No valid xgen node specified reddit maya Please help. . Thank you very much. The second option will likely color 'clumps' of hair rather than random strands, unless you really push and pull the settings, so the first is probably better. Sometimes it decides it can’t find the groom mesh anymore and won’t load the xgen windows. Xgen hair are visible in Maya viewport but when I render in Arnold some descriptions aren’t visible. The driver is NVIDIA GeForce GTX 1650 and I am using Windows 10. That should work :) Welcome to the Autodesk Maya Subreddit. I copied a previous version of the . Jonah Friedman: Maya will likely continue to have multiple editors for node graphs, since these graphs are not all the same and need different functionality. xgen file itself. Oct 8, 2023 · To solve issues with unsupported Xgen nodes when working with Cached Playback in Maya: Set an Environment Variable in the maya. I could run xgen fine on my old 2012 MacBook on Maya 2019 but on my new one I can’t because neither of my graphics cards are officially supported by autodesk. I have tried unloading xgen plug in and reloading, but still arnold is missing. Maya needs a major rehaul imo. How can i make it update automatically in render view. Speaking about Xgen, is the only solution to getting xgen not-crashing when using centimetre units really to scale the whole mesh down, apply the xgen, and scale it back up? Because doing so seams to introduce it's own weird bugs and issues, and considering 1 Maya Unit = 1 cm is the default option in Maya in the first place, it seams weird that So I tried to give this object some fur. xgmMakeGuideDynamic(createFromCurves = True,deleteCurves = False, pre maya/xgen/arnold Hope this is the right reddit to post on. Are there best practices I should be following to avoid the instability that I'm just not aware of? I'm generally so confused and haven't been this frustrated trying to do something for work in years. Select this new node, then try creating new cache again. Some of them are different views of the same graph - (Node Editor, Hypershade, Hypergraph are all different views of the Maya DG) but some are entirely distinct (Bifrost, ShaderFX). env is a file that tells maya where things are located by setting variables. you can use the amblemic groom, but you need to do 2 things, add a principle bsdf shader, and then above the shader tab (the beach ball tab) there is a new tab with a backward looking c, its green, kinda looks like a phone cord, that will allow you to adjust the What are some nice things, what makes you frustrated. We share and discuss topics regarding the world's leading 3D-modeling software. is sounds like you are using a mask on your description and if so chances are you painted it in using the Maya Artisan tools (i. Anyway, does anyone know how to randomize hair colour per strand, using diffuse as the main colour driver? I know color randomness can be achieved by melanin and melanin randomness but the hair colour that i need to achieve is not possible with just melanin. Import works fine but couldn't figure out a way to convert via Python/MEL. I read a solution where you opened Maya. xgen <-- move this one to trash. In these projects, there are the . We share and discuss topics regarding the world's leading 3D-modeling… Welcome to the Autodesk Maya Subreddit. I saw Ornatrix has a new hair volume solver that seems like it would fix those annoying issues I see with xgen, and Yeti has my interest because of it being node based. I have incremental save enabled, but when I open one of the saves, there was no XGen collection included, and the only XGen file there was in my… Welcome to the Autodesk Maya Subreddit. I followed a tutorial from J Hill but I cannot add any guides. Now I manually update an . This is my first time doing more intense fur/hair gen stuff, so I don't 100% know my way around Feb 24, 2020 · Hello, I have an issue with Maya not allowing me to use the sculpting feature of the "interactive grooming tools" for example the comb brush. The material of the fur is the one XGen applies by default, I just changed the colors a little (which didn't solve my problem). I just figured this out myself and while looking online this is like the only thread i found, so i felt i should put my solution. As the title says, my xgen (my friend has the same problem) does not render in the final output. ? I asked the question on The Maya page on fb and they linked me to this forum. Apr 24, 2017 · Lately I struggling with interactive xgen. Then go back to the noise node, scroll down to color balance and push the Alpha Gain way up. Default output is just a mesh. Next I would check out the new workflows for Maya 2017 update 4 for XGen and many things have changed since that video which will not work as dictated in that video which is for Maya 2015. 