I tried so many different things i probably did them more than once. What im talking about is removing the transparency information only set alpha to ff for all pixels so the whole image is full visible. This method is normally useless for a single layer because you can just use a layer mask, but you cant have layer masks for a group of layers, so thats when it comes in handy. This is not a ck question, but i am at a loss as to where else to post it after all this is where modders congregate. Image data may be stored raw, or optionally, a lossless rle compression similar to packbits can be employed. We support using rfactor pro as a visual component in driving simulator. You can check this by clicking on the channels dockable dialog. Well i have to add that my suggested macro does not export semitransparency, but leaves the process of shadowblending to powerpoint. Feb 25, 20 to edit the dds file, just open it with image editing software. Gimp mustve taken the alpha channels, i found a dds plugin for. It is possible to have a layer act like an alpha channel for a layer or several layers. Check out the many mods on offer for rfactor 2 here at racedepartment as well as our community created car setups and popular online club racing scene. Alpha channel is a mask that only use black, white or gray color.
Most rfactor templates have their default alpha channels much too bright, so the cars are too shiny even if you dont do anything to them even if you managed to save the alpha with your dds in. This is very useful for apps icons or images for web design. If you continue to use this website without changing your cookie settings or you click accept below then you are consenting to this. Gimp is an excellent, pixelbased, image manipulation and editing program. Color data can be colormapped, or in direct color or truecolor format. Having an alpha channel allows us to add transparency to our image. Remember, i want to leave the rgb channels untouched. In gimp, how do i make part of image transparent manually. Now after the existing lite install failed to work i did some research and found that the old final v1255 version doesnt work with win 8 so isi have released a few updated versions recently. I find the best way to do this in the gimp is to use a layer mask right click on a layer and create mask.
By deleting things on the image, we will be able to see underneath. How to paint a car with the new material system users guide. If you wish to make the image transparent, make sure you set the layer to transparency when you make the layer. We will see next how we can use the alhpa channel from text to. The way i do my alpha channels as im sure there are quite a few. If your image has only one layer, this background layer has no alpha channel. From the combo box you can access all the modes provided by gimp. Making an edge fade away into the foreground is a common image editing technique. Im trying to create a corona effect like the suns corona in an image using gimp, but im having trouble editing only the alpha channel of the image. Gimp is a crossplatform xp program for the linux, unix, mac, and microsoft windows platforms.
View 2 replies view related gimp direct editing of alpha channel mar 21, 2012. Few months ago i made a first introduction to gimp. I selected the subject using the lasso tool then saved the selection to an alpha channel i assume that. An alpha channel is automatically added into the channel dialog as soon as you add a second layer to your image. Gimp tutorial that explains alpha channels and transparency. When you try erasing parts of an image when theres no alpha channel you get backround color. If you create your image without transparency then the alpha channel is not. Unlike photoshop, gimp is free and does not need to be registered or activated. If you add a new layer, even with an opaque fill type, an alpha channel is. This command separates the channels rgb, hsv, cmyk.
May 18, 2016 rfactor 2 community member sven hielscher aka funk. Is there an easy way in gimp to invert the alpha channel of an image. Skinning with gimp 1 by mike leister rfactor addons. Keep in mind, a channel can still be edited even if it is not displayed. As far as i can see, its not the alpha channel that is the problem. Feb 11, 2016 i know is about the alpha channel i just dont know how to fix it. For more information about gimps interface check out this gimp video tutorial. Before you do anything else, go to the channel editor, right click on the alpha channel and choose duplicate layer. In rfactor and gsc you can control how shiny the body paint is by using black completely matte or white mirrorlike and shades. At the time of this writing, gimp only supports the rgb red, blue, green and the hsv hue, saturation, value representation of the color model. Several irc channels and mailing lists are available for discussing gimprelated topics.
Gimpchannels wikibooks, open books for an open world. Has anyone else had this problem or knows how to fix it. A good way to visualize a gimp image is as a stack of transparencies. To edit the dds file, just open it with image editing software. How to paint a skin for srs using free editing software. Gimp is one of a few powerful programs that let a user fade the edge of an image to his exact needs. The channels dialog is the main interface to edit, modify and manage your channels. If you create your image without transparency then the alpha channel is not present, but you can add it from the layers dialog menu. Quickest way is to right click on the layer and choose add layer mask. I want the rgb to be pure white 255, 255, 255 and the alpha layer to have a brush effect applied to it. You can find this command in the image window menu under colors components decompose.
A dialog box will ask you how you want the layer mask to be initialized. Transparent should be opaque, opaque should be transparent, almost transparent should be almost opaque, etc. Here is an example which cannot be exported to tiff file because of a notexisting alpha channel. This command removes the alpha channel of the active layer, keeping the alpha channels of the other layers. For example with photoshop, the file will be opened as one layer and four channels each rgb channel and alpha channel. Dec 18, 20 gimp unable to unlock alpha channel dec 18, 20. Many community members myself included have an interest in creating our own custom skins for our favourite sim cars but. Not sure what i need to save the file as to get the windows and lights to look. If its disabled, that means there already exists an alpha channel on that layer. Color channels apply to the image and not to a specific layer. The cookie settings on this website are set to allow cookies to give you the best browsing experience possible. Some elements already come with alpha channel, like text. The layer will then have two images associated with it the rgba image and a grayscale layer mask which acts as an extra multiplicative alpha channel.
