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1.
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System requirements
Windows
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- Windows 7 SP1, Windows 8, or Windows 8.1
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- CPU 64-bit
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- Intel® or AMD® multi-core processor
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- 4 GB RAM minimum, 8 GB of RAM memory is highly recommended
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- Hardware-
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- accelerated OpenGL® graphics card
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- 1 GB available hard disk space for installation
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- 3 button mouse
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Linux 64
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- 64 bits distribution with a 2.6 Kernel and
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- glib 2.11.3
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- csh (C-shell)
- CPU 64-bit
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- Intel® or AMD® multi-core processor
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- 4 GB RAM minimum
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- , 8 GB of RAM memory is highly recommended
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- Hardware-
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- accelerated OpenGL® graphics card
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- 1 GB available hard disk space for installation
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- 3 button mouse
Macintosh
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- Mac OS X 10.8 and
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- higher
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- CPU 64-bit
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- Intel®
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- 4 GB RAM minimum
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- , 8 GB of RAM memory is highly recommended
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- Hardware-
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- accelerated OpenGL® graphics card
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- 1 GB available hard disk space for installation
- 3 button mouse
2.
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Features added
Built-in objects
RF-2174 New Feature - Add a new set of parameters in the "Display Volume" tab to display the isosurface of objects and multibodies.
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RF-2323 New Feature - RF_COMMANDS_FILE_PATH, RF_SHELVES_FILE_PATH, and RF_SHORTCUTS_FILE_PATH environment variables to customize commands, shelves and shortcuts paths.
Simulation Flow architecture
RF-2033 New Feature - Graph file references from Simulation Flow.
Simulation Graph
RF-2033 New Feature - Graph file references from Simulation Flow.
Tendril daemon
RF-1598 New Feature - Add tendril options to the Shetter daemon.
User interface
RF-2079 New Feature - Preferences setting to adjust the size of the node list and node selector icons.
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RF-1597 New Feature - Display the force field for daemons.
3.
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Improvements
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C++ API
RF-2025 Improvement - setEndFrame() function to modify the animation end frame.
DSpline daemon
RF-2001 Improvement - Add the undo/redo functionality to the manipulation of the control points in the DSpline daemon.
Export Central
RF-1417 Improvement - Save main widgets window state for current session.
File export
RF-2051 Improvement - Ability to save particles as .prt should be added to the ParticleSave node in Graphs
General
RF-2047 Improvement - Upgrade the Generate Uuid tool to create values depending on what is it going to be used for.
RF-141 Improvement - CommandsOrganizer.dat format should be user-friendly
Graphs
RF-2308 Improvement - New 'region' parameter for graph MeshTessellate node.
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RF-1651 Improvement - MeshFindNearestPosition node should allow multiple 'search distance' input values.
Grid emitter
RF-246 Improvement - New parameter "inherit velocity" so the emitted fluid has the same velocity than the emission object.
Grid splash
RF-1989 Improvement - Hybrido splash-related secondary emitters can be simulated using the FLIP solver.
Hybrido fluids
RF-1903 Improvement - Overall improvement in simulation time when the grid is in sparse mode.
RF-1782 Improvement - Improve the quality of the dynamics of the free surface.
Licensing
RF-2284 Improvement - Try to recover the license when the connection with the license server is lost.
Python API
RF-2025 Improvement - setEndFrame() function to modify the animation end frame.
RealFlow macros
RF-2116 Improvement - Support for scene variables.
Relationship Editor
RF-2242 Improvement - Let the user customize the default radius of Relationship Editor nodes.
Sheeter daemon
RF-1981 Improvement - The "Sheeter" daemon does a better job at the time of detecting and filling cavities.
Simulation Flow architecture
RF-2161 Improvement - Referenced graphs support for XML import/export.
Simulation Flow window
RF-2031 Improvement - There should be an icon next to every Simulation Flow item type when right clicking to add a new one.
RF-2030 Improvement - Simulation Flow should ask for confirmation when removing one of its elements of the tree.
Spline emitter
RF-2041 Improvement - Add the undo/redo functionality to the manipulation of the control points in the Spline emitter.
User interface
RF-2281 Improvement - The error, warning and information dialog boxes show a button "Show/Hide Details..." that allow to show/hide more detailed information about the issue.
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RF-2005 Improvement - The "Messages" panel is shown when the user double clicks on the messages bar.