错误:没有指定有效 Welcome to the Autodesk Maya Subreddit. 03 in the picture. I mean look at houdini or even blender… how things are integrated within the same workflow. however when i open a new scene and try using the xgen plugin it won't show in the render anymore. Thoughts on the preferred production tool out of these 3, or should I jump ship and focus on houdini maybe? Welcome to the Autodesk Maya Subreddit. Xgen doesn't seem to update in render view but when i refresh the hair in viewport, it updates. I've found this tutorial, but at the MEL scripting, things go bad. I think I found your problem. xgen file. That way it'll stop updating, and you don't have xgen nodes directly interacting with your rig. Top level nodes with geo input/output for simplicity. I cannot cache my animation in my scene because I get an error telling me there are unsupported XGen nodes: # Warning: Cached Playback: Safe mode - cache disabled as unsupported nodes were found in the scene. The arnold renderer renders it fine. I desperately need to delete the history on a Maya file but something in my rig is dependent on my history. 0 Introduction to the new Geometry Nodes in Blender. 93 New Geometry Nodes Tutorial. env' which should be located in the Maya preferences folder somewhere, as an example Documents/maya/2022. TBH I haven't used a hair system in close to a decade. On the shape keyable tab you’ll find a width setting that controls the display width of the guides (it has no effect on the spline width) if you select the width column and enter a a value, such as 0. Maya shows me this error: # Error: AttributeError: file <maya console> line 1: module 'xgenm' has no attribute 'XGTip' # Make sure you didn't change the objects name which you're applying xgen, because it can be really picky. It needs to work in realistic scene scale. The viewport is significantly delayed. Two: I updated maya to 2019. I'm using Arnold, I rigged a character and created a test animation. env file. I don't know if this is usual or not, but I only had the . When I try to Generate/Create new cache it says : No valid XGen node specified. Thankx. Really helpful message. mb and . Also changed the renderer to Arnold but no luck. It will say something your map if you are using grooming tools, otherwise it will have a number. Here's an example of what I've got currently, and this is roughly the transition I'm trying to get, maybe a bit less than that image. Ive tried generating new guides, changing clump map density but i cant get it to work. Node editor, material editor, xgen, mash, render setup, old ass paintFX and bifrost…? Autodesk, can we have a unified UX please? Houdini has it nailed. With arnold using cpu, everything looks like it should. Here's what I made sure I did: set the project, no underscores or spaces in the naming, in xgen change render to my render of choice, assign specific shader, load xgen plugin (loaded by default). MASH is definitely the easiest, simplest way of doing this. No scripting or xgen expressions needed, simple drag drop interface, simple modifier stack and plenty of functionality. Depends which Xgen type but you'll need to look into using an Xgen expression, or apply something like a fractal map to the Root and Tip Color inputs. This is no problem for hair plates, but the full body groom is too large I think. Hi, i'm using Maya 2018 because i wanted to add hair with XGEN interactive groom to an old project. When I got it ready, I added hair. I like about 5 but up to 12 can work depending on the groom. I've never used Xgen Interactive Groom Splines before. 请问 maya用xgen做的头发导出abc格式为什么会报错 还有一种我导出缓存 报 // Error: No valid XGen node specified. painted it in with maya) . All changes to materials and fur are done in this 'master' file. You can also try using the newer xgen interactive and see if you prefer that. cmds. e. I've been able to use XGen many times before so this problem is quite new, and I can't think of anything I could have changed to cause this. Blender3D - Creating a semi-procedural Building with Blender 3. //" On my Output window indicates "OpenCL evaluator is a If you need more complex shading with different colors at the root and tip, use the xgen_root_tip_color_blend node. In the primitives tab of xgen, you have an attribute for length. mb myproject_17. env file, simply open it with a text editor and take a look for this line >>> Sep 19, 2017 · @Anonymous . Core xgen is always the way