Sad #149, 725 days ago
really helpful. thanks man!
arq #193,
I'm working on an architecture project, and needed the orthogonal projection of the building, I am designing the buildings with sketchup with the help of v-ray for the renders, I appreciate if you can explain how I do in r-ray to obtain the projections of the orthogonal to the building.
RenderStuff #195,
Hi arq! We do not use the Google SketchUp in our work, but it is for sure that the conceptions for using 3dsmax's and sketchup's V-Ray are similar. All you need is to correctly position the camera exactly perpendicular to the facade. Then to minimize perspective distortion. This is done by enabling the Override Focal Length option and setting it to 3000-5000 millimeters. This way you imitate the extrastrong telescopic effect and get the minimum of the perspective distortions. After that move the out (back) camera so the all facade be in the frame and render it. Also you can check if there is a possibility of using the default camera with V-Ray in SketchUp in ortho mode.
cale #523,
any idea how one could change the camera from perspective to orthographic over time? I have an animation where I want to pull the camera up from an object to show it from the top, but in orthographic.
RenderStuff #524,
Hello cale,
Generally, the Orthographic Projection option is not animatable. However, you can decrease the camera's FOV value to the unity. Also, move it away from the object on the enough distance, so the object can fully be seen in the frame. Actually, this is the trick described in the tutorial on the VRayPhysicalCamera using.
As an option, you may create additional camera with Orthographic Projection enabled, and switch to it on the desired frame of the animation.
The last and the simplest, you can make your animation as before, but saving it to the rester image files sequence. After this, separately render the ortho-frames and paste them by the desired numeration to the final sequence, shifting the left frames.
If you wish to have the smooth animation of the gradual changing from the perspective to the ortho, the first option will be the most suitable
Generally, the Orthographic Projection option is not animatable. However, you can decrease the camera's FOV value to the unity. Also, move it away from the object on the enough distance, so the object can fully be seen in the frame. Actually, this is the trick described in the tutorial on the VRayPhysicalCamera using.
As an option, you may create additional camera with Orthographic Projection enabled, and switch to it on the desired frame of the animation.
The last and the simplest, you can make your animation as before, but saving it to the rester image files sequence. After this, separately render the ortho-frames and paste them by the desired numeration to the final sequence, shifting the left frames.
If you wish to have the smooth animation of the gradual changing from the perspective to the ortho, the first option will be the most suitable
Big Chris #782,
Grab hold of Vray 2 and use a normal max camera with VRay exposure settings.. then you can have whatever angle you want !!!!
RenderStuff #783,
Yeah Big Chris, you're right, that is already possible with V-Ray 2.0 in V-Ray Exposure Control rollout of Environment tab in Environment and Effects window 
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