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Hopsan-release-notes.txt
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Hopsan-release-notes.txt
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******************************
Important Information
******************************
- See the issue-tracker https://github.com/Hopsan/hopsan/issues for all known issues.
You can also report new issues, if you first create a GitHub account.
- There is no guarantee that the included component models are working under all conditions,
you must decide for yourself if you trust the simulation results.
- When you load models saved with an older version of Hopsan, follow these recommendations to avoid loosing information:
- Deactivate "Group Similar Messages" in the message widget at the bottom before loading a model.
- Pay attention to any Warnings or Errors you may receive when loading your old model.
If parameters fail to load they will be discarded.
- Parameters and ports may have changed name, in such cases you have to manually set the parameter value that could
not be loaded (according to messages).
- Sometime when exporting a model as PNG or PDF some components "vanish" or become very small. We have not been able to
fix this problem. If this is a problem, take a screen-shot instead. You can quickly hide all of the side widgets with
a button on the left pane.
- Hopsan internally relies on using the U.S English locale ( decimal separator '.' ) and should internally switch to
this mode. Problems have been observed on some Ubuntu installations running with a different locale. Hopsan fails to
interpret values with decimal separator '.' (it usually expects ','). If you do not want to change your system
settings you can start Hopsan with the following command to locally ensure that U.S English numeric locale is used.
Example:
cd /opt/hopsan/bin
LC_NUMERIC=C; ./hopsangui
******************************
Version History
******************************
2.20.0 (2022-07-11)
----- Enhancements -----
- HopsanCore
- Move real-time simulation main loop into HopsanCore (from GUI) resulting in much better performance (animation mode)
- Temporary files created by lookup components are now deleted on Linux systems when the model is closed
(On Windows they will remain in the temp directory)
- HopsanGUI
- Show HTML description in FMIWrapper component (extension library) if available in FMU
- Replace functionality added to FindWidget for text files
- Import/export parameter data to/from SSV format
- Support SSV parameter sets for components (can be specified in component xml)
- Add 'Energy Density Spectrum', 'Power Density Spectrum' and 'Root Mean Square' of vector to frequency analysis
- Added "Open model file" option in right-click menu for subsystem components in library widget
- Hide "Open source code" option for components that have no source code specified
- Double-clicking on subsystem components opens model file
- HCOM: Add steady-state identification, function ssi()
- HCOM: New function: cut()
- HCOM: Support elseif and nested if-statements
- Make GUI fall back to empty port icon graphics for unknown node types
This makes it possibly to register and use custom node types in custom component libraries
Note! Custom nodes may not yet work in all cases, such as in code generation
- Ops
- Support for surrogate models in Ops algorithms
Surrogate models are fast numerical approximations of the objective functions.
The implementation is based on polynomial response surfaces, as described by: https://doi.org/10.1007/s11081-014-9247-9
To active surrogate models, add the command surrogatemodel <interval> in the HCOM script.
The interval setting specifies how many evaluations the surrogate model is used before it is updated.
----- Bug Fixes -----
- HopsanGUI
- Update default parameters when changing FMU in FMIWrapper component
- Ignore file change warning after saving a file. At least on Windows the file would otherwise be reported as modified
- Loading HMF components as internal subsystems was forgotten when saving the model
- HCOM: Fix SymHop evaluation of model parameters ending with 'e'
- HCOM: Fix symhop evaluation of power if variable contains underscore, ex: a_b^2
- HCOM: Fix hg() (highest generation) function, it did always return 0
- Fix crash when adding new component to library
- Ensure that error and warning messages about missing files when loading libraries actually contain the missing path
- Spectrum/FFT dialog Crashes GUI if simulation was stopped by stop component
time data was not truncated to actual number of simulated samples
- HopsanCore
- Fix signal component sorting when a ReadMultiPort with multiple connections is present
----- Component Libraries -----
- Standard Component Library: MechanicTranslationalLosslessConnector XML file error
- Standard Component Library: SignalSteadyStateIdentifier
--------------------------------------------------------------------------------------------------------------------------------------------
2.19.1 (2021-11-05)
----- Bug Fixes -----
- HopsanGenerator
- FMU, S-Function and EXE export all failed to compile due to missing default library source code files
They were not included due to a bug in packaging in 2.19.0
- FMI ModelExchange import would not compile due to errors in the template code parameter type handling
- HopsanGUI
- Energy loss calculation showed wrong value for domain-specific losses, and alternated between runs
Also clarified added energy text
- HopsanGUI would crash when a connected input variable port was disabled (removed)
The checkbox is now disabled for connected ports
--------------------------------------------------------------------------------------------------------------------------------------------
2.19.0 (2021-05-10)
--- Important Change ---
The HoLC (Hopsan Library Creator) application has been removed.
Its functionality has been built into HopsanGUI for some time, and can be accessed from the context menu (right-click)
in the library widget.