XML import/export
RF-2161 Improvement - Referenced graphs support for XML import/export.
4.
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Limitations
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Caronte
RF-514 Limitation - Interaction with planes is not good
Caronte integration
RF-1568 Limitation - A node of type HY_Domain in cache mode doesn't affect neither rigid nor soft body objects.
Commands
RF-2377 Limitation - RealFlow commands execution cannot be aborted.
RF-1330 Limitation - Commands organizer should accept graphs
FLW read/write
RF-2170 Limitation - The option "Selection Highligthing" from the menu "View->Show" is not saved with the project.
RF-2169 Limitation - The options to hide/show the nodes of the scene from the menu "View->Show" are not saved with the project.
General
RF-160 Limitation - Scene Animation.SD doesn't hold new objects created during the simulation.
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RF-156 Limitation - Maximum number of threads is 128
Graphs
RF-1988 Limitation - FieldSave node cannot save several fields inside a single file. Unlike FieldRealLoad.
Grid
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Splash & Foam
RF-562 Limitation - Mist can't be created for Splash&Foam and Wet&Foam nodes.
Grid
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Wet & Foam
RF-562 Limitation - Mist can't be created for Splash&Foam and Wet&Foam nodes.
Hybrido
RF-1568 Limitation - A node of type HY_Domain in cache mode doesn't affect neither rigid nor soft body objects.
Hybrido fluids
RF-300 Limitation - Proxy files cannot be exported with the GridDomain on cache mode
Maxwell Integration
RF-1735 Limitation - RealFlow crashes during Maxwell voxelization when memory is exceeded
Object emitter
RF-146 Limitation - Object Emitter in vertex or faces mode does not export the selection
User interface
RF-2170 Limitation - The option "Selection Highligthing" from the menu "View->Show" is not saved with the project.
RF-2169 Limitation - The options to hide/show the nodes of the scene from the menu "View->Show" are not saved with the project.
XML import/export
RF-333 Limitation - Initial State for objects cannot be reused when exporting scene as XML because it is embedded into the .FLW file.
RF-146 Limitation - Object Emitter in vertex or faces mode does not export the selection
Hybrido mesh integration
RF-2378 Limitation - Liquid-Hybrido secondary emitters and Liquid-Particles emitters are ignored for meshing when added to a HY_Mesh.
5.
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Fixed bugs
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Alembic I/O
RF-2269 Bug - The UV information from multibodies are not stored in the alembic files.
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RF-1306 Bug - RF crashes while trying to save an alembic file and there's no space left
C++ API
RF-2009 Bug - It is not possible to set a channel value of type Vector2 from Python and C++.
RF-1710 Bug - EXPORT_HY_DOMAIN_VDB constant is missing in Python and C++ SDK.
C++ SDK
RF-2157 Bug - Plugin Daemons which contain parameters of node list type crash on XML import. (like CrowdFlow)
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RF-1884 Bug - The SDK function "getChannelValue" doesn't work for channels of type "unsigned short".
Camera
RF-2020 Bug - EXPORT_CAMERA_ANIMATION_ABC is missing from Python.
Check for updates utility
RF-2244 Bug - "Check For Updates" option crashes RealFlow if there is a connection failure.
Command Line Version
RF-2348 Bug - When running a simulation with the lock mode activated the remaining and average time statistics are wrongly calculated.
RF-1728 Bug - Scenes can't be sent to Maxwell (Command Line) when the name contains whitespaces
Curve Editor
RF-2038 Bug - Curve editor crashes when clicking on Break/Unify/Flat key tangents.
DSpline daemon
RF-2040 Bug - When the end control points of a "DSpline" daemon are edited using the manipulation handle their position doesn't match the handle position, so it is impossible to place them properly.
File export
RF-2265 Bug - Old scenes do not show on Export Central sub-options that have been added to RealFlow later. For instance: Particle channels.
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RF-2148 Bug - RealFlow crashes trying to open BIN splash particle files that were simulated as Liquid if the node is Dumb currently.
Filter daemon
RF-1862 Bug - Filters with multiple source emitters may not work if any of the emitters run out of particles.
FLW read/write
RF-1873 Bug - RealFlow may freeze loading a scene if it contains objects that have the name of RealFlow daemons and emitters (Like Circle, Container, Gravity, etc.) without the final number.
