is for starting the render process (selecting the camera and render setting panel). Click on the green running man for the render setting panel to appear. The camera part shows as many 'Scenes' as you have made in your SketchUp model with their exact name as your cameras in Kerkythea. 'Resolution' part determines your render size. Simply type your desired render size by 'width*height' to change it.

Just beneath it the 'Settings' part is a preset of render settings that each one would end to a different result. For fast draft render, choose preset no 03 (Photon Map-Quick) and for final render preset no 06 should be good enough. Maybe for exterior renders preset no 17 is the best one. If your computer has more than one processor, you can choose a different number under 'Threads' to match your processor numbers. For example if you have 4 processor you can force all 4 of them by choosing 4, in front of 'Threads'.

To see the render result, at the left of the green runner, there is a tiny landscape icon. Click on it. When your render has finished, you can save it by choosing 'Save Image'.

Tips and Tricks

• Save your scene for further reference using 'CTRL+S'.

• Kerkythea separates objects by their material's names. So give a different material to each part of your model and avoid use of same color/material for those parts that you need them to be defined and modified separately. For example if you need reflection for top face of your wooden brown table, then change the face material. Easily select the table material, hit 'create material' key, name your new material, and repaint that face.

• Start name of your thin-glass materials (i.e. your windows glass is a thin glass) with TG_ , then when you export your model to Kerkythea, they will be recognized as thin glass materials.

Kerkythea Materials Pack For Minecraft

• Easily paint your lights with desired color in SketchUp , so that they emit the same color in Kerkythea.

• Each time your confused, easily 'reset' your material and start over.

• Always be aware of this physics law: reflection+refraction must not exceed more than 1.

• To avoid complicated geometry, when it is an emitter material and it is flat, you can use a single emitter plane+clipmap instead of making real geometry.

Kerkythea Materials Packaging

Example of Emitter Plane

Kerkythea Materials Pack For Windows 10

• If you need some partial changes and not your entire model or need more cameras or lights, there is no need to re-export your model to Kerkythea. Just add new cameras (scenes in SketchUp), lights and materials or geometries and select everything you need to be changed (scenes in Sketchup will be exported automatically as cameras) while exporting to Kerkythea and say 'YES' to first question on Kerkythea exporter that asks you: 'Export selection ONLY?'. Then in Kerkythea from 'File' > 'Merge', merge these 2 files and adjust merging process as you desire.
• From the Kerkythea website download page, download 'Globals' you need and install them (from 'File' > 'Install Library'). Now you can add virtual environments to your model from: 'Insert' > 'Globals' to change your environment from a plain sky to desired one.
• From the Kerkythea website download page, download material packs you need. There are plenty of them. Then open your library from 'Library Selection' on right part of Kerkythea main interface. You can easily add the desired material to your model as follows – Select material or object you wish from left 'Scene Tree'. Double-click on desired material in the right library.

• Install my 'Fast Start 4Architects' material library (its full name is 'Fast Start 4Architects.mat.zip'). There are some mostly used materials in it and you can change them easily or learn from them.
• Open the material test scene that I've uploaded. First unzip 'mat scene 2.zip' and then open 'mat scene 2.kzx' file and test your materials on it.
• Get familiar with the Kerkythea forum, there are lots of good helpful guys there .

Kerkythea Materials Pack For Mac

My special thanks goes to Frederick (Kerkythea team member) who helped me a lot and invited me into the Kerkythea forum.

ENJOY RENDERING!!!!

Majid