----- Enhancements -----
- HopsanC:
- Make it possible to get data vectors by alias name in Python, Julia and Matlab
- HopsanGUI:
- Make it possible to view XML and source code for default library components by right-clicking in library widget
- Highlight connected connectors when hovering a component
- HCOM: Support orphan variables in the chpvx command
- HCOM: Enables defining and evaluating SymHop expressions
Example: >> a=expr(sin(x)+y)
sin(x)+y
>> b=der(a,expr(x))
cos(x)
- HCOM: Convert SymHop expressions to LaTeX
Example: >> f=expr((a+b)/(c+d))
(a+b)/(c+d)
>> latex(f)
\dfrac{a+b}{c+d}
- Monitor text files in editor tabs for external changes
- Add "Always visible" setting for GUI components
Use the context menu (right-click) on a component
- HopsanGenerator:
- Various improvements in Simulink generator
Hopsan S-functions now also support the "fast restart" option in Simulink
- Various fixes and improvements to Modelica generator
- Statically link to MinGW libraries for FMI export on Windows
Removing dependency to correct version of MinGW DLLs in exported FMUs more
----- Bug Fixes -----
- HopsanGUI:
- Use interpolation-based down sampling to reduce vector size
There was an error in reduceVectorSize function due to integer division
The fix will affect all frequency analysis plots (spectrum, bode and nyquist)
- Preserve rotation and flipping of replaced components
----- Component Libraries -----
- Enable end of stroke limitation in all C-type pistons
- Add moment of inertia quantity and make use of it in components
- PID2 component, changed the meaning of the 'de' input signal
It is now expected to be a derivative input rather then a "error" delta
If you have models using this component they may need to be updated
- Added markdown descriptions with equations for many commonly used default library components
Note! Due to the large amount of added documentation, it has not yet been reviewed
If you find something that looks odd, take a look at the component source code
--------------------------------------------------------------------------------------------------------------------------------------------
2.18.0 (2021-02-25)
----- Enhancements -----
- HopsanCore:
- New "filepath" parameter type (variable class HFilePath). It is basically string, but will enable a browse dialog button in
the component properties dialog. File paths will be added relative to the model, if you want absolute paths, you will have to
copy paste the path into to file path text field (like before)
----- Bug Fixes -----
- HopsanGUI:
- Due to the random bug described below, starting optimization would instantly freeze the program
- Ops:
- On the Windows version build with MinGW the random generator would return the same value on each call. It now returns actual random values
- Due to this random bug, optimization would freeze during initialization (get stuck in an infinite loop)
----- Component Libraries -----
- Various improvements and fixes to the experimental FMI wrapper component (Extension library)
- LookupTable components now use the filepath parameter type to allow browsing for files
--------------------------------------------------------------------------------------------------------------------------------------------
2.17.0 (2021-02-14)
----- Enhancements -----
- BuildSystem:
- CMake build system can now build all Hopsan parts and support for the Microsoft Visual C++ compiler has been added
Some issues still remain for CMake / MSVC builds, so this is not yet the default build system
Build instructions have been updated, if you wish to use this build method
- Documentation:
- Add link to tutorials under the help menu in HopsanGUI. There is now a more in-depth tutorial on the TLM method available.
- HopsanC:
- List alternatives when querying for illegal port or variable names
- HopsanCore:
- New "quantity" LeakageCoefficient added with various scale factors
- Add Component::reconfigure() function that components can overload to reconfigure themselves
Reconfigure is triggered when a parameter registered with the Component::setReconfigurationParameter(const HString &rName) function
is changed.
- HopsanGUI:
- Do not trigger auto complete popup after @
- Do not auto select auto complete item while typing, user must press Tab, arrow keys or select with mouse
This avoids the very annoying unintentional auto complete
- Auto complete now replaces the entire completer prefix, to ensure that case is corrected
Example: step.out.y -> Step.out.y
- Fix auto complete not recognizing . in names such as Step.out.y
- If you invert a plot curve using the curve controls, the setting will be remembered for the next generation
If you want the invert curve setting to be persistent, check the box in the component properties instead
- HCOM "edit" command now opens supported files in the Hopsan text editor instead of external editor (which quite often is not found)
- Ops:
- Add elites parameter in genetic algorithm
The best individuals are always carried over to the next generation without crossover and mutation.
This helps avoid degradation of solution quality between generations.
----- Bug Fixes -----
- HopsanC:
- Header file for hopsanc was not included in release
- HopsanGUI:
- Do not clear undo-stack when a connector can not be found
- Prevent renaming subsystem copy twice
Fixes invalid name lookup for attached connector in undo
- Fix hand icon getting stuck (finally after all these years)
- Fix pasting system ports with connections
They are no longer lost due to port being renamed
- Fix enable/disable undo action syncing with changes in systems
- Fix redo for subsystem paste
- Process undo items in reverse order
So that sub-operations are undone in the correct order
- Fix redo for text widgets
- Fix model lock-level detection for top-level system
Prevents changes to model when model is locked
- Prevent paste while left mouse button is pressed
It would mess with the positions of the pasted components
- Maybe fixed crash when simulation is finished, related to progress bar handling
The problem could not be reproduced reliably (by the developers) so hard to know if it is fixed
- Remove fade effect on red error flash in terminal, on some systems it would take a long time to fade
Replaced by 400 ms solid read background
- Fixed lock axis setting was forgotten when browsing to an empty generation
- Fix splash screen not including version number and mentioning "development version"
- Ops:
- Check for minimum number of candidates in DE algorithm, to avoid crash.