to go in my opinion. you can then rig the clip for some ambient movement and have it control the hair without dynamics as well but Xgen has a lot of flexibility and I have come to use I understood this to be a graphics driver issue, a variable in the environment file, or a setting within Maya's preferences, all of which I explored in an attempt to fix, to no avail. When I delete nondeformer history, for the mesh individually and with "delete all by type, nondeformer history", my characters eyes and other parts of the rig break. Need to get soupy with attributes? VEX/VOPs. Plug a noise map into the amount, open its placed2DTexture node and change the RepeatUV to 6,6. TL;DR: Basically I get a warning “OpenCL is disabled” whenever I try to use xgen tools and idk why. Hello, I'm trying to learn how to use xgen hair but there is a massive viewport bug or something, where it very frequently doesn't display my xgen hair. Another reason I wanted to use Xgen was so I could export the hair as Alembic directly into Unreal where I'll be animating the character. Maya remembers this setting from the last session, not the last time you worked on this file, so if you groom often, it may get turn on. I found a workaround that worked for me. env file needs to live. I'm working on some fur with XGen in Maya 2018 and I'm looking to add some gradation to the color shifts in my fur. I'm making a scene, that has a lot of grass, at first I used the old x gen, but found difficulties in using it, such as, how to decrease the amount of grass in a certain area, and the collision modifier is way easier using the new xgen. 02, all the guides will have the display width set to that value. Xgen, like many things in Maya, feels like a piece that was added to the puzzle without real thinking behind it. Nov 11, 2020 · It seems you need to go to Generate --> Convert to interactive groom. The third thing is more of a note, that my maya never saved a . Mar 30, 2020 · I've read on other threads that it is possible to make cache from Xgen hair but I failed doing it. I’ve checked the shaders. The other problem is the poor integration with the rest of maya. But the damn thing always gets corrupted or can’t calculated clump maps without rebuilding them all after making updates to region maps. You need to save textures twice. C:\users[your windows username]\Documents\maya[the maya version, e. the maya. xgen file, and named it so it matched the current maya file version. Any input welcome. Hello! I have an issue with xgen. Perhaps run a search to find the exact location on your machine. Hope this help 🙂. Nov 1, 2018 · Curves to Guides with Python/MEL Hi, For my current Houdini/Maya project I need a tool for quick conversion of externally generated curves to Xgen. That is, my scene saved in the scene folder and the . If you would plug all the curves that you gave paint effects into xgen, you would get a much better result. The re-imported data is several splinegroups. So many people feel Bifrost is late to the procedural party. Have a node you want to connect into an existing Welcome to the Autodesk Maya Subreddit. The issue is as follows: I have a character in one scene, textured, and using XGEN for the fur. (Maya 2017 has a completely new and improved Xgen system which may work better than the old broken one from 2015-2016). We share and discuss topics regarding the world's leading 3D software. Also the mesh i generated from is slightly Welcome to the Autodesk Maya Subreddit. By the look of your screenshot, unless your scene units are set to meters, your scene scale is extremely small. And if you did just change it back again to the original name. This value needs changing almost per frame, and is not keyable as it is hard-coded in the . But I cant get viewport 2. When I try rendering useing sequence render the xgen comes out no problem but when i try to render using batch rendering the hair doesnt show up in the render I've tried exporting patch for batch render, and then enabling aux patcha nd linking it to the abc file, and then I even tried to put the abc file in the cache file for the animation and First you'll need to locate the Maya environment file, or 'Maya. xgen file and description files by exporting them from the menu, in case anything would crash and disappear again. The script indicates "// Warning: XGen(Tip): OpenCL is disabled. Click a flair to sort by topic and find a wealth of information regarding the content you're looking for. See for reference: Setting environment variables using Maya. So I'm doing this by hand atm, going through 1 frame at a time, click "auto" button to get a new value