Getting Started RENDERING IN TWINMOTION (EP 8) - Interior and Artifical Lighting

what's up guys just in here with the rendering essentials calm back with another twin motion tutorial for you so in yesterday's video we talked about how to adjust the exterior lighting settings inside of your models now we're gonna talk about how to add interior and artificial lighting to your renderings now let's go ahead and just jump into it alright so I wanted to give you kind of an overview of the options available inside of twin motion for adding different artificial lights to your renderings and so specifically in this video we're going to talk about things like the spotlights and the Omni lights and things like that now you can use them to light your model um so to start off let's talk a little bit about lighting inside of twin motion so right now what we have is we have a daytime view of this building so the daytime view means we have sunlight shining into the building but if you go up to this eye and click on this and click on the Sun you can adjust this so that instead of being daytime well we now have nighttime and so with nighttime you can see how this allows you to do a lot of different things or this allows you to kind of turn the exterior sunlight off but what we want to do is we want to turn the exterior sunlight off and we also want to add some artificial lights to our scene because now it's very dark with that Sun off so in order to do that you're gonna open up this window on the left hand side of the screen and you're just gonna go in here and you're gonna click on this little drop-down you're gonna click on the library and libraries gonna allow you to access your library of different items you can bring into your renderings and specifically in this case we want to talk first about the lights and so if you click on lights you can see how this gives you a number of different options for different kinds of lights that you can add to your scene and so let's talk a little bit about the specific kinds of lights that we have in here so the first light that we have in here and you can just add these to your scene is called the omnidirectional light or the Omni light and what the Omni light is gonna do is that's gonna generate light outward from a center point in every direction so you can see how if I drag this into this point or if I drag this into my rendering this is emitting light and F single direction so this is great for like brightening up a scene or something like that so like for example let's say that I wanted to light up kind of the back of this rendering I could take this Omni light and I could place this in the back and you can see how that's lighting everything you can see hey my light is adjusting dynamically as I move this around so let's take a look at a few of the different options that we have for editing our lights so you can turn your light on and off by clicking right here and there's an option here to upload an Aes so if you want to use a certain kind of light you can actually upload a file in here so that this will be a correct lighting and one thing I will know is it's probably a good idea to make sure your models which are the correct scale if you're gonna use an IES light because you're trying to figure out accurately how a light is gonna have how a light is gonna light a space in addition there's an option in here to adjust the intensity so that's gonna adjust how bright this is and how much light it's going to emit so you can see how you can either drag this up and down or you can type in a value so I could type in a value like 5,000 and hit the enter key to set this to a value of 5,000 I'm reflection is gonna affect how much this light is reflected or how much this light bounces off a surfaces so you can see that bouncing more off of this surface over here because that surface has a higher reflection value set maybe then some of the other the other materials inside of your rendering you can adjust the light color so you can make this either a cool color or a bright color by clicking and dragging this up and down under the more function you can also create a colored light if you want to so if you wanted like blue light or something like that you could add that using this as well I'm radius is gonna affect how far out this light affects everything in your rendering so right now you can see how this is affecting everything in a 17 foot radius if I drag this in you can see how it's only gonna calculate my light inside of a 6 foot radius I would recommend keeping this as small as possible because the further out this has to go the more calculations twin motion has to do and the more it's going to kind of slow down your PC on the other hand do make sure that you make this wide enough that your light actually gets into spaces like this back space so you don't have this weird like shadow area in the background so one function I really like about this particular light feature is that you can actually set it to cast shadows so you can see how this light right here you can actually turn the shadows feature on and you can use this artificial light to actually cast shadows inside of your rendering so you can see how if I do this this is basically casting a shadow based on anything inside of your model so these chairs are casting shadows and other things like that that's a really nice feature I will note though that sometimes you may not want to turn that on because that's gonna create a whole bunch of additional calculations your PC has to do so be kind of choosy on when you use this and then day cycle is gonna set if your light is on or off or if your light turns on or off depending on if it's nighttime or not so you can see how inside of this if I dragged my time like this that light doesn't turn on until after a certain time so at 20/20 it doesn't turn on at 2026 it does turn on so you can set all of your lights so that they only turn on when when it's nighttime so that you're not doing a whole bunch of complex lighting calculations in here during the day during your daytime renders so that can be a real processor saver so we've talked a little bit about the Omni light let's look at some of the other lighting options that we have inside of twin motion and