DE algorithm requires four points
----- Component Libraries -----
- Renamed ContainerPort to SystemPort
Containers (a type of system) were removed from Hopsan several years ago
- Turn off rotation for various signal component icons with symbols
- Added missing unit to leakage parameter for all pump/motor components
Set the same default value for leakage parameter to 1e-12 for all pump/motor components
- Use consistent default parameter value for density 870 kg/m^3 in the default component library
- New component: Hydraulic differential pressure sensor
- Obsolete CppComponent and ModelicaComponent traces removed (were causing warning messages)
The HopsanGenerator can generate proper components, so the old wrappers are no longer needed (and they no longer work)
- New component: (Extension library) Experimental FMI wrapper using reconfigure rather then requiring recompilation
--------------------------------------------------------------------------------------------------------------------------------------------
2.16.0 (2020-11-08)
--- Important Change ---
To avoid name collision in HDF5 exports, the following names were reserved: Time, time, Frequency and frequency,
HopsanGUI will attempt to automatically rename such components and system parameter when loading a model,
but HopsanCLI will not, and models must be updated in the GUI first.
To avoid name collision, the new names will have the _INVALID_NAME suffix appended.
You will need to change them manually if you wish.
--- Enhancements ---
- HopsanCLI:
- Add command-line argument -p or --parallel to enable multi-core simulation from command line.
Note! Small models do not benefit from multi-core and will in fact run much slower, measure first
to decide if is useful for your model
- Unify CSV and HDF5 output code to make them behave the same way
- HDF5 exporter now uses the --logonly include filter
- Only export relevant time vectors when --logonly specifies a subset of variables
Example: If only a subsystem variable is exported, then only the time vector for that system is included
- HopsanGUI:
- Updated QWT so that it works with new Qt versions
- Make parameter export and import remember last used directory
- HopsanGenerator:
- Update bundled 7z version to 19.00 (Only used on Windows)
--- Bug Fixes ---
- HopsanCore:
- Restore PLO v2 format import to use one less number of data columns
- HopsanCLI:
- If simulation is aborted, then the entire pre-allocated time vector will no longer be export. Only up to the last actual sample
- HopsanGUI:
- Restore PLO v2 format export to use one less number of data columns (fix import crash)
- System parameters widget was not updated when importing parameters from file
- Do not tag model as changed when exporting parameters
- Allow HCOM sequ command to change Quantity for particular generation or all generations
Use the all option with care, as it will change the apparent unit on old data (without changing the actual data)
- After changing quantities from HCOM, the component properties dialogs would not get updated
They still need to be closed and opened
- Fix ComponentPropertiesDialog not showing when you double-click (try to open it the first time).
You were required to open it again, to actually show the dialog, also the model would be frozen in a non-editable state, due to hidden
opened properties dialogs.
--------------------------------------------------------------------------------------------------------------------------------------------
2.15.0 (2020-09-10)
--- Enhancements ---
New C-API shared library wrapper for Hopsan core with Julia, Matlab and Python language wrapper, see:
Scripts/Julia/hopsan.j1
Scripts/Matlab/hopsan.m
Scripts/Python/hopsan.py
Update to Qt 5.9.9 and MinGW-w64 5.4.0 on Windows
If you are building component libraries externally from an IDE, make sure that you use the new compiler (included with Hopsan)
- HopsanCore:
- Add Kinsol solver (libsundials) for solving algebraic equation systems
This library source code is bundled with and compiled into HopsanCore
- HopsanCLI:
- Enable HDF5 export of log variables from HopsanCLI
- Improved parameter export, with the following changes since previous versions
* Parameter export no longer prefix the subsystem name twice to system parameters
* System parameters in the top-level systems are prepended with the reserved name "self"
This means that old parameter files containing system parameters will no longer import correctly, without manual editing
However, parameter import was broken anyway, so that should not be a big problem (fixed in this release)
- Enable filtering --logonly results on individual variables in ports
The entire port is still logged in memory, but only the desired variables are written to CSV file
- HopsanGUI:
- The built-in python terminal has been removed, because it never worked well, and caused a lot of maintenance problems
- Apply icon scale when adding subsystem components
- Add automatic numbering and referencing of equations in markdown (LaTeX) help documentation.