General
RF-2012 Bug - Changing the current frame does not set the workspace as dirty.
Graphs
RF-2319 Bug - Creating a graph node in Simulation Flow and clicking on simulate sends the node to the 0,0 position.
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RF-1668 Bug - Concentrator node does not allow the renaming of its default pins.
Grid displacement
RF-2345 Bug - Displacement does not work when UV coordinates of texture are -0.0.
Grid mist
RF-2151 Bug - RealFlow crashes when we try to retime nodes of type "HY_Mist".
Grid splash
RF-2148 Bug - RealFlow crashes trying to open BIN splash particle files that were simulated as Liquid if the node is Dumb currently.
RF-1936 Bug - "Curvature threshold" parameter inside display tab of Hybrido Domain is not consistent with the one on the Hybrido Splash node.
Grid splash & Foam
RF-2239 Bug - Foam particles from the HY_Splash&Foam emitter are not moved to the surface when converted from splash to foam.
Help system
RF-1753 Bug - Pressing F1 over a MultiServo parameter displays the Foam panel help.
Hybrido
RF-2306 Bug - When the HY_Domain node is parented the projection plane is not transformed considering the parent transformation.
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RF-1764 Bug - The parameter "Mode" for the panel "UVs Mapping" in the node "HY_Domain" seems to be disconnected as particles have always a "Top projection" mapping applied.
Hybrido fluids
RF-1795 Bug - The message "The pressure solver didn't converge..." is shown even though the solver converged.
Hybrido mesh intergration
RF-2114 Bug - Mesh cache exported in Alembic (abc) format for Hybrido and Particles meshes is imported with a wrong scale if the scale option "Geometry scale" is different than 1.0.
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RF-1702 Bug - Hybrido Mesh crashes loading a BIN file that does not contain velocity information.
K speed daemon
RF-2175 Bug - K-daemons for Hybrido are not working properly, i.e. the killing volume is leaving a layer of particles outside of the volume.
K sphere daemon
RF-2175 Bug - K-daemons for Hybrido are not working properly, i.e. the killing volume is leaving a layer of particles outside of the volume.
K volume daemon
RF-2175 Bug - K-daemons for Hybrido are not working properly, i.e. the killing volume is leaving a layer of particles outside of the volume.
Layered vortex daemon
RF-1986 Bug - RealFlow crashes when the parameter "Num layers" in the "Layered Vortex" daemon is set to 0 value.
Maxwell Integration
RF-2324 Bug - Maxwell + tileable Realwave not updating correctly when material is changed
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RF-1208 Bug - Random crashes when doing Maxwell fire in several scenes and environments (Mac, Linux and Win) that can't be easily reproduced.
Movie Player window
RF-2332 Bug - RealFlow crashes when exporting video from Movie Player under Windows if the codec selection dialog is cancelled.
Node parameters window
RF-2167 Bug - Node Parameter name column cannot be resized, and sometimes the parameter name does not fit inside, making it impossible to know the complete name of the parameter.
Object emitter
RF-2042 Bug - RealFlow crashes when we undo the action of setting an object for the "Object" emitter.
Particle mesh (Renderkit) integration
RF-2114 Bug - Mesh cache exported in Alembic (abc) format for Hybrido and Particles meshes is imported with a wrong scale if the scale option "Geometry scale" is different than 1.0.
Particle-based fluids
RF-1937 Bug - Some instabilities of the SPH solver have been detected when the liquid is colliding with objects.
RF-1752 Bug - Simulations using standard emitters are not deterministic despite being just single threaded.
Particle-based gases
RF-1752 Bug - Simulations using standard emitters are not deterministic despite being just single threaded.
Preferences
RF-2172 Bug - RealFlow preferences are ignored on command line mode.
Python API
RF-2314 Bug - Python scene.remove_HY_Foam() function does not work.
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RF-1710 Bug - EXPORT_HY_DOMAIN_VDB constant is missing in Python and C++ SDK.
Python Editing
RF-2225 Bug - Python script default font when preferences are missing is not monospaced.
Python SDK
RF-2223 Bug - GUIFormDialog addListField function crashes if the last parameter is out of the expected range.
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RF-1575 Bug - FIRST_PARTICLE_CHANNEL_VALID_ID constant, necessary for PB_Emiter. createParticlesChannel() function, is missing in Python SDK.
RealWave
RF-2333 Bug - The foam texture exported from the RealWave node is rotated 90 degrees counter clock wise.
