Page Contents ×

This page provides information about submitting render jobs to Chaos Cloud from V-Ray for Maya.

 

Overview


Submitting render jobs to Chaos Cloud can be done easily and directly from V-Ray for Maya's interface. This page walks you through the steps of doing so.

We recommend updating the Cloud App to 1.15.2. An update button is available inside Maya’s interface.

 

 

 

 

Chaos Cloud requires the installation of the Chaos Cloud client application. For more information, please visit the Installation of Chaos Cloud Client App page.

If you add a new version of a job you have already submitted, its upload will be much quicker than the initial upload. Chaos Cloud compares every new job to the existing ones, and if there is a match the client app will upload only the changes. This is useful when you make a new iteration of an existing scene and is why it is recommended to keep your jobs in Chaos Cloud while you are still working on them.


Submitting Render Jobs


V-Ray for Maya provides in-built integration with Chaos Cloud, allowing you to submit render jobs to the cloud directly from Maya, using the dedicated Render in Chaos Cloud button. The button is located on the V-Ray Shelf and can also be found in the V-Ray Menu.

 

 

Clicking on the  button will open the Submit to Chaos Cloud window.

 

Submit to Chaos Cloud


The Submit to Chaos Cloud window allows you to choose how to submit your scene to Chaos Cloud.

Two layer modes are available - Single Layer and Multiple Layers, giving you the option to Batch Render in Chaos Cloud.

Clicking on Export and Submit will export the scene and submit it to the cloud for rendering. You will be prompted to finalize some of the settings for the render job in the Chaos Cloud Client App before it starts rendering in Chaos Cloud.

Otherwise, you can choose to do all final settings directly in the Submit to Chaos Cloud window and then submit the scene to Chaos Cloud with the Enable Direct Submit Options button.

 

Single Layer Mode inferface

 

Multiple Layers Mode interface

 

 

Layer Mode Options


 

Keep in mind that you cannot add renerable cameras and/or layers to the render list, after submitting your choice from the Submit to Chaos Cloud window.

 

Layer Mode - Determines whether one or multiple layers are rendered. Some options vary depending on the mode.

Single Layer - Renders only the visible layer in Maya, with the option to render one or multiple cameras at the same time.

Current Layer - Displays which layer is rendered. Make a different layer visible and click on Refresh at the bottom of the window to switch layers.

Select All Cameras - When enabled, selects all renderable cameras to be submitted to Chaos Cloud. 

Renderable Cameras- Lists all available renderable cameras in the selected layer of the scene. Allows for manual selection and exclusion of one or more cameras from the render. In the case where one layer and one camera are present in the scene, no changes need to be made to this section.

Multiple Layers - Allows for one or multiple layers to be rendered simultaneously.

Select All Layers - When enabled, selects all layers in the scene to be submitted to Chaos Cloud.

Renderable Layers - Lists all renderable layers in the scene. Allows for manual selection and exclusion of one or more layers from the render. If a layer from the scene is missing in this list, it needs to be made renderable. 

 

Enable Direct Submit Options


If you enable the Direct Submit Options, you can skip the Chaos Cloud client app and directly submit to render in Chaos Cloud. However, if you are not logged in, you have to visit the Chaos Cloud website prior to rendering. Clicking on the Login button redirects you to the Chaos Cloud website, where you have to enter your credentials. No render can begin, if you are not logged in.

If you are already logged in, the Manage Login button takes you to your Chaos Cloud account, where you can make changes, if needed.

The Upload only option is available only when submitting through the Chaos Cloud client app. Batch rendering produces a large number of jobs, which are remotely rendered simultaneously on up to 100 machines. This costs Cloud Credits and takes time. Enabling Upload only gives you an opportunity for extra inspection of the jobs, ensuring that no resources are wasted.

Logged in preview

 

Not logged in preview

 

 

 

 

The Cloud Projects List allows you to select a project to which the render job is submitted. The render cannot start, if no project is selected.

Abort on Warnings – When enabled, the scene will not be submitted to Chaos Cloud if there are any warnings during the scene processing, such as missing textures or other assets.

Refresh – Forces a refresh of the Submit to Chaos Cloud window. If any changes to the scene or the Chaos Cloud account are made, it is recommended to refresh the window so that they can be reflected in it.

Close – Closes the Submit to Chaos Cloud window.

 

Export and Submit


If you disable the Direct Submit Options, you are prompted to finalize some of the settings for rendering in the Chaos Cloud client app. Different information is displayed depending on whether a Single Layer or Multiple Layers job is exported. For a more in-depth tutorial on exporting Single and/or Multiple layers jobs, visit Batch Rendering with Chaos Cloud.

When you disable the Direct Submit Options, rendering goes through an extra step in the Chaos Cloud client app, allowing the job to be reviewed and changes to be made, without needing to export the scene a second time.

 


Single Layer renders only the visible layer but can batch render multiple cameras from the scene.

 

Select Project- Lets you select from the list of projects in your Cloud account. The + Create New option creates a new project on the spot.

Name - The name of the scene. Can be renamed before starting the render.

Resolution (px) - A dropdown menu that allows for a different standard resolution to be set to the scene: Draft 800 x 450; HD 1280 x 720; FHD 1920 x 1080; 4K 3840 x 2160; 8K 7680 x 4320.

Width (px) - Allows for manual editing of the width of the scene.

Height (px) - Allows for manual editing of the height of the scene.