Use LABEL=name and EQREF{name} according to the example in:
exampleComponentLib\HydraulicComponents\MyExampleOrifice.md
- Display highest generation command in HCOM, adds "dihg" command and "hg()" function
- HopsanGenerator:
- Use standard Modelica attributes for input and output variables in Modelica importer
- Complete rewrite of Modelica generator and related functionality
See the included ModelicaExampleLib
--- Bug Fixes ---
- HopsanCore:
- Fix compilation issue and stack overflow when using MSVC compiler
- Fix PLO v2 import bugs (import did not work)
- HopsanCLI:
- Fixed broken parameter import
- The command line argument --logonly, did not consider system ports on subsystems
- HopsanGUI:
- Always reload models before starting a new optimization, this avoids running old models if you make changes between optimization runs
- Correct tab names and tab indexes after restoring HopsanGUI state, when multiple models and/or text editors were opened
- Fixed PLO v2 export bugs
- Fixed markdown help not being shown when markdown file does not include equations
- Fixed LaTeX rendering of parentheses and brackets in help equations, (Updated to KaTeX 0.12.0)
--- Component Libraries ---
- Add new component "AeroFlightRecorder" to the "AeroComponents" library
- Resolves problem in SignalLogger with exponentially increasing simulation time due to appending and reallocating data vector
- Fix SignalLogger file stream on Windows, so that all values get written
- Fix incorrect equations in Gas Accumulator (HydraulicAckumulator)
- Add missing embedded text support to PLOLookupTable
- Display components (for animation) now has parameters for description, unit, unit scaling, precision, background color and text color
--------------------------------------------------------------------------------------------------------------------------------------------
2.14.2 (2020-05-22)
--- Bug Fixes ---
- HopsanGUI:
- Fixed new bug that prevented system parameters from automatically being copied into new systems when the
component using them was copied
- Fixed old bug where system parameters of other types then double would never be copied into a new system
--------------------------------------------------------------------------------------------------------------------------------------------
2.14.1 (2020-05-17)
--- Enhancements ---
- HopsanGUI:
- Add flat top windowing function to frequency analysis
- Unset axis lock for the specific axis when changing units or X-axis variable
- Optimization can now be aborted while evaluating initial candidates
--- Bug Fixes ---
- Packaging:
- Ubuntu Eoan package no longer depends on libpythonqt-qt5-python3-3 which is not available in the package repository
- HopsanCore:
- Fix bug in automatic model updater that would incorrectly add self. to constant parameter values if the parameter name and value
expression were identical. In this case the intended result would be to use the parent system parameter of the same name
--------------------------------------------------------------------------------------------------------------------------------------------
2.14.0 (2020-05-01)
This release contains an important change to how parameter referencing is done in start value expressions.
This change affects embedded scripts (numhop) and parameter value expressions. Previously when a named value was used in an expression,
the code first checked it the value was another parameter in the same component, then if one could not be found it checked in the parent
system, and then in the grand parent system, and so on.
This made it impossible to enforce choosing the parent system parameter if a local one of the same name existed.
This new change requires that parameters in the own component are prefixed by "self."
A named value not prefixed by self. is assumed to be part of the parent system, then the grandparent system and so on.
Parameter expression example: self.a + self.b + a
Would add the local parameters 'a' and 'b', to the parent system parameter also named 'a'
Models saved prior to version 2.14.0 will be auto updated, with the exception for embedded model initialization scripts.
For these scripts a dialog window (and log message) will list the variables that need to be renamed.
Note! There are no changes to how components are implemented in C++, this only affects modeling in HopsanGUI.
--- Enhancements ---
- HopsanCore:
- Use a more secure temp file generator to avoid security warning when compiling (mkstemp instead of tmpnam)
If a "system environment temp" directory is not set, temporary files may end up in the Hopsan installation directory, under bin
This is unlikely but may happen when running Hopsan from automated scripts
- Make it possible to differentiate between a components own parameters and parameters in the parent or grand parent systems, by
prefixing self. before parameter names in parameter expressions. For a components own parameters self. is now required.
- It is no longer necessary (but still possible) to specify .Value (in parameterName.Value) when referring to own parameters such
as start values in input/output ports
Example: "2*self.in" instead of "2*self.in.Value"
- HopsanGUI:
- Add HCOM support for self.Name in expressions using parameter values.
Note! HCOM will not evaluate parameters in parent systems
Note! HCOM will still work without 'self.'
Note! HCOM scripts will not be auto updated
- Real-time animation can now run at unlimited speed
- You must now double-click in the workspace to open the quick-component insert dialog
- Make it possible to use common HCOM math function on vectors (will evaluate per element)
- Add "Save and Run" button the HCOM script editor
- It is now possible to change units in Bode plots for magnitude and frequency
- It is now possible to change unit for custom x-axis data (if a Quantity is set for that data)
- Add Windowing functions to frequency analysis tools.