I will note by the way that this this can kind of be treated like other objects inside twin motion in the sense that in the sense that I can move it like this and then also if I can ever get it in place properly you can also copy it like other twin motion objects so if I have this selected and I hold the shift key and drag this this is going to create a copy of this and the copy function is going to come up and I can use this to create multiple different copies so in this case I created two copies and you can see how for each one of these these got created as instances of the same light meaning if I was to come in here and adjust like the color of them or something like that for one of them you can see how all three of them are going to change so because these are instances of the same object these are all kind of linked so that now if you change one the others changes whelk which can be a huge time-saver so now let's talk about some of these other lights over here so in addition to an omnidirectional light you can also add a spotlight and so what a spotlight is gonna do is wear an omni light shines light in all different directions what a spotlight is gonna do is a spotlight is gonna shine light in one direction so a spotlight is basically a light with direction so you can see how as when I place this this light is only shining in this direction and so what that means is you can point this at different locations or different things inside your renderings so you can see how by adjusting the rotation here I can adjust the direction in which this is pointing so you can use this to point in a certain direction you can also adjust things like the angle so like for example if I adjust the angle in here you can adjust how how directed that light's going to be so you can see how if I put a very uh if I put a very small angle in here that's only gonna shine like right on one point or if I click and drag this up like this it's gonna the light's gonna go outward a little bit more so you can use this to kind of adjust the the way in the direction in which that points and then the other thing you can adjust is the attenuation meaning how far the light is going to travel from this particular light so if I turn my attenuation down you can see how the lights going to travel less distance so like for example I can turn my attenuation to like six feet and all it's going to do is cast on the point if I turn my attenuation up higher then you can see how that light's gonna go further and after a certain point that doesn't really affect this too much anymore but you can see how you can definitely use this in order to in order to really fine adjust where your light goes and how far it goes and things like that this will also cast shadows so you can see how I can turn on shadows being calculated based on where this light is located and there's multiple different lights in here that act different ways that are all spotlights so all of these IES lights are all spotlights but they all act different depending on which one you select so you can pick the ones you like and bring those into your rendering so there's also an option in here for a neon light and the neon light is gonna act more like a light bar or like a long light so you can see how when I bring this in this light is gonna be more rectangular in length and you can see how you can click and drag this to adjust the length of that light so like for example in this case I don't need this to be any longer than this opening in here so I could adjust the length of that using the settings over here and I could kind of find place this so you can see how you can adjust and rotate that light as well but it's basically like a bar that shining light outward and you can set if that cast shadows as well as well as all the other settings that you could set with the other lights and so one of the things that's a little bit unrealistic about this right here is that at the moment I've got kind of a I've got a light in here that is casting light downward but the problem is it's unrealistic in the sense that there's really no there's really no point that that light is emitting from right so it looks really weird in here because there's nothing that this light is coming from it's just shining light down here and there's no point in here and I don't know that you can turn a point on into in motion and so what you need is you need to add something in here that kind of shows you where the light is coming from and so what we're gonna do just for this example is we're just gonna add a primitive real quick so primitive it's just gonna be a shape that you can drag into twin motion and I'm just gonna scale that down but what we're gonna do is we're gonna apply a special kind of material to this called an emitter and so what an emitter is gonna do is that's actually going to be a material that emits light and so in order to do that we've got this point in here well we're just going to use the material picker and we're gonna select this and what we can do is we can use we can apply a color to this that emits light so in this case we're just gonna leave it as the in base color for right now and I'm just gonna go into my settings I mean if you look in your settings there's actually an option in here for glow and you can see how what glow does is this will take this material and it'll make it actually emit light so now what we have instead of what we had before is now we've got kind of a spotlight look right here so we've got a spotlight right here but then we've also got an object in here with a material applied to it that actually glows so this is going to emit light and so one thing I'm going to point out is a lot of the time depending on the surface area of your light the more area you have the more light this is going to emit but like for example if I go in and turn off this spotlight you can see how this little I isn't enough to really light this area by itself so usually what you'll see is you'll see a combination of spotlights or Omni lights and emitters like this in order to really kind of fill out that lighting inside of your renderings yeah and I do want to note there are a couple other materials in here that are also emitters so not only can you set a material