Questions tagged [camera]
The camera is an object which defines a point of view in 3D space for the context of rendering. The camera also has settings for depth of field (DoF) and other effects/settings real cameras have.
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How can I get better results when doing camera motion tracking?
Whenever I do camera tracking in Blender the reconstruction is always zooming out or not on the axis. I have a great quality camera, but the end results of the camera tracking always has the model ...
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How do I increase the render distance?
I have created a simple model here
When rendering it the end of it is cut off
How can I get the camera to render a longer distance?
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How can I make a camera the active one?
I have multiple cameras in a scene. What I want to do is to change which one is active. This way I can view the scene from different angles. How would I do this?
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How to make a cycles light emisson object invisible to the camera?
In my scene it is required to position the lights close to the main object like this:
How I can make the light source invisible to the camera?
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What's the quickest, easiest way to point the camera somewhere in blender?
Often I want to just point the camera to an object or a specific area in my scene to get an idea of how it'll look in the render. What's the most painless hassle-free way to do this in blender?
A ...
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I accidentally set an object as camera, how do I undo this?
I have a problem with rendering in cycles.
In blender render my object is rendering fine, but in cycles when I pushed F12 I got only this:
One more thing: when I click 0 on keyboard I'm not in camera ...
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Some Data Failed to Reconstruct, Motion Tracking
I added tracks and stuff, but then when I tried to solve motion track, there was a error that said:
Some Data Failed to Reconstruct
and it also said to look into the console for details, which I ...
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Movie Clip On Plane
In blender cycles render engine, how do I put a movie clip on a plane so it displays the video? I want the video to be on the plane if there is a way.
user18376
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Rendered aspect ratio different from the viewport's camera view
Why would there be a difference in aspect ratio between a rendered image, and the camera perspective in the viewport? My render is getting squashed to fit a different aspect ratio.
Here is a scene ...
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Background image shows in front of 3D objects, not behind them.
I've done a quick 3D track in blender and I'm trying to render my output, but the plate I used to track is showing up over my 3d objects.
I want to render the objects in the scene with an alpha ...
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Render just part of a final image from Cycles?
I'm using an older Nvidia chip that hates running viewport renders, and I need to check if changes to the materials on a few objects not far from the center of my scene are (I'm rendering a floorplan ...
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How to find all objects in the Camera's view with Python?
I have a scene with a many objects and one camera.
I would like to select the objects that the camera sees, even partially.
Is there a way to do that in Python that accounts for the objects bounds?
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Add camera at random position through Python
I am using Blender for the first time. Currently, I have a basic scene with a camera and some light sources present. What I would like to do is to add a second camera that is located at a random ...
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3x4 camera matrix from blender camera
In computer vision, the transformation from 3D world coordinates to pixel coordinates is often represented by a 3x4 (3 rows by 4 cols) matrix P as detailed below. Given a camera in Blender, I need ...
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Camera projection without generating UV's?
I'd like to project an image sequence onto arbitrary geometry without touching its UV's. I already tried the UV project modifier as well as a lamp as projector. Using the Mapping node within the ...
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Setting camera to position where it can render a seamless repetable orthographic scene
I'm using 3d to speed up production of 2d graphics of machines and structures (which have a lot of straight lines, objects and little details repeated all over the place).
The goal is to have an ...
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How to pick good keyframes for motion tracking?
What are good practices for picking good keyframes when motion tracking? How are these frames used?
What is an "ideal" keyframe?
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Viewport pivot point changed from scene objects to around viewport camera origin
I am starting to learn using blender, and at some point I managed to do something to the 3D view camera.
Usually the camera orbits around an object, but now the rotation seems to happen (atleast very ...
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continuous sequence of frames with multiple cameras with each camera starting at start of animation?
I have baked a fluid simulation that runs for 300 frames. I have 3 cameras, one from the left side, one from the right side, and one from the top. Can I render a sequence of 900 frames where the ...
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Objects disappear when looking through camera [duplicate]
When I go to camera perspective, there are parts of my object that I can't see. I tried adding and deleting my camera a lot of times and positioning it so that the objects I would like to see on my ...
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How can I get the camera's projection matrix?
As asked.
I need a way to get the projection matrix of the active camera, via python.
EDIT: I think this question is different from the one asked here, because getting a matrix is different from ...
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Solve error high with good track?
So I recorded some Footage in front of my school and tracked it. The tracking points themselves seem alright (I think) but I get an average solve error of around Five.
Here are my settings:
The ...
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Is there a Way to Align Camera to View and Fit the View?
Pressing Ctrl Alt NumPad 0 causes the camera to teleport over and align itself to the current view in the 3D viewport.
However, it usually takes up only a small portion of the view, meaning that you ...
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Change start time of camera following a path?
I made a path and have my camera following the path (Shift + A: Curve->Path) based on a youtube tutorial and this question: Camera angle should follow path angle.
However the camera starts following ...
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How can multiple Curves be used to control Camera movement?
I currently use a Track to Constraint to make the camera automatically point to an empty.
In an animation the camera is moved along a bezier curve (follow path).
How could I change the curve and ...