Relationship Editor
RF-2155 Bug - RealFlow crashes when a node has been added to a group through scripting, and it has never been visible before.
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RF-979 Bug - A multijoint shouldn't be added to a HUB.
Simulation Flow architecture
RF-1093 Bug - Graphs and Scripts created in the Simulation Flow panel remain in the scene even after being removed. (But they are not evaluated during simulation)
Simulation Flow window
RF-2319 Bug - Creating a graph node in Simulation Flow and clicking on simulate sends the node to the 0,0 position.
RF-2032 Bug - When more than one Simulation Flow scripts point to the same file, their source code is not update always.
Simulation Graph
RF-2303 Bug - MeshClipByVolume and MeshClipByDistanceField graph nodes don't remove the user per-vertex channels when the mesh is clipped.
Spline emitter
RF-2043 Bug - When the end control points of a "Spline" emitter are edited using the manipulation handle their position doesn't match the handle position, so it is impossible to place them properly.
User interface
RF-2366 Bug - We can't launch the simulation of the current scene using the "command line" when the current frame is the last frame. RealFlow just ignores the action.
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RF-2007 Bug - "Show Multijoints" Appears unchecked by default on Mac OS X. (Context menu in nodes list)
XML import/export
RF-2157 Bug - Plugin Daemons which contain parameters of node list type crash on XML import. (like CrowdFlow)
6.
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Known bugs
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Alembic
RF-2327 Bug - extensions are not exported in alembic
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RF-1031 Bug - Alembic files are not imported in Maya
Alembic I/O
RF-1540 Bug - Once an alembic file has been loaded, its "file handle" is not freed.
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RF-1424 Bug - Moving a cloned multibody coming from an alembic file does not work properly
Animation curves
RF-2234 Bug - There is a gap between animated geometry and distance field if the geometry is animated in RealFlow.
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RF-455 Bug - Realflow doesn't work with negatives frames properly.
Arnold Integration
RF-2375 Bug - particle meshes don't have correct uv's
Batch script
RF-1688 Bug - Clicking on the right column of the script editor autocompletion popup does not open the help for that function.
Binary loader emitter
RF-866 Bug - Retimer should work with unsimulated binary loaders.
Built-in objects
RF-1905 Bug - Capsule object is not symmetrical
C++ SDK
RF-1574 Bug - The maxwell related SDK functions that are now available in Python are not available in C++.
RF-1141 Bug - Removing a standard emitter node during simulation (via scripting or graph) crashes RealFlow.
Camera
RF-1758 Bug - Modifying a camera view with the viewport should be undoable.
RF-1757 Bug - Modifying a camera view directly on the viewport does not set the scene as modified.
Caronte
RF-1159 Bug - Changing the normals to reversed for dynamics objects is working bad when selecting active or passive
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RF-853 Bug - Imported animated objects to use them as softbodies, can't be set with an initial speed.
Caronte integration
RF-1112 Bug - Fracture tool voronoi uniform is using "extrussion effect" unexpectedly.
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RF-359 Bug - Caronte simulations aren´t aren't deterministic unless RF gets reopen every time
Circle emitter
RF-913 Bug - V and H random is not working if an emitter is set as volume
Command Line Version
RF-2206 Bug - Simulating by command line is making the fluid explode when interacting with geometry.
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RF-1332 Bug - RealFlow is crashing when creating a folder and it can't be created.
Commands
RF-445 Bug - RF crashes at shutdown when the file for a command plugin is removed from the plugins folder and that command plugin was previously loaded into RF using the commands organizer, only happen when a scene is loaded before closing.
Curve Editor
RF-847 Bug - Expressions with references are not updated when the related parameter changes and is not animated.
Drag force daemon
RF-1984 Bug - Force Limit parameter for Drag Daemon is not working
DSpline daemon
RF-1422 Bug - XML export and import of animated DSpline and Spline Emitter control points is not possible.
Export Central
RF-1525 Bug - Disabling RFS from Export Central sends the FLW to the Job Manager instead of a script. There should be no checkbox.
Fibers emitter
RF-919 Bug - Fibers emitter should have a seed # to be deterministic.
File export
RF-2231 Bug - Animation.sd and bdc for imported geometry as Multibody or ABC multibody are not saved by command line.
