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Welcome to SketchUp, Vray and other Resources

Everyone is capable of learning. Learning is part of life. It is a social process of living and bringing everyone to share their inherited resources and discoveries. All of us can influence the life of others through sharing and caring. It is our belief that everyone should be a lifelong learner.

I am putting very important visualization resources and series: tutorials, tips, tricks, VRAY materials and settings, and mini-the-making (MTM) processes.

Yours,

Nomeradona

Wednesday 31 August 2011

Tutorial: Grass and Rock Displacement in Vray SketchUp

Vray SketchUp does not support Proxy at the moment, unlike Vray 3dsMax. Creating realistic grass seems to be challenge still. In the past the solution that I mostly recommend is using channels like in this POST .

Two of our Filipino Visualizers, Zernan Suarez and Rhen Badando, attempted to create very informative displacement tutorial how to achieve realistic grass and rock materials. I should say, this technique works pretty well. Here are their tutorials.

ZERNAN SUAREZ aka. "ZDesign"

Here's my visual tutorial on how to make the grass or even carpet looks uneven/ripple using bump and displacement and noise adjustments.

DOWNLOAD VISMAT MATERIAL - HERE

SAMPLE IMAGE RENDER WITH TEXTURE ADJUSTMENT
GRASS_2 TUTORIAL vray version 1.49.89
APPLY THE GRASS MATERIAL
BUMP WITH BLEND TEXTURE_A
BUMP WITH BLEND TEXTURE_B
DISPLACEMENT WITH BLEND TEXTURE_A
DISPLACEMENT WITH BLEND TEXTURE_B
GRASS
BUMP

Vray version 1.48.91
 

Then based on ZDesign approach, Rhen Bandando made another visual tutorial combined with rock material.

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Materials: Zdesign Bathroom tiles

ZDesign shared this beautiful material in his site. CLICK HERE. If you want to grab and download this material he used in the below image, go to his site.

You might want to visit also Zdesign's Q and A HERE.



Monday 29 August 2011

Download: Brick Texture Software

This is a free software that you could use to create brick texture. Distributed by ACME Bricks.

 Download this HERE.


Tutorial: Water Ripples in Vray Sketchup


Ferry Sugianto shared this Realistic water ripple tutorial with us. He shared this tutorial at Kampoeng 3D. 

Below is the effect of bump ripples.
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You can download Ferry's file HERE

Step 1: The SketchUp Scene

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Step 2: The Water Ripple Material.

This is the water material. It will be loaded in both diffuse and bump slot. 


Step 3: Re-scaling the Map

Once the map has been applied as diffuse material. You can rescale and adjust the position in SketchUp. In the image below, the center of the water ripple was position under the floating flower.

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Step 4: Transparency.

The transparency of the water material was adjusted to "white". It means the water is 100% transparent.

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Step 5: Vray Reflection setting of the water

In Vray, you need to apply reflection layer, use Fresnel map type and adjust the Index of Refraction (IOR) to 1.33.

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Step 6: Refraction layer

Create Refraction Layer for the water material. To do is, right click and add refraction layer. Set the color to white and enter a color multiplier of 0.05 with Affect alpha and Affect Shadows on.

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Step 7. The Bump shader

Click the bump slot and load the same diffuse map on this slot. Do not change anything. Below shows the ripple effect. But some of the areas are so static.

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7. Noise displacement

In order to disturb the water surface, create a subtle displacement using "Noise texture". Below is the Noise texture displacement setting.

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Now the water surface was displaced showing a much realistic effect.

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Some render employing the above tutorial.
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Below render showing David Hier's contemporary House.

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Coming soon! Ferry Sugianto's Q and A.

Tutorial: Depth of Field (DOF) in Vray SketchUp8

Apiwat Hngimhyun  made this as part of his "The Making of Contemporary Kitchen" which we posted last week .  On the other hand, there is a must see tutorial here that we  want to highlight. Because of this, we  are writing this post to point out its importance.  It is about Depth of Field or DOF! If you are a Vray SketchUp user, you know how difficult to achieve this effect. I myself has tried in the past and I failed because of lacking knowledge on how Vray SketchUp works.

What is Depth of Field (DOF)?
Depth of field is the amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a a rendered image. In the image to the left. We can see the sharpest  area (without blurring) is the water drop and faucet. While as you go farther to this point, blurring occurs. Vray Sketchup could mimic the Gaussian effect of the camera lens with its Vray Physical camera, but certain tricks and knowledge must be applied in order to be successful. In this particular tutorial, Apiwat shows how we can achieved the same effect like the image on the left.

VRAY Physical CAMERA
In order to do this, we need to use the Vray Physical Camera and Tick the Camera DOF "On" (see last image). The success of DOF lies on the lower F stop value and ability to measure correctly the distance between the camera and and the focal point. To find the focus point,  you need to download the Plugin script Advanced Camera Tools HERE. This is a new camera which is only available for SketchUp 8. Once you installed the Advance camera tool, we will use it to measure the distance between the camera and the focal point.