as an emitter like we just did we can also look into our materials and we can see that there's some neon materials and so when you drag those in and apply those to something like let's say I applied that to these countertops you can see how these countertops are going to emit light and so when these emit light you can see how they're lighting my scene and because there's so much surface area those do a better job of lighting the scene so a lot of the time where you use this if you have a is if you have like a hanging lamp like this one you'll apply a color to the lamp and then you'll go into your settings and you'll turn the glow up and in this case this seems to be taking on the glow of these spotlights pretty well so it's probably not that big of a deal but a lot of the time you'll set the materials inside of these to be an emitter so that your lighting looks more realistic all right so let's take a look at one more example inside of twin motion so I'm going to turn my daytime on so we can see a little bit better but let's say for example that we had this space in here but then we wanted to add some lighted objects like some bollards outside well what we would do is we would go into the furniture section in the city and we would look under streetlights yeah and I'm just gonna drag this enticing streetlight in here and obviously this is supposed to be used for something else but we're gonna use it for this so we're gonna go ahead and we're gonna scale this down and then we will set this or rotate this 180 degrees what you're going to notice when we get into nighttime is this light right here is set as an emitter so this material on this face is set as an emitter if you go into the settings the glow is set to a hundred percent well what we would do is for this particular object we would add a spotlight so we'd go to lights and we'd select the spotlight and probably I would select one that's maybe a little bit a little bit whiter not quite as not quite as directed so maybe something like this IES ten and then we would add this in here and we would rotate this so that it points out so what we have is we have a spotlight in here in addition to our emitter and what we can do is we can adjust that intensity up to adjust the brightness that's being shined out here by that emitter material so I could bring that up to maybe like a five thousand or something like that and one thing you might want to consider is actually looking up the values that lights actually that lights actually emit in real life because that'll allow you to get a lot more accurate lighting in here but then we could just take this and select both the bollard and the IES light we would use the move tool and then we would create a couple different copies and I'm just holding the shift key and dragging that in order to do this so you can see how now what I have is I have these three lights out here that are casting light that you can then seam ups from inside your building so and then the last thing I want to talk about is now that you've got this lighting in here you can see how let's say that we were to go in here and we would add a image like this one so we'll just create a new image and we were to render that so we've created our new image we'll go to image four and we'll go ahead and export that and then we open up our image you can see how this gives us a pretty good image but one thing we're not really getting is we're not getting the lighting reflecting off of this glass in here so what we could do in order to get the light off of this class and get this to really kind of reflect that is to add in a reflection probe which we've talked about in a previous video but we'll go ahead and we'll add one of those in and I will link to that video in the notes down below but it's just in volumes in your library and so what the reflection probe is gonna do is this is gonna set this that it's actually calculating the reflections of the light inside of this rendering so what you'd want to do is you'd want to make sure that this box is going to be big enough that it contains all of your different glass in here but you can see how now I'm getting a reflection off of this glass that I wasn't necessarily getting before so with this reflection probe in here and note that that will make your computer run a bit slower so be kind of choosy about how you use this but let's say we have a reflection probe in here and then we do another rendering so we'll just export image zero for again so this is our original image and I'll kind of shrink this down and then this is our new image right here and you can see how now we're getting some reflections of the different lights coming off of our glass that we weren't before so by adding those reflection probes and using those the other thing is you'll notice that the the contrast of the shadows here is much more realistic on this one than it is on this one just because this is actually calculating the bouncing of the lights you can use the reflection probe to get that extra little bit of realism inside of your rendering so that's kind of a quick overview of the artificial lighting types available inside of twin motion if you want we can get more in depth on some of the features or something like that but this should give you a pretty good idea of where to get started if you like this video please remember click that like button down below if you're new around here remember to click that subscribe button for new rendering content every week as always thank you so much for taking the time to watch this I really appreciate it and I will catch you in the next video thanks guys

Channel: The Rendering Essentials

Views: 35,108

Keywords: rendering tutorials, SketchUp rendering, the rendering essentials, therenderingessentials, photorealistic rendering tutorials, architectural visualization, twinmotion interior lighting, twinmotion artificial lighting, twinmotion lighting tutorial, twinmotion shadows, twinmotion spotlight, twinmotion omnilight, twinmotion interior lighting tutorial, twinmotion night render tutorial, getting started rendering in twinmotion EP 8, getting started rendering in twinmotion episode 8

Id: JzCwUNLoVJw

Length: 18min 4sec (1084 seconds)

Published: Thu May 30 2019