![]() Also, when you're playing on a LED wall, the people in the front are now acutely aware of how silly they look and that that one boy they were flirting with is actually a speaker with a coat hanging from it. Soup tastes great, but it's not very nice to look at. ![]() When using as little as 3 layers together, the result quickly becomes a white soup. The danger with Add blending is that, well, there's no other way to say it, it adds up. A good composition gives each layer room to breath, instead of smearing every pixel shut. 3 layers can already be more than enough. It's very easy to keep stacking layer upon layer, but as the saying goes, less is often more. This is a good moment to talk about composition, as in how you compose your overall visual output. If you're a shortcut type of person, you can hit CTRL-L (or CMD-L on a Mac) to add a new layer as well. The New option adds the new layer to the top of the layer stack while the Insert options add the new layer above or below the currently selected layer. New layers can be added with the Layer > New and Layer > Insert menu options. Or at least until smoke starts coming out of your computer. Of course, you can have as many layers as you like. This is why black pixels become transparent when using the Add blending mode. Black pixels have an RGB value of zero, and adding zero to something doesn't add anything. This is a great way to mix clips together that have a black background.ĭon't care about math? Feel free to skip ahead. Using Add, you simply add the new layer on top of the previous one, adding the pixels together. ![]() This way, every layer you add can be blended with the ones below it, in a variety of ways. The new layer of paint will blend with the paint that's already there. The fun really starts when you start blending layers together. Or grab the 'M' slider to control both at the same time. Similarly, if you're playing audio, you can use the 'A' slider to fade the audio in and out. Simply grab the 'V' slider to fade the layer in and out. It will fill the entire canvas and you have full control over how thick you apply the paint. The first layer of paint is always applied on black. Since we're artists painting a masterpiece, and not writers writing a novel, the first layer is the bottom layer. However, it's very rare to start a painting by applying the top layer first, and then gradually adding more paint underneath. I guess that's because we're used to reading a book starting at the top left of the page (in a Western culture anyway). Some people think that the first layer should be at the top. It's your little world, and you can make it as happy as you want it. Then we add Layer 2, then Layer 3, slowly adding more and more layers on top of it, until we have a masterpiece. Layer 1 is the first layer of paint we put on. We start at the bottom, with a blank canvas. Every layer is a layer of paint on your canvas. ![]() Also regarding ground loop - Isolation circuit is not needed for me as I pan to place the Pi as near to the lights as possible getting the power from the same outlet, and the the ethernet is already Isolated.Think of your composition as a painting, and you're creating 60 artworks per second. I made a custom PCB with an ADM485, taking the power supply from the 5V line, and the signal from the TX of the Pi to DI, set the ADM485 to send mode by connecting both DE and RE pins to 5V with a pull up resistor, then soldered a 3 pin XLR directly to the output.Īs I am not receiving data the 120R terminator is not needed on the sender side. If you are into DIY, I have made a fully working artnet to dmx converter with a raspberry pi and OLA, that works nicely with resolume.įor the setup and some schematics see here. (and BTW Enttec shipping policy limits possibility to get one of thous devices in some countries, like for example Russia ) Of course it not suitable for pro level applications, but if I need to drive just few LED PAR in small space to addition for projections, Open DMX controller can be perfect solution.įor me, Resolume USB DMX feature looks a bit useless because it supports only on 2 very specific device It's so many devices on market, easy to get one or you can simply build one yourself (DIY) for 10-20$. It's will be nice to have Open DMX supported in Resolume. I think Resolume will not work with virtually any cheap USB DMX interfaces, because mostly all of them based on the FTDI 232 (USB to serial converter) + MAX485 (RS485) chip, including EntTec Open DMX USB Resolume detect Open DMX USB devices as USB PRO (I think it's mean Enttec USB PRO), and even send signal on it (FTDI chip receiving some signals), but the signal not make it to physical DMX output, because Enttec USB PRO have a bit different hardware, unlike Open DMX. I have tried few Open DMX USB device with Arena 5.0.1:
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