When your layer does not have an alpha channel, its name should be bolded. The alpha channel is therefore not needed for the body, only for the windows, which is why you save the body as dxt1 and the windows as dxt5. The format can store image data with the maximum 24 bits of rgb and an extra 8bit alpha channel. Cyclonesues tutorial explains exactly which ones to pick on page 5 of her tutorial when using either paint shop pro or photoshop, but not gimp. Custom alpha channel tutorial for gimp advanced skinners. May 20, 2014 the alpha channel is therefore not needed for the body, only for the windows, which is why you save the body as dxt1 and the windows as dxt5. The figure below shows a high level setup required for running rfactor pro viusals with simwb.
Irc offers realtime communication, but be aware that there may be long periods of silence in the channels when other users are busy or away from their keyboards. By continuing to use this site, you are agreeing to our use of cookies. I made a tshirt design on gimp but when i tried to print it the alpha channel was printing as black. I use the fomm bsa extraction tool to extract the dds files and i use dds. Basically, three primary colors are necessary to render all the wide range of natural colors. If this is pressed down, then the alpha channel for the layer is locked, and no manipulation has any. If that channel doesnt exist, exporting as dxt5 wont matter as the format will still need that channel. This is more or less a companion grayscale layer on which whatever you drawpaint is interpreted as the alpha channel of the parent layer. Layer transparency remove alpha channel does much the same as flatten image. If you edit alter the orginal alpha channel you can get a new one from the alpha channel group on top of the layer tab. I dont know how to create an alpha channel in gimp, but you need an alpha channel to make a.
This will put a duplicate of the existing mask down below the existing channels. You say the alphachannel is a fourth image component besides the r,g,b ones that controls the opacity of the pixel. Is there any way to edit it to shuffle tiles with alpha values. My link but when i get to the part where it says to add the alpha channel add alpha channel is greyed out in gimp. The color to alpha option makes the entire pixels of the current layer to be crystal clear and to have a selected color.
You need photoshop for windows,dds plug in is currently not supportign the correct compression format dxt5 argb 8 bpp interpolated alpha you cant do windows in gimp, with the dds plugin with the relust you want witch is windows that look liek windwos. You say the alpha channel is a fourth image component besides the r,g,b ones that controls the opacity of the pixel. In gimp layers can either have an alpha channel or have no alpha channel. I found that this works as far as the background is not set to black background in the processbinaryoptions maybe a test can be added to see how. I know is about the alpha channel i just dont know how to fix it. This can lead to problems if you dont catch it early, and may require undoing a large number of edits to fix. It seems to be a bug i do not know the only remedy is. Be sure you get the correct plugin for your version of gimp, not your operating system i.
I thought that just made whatever color channel used for the alpha channel, so itd be across the whole image. First of all i use gimp, im new to these type of programswork. Nondestructive way to edit alpha channel in photoshop. One needs to be a redhawk system running simwb and the other a windows 7 system 64bit system running rfactor pro. Also, if you have more than one layer in your image, gimp automatically creates an alpha channel. Apr 26, 2007 most rfactor templates have their default alpha channels much too bright, so the cars are too shiny even if you dont do anything to them even if you managed to save the alpha with your dds in. I just want to temporarily ignore the alpha channel ie. To access your alpha channel you have to switch from the layers dialog to the channels window in your righthand toolbar. Transparency this is what tells gimp that there will be an alpha channel.
For one thing the alpha layer is not shown in the layer browser after the image is shown. Discussion in gimp for windows started by pulpnash, mar 12, 2012. Most rfactor templates have their default alpha channels much too bright, so the cars are too shiny even if you dont do anything to them. Most of the time, that alpha channel, stored in the albedodiffuse map, should only contains the carbon fiber specular bits. Oct 16, 2010 the way i do my alpha channels as im sure there are quite a few. But creating a new image, rgb, filled with white, and then adding an alpha channel doesnt allow to copy all four channel at once, and leave the alpha channel at 255.
Leave a comment and give the video thumbs up if you understand, or if you already knew this. I do understand the layers concept and transparency. Check our the rfactor 2 forum here on racedepartment for all the latest news and discussions. In this case, you can add an alpha channel with this command. We realize that building cars from scratch is a painstaking project at times, and it seems like most of the time people dont realize how little we know when we start. How to scale the alpha layer without scaling the image.
Have a look at my post here for more detail on using the alpha channel. Under the layers tab, right click the layer to edit and choose add layer mask. As other digital software, gimp uses red, green, and blue as primary colors. At the time of this writing, gimp only supports the rgb red, blue, green and the hsv hue, saturation, value. Ive tried that, but that seems to bake the alpha channel into the colour channels, then remove the alpha channel. I am having issues rewriting one of the default logo scripts in gimpusing scriptfu based on scheme. To edit the alpha channel, add a layer mask and apply the brush effect to the layer mask. Join in with the community and share your thoughts and opinions on this racing simulator.
My primary question is in regards to picking the correct format for saving the multiplier and specular files, with regards to the alpha channel. In rfactor alpha channel use to define light reflection in game, white color will make light. If the active layer is the background layer and if. Several irc channels and mailing lists are available for discussing gimp related topics.