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RealFlow | Cinema 4D Release Notes

2.5.2.0066 BETA

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1.- System requirements

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* Release date: March, 15th 2018

Please take a close look at RealFlow | Cinema 4D's list of limitations and known bugs. It is a valuable resource when you encounter problems, crashes, or difficulties:

System Requirements

• Cinema 4D R15, R16, R17, R18 or R19 (64 bit only)

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• Windows 7 (or higher) or

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• macOS 10.9 (or higher)

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• operating system.

• CPU 64-bit Intel® or AMD® multi-core processor.

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• 8 GB RAM.

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• 100 MB disk space for installation.

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• Network adapter and internet access for license activation.

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• RealFlow | Cinema 4D supports GPU-based simulations and multi-core/multi-processor systems.

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Note:

Since fluid simulations are computationally expensive and allocate large amounts of disk space we recommend Intel® i7 or Xeon systems (or comparable), 16 GB RAM (or more) and a 512 GB hard disk drive/SDD. 

2.- Features added

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Features Added

Daemons

• RFCFD-572 - New node "Visualizer". Daemon vector fields can be visualized.

Fluid

• RFCFD-568 - Age and vorticity property can be used to color particles in the viewport.

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General

• RFCFD-596 - Compatibility with the TurbulenceFD Emitter tag to use RealFlow particles for TurbulenceFD emission. Make sure to update TurbulenceFD to version v1.0 Rev 1435 or higher.

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Meshing/Rendering

• RFCFD-566 - New vertex maps, "Age" and "Vorticity", for meshes.
• RFCFD-557 - New vertex maps "Weights" to mix fluids.

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Improvements

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Daemons

• RFCFD-601 - Falloff for DSpline.

Emitters

• RFCFD-574 - New viewport handle to control the Volume parameter of the basic emitters.
• RFCFD-573 - Image Emitter displays the texture in the viewport.

General

• RFCFD-583 - New "Texture Sampling Resolution" parameter in RealFlow preferences.
• RFCFD-554 - New global cache "Offset" parameter in Scene node.
• RFCFD-603 - New cache "Offset" parameter in Fluid, Rigid, Elastic and Mesher nodes.

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Licensing

• RFCFD-575 - Current license information is displayed in the License dialog.
• RFCFD-585 - Possibility to set the RFC4D_LICENSE_PATH environment variable to use a custom search path for license files.

Meshing

• RFCFD-586 - Possibility to use gradients to customize the Mesher vertex map value transitions.
• RFCFD-597 - New "Auto Mesh Normals" parameter for the Mesher to switch between the mesher normals (accurate) or geometry normals (customizable).
• RFCFD-608 - When a Vertex Map is selected in a Mesher node, its values are represented as a gradient in the viewport.

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Thinking Particles

• RFCFD-600 - Fluids now accept a Thinking Particles group as a parameter to decide which TP group particles should be synchronized. This replaces the old "Create Thinking Particles" checkbox.

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Limitations

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General

• RFCFD-351 - Array Tool: Parameters can't be animated for meshes.
• RFCFD-517 - Initial State files created in RealFlow | Cinema 4D 1.0 are not compatible with 2.0 and higher version due to the switch from RPC to Alembic.

Emitters

• RFCFD-356 - When using a multi-segment spline with the spline emitter node the "Prev" and "Next" buttons only iterate through the control points on the current segment.

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Meshing

• RFCFD-580 - Mesh fluid/emitter weight vertex map computation is limited to a maximum amount of 10.

Parameters

• RFCFD-358 - File paths can't have unicode characters on Mac OS X.
• RFCFD-519 - Simulation steps configuration from RealFlow | Cinema 4D 1.0 scenes is reset to Auto mode when opened in 2.0 version.