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How to increase camera frames view area? [duplicate]
The Camera view area is so small (see picture). How can I increase it?
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Problem with camera orientation in motion tracking
sorry for my English, I write from Italy. I'll try to explain my problem.
I'm tracking a footage with a solver error 0.2973. When I try to set the floor, the orientation of the camera is wrong (see ...
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Camera Tracking markers
I want to do some camera tracking. The things that I will be filming does not have a lot of detail on it, so that I will have to place some extra markers here and there. I am not sure what kind if ...
user320
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What is blender's camera projection matrix model?
I have question what is blender's camera projection model.
I want to use blender to my computer vision experiment which need to compare real photo and CG. For real photo, I used camera matrix K for ...
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How do I set focus range?
I know about depth of field but I have no clue how to set it to my liking.
Is there an add-on for those of us who aren't camera savvy about adjusting focus? Like a visual line to show what is in ...
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Motion Tracking objects that go out of frame and re-enter later
I am motion tracking a video in which the camera turns away from one scene and then shortly returns to it. However, the segments that went off-screen lose their track and do not continue tracking once ...
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How to align the camera in a solved motion tracked scene?
I have been having an issue with my floor plane and object when using a solved camera after tracking some footage. I get a solve error of between 0.05 and 0.4 on my solves which is good and not the ...
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How can I get a cabinet projection camera?
How can I get a camera to render with a cabinet projection?
I know it is possible to get a gaming isometric projection, but that's not really what I want.
I've tried positioning an orthographic ...
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Is it possible, without knowing Python, to animate between orthographic and perspective camera view?
I want to animate between perspective and orthographic camera views. How can this be done?
I found where people talk about successfully animating between orthographic and perspective camera views in ...
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How swap views between multiple cameras?
I have multiple cameras with an animation scene. I want to swap to their respective views while rendering the video.
So, essentially, my questions here are:
How do we get renders from multiple ...
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Lens specs of smartphones for camera tracking in Blender
I've been trying to track a footage taken by my Samsung Galaxy Note 8.0 (GT-n5100) tablet. It has a good 5 mp camera and I tracked the footage well. But the problem arises at the time of solving the ...
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How can I view the camera through an object as a material in Cycles?
Kind of like a TV, CCTV, or the portal for Portal and Portal 2, so I can see what the camera is seeing on an object. I don't care whether its a material or a modifier, or something like that, even if ...
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Problem with casting rays from the camera into the scene for each pixel
To retrieve information about the objects that lie behind each pixel, I have to cast rays into the scene for each pixel of a rendered frame.
My problem is that the ray directions which I calculate ...
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Camera projection - FOV trouble
I’ve found this amazing solution for camera mapping node in shader itself (better than UV modifier solution - no distortions on lowpoly objects). It works but I went into trouble which I can not ...
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Create a plane that always fits the camera viewport
I'll try to keep it clear: I want to use a background in Blender and for that I use a plane that I want always to fit the camera viewport.
I wanted to do it cleanly, so I put a plane at the same ...
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Camera coverage calculation inside a room
In my current research, we are trying to create a 3D cow room/housing. Once the room is created, we are planning to place the blender camera (use it as a CCTV camera) in two different locations of the ...
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Why does reducing Resolution X increase my camera's FOV and increasing it reduce FOV?
I want to create a square image for an album cover that combines a yet-to-be-taken real world photograph (probably taken with a Sony A7S camera) with some stuff I model in Blender. I want the lighting ...
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Constrain a camera to an object while also aligning it perfectly to the center of the object (relative to the camera) even while using perspective
So, Im trying to constrain a camera to view an object perfectly in the center...
Ive set a constraint on my camera so that it uses "track to" to point at the center of my shape.
However, I ...
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Constraint the camera to look at an object
In my scene I have a camera sitting at the origin. I would like to contraint it so that it always looks at the center of a given object. But the camera should not change its position.
I found some ...
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How to smooth camera animation to have fluid feel?
When dealing with camera motion, its very sensitive to any movement discontinuities. Is there a way to easily achieve natural looking motion when dealing with complicated motion paths and timings?
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How can I make a plane always look at camera? [duplicate]
How can I make a plane always look at camera? Like in old videogames, like Doom or Wolfenstein, this kind of software used static images that always looked at the camera, is this possible to make on ...
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Cycles generates distorted depth
The depth map generated by the Cycles rendering engine seems to have (radial) distortion, while the Blender renderer does not.
However, I could not find anywhere information on the internal camera ...
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Make an object invisible to a specific camera? (Cycles)
I'm trying to set up multiple cameras for a scene set in a room. Is there a way to link object visibility to a specific camera? Ideally, a wall or ceiling would not render if it were in the way of the ...
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Create and export bounding boxes for objects
I am using Blensor v2.67. I have a camera and several objects in my scene. The camera follows a path and I would like to save what the camera sees for each frame. Among other things, I would like to ...
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Making a realistic infinite mirror tunnel
You know when you're standing between two walls that both have mirrors on them and it makes it look like each mirror is an infinite tunnel going into oblivion?
Something like this:
(photo from ...
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