VirtualRig™ Studio 3.0 User Manual
Contents
1. 2 VirtualRig Studio User manual 2 WirtualRig Studio We Come Introduction User interface Vectors vs blurrers VirtualRig Studio is professional software for realistic motion blur simulation in traditional iin GEI HEO photography and CGI This document describes Control panels all the application features and explains the complete workflow using an example project Project settings HDRI images Spherical image mode HDRI spheres examples Overlay layer Jitter effect Render settings Render type Render queue Tutorial Create new project Drawing first vectors Adding more vectors and rendering Final composition FAQ Keyboard shortcuts Contacts 2008 2015 VirtualRig Studio s r o www virtualrig studio com All rights reserved 2 WirtualRig Studio Introduction 1m User interface The user interface of VirtualRig Studio was designed to be as intuitive as possible The main area of the application window contains a workspace where you define how the motion blur effect is applied to your image On the left side there is a control panel where you can change various project settings The toolbar in the top part of the window allows you to guickly access the most important features from the main menu Simply put the motion blur effect is guided by v2. EFFECT Enabled Lateral amplitude Lateral frequency Longit amplitude Longit frequency RENDER QUEUE 4 1646 1140 Blurrer start length 434 9 end length 97 2 Render type Motion Blur Render type Motion Paths vrs_realtime vrs VirtualRig Studio Pro S mp 1009 E ES Sun19 01 O WirtualRig Studio Tutorial VirtualRig Studio File Edit Tools Help gt mM 100 Ga EE Suni9i3 Q i vrs_realtime vrs VirtualRig Studio Pro Adding more vectors TY and Rendering Keep adding more blurrers The general rule is the more blurrers or vectors the better the result It is important to shape the blurrers to follow the direction of the assumed car movement and to set the length of vectors appropriately Drawing of vectors is very intui tive and it doesn t take much time to get a good feeling for it If you have an overlay image with the car now it s a good time to include it to your project using the over lay layer 1 panel so that you can correctly align the blurrers with the car With real time render preview turned on 2 you can instantly see the effect of each newly added blurrer To fine tune the blur effect you might change the render type 3 to motion path see render settings panel for details When all the blurrers are in place you might also consider adding jitter effect 4 If everything looks good it s time to perform the final render Set the de sired parameters in
3. Render queue Don t feel like waiting 10 minutes for your high resolu tion render No problem just add it to the gueue and continue your work Multi core rendering is now also supported Render image Adds the current state of the project with all its settings to the render gueue The rendering will start immediately if the gueue is empty Note that this button performs the same action as t button in toolbar RENDER QUEUE Render Remove Remove Remove Remove Removes a specific render from the queue The rendering process will be aborted if it already started 2 WirtualRig Studio Tutorial Create new project In the following tutorial we explain how to blur a real world image step by step The first step is to prepare the source image If the image contains a car you will need to erase it from the image or at least erase its border parts that would interfere with the blur To do that you can use standard tools in Adobe Photoshop or any other graphical software Additionally you might export the clipped car into a separate image and use it as overlay layer Of course if your picture is a pure background with no car you can skip this step When your source image is ready open it in VirtualRig Studio using menu File gt Open It is reasonable to save your project to disk from time to time using menu File gt Save Note that VirtualRig Studio projects are saved in files with VRS
4. the render settings panel and click Render 5 It s a good idea to add few more renders with a different speed coefficient setting so that you ll have more images to choose from i PROJECT SETTINGS Vector color Speed coeficient Blurrer su b vectors Margin approxim Realtime preview Reset RENDER SETTINGS Output file Format Quality riginal image size 2996 x 20 ix Width Height Lock aspect ratio Scaling Noise level Render type Show results after Reset HDRI Spherical image mode HDRI exposure value OVERLAY LAYER Enabled Image file Image siz Scale to fit Add to render Transparenc Y Reset JITTER EFFECT Enabled Lateral amplitud Lateral freguency Longit amplitude Longit freguency RENDER QUEUE Render type Motion Blur Render type Motion Paths WirtualRig Studio Tutorial Photoshop File Edit Image Layer Type Select Filter 3D View Window Help 15 E 100 Ea ES Sun20 14 O iz e e e O o O k O Q gt Q Q F Resize Windows to Fit M Zoom All Windows M Scrubby Zoom 100 Fit Screen Fill Screen 1 moni tor x Layers Properties y p Kind Wr T UA D woproperties Normal gt Opacity 100 Lock Ho 2 amp Fill 100 vee LIGHTS o a LIGHTS vim CAR all o Ea PORSCHE 911 TURBO E EXTRA SHADOW wee SCHADOW 3 When the blurred background is ready it s time to do the final composition and po