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Rendering

• RFCFD-469 - Simulation look on render may differ between multiple simulation/renders unless caching is enabled.
• RFCFD-486 - Objects deformed with Rigid, Elastic and Particle Skinner only support motion blur when using the Point Cache tag.
• RFCFD-499 - Particle render instances are not rendered/recognized by NVIDIA's Iray.
• RFCFD-500 - Motion blur with meshes doesn't work with NVIDIA's Iray.
• RFCFD-501 - Motion blur with meshes doesn't work with Maxwell Render.
• RFCFD-530 - Particle render instances original objects remain visible during render

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• .

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6.- Fixed bugs

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Fixed Bugs

General

• RFCFD-553 - Playback frame and state should be preserved after caching Simulation or Meshes.
• RFCFD-606 - RealFlow nodes bounding box is sometimes displayed in a position different than its actual location.

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• RFCFD-614 - GPU simulations may become unstable or crash with slight changes in simulation steps or iterations. The issue was particularly noticeable when simulation steps were set to 8.

Fluid

• RFCFD-569 - Keyframes on parameters under Solver tab in Scene node are ignored.
• RFCFD-567 - Min and Max Ranges, inside Display tab, aren't updated when Automatic Range is on.
• RFCFD-565 - GPU simulations with three or more linked fluids may crash or freeze Cinema 4D.
• RFCFD-562 - An initial state can't be saved if a "Magic" daemon is present

Emitters

• RFCFD-571 - Animated textures for Image Emitters are always evaluated at initial frame.
• RFCFD-559 - With some geometries, like "Platonic" object, the implicit surfaces are always rebuilt even if they haven't been modified.
• RFCFD-558 - Fill Emitter isn't notified about the changes done in a Volume Tag.
• RFCFD-546 - Spline emitter does not allow dragging Fluids to its links parameter.

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• RFCFD-611 - Object emitter speed texture gray values are evaluated as white always instead of having different speed.

Daemons

• RFCFD-563 - "Attractor" daemon isn't connected properly when a scene file is loaded.
• RFCFD-556 - "Filter Inside" parameter of "Filter" daemon does not work as expected.
• RFCFD-598 - Filter daemon allows more than one fluid as target.
• RFCFD-602 - DSpline daemon leaks memory after a long time running.

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• RFCFD-615 - "Filter When False" parameter is not working for Filter daemon.

Meshing

• RFCFD-570 - During rendering, sometimes, the Mesher doesn't update the geometry in consecutive frames.
• RFCFD-581 - Particle texture coordinates are not being taken into account to compute the mesh UVs.
• RFCFD-584 - Sometimes vertex maps show flickering due to interpolation.
• RFCFD-605 - Geometry is not cleared when the meshed fluid has no particles.

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• RFCFD-613 - When a Mesher frame is missing in cache mode, the mesh geometry is not reset.

Caching

• RFCFD-564 - "Remove Scene Cache Files" also removes initial state files.

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Rendering

• RFCFD-570 - During rendering, sometimes, the Mesher doesn't update the geometry in consecutive frames.

WetMaps

• RFCFD-582 - It is possible to use negative values for wetmaps resolution.

Cinema 4D UI

• RFCFD-594 - Sphere emitter viewport representation when scale is non uniform is distorted instead of a perfect sphere.

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• RFCFD-612 - Cinema 4D may crash when dragging a RealFlow node and the keyboard modifier CTRL is pressed and released.

Thinking Particles

• RFCFD-539 - Crash if a Thinking Particles group of a fluid is removed manually.
• RFCFD-435 - Crash after removing a TP group being meshed.

7.- Known bugs

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Known Bugs

Emitters

• RFCFD-522 - Emitter ID value is not preserved on scene reopening.

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Splines

• RFCFD-354 - If a segment is removed the configuration of the circles of the other segments is reset.
• RFCFD-353 - Undo/Redo is not working when a control point is added.

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Daemons

• RFCFD-551 - Having two or more k Isolated daemons linked to the same fluid makes the isolation value grow as many times as the number of k Isolated linked daemons.

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