1. Go to Advanced Camera Tool (see image below)
2. Create Camera
3. Name the camera and click ok
4. Lock the camera



Now you will have the camera icon in SketchUP (see the image below). Measure the distance from the focus point to the lens of the camera icon using the "measurement tool". Here, the measurement is 12 inches. THIS IS THE NUMBER that you will enter in the "Override Focal Distance".

Note: Vray units in DOF is measured in inches. If you are using meters, be sure to convert this in inches.


I used V-RAY Physical Camera. Shutter speed@ 200, F-stop is 1.4 and ISO at 100.

Sunday 28 August 2011

Free Seamless Textures

This is an excellent place for seamless textures."Render Textures" Here is the render link to download and see some excellent textures.

Some samples (Actual textures size 1000px X 1500px)

Paver: Seamless texture















Grass: Seamless texture











































Corner tree for foreground images.


Sketchupartist London Daily

We are celebrating for the inclusion again of many of our posting with Sketchupartists London Daily.



Saturday 27 August 2011

Download Free Scenes

Some beautiful models. Free to download
http://renderingtutorials.blogspot.com/2011/08/download-free-scenes.html

The Making: Contemporary Kitchen

The process of making this Contemporary Kitchen has been explained by Apiwat Hngimhyun  aka "Starsheep". Apiwat is a well known Thai visualizer and once featured at the former VRAY Asgvis site  and forums. Personally, we would like to thank Apiwat for allowing us to post this tutorial here at SRV. This tutorial was originally posted by him at www.thai3dviz.com.

In this "the making", Apiwat briefly explained some of the crucial steps on how he made the kitchen below. He also shared a small tutorial on how he successfully achieved the DOF effect. 

Preview of the finished product




Here is Apiwat Hngimhyun


1. MODELS
Hello everyone! This tutorial might have different setting with how other use Vray-Sketchup, but I want to share my experience using this model. The model itself is very simple; walls, doors, windows, cabinets and other fixtures. Some of the components were taken directly from Google 3D Warehouse. Others were produced from different application like Moi. Some components were remapped and edited to add further details. I recommend you to look on Designer Tiago models in the 3d warehouse.







2. LIGHTING

Lighting experiment is one of the most important part after modeling. I will be using V-RAY rectangular light and IES lighting.
 
- Geographical Location on this particular tutorial was set to Bangkok, Thailand.


For render testing with lighting. Use Clay Rendering Set-up. Click Override material with RGB color of 150,150,150.


- Vray rectangular lights were places outside the windows. The Vray rectangular light in front will be the main light source, while the one on the side will be the secondary light source.
 



- Here is the set up of the main light. The size is bigger and yet  I will put the intensty @2 with light blue color. Set as invisible.


- Here is the set up of the secondary light on the side with rather orange color. Again set as invisible.



- Under the Environment Roll out, both GI and BG color were ticked. I am using TextSky Map For the GI while HDR for the BG.


- Below are my setting for the Text Sky Map for my GI color. In order to achieve soft shadows, I increased the size to 5.0 while the intensity was set to 0.1. The rest are fine.

- Here is the HDRI map from www.openfootage.net. I will be using this for my BG map slot.




- Here is the setting for my BG Map. It was set as Spherical. The HDRI file above was loaded under File slot.




3. CAMERA
I used V-RAY Physical Camera. Shutter speed@ 200, F-stop is 1.4 and ISO at 100. Camera DOF is on with Overide Focal Dist @12 (see next images why I used 12 here)




To Find the Focus Point, download the Plugin script "Advanced Camera Tools"
1. Go to Advanced Camera Tool (see image below)
2. Create Camera
3. Name the camera and click ok
4. Lock the camera


Now you will have the camera icon in SketchUP (see the image below). Now measure the distance from the focus point to the lens of the camera icon. Here, the measurement is 12 inches. THIS IS THE NUMBER I ENTERED IN OVERRIDE FOCAL DISTANCE IN THE VRAY PHYSICAL CAMERA.

Note: Vray units in DOF is measured in inches. If you are using meters, be sure to convert this in inches.



4. MATERIALS
Stainless. The below map was used



Refletion:


1. Use Fesnel map. Here is the Fresnel map setting.



2. Use medium gray color (see Filter color)
Height glossiness is 0.6 and Reflection glossiness is 0.8. For smooth result I increased the subdivision to 22.
3. I will be only using the diffuse map at 0.4 (load the stainless map)




Filter color. I used RGB value of 195, 195, 195




Bump map. I use the same map diffuse map for the bump slot, but making the value from 1 to 0.02 only.




5. VRAY Settings





Image sampler Setting




DMC Sampler Setting



Color Mapping Setting



Global Illumination Setting



Irradiance Map Setting






Finally here is the comparison between the Sketchup view and the rendered seting.