5. the rendered images are stored the guality of the render as well as its speed Output file Specifies the image file where the next render will be saved By default VirtualRig Studio saves rendered images to the VirtualRig renders sub directory next to your project file If the file name ends with a three digit number the num ber is automatically incremented after every render to ensure the files have unique names Original image size Indicates the original resolution of the workspace image which might be helpful when deciding on your render resolution Lock aspect ratio If checked the ratio between original width and height will be preserved when changing width or height Noise level Sometimes the motion blur effect creates ugly periodic artifacts in the rendered image The noise level setting adds a random noise to the blur to avoid these artifacts The value is specified in pixels the higher the value the more noise is added The noise can also serve your artistic RENDER SETTINGS Output file background 004 jpg Format JPEG Quality 100 Original image size 3000 x 2 Width 3000 Height 2002 Lock aspect ratio w scaling Bicubic Noise level a Render type Motion blur Show results after w Reset Format Specified the output image format In Trial and Lite versions only JPEG is available In Pro version you can also select TIFF PNG GIF BMP HDRI and EXR formats Note that for J
6. I exposure value 9 0 VirtualRig Studio Control panels HDRI Spherical image mode Spherical image mode Enables smooth blurring of 360 de n gree horizontal panoramic pictures HDRI exposure value 0 0 Please find more information in the da Spherical image mode The spherical image mode simplifies blurring of 360 de gree horizontal panoramic images because it ensures that the right and left side of the blurred image can be again smoothly joined in a panoramic sphere Such spheres are typically used for rendering of photorealistic blurred reflections on CGI models of cars in third party 3D rendering tools such as VRED see example below If the spherical image mode is enabled the workspace will display mirrored copies of all vectors and blurrers to help you see how the motion blur will be applied to the image Note that this feature is only available in Pro version This scene is included in example projects following pages VirtualRig Studio File Edit BE E EE E EESE PROJECT SETTINGS Vector color Blurrer co lor ams Speed coeficient rL Blurrer su b vectors Margin approxim Realtime preview Reset RENDER SETTINGS Output file Format Original image size Width Height Lock aspect ratio Scaling Noise level Render type Show results after Reset HDRI Spherical image mode HDRI exposure lt Reset OVERLAY LAYER Enabled Image file Image siz Transparency JITTER EFFECT Enabl
7. PEG format you can additionally specify compression quality and for TIFF format you can specify compression type Width Height Desired width and height of the output image Scaling Select the algorithm used for image resizing Bicubic offers the best quality but is slowest nearest neigh bor has a lower quality but is fast Render type Specifies the type of output see next page for details Show result after rendering The type of the render Blur or Cur vature Please see the next page for details 2 WirtualRig Studio Control panels 1m Render type VirtualRig Studio offers two types of render output motion blur and motion paths The first option generates the normal motion blur while the latter option only displays the curvature and intensity of the blur You will find motion paths useful to fine tune the motion blur in every area of the image in order to achieve exceptional quality of your renders Render type Motion Blur MM a yn Aaa aA ee a yar i aaaaaas a eee aA aaa A A AeA ud yB yB yB yR yR yd i as ae A i yn yB Ryd yR yB yB yh rr aA eA A BMA AeA AAAS aa yn yd aA A yn yB yB yB yB 8 A A A yd a A A yN as RH A A yd y y AA A a babe bh bh UN Bn Bn yn y yB SS SS Se SM mphk bh bh hb bh O a ydh ydh edd Render type Motion Paths Grid size 25x25 px Render type Motion Paths Grid size 50x50 px 2 WirtualRig Studio Control panels
