🦁 womblewiki : a barebones houdini reference 🤓
nodes chop cop2 dop lop obj out shelf sop top vop
simulation FEM RBD crowds dynamics fluids grains hair other particles pyro vellum
coding bash groups hscript python vex
filter: TOP USD all attributes command_chain data dependencies files geometry images mappers notify partitioner python render schedulers shotgun simulation utility version_control
Attribute Copy Copies attributes from work items in one branch onto work items in another branch.
Attribute Create Creates or sets an attribute on all incoming work items.
Attribute Delete Removes attributes from work items.
Attribute from String Parses attribute values from a string, such as a file name.
Block Begin Feedback Starts a feedback loop. TOP nodes within the block execute serially, optionally looping for each incoming work item.
Block End Feedback Ends a feedback loop. TOP nodes within the block execute serially, optionally looping for each incoming work item.
CSV Input Copies data from a CSV file into work item attributes.
CSV Output Writes work item attributes to a CSV file.
Command Send Sends a code to a shared server to execute.
Command Server End Ends a command server block.
Deadline Scheduler The PDG scheduler for Thinkbox’s Deadline software.
Download File Downloads the contents of one or more URLs into files.
Environment Edit Edits the variables set in the environment work item command lines execute in.
Error Create warnings or errors when a condition is met
Error Handler Error handler for failed work items.
FFmpeg Encode Video Encodes a sequence of still images as a video file.
FFmpeg Extract Images Extracts a sequence of still images from a video file.
File Compress Compress files into an archive.
File Copy Copies a file from one location to another, either at runtime or whenever the node generates.
File Decompress Decompresses archive files specified by incoming work items into individual files.
File Pattern Creates work items based on files that match a certain pattern.
File Range Creates a range of work items based on files that match a certain pattern.
File Remove Deletes a file at a specified path.
File Rename Renames or moves a file.
Filter by Expression Conditionally filter upstream work items
Filter by Range Filter upstream work items that fall within a specified frame or attribute range
Generic Generator Generates work items with no attributes that run a command line.
Geometry Import Loads points or primitives from a SOP or geometry file into work item attributes or a temporary file.
HDA Processor Creates work items that cook a digital asset
HQueue Scheduler Schedules work items using HQueue.
Houdini Server Begin Starts a persistent Houdini command server
ImageMagick Provides easy access to ImageMagick functionality such as mass image convert, resize, and image mosaics.
In Process Scheduler Controls the scheduling of in-process work items
Invoke Invokes a compiled block on input geometry
Json Input Extracts data from JSON files and creates attributes
Json Output Performs various operations that produce JSON output
Local Scheduler Schedules work items on the local machine.
Map All Maps all upstream work items to downstream work items.
Map by Expression Maps upstream work items to downstream work items using an expression
Map by Index Maps upstream work items to downstream work items based on their index.
Map by Range Map upstream work items to downstream work items using range values
Maya Server Begin Starts a persistent Maya command server
Merge Merge all upstream work items
Nuke Server Begin Starts a persistent Nuke command server
Null Does nothing
OP Notify Notify an OP node that some TOP work has completed
Output Subnet output
Partition by Attribute Partitions work items based on their attributes
Partition by Bounds Partitions source items spatially using the bounding items.
Partition by Combination Partitions work items into pairs, triples, etc
Partition by Comparison Partitions work items using existing comparisons
Partition by Expression Partitions work items based on an expression
Partition by Frame Partitions work items based on their frame
Partition by Index Partitions work items based on their index
Partition by Node Partitions work items based on their node
Partition by Range Partition work items based on range values
Partition by Tile Partitions work items spatially using axis-aligned bounding boxes.
Perforce Execute Perforce commands through PDG
Python Mapper Maps work items using a Python script
Python Partitioner Partitions work items using a Python script
Python Processor Generate work items using a Python script
Python Scheduler A Python-based programmable Scheduler for PDG.
Python Script Creates work items that run a script
Python Server Begin Starts a python command server.
ROP Alembic Output Creates work items that cook an embedded Alembic ROP node
ROP Composite Output Creates work items that cook an embedded Composite ROP node
ROP Fetch Creates work items that cook a ROP node or network.
ROP Geometry Output Creates work items that cook an embedded Geometry ROP node
ROP Mantra Render Creates work items that cook an embedded Mantra ROP node
ROP USD Output Creates work items that cook an embedded USD ROP node
Range Generate Generates work items on the specified range
Render IFD Creates work items that render an IFD file with Mantra
Send Email Sends an email.
Shotgun Create Creates shotgun entities
Shotgun Delete Deletes entities from shotgun
Shotgun Download Downloads shotgun attachments
Shotgun Find Finds shotgun entities
Shotgun Server Begin Starts a persistent Shotgun command server
Shotgun Update Updates shotgun entities
Shotgun Upload Uploads files to shotgun
Sort Sorts work items by a list of attributes
Split Splits upstream items in two
Subnetwork Container for TOP nodes
Switch Switch which between network branches
TOP Fetch Cooks another TOP network
TOP Fetch Input Input to a TOP fetch-ed network
Text Output Writes text to a new file or appends to an existing file.
Tractor Scheduler Schedules work items using Pixar’s Tractor.
USD Import Creates work items from prims found in a USD stage.
USD Import Files Creates work items from file references found in a USD stage.
USD Render Creates work items that render a USD file.
Wait for All Waits for all upstream work items to complete.
Wedge Creates work items with varying attribute values.
Work Item Expand Expands file lists or partitions into multiple work items
Xml Input Extracts data from XML into Work Item attributes