You can choose a time range of the logged data, and apply rectangular or Hann windowing functions
Rectangular is the same as before (add no additional windowing)
- HopsanGenerator:
- Export top-level system parameters as FMI parameters in exported FMUs
- FMI parameter import is now also available for FMI1 (as well as FMI2)
- Use Makefiles when compiling exported FMUs, this enables parallel compilation which is much faster
- Documentation:
- Fix user documentation link for frequency analysis
- Add missing documentation for HCOM script flow control
--- Bug Fixes ---
- HopsanCore:
- Made parameter and system parameter evaluation behave the same way for all supported parameter types
This fix is part of the reworked code that introduced self.Name parameter reference
- HopsanGUI:
- Fixed auto-update to follow redirects (auto update did not work after moving files to GitHub)
- Fixed crash when opening components with markdown documentation
- Prevent crash when mixing model and editor tabs (editor tabs will now always open to the right of model tabs)
- Fixed using referencing system parameter names for int and bool parameter types
- Fixed evaluation of HCOM round() in expressions like round(x)*y
- Change Bode plot frequency unit to rad/s, the values were in rad/s but previously the label claimed it was Hz
- Fixed invalid unit being shown when mixing multiple different Quantities on the x-axis in plots (you should avoid this anyway)
- HopsanGenerator:
- Fix import of parameter values for FMI v1 FMUs
- Fix loading of FMUs with different file name and FMU name
--- Component Libraries ---
- New component for logging signals to external file
- Made angular velocity unit a quantity (so that the unit may be changed) for various
components where the unit was previously hard-coded
- Make many signal components replaceable with each other
--------------------------------------------------------------------------------------------------------------------------------------------
2.13.0 (2019-11-26)
--- Enhancements ---
- HopsanGUI:
- Improved library and code generation / development capabilities in HopsanGUI. It is now the preferred choice for library development.
HoLC is deprecated and will not see further development or updates.
- Libraries can now include Modelica .mo files (a subset is supported), and the corresponding c++ Hopsan components will be auto generated
--- Bug Fixes ---
- HopsanGUI:
- Fixed drag-copying with right mouse button
- Fix bug in arguments check for exec HCOM command
- HopsanGenerator:
- Prevent generating header guards starting with digits (would fail for models whose name starts with a number)
- Fix model assets export for stand-alone exe-export. Assets will be stored in a directory called modelname-resources
This directory must accompany the exe file if it is moved.
- Set better default permission for exported files, rw_rw_rw_ for code and rwxrwxr_x for executable files
--- Component Libraries ---
- Lookup table components now have the option to add internal csv data as a parameter, this makes it easier to quickly
create simple lookup tables without having to deal with external files
- Lookup tables no support reading values from white-space padded columns
Example: 1.0, 2.0, 3.0
10 , 20 , 30
------------------------------------------------------------------------------------------------------------------------
2.12.1-snap (2019-07-29)
This is a special release for the snap version of Hopsan.
--- Enhancements ---
- The snap now uses the base snap core18 (Ubuntu 18.04) and includes improvements for desktop theme support.
The hopsan.gui and hopsan.holc applications should no longer look like "old software".
Unfortunately dark themes are not yet working well, but this is a problem for all variants of Hopsan.
- Hopsan (snap version) will overwrite the compiler path so that the internal snap bundled version of the compiler
is used automatically.
------------------------------------------------------------------------------------------------------------------------
2.12.0 (2019-07-15)
--- Enhancements ---
- HopsanCore:
- Added petri net node type
- HopsanGUI:
- Various text editor improvements
- Enable saving and loading parameter sets to file (.hpf) for the entire model, sub-systems as well as individual components.
Right click a component or subsytem to save or load parameter value sets.
The HCOM sapa and repa commands have also been updated.
- HopsanCLI:
- Made the --logonly command line argument affect only --resultsFullCSV output.
--resultsFinalCSV will still include the final values from all ports.
The purpose of --logonly is to reduce data amount for long simulations or optimizations with multiple iterations, but
the --resultsFinalCSV data is not very large and having access to final values for ports that were not logged may be useful.
- HopsanGenerator:
-Export model to black-box executable
--- Bug Fixes ---
- HopsanCore:
- Fixed loading of parameter value sets for entire systems (including subsystems)
- HopsanGUI:
- Fixed wrong XML tag when saving optimization settings
- HopsanGenerator:
- Format of generationDateAndTime in exported FMU is not valid
- Unable to recompile libraries when Hopsan installation path contains spaces
--- Component Libraries ---
- Corrected cavitation check for Q-type pumps
------------------------------------------------------------------------------------------------------------------------
2.11.5-flatpak (2019-04-30)
--- Enhancements ---
- This is a special release for the first Flatpak build
- HopsanGUI:
- "Apply & simulate" button in component properties dialog. Will apply all settings and simulate the model without closing the dialog.
- Improved point plotting in Optimization
- Use tables instead of widgets in layouts for optimization dialog
- Launch batch/shell scripts from HCOM
Launch .bat and .sh files using exec function in HCOM.
Syntax: exec script.bat arg1 arg2 ...
- Improved csv import support:
Support import column csv with data names on first line
Support importing row csv (names in first column)
Auto-detect HopsanCLI csv format
--- Bug Fixes ---
- HopsanGUI:
- Importing plot data in HCOM fails if no model is open
- Fix out-of-range crash in DE optimization
------------------------------------------------------------------------------------------------------------------------
2.11.0 (2019-01-25)
--- Enhancements ---
- HopsanCore:
- Add quantity Resistance with base unit Ohm instead of "ohm".
Also adds common unit scales to HopsanGUI.
- Add common math functions to embedded script (numhop), see users guide for details.
You can now write expression like "x=cos(y)" or "a=atan2(b,c+2)"
- HopsanGenerator:
- Added generator for compiler commands that should work with both GCC and Clang.
This is only used for library import compilation right now. It will be extended to FMU exporting later.