8. ectors which are drawn onto the source image The position and shape of each vector determines the shape of blur in particular areas of the image To draw a vector click icon in the toolbar click into your image and drag the vector to set its length To move the vector or change its shape click and drag one of the vector s control points If you click and drag elsewhere a selec tion rectangle will appear which helps you to change the shape or location of multiple vectors at a time VirtualRig Studio File Edit Tools Help Ene A IH A PROJECT SETTINGS Vector color Blurrer co lor Selection color Speed coeficient Blurrer su b vectors Margin approxim Realtime preview Reset RENDER SETTINGS Output file Format Quality riginal image Width Height Lock aspect ratio Scaling Noise level Render type Show results after Reset HDRI Spherical image mode HDRI exposure value OVERLAY LAYER Enabled Image file Image siz Scale to fit Add to render Transparenc Y Reset JITTER EFFECT Enabled Lateral amplitude Lateral frequency Longit amplitude Longit frequency RENDER QUEUE bmw_alpina_vrs_background vrs VirtualRig Studio Pro gt mM 18 G EE Sat15 29 O 2 NirtualRig Studio Introduction Blurrer layout J Vectors and blurrers Start length 123px End length Opx Vector 4 Start of a vector displayed as a small circle defines location of the blur and
9. ed RENDER QUEUE Tools Help Reset IMG_0462 Panorama_b_1 vrs VirtualRig Studio Pro gt 100 Ga Sat 18 05 Q r2 NirtualRig Studio Control panels o Photography and CGI by Ren Staud Photography HDRI spheres examples This is an advanced example of an HDRI spherical image blur to give photorealistic reflections to your render Static backplate and the layout of blurrers Blurred HDRI sphere saved into hdr Static reflection without blurred HDRI Blurred HDRI sphere in reflections 2 WirtualRig Studio Control panels Overlay layer This panel enables you to display a static overlay layer over your workspace For example you can use it to display a picture of a car that might help you correctly align blur vectors with its direction This scene is included in example projects Watch tutorial video https vimeo com 1224 18094 Enabled If checked the overlay layer will be displayed Source file Path to the overlay image file PNG and TIFF files are supported Scale to fit If checked the overlay image is scaled to fit the workspace image Transparent layer backplate OVERLAY LAYER Enabled Image file a vrs_layers_car png ms Image size 3000 x 2002 pixels Scale to fit Add to render Opacity Reset VirtualRig Studio File Edit Tools Help Workspace with real time preview and overlay layer enabled Image size Displays informa
10. file extension This scene is included in example projects C Watch tutorial video httos vimeo com 122418092 2 WirtualRig Studio Tutorial Draw first vector Now that the source image is ready and opened in VirtualRig Studio you can start drawing blur vectors In our sample scene we want the motion blur to follow the curved road so it is better to use the blurrer tool 1 instead of many hand drawn vectors the difference between vectors and blurrers is explained in Introduc tion In drawing mode you can press and hold ALT key to quickly switch to the select amp move mode which enables you to move the control points of the blurrer we need it to change the length of blur in the area 2 and 3 In general objects close to the camera move faster than objects in the background hence the start length is much longer than the end length If you hover the mouse cursor over the blurrer you will see all the information about it on the status bar 4 including cor responding vector lengths Note that you can set these length precisely by typing the number of pixels on your keyboard VirtualRig Studio File Edit Tools Help ne e g PROJECT SETTINGS RENDER SETTINGS Output file Format Quality riginal image size Width Height Lock aspect rati Scaling Noise level Render type Show results after Reset HDRI Spherical image mode HDRI exposure value OVERLAY LAYER Enabled Image file JITTER
11. full extent E E Control panel P P Change image Render R R Results viewer W W VirtualRig Stucio Contact and support Follow us on Facebook and be the first one VirtualRig Studio s r o Fe earn he ice cue Mikovcova 548 5 120 00 Prague 2 facebook com virtualrigstudio VAT ID CZ28485378 Provided by
12. ly you can try using a negative speed coefficient or inverting all vectors in menu Edit gt Invert to suppress these artifacts Realtime preview If checked the current render is displayed in the workspace instead of the original image 100 km h 2008 2015 VirtualRig Studio s r o All rights reserved www virtualrig studio com z4 NirtualRig Stucio Control panels HDRI RENDER SETTINGS Spherical image mode Spherical image mode Output file JAA FR exp OOl jpg Wm Enables smooth blurring of 360 horizontal panoramic pictures HDRI exposure value 0 0 Format JPEG M See next page for details Reset Quality JPEG HDRI p Original image size pyg Width GIF HDRI exposure value Th BMP Height HORI VirtualRig Studio supports high dynamic range Controls the brightness of the HDRI EXR images HDRI stored in Radiance 32 bit RGBE image in the workspace and during i I s the render to a traditional image or OpenEXR formats HDRI images preserve more luminance information than traditional image formats and they are often used to store high resolution panoramic images although panorama and HDRI are independent features To preserve HDRI features in your final render don t forget to go to RENDER SETTINGS panel and set the format to HDRI or EXR Note that this feature is only available in Pro version This scene is included in example projects HDRI exposure value 2 0 HDR
