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 to write a custom projection type?
Is it possible to create a lens shader with EEVEE/Cycles ?
I'd like to have the control over the camera position and the ray direction per sample. This allows to simulate various conventional lens ...
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Is there any way to turn coordinates into curve?
I recorded fly camera movement, so I got keyframes with coordinates.
Is there any way to turn the camera coordinates in keyframes into curve?
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How does 'Align Active Camera to Selected' decide where to place the camera?
Thanks to this answer, I'm using bpy.ops.view3d.camera_to_view_selected() to automatically place a camera so that it frames the selected object for rendering. But ...
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Blender 2.8 Cycles Projecting world background to an object
How can i project world environment hdri texture to an object,like camera mapping, i know i can use a material that has only shadows for later compositing it,and rendering the world environment alone, ...
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Camera flips 180 degrees following the path
I am new to blender and I tried to animate a camera path following this tutorial:
https://www.youtube.com/watch?v=vasfFsxCsAE
The author creates a NurbsPath for camera to follow and an empty to ...
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How can we setup hdri background image so that camera can move around an object which appear stable relatively to the hdri image?
What I want to do is to render an animation where the rendered objects are not moving, but the camera is moving around them. OK for it.
But from that I want to use a hdri image in background which is ...
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Is there a way to make custom composition guides?
I found this:
https://blenderartists.org/t/custom-composition-guides/597819
but it requires to modify the existing ones in ‘C’.
Second option would be to make some with actual geometry.
You'd think ...
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Can you assign a background image per camera?
Quick question that I don't see an exact answer to, but is there a way to lock a background image to be displayed when a certain camera is set (Ctrl+0) as the camera?
I have several cameras when ...
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How can I render a ball with equirectangular camera?
Firstly, I'm a first time user for Blender. I want a equirectangular image so that I can create a texture to use on a sphere object on my Unity project. I'm searching and trying for hours. Here what I ...
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Alpha channel not responding to blur?
Here is a still of a shallow focused camera of a few flowers. As you can see the pink flower alpha blend is not responding to the blur... How do I ensure it is blurring like the rest of them?
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Unsure about use of matrix_world
Some Context
I have a computer vision task where I have to generate some synthetic data from rendered images of a 3D model(liver). So to do that, I have first to generate a bounding box around that ...
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Custom Bokeh Shapes
I'm trying to make a Bokeh background like this:
I've got the Bokeh in blender with a particle system copying a sphere that has an emission modifier. I'm using the depth of field to blur out the ...
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How to get to work with the image of the camera with python
I'm moving the camera around an object all with python script. Now I want to get the image from the camera and work with it (some image processing) and then save it..Etc
Now I'm just rendering the ...
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Why does my camera start rotating randomly when following a path?
I have a camera that follows a bezier curve with a Follow Path constraint, with a Track To constraint that follows an object (named "Viewer") moving on another bezier curve with another Follow Path ...
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How to get render to texture working?
I have read the manual, watched tutorials, and read forum posts. So far they have all been based on GLSL and using Python. Including multi-texture in my search results in tuts about applying multiple ...
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Why are resolution, pixel aspect ratio, and sensor size not linked in Blender?
Background
So I wrote this lil' python script to obtain the camera matrix (intrinsics times extrinsics) from my scene and its active camera. It's been working great, under the following settings.
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Camera pose estimation by matching edges
I've a camera at known location and rotation from where an image of a model is rendered (Top left of the figure). The camera is randomly translated and rotated to a very close unknown location and ...
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stereo camera extrinsic parameter
In Blender, we have an option to make Blender camera to be a stereo system. I found this post very helpful in getting the camera parameters (including intrinsic and extrinsic parameters). Yet, the ...
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Camera track to constraint in the game engine
I have tracked camera to track a ball. When I move the ball manually, the camera tracks it. But when I apply motion using w,a,s,d keys to move it top, left,down and right, the camera stops tracking ...
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How to find if the vertex of an object is occluded by another vertex/face in front of it from a given viewpoint?
I can use the recipes on this page: How to find image coordinates of the rendered vertex?. But is there a way to know if a point is being occluded by some point/face in front of it from the viewpoint ...
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Is it possible to change a value and the scale size, position, or rotation of an object can be affected by that value?
Im trying to create my own camera by adding a ruler and pull downs and have gotten it to work well.
The only issue is that when I change the "Focal Length" it does not match up to the the camera any ...
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How does the fisheye projection model work?
This is my first contact with the fisheye model/lens type and I'm trying to understand how it works.
I put some sphere on a circle at different angles 0(red), 30(vert), 60(blue), 90(jaune), 120(...
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Accidently Moved Camera, Get Position Back?
I accidentally moved my camera using "align to View", which I thought was just for the viewport.
Is there a way to get my camera back to where it was? I'm doing progress shots, so it's essential.
I'...
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How can I parent objects from different scenes?
I have two scenes. Particles in one (blender render), text in the other (Cycles render). I need the camera in the particles scene to move with the camera in the other scene - it is for an intro ...
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Shifting the frame range of a Camera track
I'm having a issue with getting the camera track to work properly once the frame ranges have been shifted.
The situation is, I have been given a shot to track (for the example lets say its 400 frames)...