and run a script to export Arnold standin. No matter what I do. - request for rotation brush- request for inclination brush- request for placing brush - move option- display values for current guide length etc- lots of "invalid number of points" errors . Hi, my Xgen clumping modifier is not getting all hairs and i have no idea why. I get the message Welcome to the Autodesk Maya Subreddit. I'm trying to populate a mesh with Xgen archive instances, which I would then convert back into regular mesh for further modifications. cmds as cmds def connect_xgen_guides(): guide_nodes = cmds. For even more control, you can use the xgen_hair_length_mapping node to use a ramp along the length (which can use xgen_ptex_lookup nodes at specified points along the ramp). I've been trying to find help on google, youtube and autodesk support but got no help… Please help me. 2019] that is where the maya. 0 to show it. This should create a new node with "_splineDescription" suffix for you. listConnections(node, destination=True) if not downstream_nodes: continue downstream_node = downstream_nodes[0] Sep 9, 2018 · After a good amount of time spent on xgen I increment saved and exited maya. 11-11-202005:09 PM. Maya just hangs trying to export it and UE4 won't like importing something that big. Now when i open the scene my xgen collection and descriptions do not load. I was doing some grooming and everything was working fine. xgen core needs a complete rework so that all the files are saved within a single maya file. Today I opened an older version of the project containing the same groom, and in fact I was able to use the grooming tools, no "OpenCL disabled" issues. one: i just renamed one of my scalp geo which i now have learned is a big no no with Xgen. for the difference in hair shading, that is probably your viewport settings. It overwrites the default renderer in the xgen file and breaks the scene. See output window for more details. best advice I can give is either don't use Maya to paint masks on a complex asset like a character or paint it first in Maya and then tweak it in photoshop. Nhair is Maya's hair physics tool and is (amongst other things) used for hair simulation in combination with xgen. So i have been struggling for a while now with xgen. I hope you can help me cause want to use XGen and not ZBrush fibermesh for hair cause the groom brushes are bit hard to control. Maya's painting abilities are pretty bad, so you can also paint maps for xgen in software that supports ptx, such as Mari or Mudbox. So I'm running Maya 2019 and trying to use Xgen to make a hair groom for a character using tube grooming. -> I have "update preview automatically" enabled so it should work -> Reseting maya preferences doesn't work Welcome to the Autodesk Maya Subreddit. Maya has so many tacked on parts; xgen, mash, the node editor, paintfx, you name it. Xgen seems great when it's working, but seems so unstable. NO. Welcome to the Autodesk Maya Subreddit. Dec 17, 2024 · Hello, My XGen files won't save anymore. In the xgen tab, click on description>set stray percentage then set a percentage, you can change it later, but start with something like 5. This file is then referenced in another Maya file, in which all animation adn lighting of that character is done. 76K subscribers in the Maya community. g. There are also some hacky ways to use a UV-based texture by overwriting the tif that xgen saves, but I won't get into that here. Need it more verbose? Dive into the node. Even working with the cache takes ages. I found this page from Maya support which details steps to solve the problem: import maya. Xgen has many workflows but what I would do is have separate grooms where the hair clip is attached to a groom without dynamics, and have the hair clip as the source of the dynamic hair, as a hair clip shouldn't move with the hair. Cheers, Xiao. clump density is 0. 2 just after finishing the session where i renamed that geo. The nodes are still in the outliner, but the xgen window acts like there aren't any, and there's no sign of them in the viewport. See the Script Editor for details. env and edited the values, however I don't have that file, only one called Maya and it's empty. I’ve used xgen a bit but was put off by the bugs… I like yeti’s nodal UI better, personally. That's not a valid name in Maya because of Starting with a number "-" in the name "(" ")" in the name You can keep the ":", but that will mean you'll create a namespace that the object will live in. You have to click create new map and just draw whatever on it, it's temporary. Make sure that 'invert frozen' isn't turned on for the tool. I