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RF-1070 Bug - RealFlow crashes in command line when there is no HDD space
Fill object emitter
RF-1428 Bug - Fill Object not working on command line
Fractures
RF-1189 Bug - Fracture by points is not working properly.
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RF-1046 Bug - External transition decay should be Internal transition decay for the Internal group inside fracture by radial parameters.
General
RF-2013 Bug - File Name Prefix, from File Name Options is missing from XML and graphs.
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RF-458 Bug - Object name must be removed from Multjoints if the object is changed to dynamics NO.
Graphs
RF-2158 Bug - Simulation Flow Graphs should save the viewport geometry.
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RF-1245 Bug - Graph Notes alpha is reset to strange values when changing background colors
Grid Foam
RF-2292 Bug - Foam texture are not being exported
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RF-1740 Bug - Foam particles are behaving wrongly in some circumstances, it seems to be when the core fluid simulation is very thin.
Grid splash
RF-2285 Bug - Max particles for secondary splash emitter is not working
RF-2184 Bug - RealFlow crash when orbiting the viewport while using Splash-Hybrido
Grid splash & Foam
RF-1121 Bug - The exported sequence is not divided into two sequences, one for "_splash", "_wet" and the other "_foam."
Grid wet & Foam
RF-1121 Bug - The exported sequence is not divided into two sequences, one for "_splash", "_wet" and the other "_foam."
Hybrido
RF-2290 Bug - Displacement files for hybrido are not being exported when simulating.
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RF-1322 Bug - Use cache for Displacement will make crash RealFlow
Hybrido fluids
RF-2205 Bug - Simulating by command line is making to dissapear the fluid when the container geometry is active.
RF-1373 Bug - Friction texture in the HyFLIP solver is not working when the volume mode of the object is "Shell".
Hybrido mesh algorithm
RF-2301 Bug - Simulating with extensions, in GUI, from a frame different of zero, RealFlow will crash
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RF-1404 Bug - The attenuation of the displacement based on the splashity is not working well.
Hybrido mesh intergration
RF-2297 Bug - Interactive mesh is not working properly
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RF-1573 Bug - Use of Hybrido Mesh with SPH emitters doesn´t doesn't work if the SPH emitters are in Cache mode and the -mesh flag is used
RF-1507 Bug - HY_Mesh node lacks a texture channel
IDOC
RF-1791 Bug - Hybrido Domain does not recognize the $(IDOC) macro for exporting/importing data.
Import objects
RF-1346 Bug - OBJ import uses LW axis setup
RF-1345 Bug - OBJ import doesn´t doesn't rename objects imported more than once
RF-309 Bug - Flat planes imported as .SD from a 3D application have collision distance equal to zero
Job Manager
RF-1525 Bug - Disabling RFS from Export Central sends the FLW to the Job Manager instead of a script. There should be no checkbox.
K age daemon
RF-918 Bug - k Age daemon should accept float values for better precision.
K sphere daemon
RF-1909 Bug - Fit to Object doesn't allow to choose emitters as objects for some K daemons
K volume daemon
RF-1909 Bug - Fit to Object doesn't allow to choose emitters as objects for some K daemons
Maxwell Integration
RF-2189 Bug - Fix Maxwell Integration
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RF-1019 Bug - Maxwell takes long time to update the view when there is just one viewport working on Windows.
Movie Player window
RF-2210 Bug - Movie Player crashes exporting video if some of the frames has a different size.
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RF-1089 Bug - RealFlow is crashing when cancelling to create a video from movie player.
Multibody
RF-1996 Bug - Updating a SD loaded as multibody hangs the machine
RF-524 Bug - SD scene update does not seem to work with Multibodies
Multijoint
RF-625 Bug - Create/Recreate button removes joints for all MJ nodes, to create the new joints for the actual Multijoint node.
MultiServos
RF-895 Bug - Name of some parameters in servos panel must be changed.
RF-679 Bug - Multiservo linear doesn't work properly with the Free Z parameter to Yes.
Node parameters window
RF-1689 Bug - SetNodeParameter graph node should refresh the parameter list.
Object manipulation in viewport
RF-2286 Bug - Particles as Spheres are represented in a wrong way in an orthographic view.
Ocean Force daemon
RF-2251 Bug - High values for "Weigth against wind" for OFF will crash RealFlow
OpengGL general visualization
RF-1666 Bug - OS X viewport font looks misaligned.