Aspect ratio - This dropdown menu offers a series of standard aspect ratios for the scene: Widescreen 16:9; Square 1:1; Picture 4:3 (default); Landscape 5:4; Portrait 4:5.

Cameras - This option shows all renderable cameras in the scene that were exported from Maya. It gives you an opportunity to check and change which camera(s) to render, if needed. This option is available only when there are more than one renderable cameras in the scene.

All - Selects all cameras.
Clear - Clears all cameras from the render list.

Output naming - Determines the way of naming the rendered scene. Only the <name> and <####> values can be changed. The arrows adjust the order of the components.

<name> - Specifies the main name of the output.
<camera> - Specifies the name of the camera(s) being rendered
<render element> - Specifies the position of the render element(s) in the naming convention, if there are such
<####> - Specifies the padding of the frame's number. This option is only available for animated jobs.
Using the arrows, you can move the position of each name component to customize the output name(s).

Output Type - Displays the type of output - either an image or animation. This option is only editable in Maya.

Render mode - Displays the rendering mode to be used by Chaos Cloud. This option is only editable in Maya.

Output format - Displays the format of the rendered files. This option is only editable in Maya.

Frames Range - This option controls which of the already exported frames are rendered. Frame ranges are hyphenated and without spaces between them. They are separated with commas. Multiple frame ranges, as well as single frames, can be rendered from the same animation. For example, entering 1-7,9,12-25 exports only the frames from 1 to 7, frame 9 and the frames from 12 to 25. This option is only available for animated jobs.

Frame step - Allows the spacing between rendered frames to be edited. This option is only available for animated jobs.

CUDA CPU override - When enabled, overrides the render engine to render with CUDA on CPU only. This option is only available when rendering with V-Ray GPU.

Upload only - When enabled, the job is only uploaded to Chaos Cloud and remains paused until it is manually resumed.

 

When rendering a V-Ray GPU job the CUDA CPU Override option allows you to override the render engine to render with CUDA on CPU only. This can be useful when:

  • there is no GPU hardware available to render the V-Ray GPU job

  • the 16 GB of memory, available on the GPU hardware that Chaos Cloud uses, are not enough for the job to render

When Chaos Cloud detects that there is no GPU hardware available, it shows a warning which asks you whether you want to wait for a GPU hardware and gives you an option to use another command which:

  • Stops the rendering of the current job

  • Clones the current job and sets the CUDA CPU Override option to ON so the job renders only on CPU

 

When the job is rendered, you can see whether it is a V-Ray GPU or a V-Ray job in the Job Details. If it is a V-Ray GPU job, Chaos Cloud shows whether it has rendered only on CPU.

 Click here to see the image...

 

 

 

Submitting a batch with Single Layer and multiple cameras using V-Ray GPU

 

When ready, click the Submit button. You are presented with the following message, when your render job is submitted successfully. If you have enabled the Upload only option, your job is only uploaded, otherwise it starts to render immediately when you click on the View Job button.

 

 

Multiple Layers allows for one or more layers to be rendered simultaneously from the scene. Chaos Cloud creates multiple jobs, corresponding to each layer.

 

Select Project- Lets you select from the list of projects in your Cloud account. The + Create New option creates a new project on the spot.

A dropdown menu for each layer is displayed:

Name - The name of the job. It corresponds to "the name of the project _ the name of the layer". Can be manually edited before render.

Resolution - Displays the resolution of the scene.
Frames - Displays the number of frames within the scene.
Upload Only - When enabled, the job is only uploaded to Chaos Cloud and remains paused until it is manually resumed.

Batch upload only - When enabled, all of the jobs are only uploaded to Chaos Cloud and remain paused until they are manually resumed.

 

 

Submitting a batch for animation with Multiple Layers and multiple cameras and V-Ray

 

When ready, click the Submit button. You are presented with the following message, when your render job is submitted successfully. If you have enabled the Upload only or the Batch upload only options, your job is only uploaded, otherwise it starts to render immediately when you press the View Project button.

 

Output and Render


The cost for rendering a job can be limited by using the Job Credit Limit setting. For more information, see the Credit Limit section.

If there are free resources in the cloud, Chaos Cloud will start rendering your job immediately. If there are no free resources, your job will join a queue and will start rendering automatically when resources become available.

Clicking on View Job redirects you to the Projects tab of Chaos Cloud. There you can monitor the status of your render jobs, download them, organize them in projects, resubmit, or delete them. For more detailed information on these topics, see the Managing render jobs in Chaos Cloud page.

The output image types that you are able to download by rendering in Chaos Cloud are JPG and the file type you have specified in the settings of your scene. These settings are customized in the 3D application you use for designing your scene. If you don’t specify anything in the 3D application, Chaos Cloud generates an EXR image beside the JPG one.

When submitting a render job requesting TIFF and/or TGA images as a result, the results might be unexpected as not all TIFF and TGA settings are exported to Chaos Cloud. 

The supported output image formats by Chaos Cloud regardless of the host application are the following: *.png, *.bmp, *.tga, *.hdr, *.sgi, *.rgb, *.rgba, *.jpg, *.jpeg, *.exr, *.pic, *.tif, *.tiff and *.vrimg. 

Alternatively, render jobs can also be submitted through the Standalone Chaos Cloud application and any command-line interface. For more information please visit the Submitting render jobs to Chaos Cloud page.

Additional Render Settings


In the Common tab of the Render settings resides an additional option when submitting a scene to the cloud.

To override an enabled render region in the VFB, you can use the Disable region for batch and Chaos Cloud option from the Render View rollout