How to Render onto a Photo Background

What people said

Recommends Abraham Mast · 2015-12 · Blender Stack Exchange · on “How can I render only shadow in Cycles?”

Andrew has a tutorial about that: [this video] Its not exactly like BI shadow only material, but it has a similar effect.

Recommends Nils Eisen · 2016-07 · Blender Stack Exchange · on “3D Scene in VSE: Hide an object keeping the shadow”

Firstly, yes it is possible. There is a video made by Blender Guru that thoroughly goes through this topic of removing such plane and keeping the shadows. Link to video: Click here [this video]

Recommends miceterminator · 2018-10 · Blender Stack Exchange · on “Render an animated object inside an irl video”

You are looking for a tutorial like "match track blend" [LINK] and simpler from Blenderguru [this video] which is to comprehensive to be covered in a single answer. As you seem to be fairly new, I suggest you look through the list Resources for Blender [LINK]

Cites Anson Savage · 2016-01 · Blender Stack Exchange · on “How to get reflections from 3D to show up on real images”

Andrew Price released a nice tutorial on how to nicely put 3D objects on top of a real image: [this video] I have seen images, such as this: [LINK] which have 3D elements over images and have actual reflections from the object showing up on the wet asphalt. How can this effect be achieved using render passes (or any other way)? Here is another example (from Nathan Craddock [LINK] ): [LINK]

Cites Matt McKee · 2017-05 · Blender Stack Exchange · on “Composite for shadows Works for One object but 2nd object is semi transparent”

(Edit: I figured it out. See last screen shot) I set this up in Blender 2.78c but am using Blender Guru's video ( blender guru [this video] for the basics for the composite. The bottom lady bug renders great and I catch the shadow. The top lady bug renders semi transparent. Both lady bugs are on layer 1 and are in pass 1. The cyclinders are on layer 1 and 2 and are on pass 2. [LINK] The Rendered passes look great. But, when they hit the divide mix node, it all goes wrong. The bottom lady bug is fine but the top one gets the transparent treatment. [LINK] I tried a render with the bottom cylinder moved so that the lady bug hangs off the edge to see if the bug would go transparent. It didn't. It sta

Cites Callam Warner-Billington · 2017-07 · Blender Stack Exchange · on “Can't get background image to show in cycles render”

[this video] I've followed this tutorial to the T and my end result is not showing properly for some reason. Any idea why this could be? I have looked at the numerous times this has been asked on here and google but I'm at a loss now. My end result is image 1, what I'm aiming for is number 2 and my compositor node setup is 3. If I hook the last node up to viewer instead of composite it just displays a solid colour.. [LINK] [LINK] [LINK]

Cites Covero · 2019-04 · Blender Stack Exchange · on “How to render reflections only”

[LINK] Hello I am trying to render a scene that I want reflections of a plane rendered only (I want the plane to be invisible) I did watch this video and my item didn't have IndexOB [this video] tbh I want this for an isometric item for creating a game which reflections and the image are necessary so i can use a png file only please help thanks.

Cites Nicolas Lovito · 2019-08 · Blender Stack Exchange · on “Eevee - How to cast shadow on a background image”

Using blender 2.80 official release I want an object to cast its shadow over a plane (to show the right direction) but then i need the plane to disappear, while leaving the shadow as it was and over a background image. [LINK] In the picture i already hve the object and the plane + the image exists as a texture on an actual object. I found a video from blender guru addresing this ( [this video] ), but i'm not sure how to replicate the effect on 2.80. Any Ideas?