This should enable custom library importing on MacOS from HopsanGUI (but this has not been tested).
- HopsanGUI:
- Built-in script editor for HCOM scripts.
- Improved auto-completer in HCOM terminal.
- Case insensitive auto-completer for filter function in component library widget.
- It is now possible to add trace variables from multiple selected ports in the "debugging" widget.
- Improved find widget Ctrl+F, it now behaves similarly as in other application.
- Units scales are now sorted by scale.
- Removing three second real-time plotting window limit.
- Made it possible to run real-time animation (and plotting) without needing a previous log data generation.
- Add "chds" Change diagram size (and position) HCOM command.
- Click anywhere on the workspace to quickly add new components. Write the name in the filter box.
- The HoLC text editor functionality has been merged into HopsanGUI to improve and simplify the code editing experience.
- Improved the save-state functionality so that it is possible to recompile libraries without first closing the models that are using them.
Together with the code editor improvements this simplifies component development.
- HoLC:
- Short-key Ctrl+G for quickly compiling (G for generate).
- Zoom text with Ctrl+MouseWheel
- Improved auto-completer, automatically show auto-complete suggestions while user is typing.
Force-open auto-completer with Ctrl+Space
- Find widget in HoLC text editor, open with Ctrl+F
--- Bug Fixes ---
- HopsanGUI:
- Program crash after removal of disabled components.
- Incorrect "parameter not used" warning when parameter values are given by expressions.
- Plot unit selection does not allow a unit with scale one other than the base unit.
- Import button in data explorer is now disable when no model is open, to prevent import data from
going nowhere.
- Crash when double-clicking scope in real-time animation without an existing generation.
- Fix "real-time" plotting of play-back data. Now correct data index will be used instead of latest.
- System parameters in expressions are not added when copy-pasting components into a new system.
--- Component Libraries ---
- New spring-loaded switch animation component.
- Add min and max limit parameters for animation slider component.
- Add controller output limits to SignalPID2.
- Add Hidden leakage flow port in CylinderC component.
------------------------------------------------------------------------------------------------------------------------
2.10.0 (2018-09-28)
--- Important Changes ---
- The component library XML format has been updated.
See the included "componentLibraries\exampleComponentLib\exampleComponentLib.xml" for details.
Note! Hopsan will still be able to load files of the previous version.
--- Enhancements ---
- Models:
- Models will now know what external component libraries they require.
Libraries should have an <id> element in their XML file for this to work.
See the included "componentLibraries\exampleComponentLib\exampleComponentLib.xml" for details.
- FMU:
- When a model is exported to FMU or S-function, any required external component library will be included in the
export and compiled into the target.
Note! This requires that the source-code for the library is available and that all components, source files or
special build flags (if any) are listed in the component library XML. You can use HoLC (Hopsan Library Creator),
to add existing component files using a graphical users interface, but you can also update the library XML file
manually in a text editor.
- When a model that depend on data files (assets) is exported as an FMU, these files will now be included inside
the FMU, in the (resources) directory.
Note! Currently, any data file is included regardless of its size. This may pose a problem for very large files.
- When a model is exported into an FMU, the exported directory structure is much cleaner, and the FMU easier to find.
Temporary build and staging files are put into DESTINATION/fmu_build and DESTINATION/fmu_stage.
These directories are deleted the next time an FMU is exported to the same directory.
- HoLC:
- It is now possible to reload a file that was changed outside of HoLC, without restarting the program.
- It is now possible to add multiple existing files at the same time.
- Add existing files dialogues will now remember the last used directory.
--- Bug Fixes ---
- HoLC:
- It is no longer assumed that the name of library main XML and cpp files are the same as the library.
This allows overwriting existing library files on save.
- Build flags are now preserved when loading and saving a library XML file.
(You must still enter them manually in a text editor)
- The file dialog suffix filters should now work.
- FMU:
- Hopsan models exported as FMUs will no longer crash after 1/Ts simulation steps.
- HopsanGUI:
- Prevent severe slowdown after simulation when result data is collected.
This was especially noticable for large model or when many generations had been collected.
- Simulation:
- Disabled components are now allowed to have non-connected ports.
Note! If you disable components that are connected to enabled ones,
the simulation may not behave as you expect.
------------------------------------------------------------------------------------------------------------------------
2.9.0 (2018-07-02)
--- Important Changes ---
- The HopsanGenerator library refactoring. GUI parts were split into a separate library and the library now has a C API
- All Hopsan source files now use the file suffix '.cpp' rather then mixing '.cpp' and '.cc'.
- All binaries now use lower-case names (hopsancli.exe instead of HopsanCLI.exe).
- Continuous integration (Travis CI) and (Appveyor) now builds and tests every change to the Hopsan code.
This will reduce the risk of new code breaking old functionality.
--- Updates ---
- Update Qt to 5.6.3 on Windows (official Windows 10 support).
- Update the 64-bit Windows compiler to MinGW 4.9.4 (from 4.9.3). If you have manually set up a build environment for
custom component libraries you are encouraged to update (use one of the Hopsan downloads with compiler included).