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RF-1310 Bug - VBO active in ATI graphic cards changes the viewport background color
OpengGL glsl shaders
RF-1552 Bug - Spheres drawn with the shader (in hybrido obv) are deformed based on the window size.
Parameters manipulation
RF-1712 Bug - Whitespaces on node names can mess up with a lot of node parameters which relay on the blank space as the separator for multiple values.
Particle mesh (Renderkit) integration
RF-709 Bug - RK Mesher Clipping not working with RealWave nor Box
Particle mesh (Standard)
RF-876 Bug - UV in md meshes is not working properly
Particle-based fluids
RF-2238 Bug - Duplicating and moving a sph emitter in a frame different of zero, will keep some particles at original place
RF-680 Bug - Max particles in Splash emitter doesn´t doesn't have any effect
RF-280 Bug - "Thin face test" is not working.
Python API
RF-2021 Bug - activeExportData and isExportDataActive functions are missing for some node types like waterline
RF-842 Bug - Object "getVelocity" function is giving wrong results.
Python Editing
RF-2305 Bug - Python Find dialog remains behind the script editor when it is modal.
RF-2304 Bug - Dragging a piece of Python code from a Script Editor to a shelf removes the code from the editor. It can be brought back with CTRL+Z
Python SDK
RF-2236 Bug - Calling scene.exportCurrentFrame() during simulation freezes RealFlow.
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RF-874 Bug - scene.stopSimulation() doesn't work if simulation is started from a Batch Script
RealWave
RF-1769 Bug - Realwave interaction with objects is wrong when chopinness is activated
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RF-452 Bug - RealWave waterline of objects is not correctly computed with choppy Statistical Spectrum waves.
RealWave Object splash
RF-1443 Bug - Connecting from Object Splash to RealWave will make crash RealFlow.
Relationship Editor
RF-2255 Bug - Relationship Editor groups self-connection threshold is too sensitive.
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RF-991 Bug - Hidding a group in the Relationship Editor and unhidding again, it will unhide the nodes inside the group too.
Retimer
RF-1211 Bug - Sometimes RealFlow crashes when clicking on the Input/Output section of the retimer if the scene animation.sd file export is enabled on Export Central.
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RF-838 Bug - When only the scene animation.sd is being exported, the default settings of the retimer exclude them of the result.
SD read/write
RF-1888 Bug - Animation coming from a SD file and exported using Cinema4D is wrong.
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RF-720 Bug - Including an object to collision with sph particles in the middle of the simulation changes its original position. There is not any Dynamic object.
Shelves
RF-2304 Bug - Dragging a piece of Python code from a Script Editor to a shelf removes the code from the editor. It can be brought back with CTRL+Z
Shelves Manager
RF-2022 Bug - Up and down keyboard arrows do not let you move along the content of the shelves/commands list in the Shelves Manager. (Mac OS X)
Simulation Flow architecture
RF-899 Bug - Particles created at the same frame (or last substep) cannot be removed from "Simulation Flow".
Simulation Flow window
RF-2158 Bug - Simulation Flow Graphs should save the viewport geometry.
RF-2034 Bug - Script files on Simulation Flow don't show any error when the file is missing.
Simulation Graph
RF-1145 Bug - Exploding a Compound might put the nodes inside mixed with the existing ones at the current level. At least those nodes should remain selected for their repositioning.
RF-1141 Bug - Removing a standard emitter node during simulation (via scripting or graph) crashes RealFlow.
Simulation pipeline
RF-2253 Bug - Reset to initial state is not working properly.
RF-2238 Bug - Duplicating and moving a sph emitter in a frame different of zero, will keep some particles at original place
Spline emitter
RF-1721 Bug - @CP rotation for DSSpline emitter is working bad when simulating.
RF-1422 Bug - XML export and import of animated DSpline and Spline Emitter control points is not possible.
User interface
RF-2237 Bug - Display Slice Plane for geometries is painting geometry subdivisions.
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RF-981 Bug - Statistic Panel not showing Existent/Emitted info on HY-SPH elements
Video preview
RF-1082 Bug - Viewport behind previous window is updating when making a video preview.
XML import/export
RF-2187 Bug - Saving xml backups shows messages "Error trying to get parameter: xxx"
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RF-1158 Bug - Importing a RealWave via XML on a scene that already has one doesn´t doesn't work as expected when overwriting
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