am new t maya (just installed the trial version) and wanted to try XGen to create hair on a spere mesh. I'm mostly trying to follow this tutorial put out by Autodesk: link Basically, it's the thing where you make geometry tubes and use those to generate guides in Xgen. I created the eyebrows and eyelashes in Xgen but have been having a lot of trouble creating a messy hairstyle with guides in Xgen which has me considering going back to hair cards Xgen is reading the ptex files and displaying the groom correctly. Set the environment variable MAYA_CACHE_IGNORE_UNSAFE_XGEN in the maya. After that you'll go in the node editor, and replace the temporary ptex file with the texture you want to put on the fur. env. I have the XGen_hair_physical assigned to the XGen description, and as seen in the third picture, it Will render color if a basic color is applied through the color wheel. you could also do a mesh wrap to bind the scalp geometry to the character mesh instead of exporting out the alembic cache, and disable the hair by clicking the closed eyeball button in the x-gen attribute editor. Blender 2. This problem only occurs on low clumping density, if i go to 1 for example the problem disappears. I'm looking for advice on an issue I'm experiencing with Maya and XGEN. It's about the Xgen MaxBound value. Now, I've followed what must be a dozen vastly different tutorials by now, but none of them have produced any new results. When you've found the Maya. But sadly in the Xgen Interactive Groom Editor, as far I understand, there is no wind modifier. For some reason, the xgen files stopped saving when I save my scene. Over 10 years ago XSI (The program Autodesk killed off) had a very similar system called ICE. Select the guides then open the attribute spreadsheet. ls(type='xgmMakeGuide') for node in guide_nodes: downstream_nodes = cmds. 0 Geometry Nodes Fields (TUTORIAL) Note: Some Geometry Nodes tutorials might be outdated, since this is still a brand new feature and it's changing constantly with new updates. Im not an expert in xgen by any stretch, but i do know that xgen is sensitive to scene scale. Also if you have renderman inquires regarding Xgen, hit up the renderman community forum there's a lot more active renderman users on there. But now I needed to go back and make a small edit to the density map to remove some hairs from a part of the mesh, and once again I cannot paint or edit the maps. Then save it with the save button on the right. You have to export these to alembic again after the script is done. xgc file and the paintmaps saved. I think my scene is properly iluminated but when i hit "render" with arnold gpu, all hair is rendered white. Xgen core is a pain in my ass. When I try to render this (yes, the scene has enough light, everything else looks normal), the hair is just black. I can already see the xgen interactive fanboys coming in. It needs to be set up correctly. I have also tried rolling back to 2019. Hi guys! I've started to learn maya on top of my previous knowledge of 3D studio max and mudbox. I've checked settings In the output panel, primitive shader settings and tick everything. Example (Maya has to be closed): myproject_17. Feb 20, 2019 · Guys please how do we create a valid sculpting node for XGen so we can use the brushes like comb etc. Hi there. First off all I would recommend you install the latest Update 4 for Maya 2017 and reset you preferences. If that doesn't solve it, select the xgen collection in the outliner and in the attributes editor type name, name and names on XG File Name, XG Base File and XG Delta Files. Below are my questions and problems i stepped onto. Apr 2, 2019 · So, for instance, you need to activate the sculpt layer for the eyebrow you are working on, in addition to selecting the node in the xgen interface. env nees to be: drive:\Users\username\Documents\maya\version e. Now i cant select Arnold in the xgen output. We would like to show you a description here but the site won’t allow us. xgen file saved underneath. xgen that save every time you make a new version of the file. How can you make an xgen description update every render frame. I created a project folder and created some mesh. Even has a "world" node I think, which can allow you to make faux ecosystem, so you can scatter certain plants around trees for example. you should see that your maya. Here's the problem. Nhair is not a grooming tool. You cant expect xgen to reproduce your groom from 3 curves without tweaking the settings though. For the first 16 saves after this, everything saved correctly. kzmc gmrp kfjeuwh rvwdpg sfbbsk qgm xgof rlao bqto wxxgiwpp