- Update ZeroMQ to 4.2.5
--- Enhancements ---
- Optimization:
- Improved script file handling.
- Improved variable names in plots.
- Points are now sorted by objective value with DE algorithm.
- Script generation is now shown in a separate wizard.
- Reduced terminal output during optimization.
- New algorithm, Genetic Algorithm.
- FMU:
- Exported Hopsan FMUs will now report Warning and Error messages. Info messages will be reported as Debug type.
- Imported FMUs will now have their messages redirected to the Hopsan core logger instead of standard output.
messages should now be visible inside HopsanGUI. Enable Debug messages to see FMU Info messages.
- HopsanGUI:
- HCOM:
- Add PI constant 'pi()' in HCOM script.
- Add argument to filter DIPA output
- Add round, floor and ceil functions
- Add unco command to list ports that are not connected
- Export plot to image dialog will close after successful export.
- Generator import/recompilation dialogs will now auto close if the import succeeds. Various improvement have also
been made to the generator error handling to prevent importing old leftover files if compilation fails.
- Improved Hopsan core log file handling, the log file is now put in the temporary directory next to log cache files.
- Debug messages with log data collection speed has been added to help debug severe slowdown problems after the
simulation is finish. Enable debug messages to show them.
- The 32 bit version now includes openssl libraries so that the news feed can be accessed.
- HopsanCLI:
- The HopsanCLI takes a new argument '--log.corelogfile' to specify core log destination.
If not specified, the current working directory will be used.
- It is now possible to choose what ports to log when simulating using HopsanCLI.
Use the '--logonly' command line argument, and specify a comma-separated list of full port names.
It is also possible to alternatively specify a text file with one full port name per line.
Examples: Gain#out or SubsystemName#Gain#out
- When saving results from a HopsanCLI simulation, interface ports (system ports) will also be saved.
- Results saved by HopsanCLI now use scientific notation, this may increase precision for small values.
--- Bug Fixes ---
- Optimization:
- Plot windows should be reusable.
- Progress bars do not show with DE algorithm.
- Excessive progress bars are not removed when reducing number of models.
- Total progress bar is not updated with PSO algorithm.
- FMU:
- An exported Hopsan FMU will not signal failure if initialize or simulate fails.
- FMUs from JModelica cannot be imported.
The import code now supports 'CS and ME' FMUs. In this case the Co-Simulation variant will be used.
- HopsanGUI:
- The auto update link parser ignores Hopsan without compiler links.
- Animation crashes when variable is NaN or inf.
--- Component Libraries ---
- Fix inverted port initialization error in HydraulicTLMlossless.
- Fix error in pilot operated check valve.
- Fix error in HydraulicPistonAccumulator.
- The "Extension library" is now included by default with Hopsan. You can load it from the Hopsan installation directory.
This library contains experimental new components that have not yet been added to the default library.
------------------------------------------------------------------------------------------------------------------------
2.8.2 (2018-03-02)
- Bug fixed: HCOM max(abs(var)) fail to evaluate if var is a vector (also affects min)
- Bug fixed: Optimization: There should be a comma separator between the numbers in the parameter outputs
- Enhancement: It is now possible to choose what temp directory to use for the Hopsan GUI cache.
This may be helpful if the default directory is located on a slow network drive.
After each simulation, potentially very large log data cache files will be written here.
------------------------------------------------------------------------------------------------------------------------
2.8.1 (2017-11-30)
- Bug fixed: Prevent notifying that a new version is available if Hospan release "revision" is newer then the HopsanGUI "revision" in the same release.
- Bug fixed: Numbers are inverted in custom unit scale display dialogue. Actually they were not. They were supposed to be part of an equation, this is now shown.
- Bug fixed: If Hopsan is terminated or crash while the configuration file is saved, it will no longer become corrupt. (The previous version will remain intact)
- Bug fixed: The Linux version of Hopsan 2.8.0 can not dlopen libHopsanGenerator making it impossible to (re)compile external component libraries
- Enhancement: Auto download of new (Windows) versions will now save installer to the user "temp" directory rather than the "data" directory.
You should check your data directory for old installers and delete them manually!
Look in "C:\Users\USERNAME\AppData\Local\HopsanGUI" or similar.
- Enhancement: Greatly improved error/warning message output while loading external libraries, this should prevent bug: "Sometimes external components fails to load without error message"
- Enhancement: Added km/h, mph and knot custom speed units (Note! You can add your own in the Options menu if your favorites are missing)
------------------------------------------------------------------------------------------------------------------------
2.8.0 (2017-10-13)
- Change: Moved source code to GitHub: https://github.com/Hopsan/hopsan
Due to switching source code version control system from Subversion to Git(Hub), significant changes have been made to the build system and version numbering format.
- Change: New version numbering format (we also bumped the epoch number to avoid confusion with the previous generation of Hopsan (Version 1.4 released in 2001)
The new full version number format is: EPOCH.MAJOR.MINOR.DATE.TIME~BRANCH_NAME
For official releases, only the three first numbers will be shown in the file name, example: 2.8.0. But internally and for snapshots the date and time of the last commit will be appended.