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How can I tell if a mesh is visible and not occluded in a render with an orthographic camera using python
I have an imported model with a complex set of parts, some of which are internal - i.e.: always occluded by other parts - think of an inside lining in a sofa.
Is it possible somehow to tell ...
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3D world to 2D image transformation with equidistant camera model
I'm currently implementing a simulation, where a 3D point needs to be transformed to a fisheye image with the equivalent of Blenders 'PANO' camera and the equidistant camera model. Does anyone know ...
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what can i do in compositing to get this looking more real like the original image
I'm trying to recreate this backrooms pool hallway scene.
This is my current render
Obviously, there are some differences like the chair in the back, the camera angle, or the tile size. However, I'm ...
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Render view is not the same as camera view
Newbie question here, apologies if this has been answered in previous posts I couldn't find an answer to my particular issue even in my searching and testing.
I'm using blender for the first time, and ...
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How to set the orthographic camera to match a specific width?
Consider a simple setup where the camera is facing a plane orthogonal. For further simplicity, assume that the camera is located at X=0 and facing along the Y-axis. The plane is also centered to the Y-...
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Can I adjust white balance on camera?
I want to be able to adjust the white balance on my camera in blender to the exact amount I shot with (in a VFX shot). Is that possible? is there a plugin for that if not?
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Is it possible to create a silhouette edge of a mesh in Blender?
I want to be able to create a silhouette edge from a chosen point on any given mesh. Essentially, the silhouette edge is a 3D curve made up of points on the mesh whose tangent planes intersect with a ...
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Freestyle with panoramic camera
I started using the panoramic camera, especially the fisheye equisolid, and upon trying to render a frame with freestyle, the lines are places as if the camera was still in the perspective lens type.
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Does anyone know the best way to change shadow colors?
I have used the shader nodes to almost get what I want, however I am running into many difficulties. I am making isometric 2D sprite art to a mod an existing game so I need to work within the confines ...
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mapping latitude-longitude to pixel space, in image produced with panoramic equirectangular camera
I am working with a 360 virtual camera in Blender, with latitude angles ranging from -90 to 90 deg and longitude angles ranging from -180 to 180 deg. The rendered images are obtained through ...
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How do I match an orthographic type camera to an orthographic image?
There's a program called fSpy in which you can draw lines on an image, and it will in turn give you a camera position and rotation, however it doesn't seem to work with orthographic images.
I have an ...
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Depth of Field - Visible Lines on Distance Change
As the distance of my Depth of Field effect changes (EEVEE), visible lines are drawn across the objects on which the effect is happening. These lines are the 'thresholds', I presume, between different ...
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Unit of the color in of the Diffuse Direct/Indirect passes in Cycles render
When I read a pixel's red value 1.0 from these passes, is the value I read radiance, radiosity or irradiance? Is it 1.0 W/m^2 or 1.0 W/(m^2sr)?
My understanding is that a sensor is sensitive to ...
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Frame object from python API from a specific location
My ultimate goal is to: from a given location L, update a camera to fill the frame with that object at location O such that the camera center after the re-framing is on the axis OL.
Here are the ...
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Pixelate the viewport camera in Eevee for previewing live pixel art / low-resolution render?
Related question that covered only Cycles: Is there a way to force pixellate the viewport render?
These options are not available for Eevee. Is it possible with Eevee? Render sizes are 32x32, 16x16, ...
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Path tracing for arbitrary camera rendering
I am trying to implement a custom camera with large FOV in blender. I know, that Cycles render engine allows to use a fisheye lense, by it in not enough for me, I need a specific camera with ...
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Extract objects/points inside camera view frustum
I'm trying to extract objects/points (region of point cloud) inside a camera view frustum. In this case, i set up a proper camera position and rotation. And i'd like to have those partial objects ...
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Quickly flip your camera / scene horizontally in 2.8? (like in Photoshop)
I would like to be able to flip my camera / composition horizontally in Blender 2.8 quickly, without the need to render the scene and flip it in image editor.
I found other topics explaining how to ...
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is there an addon or another way to record the camera movement with middle mouse?
So basically I just rotate camera with mouse and I want to bake that somehow into animation instead of manual positioning. WOuld be handy thing
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Export Rename Camera Suffix help
I'm working with the Multi-View to render my character in 8 different views, so my 8 cameras have 8 different names suffix like ("Camera_Idle_Down", "Camera_Idle_DownLeft", "Camera_Idle_Right"...) My ...
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Workflow for using A LOT of reference images at precise angles?
I am going to sculpt a human head based on a model whose image is captured at VERY precise angles for this purpose. I think the angles those images are taken at are increments of 11.25 degrees:
{-45....
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Blender 2.80 to Blackmagic Fusion
What is the best way to export camera animation from Blender 2.80 to Blackmagic Fusion. There is a script addon published on BlenderArtists which is perfect however it has not been updated for Blender ...
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Create Dust on Camera Lens Blender
I'm interested in creating a dust/flare effect using the Compositor something along the lines of the below:
To be honest, I'm still quite new to the compositor, and don't really know where to start ...
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How To Get A Quaternion Camera Rotation That Is Independent Of View Orientation
Here is the problem,
If I roll the view 90 degrees using Shift + 4 or Shift + 6. All of the view controls stop working correctly.
Rotating with the mouse left and right causes camera rotation up and ...
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