13. st production of the image When talking about classical photography of cars you will usually face two issues wheels and reflections From our experience the best and easiest way how to spin the wheels of a stationary car is to use real pictures of spinning wheels and superimpose them to the image of the car using Adobe Photoshop or any other graphical software The results look absolutely realistic 49 cs page aes Fe ub Er fi amp IES ye English USA a Smooth co 4 Ebene 66 _ t Farbbalance 15 Gc c co ene 24 co c En re O7HVroPNNRANNEACE G 4 Gaia cq co o M amp F BACKGROUND It is possible to use VirtualRig Studio to blur the re flections essentially you need to use another graphical software to extract the reflections blur them as a sepa rate project in VirtualRig Studio and superimpose them back to the car image However the details of this procedure are beyond the scope of this tutorial In the case of 3D models of cars handling of reflections is easier you can create a 360 degree blurred panoramic image and use it as a background for the render of your 3D car model see spherical image mode for details Doc 17 1M 154 4M 2 WirtualRig Studio FAQ Can I upgrade an already purchased Lite version to a full Pro version Yes you will only pay the difference between the Lite and Pro version Please contact us to arrange for s
14. the middle and end points define its shape The overall motion blur of a picture is smoothly interpolated to match all vectors in their loca tions Start length 123px Blurrer gi End length 100px Even though a single vector is sufficient to blur a whole image typically more than one vector is needed to non uniformly blur different areas of the image And this is where the blurrer tool comes in it allows you to define a seguence of vectors whose location and shape precisely matches the shape of the blurrer Use the small circles at the start and the end of blurrer to set the lengths of corresponding vectors If you move T i the mouse cursor over the circle you can also type the length with your keyboard Start length 15px End length 200px il Render 2008 2015 VirtualRig Studio s r o All rights reserved www virtualrig studio com 2 WirtualRig Studio Introduction I Transparent images VirtualRig Studio Pro supports blurring of TIFF and PNG images with 8 bit aloha channel This feature is necessary if you need to blur different plans with different speeds In the example on the right the forest background is blurred with a slower speed than the front plan the stones on the bridge and the tree in particular The two resulting layers were then combined in Adobe Photoshop Please note that the render output format needs to be set to TIFF or PNG in order to preser
15. tion about overlay image resolution Add to render If checked the overlay image is also included in the render output Opacity Controls the transparency of the overlay image co Fw 100 GH B Sat1812 Q r2 NirtualRig Studio Control panels sA JITTER EFFECT Enabled Lateral amplitude frequency EE Enabled If checked the jitter effect Magnitude and frequency of rig is included in the render Lateral amplitude 0 05 vibrations perpendicular to its movement ff Lateral frequency 0 70 J itte r e ect Longit amplitude 0 02 Longitudinal amplitude frequency E ICH NEI git Treque oise leve Magnitude and frequency of rig l l l l vibrations along its movement Noise lewel 0 04 Amount of artificial randomness Back in the days of physical camera rigs vibrations in rig vibrations of the rig could produce some strange artifacts in the photos You can emulate these imperfections in the jitter effect panel Noise memory 0 80 Random Noise memory For your convenience use this button Auto correlation of the randomness to randomly generate the jitter effect in rig vibrations parameters instead of setting them all manually Random 2 This scene is included in example projects C Watch tutorial video httos vimeo com 122418093 Without jitter effect With jitter effect gt J WirtualRig Studio Control panels 1m Render settings This panel controls where
16. u offer student discounts We don t offer any special discounts to students in a hope that the Lite version is affordable to everyone However contact us if you think different we might make an exception gt VirtualRig Studio FAQ What are the hardware requirements of VirtualRig Studio VirtualRig Studio can be used on every computer running Windows XP Professional or Mac OS X 10 5 Leopard or any newer version of these operating systems However in order to open and render large images you will need at least 2 gigabytes of RAM installed on your system Also more CPUs will make your render finish a lot faster Is it better to point the vector in the car s direction or the opposite direction Actually a physically correct approach is to point the vectors in the opposite direction of the car s movement However people sometimes point the vectors in the direction of the car and also get appealing results It really depends on what works better for you Note that you can easily swap the vector direction using the Invert tool in Edit menu How can I make car wheels look spinning Although it s possible to blur wheels to make them look spin it s very difficult to do so in a photo realistic fashion That s because the shape of the rims produces very distinct artifacts in the photos that cannot be reproduced from static pictures Also some parts of the wheels such as brakes don t spin at all and therefore sho
17. uch an upgrade Floating licenses need internet connection but what if I m offline and still want to use VirtualRig Studio That s no problem you can be offline for up to one week and the application will continue working normally If you want to extend this period to two weeks while you re still online please go to Help gt License manager and click Renew Can I use VirtualRig Studio without internet connection Yes it s possible we can send you a license file by email that will enable you to start the application without internet connection Please contact us for details How can I transfer my copy of VirtualRig Studio to another computer First you need to deactivate the application on the old computer Just go to Help gt License manager and click Deactivate After that you can activate the application on a new computer using your activation code This applies to both fixed and floating licenses What is the difference between fixed and floating licenses With both fixed and floating licenses you can transfer your copy of VirtualRig Studio to another computer However with a fixed license you can only do it once every few months while with a floating license you can do it any time I already bought VirtualRig Studio 2 3 How can upgrade to version 3 0 We sent all our customers an email with information about how to upgrade If you didn t receive it please contact us and we ll look after you Do yo
18. uldn t be blurred In order to get finest results we recommend to use separate photos of spinning wheels and superimpose them to the static photos of cars Does VirtualRig Studio support non standard ICC color profiles No the application only supports sRGB ICC color profile If you open a picture with a different color profile the colors might look shifted Please convert your image to sRGB before opening it in VirtualRig Studio 2008 2015 L UUOo ZU IO a Pee ee racariar gnts reserve gt 2 MVirtualRig Studio Keyboard Shortcuts VirtualRig Studio provides keyboard shortcuts to help you quickly perform tasks otherwise available in the menu Most of the keyboard shortcuts are also displayed in the menu next to the command name or when you hover the mouse over the corresponding toolbar buttons Task MAC WIN Create new project 36 N Ctrl N Open existing project 3 O Ctrl O Save project d6 S Ctrl S Save as project Shift d6 S Ctrl Shift S Close project 36 W Ctrl W Quit VirtualRig Studio d Q Ctrl Q Undo 3 Z Ctrl Z Redo Shift db Z Ctrl Shift Z Select and move objects V V Select all A Ctrl A Draw new vector d6 D D Draw new blurrer C C Zero vector s length 0 0 Straighten vector 9 9 Move canvas view H H Remove selected objects Backspace Backspace Zoom in Z Z Zoom out Alt Z Alt Z Zoom to
19. ve the alpha channel in the resulting image 2 This scene is included in example projects Static picture VirtualRig Studio layout with blurrers Transparent front plan blurred in lower speed Another render in higher speed Background combining different speeds of front plan Final composition 2 WirtualRig Studio Control panels GID Project settings The project settings dialog controls several important properties of your project which have a direct effect on how your picture is blurred Colors Allows you to change colors of vectors and blurrers This setting might save your day when working on a picture with a background color similar to default color settings Speed coefficient o This setting virtually changes the length of all vectors in the project without moving a single vector see the example below The value 1 0 means that the length of vectors is as displayed Speed coefficient effect o 20 km h PROJECT SETTINGS Vector color Blurrer color Selection color Speed coeficient Margin approxim Realtime preview Ll Ll Mirror al 50 km h da Margin approximation Margin approximation Near the border of the image there are not enough pixels to generate the blur effect from This setting specifies how the missing pixels are approxi mated Try a different setting if you experience some strange artifacts around your image borders Alterna tive
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