This gives a behaviour that is similar to the monotonically increasing revision number used previously when the source code was handled by Subversion.
Optionally the branch name may be appended in the end (for experimental or snapshot builds, that do not originate from the "master" branch.
- Change: Re-licensed HopsanCore, HopsanCLI, libOps, libSymHop, libHopsanGenerator and libDefaultLibrary to Apache License 2.0
This is a more permissive license than the GPL license previously used.
Essentially: If you create derived work of the Hopsan core components (and distribute that work), your work must no longer be released under the GPL license.
Note! HopsanGUI and HoLC (the GUI applications) are still GPLv3 licensed.
Read the full license notices for details.
- Change: Removed obsolete csv_parser++ library (GPL licensed) from HopsanCore
libIndexingCSVParser is used everywhere instead (compiled into HopsanCore)
- Change: Removed Intel Thread Building Blocks library.
HopsanCore now relies on C++11 std::threads for multi-threading capabilities.
- Feature: Vector signal nodes. Note! Only realized by 2D node components as of yet.
These nodes are still static, so there would have to be a set of components for every vector size.
- Feature: Bi-directional signal ports (2D) read/write.
See external Grafcet example library
- Feature: HCOM New 'eval' command, Evaluate string expressions.
Example: eval "chpv Gain$i$.out.y" would first evaluate the variable i and then execute the 'chpv' command
- Feature: HCOM New 'mkdir' command, to create directories.
This may be useful when automate saving of data
- Enhancement: The version check and auto update (Windows only) system has been improved. If you have downloaded a version with the compiler included,
the auto update will now be able to download the new version also with the compiler included.
- Bug fixed: Prevent crash when copying HVectors of HStrings
------------------------------------------------------------------------------------------------------------------------
0.7.9 (2017-07-02)
- Bug fixed: Plot curves default to dashed lines
- Bug fixed: Reading symbols name from HCOM plot command will always give value 1,2 or 3 for symbol type
- Bug fixed: Subsytems become randomly disabled when models are loaded by the simulation core model loader, Affects CLI, FMU and Simulink export.
Simulation through HopsanGUI was apperantly not affected.
------------------------------------------------------------------------------------------------------------------------
0.7.8 (2017-04-04)
- Bug fixed: Plot widget is updated correctly when creating temporary HCOM variables
- Bug fixed: Fixed annoying warning of incorrect sRGB profile
- Bug fixed: HCOM "close" command can no longer close welcome screen
- Bug fixed: Legend setting no longer gets enourmous width
- Bug fixed: S-function compilation with Visual Studio
- Feature: Optimization can now be autostarted from regular HCOM terminal
- Feature: It is now possible to unload all external libraries at once
- Feature: Optimization can now have fixed start values for parameters
- Feature: Parts of a model can now be deactivated, so that it is not used in the simulation
- Feature: HCOM "ls" command now accepts wildcards
- Feature: HCOM "load" command now accepts wildcards
- Feature: HCOM "load" command now has an "all" option, to close all models
- Feature: HCOM "load" command now has a force flag, to supress warnings about closing unsaved models
- Feature: Pi constant in NumHop scripting
- Feature: It is now possible to load several models at the same time
- New component: 4/2 pressure controlled valve with no closed position
- Fixed component: Several errors in Forks component were solved
- Fixed component: Added end limitations to rotational inertia components
- Fixed component: Lossless connector components now stop simulation if connected to zero impedance components
------------------------------------------------------------------------------------------------------------------------
0.7.7 (2016-10-12)
- Bug fixed: Undefined reference errors for some functions in Matrix library
- Bug fixed: Imported FMUs now find their resource files as they should
- Bug fixed: Relative refencing of system parameters in subsystems
- Bug fixed: Compilation without TBB support now works properly
- Bug fixed: Crash when starting optimization if subsystems with container ports are present
- Bug fixed: Some incorrect expressions no longer evaluates OK in HCOM
- Bug fixed: Graphics export from plot window now remembers the path from last export
- Bug fixed: CylinderQ icon now has a spring
- Bug fixed: The combo boxes in plotwindow curve info are now set to the correct values if you choose style/color/thickness from a HCOM plot command
- Bug fixed: Undo and redo removal of a component with an alias will make the component loose alias and crash the program at next simulation
- Bug fixed: HCOM now ignores everything after comment characters
- Fixed components: C-type pressure source components now handle start values correctly
- Feature: Plot symbols can now be specify from from plot commands in HCOM
------------------------------------------------------------------------------------------------------------------------
0.7.6 (2016-07-01)
- Bug fixed: Numhop +- expressions fail if left-hand variable name ends with e or E
- Bug fixed: If you close the add-system-parameter widget with the "cross" in the top right corner, it is impossible to open it again
- Bug fixed: HopsanGUI hangs forever when closing a model with one or more open properties dialogs
- Bug fixed: Confusion in variable lookup when matching against alias names, causing incorrect behaviour of rmvar HCOM command (and likely others),
'rmvar aliasname', will now remove the alias variable itself and unregister the alias name from the actual real variable.
- Enhancement: Increased precision (double to string conversion) of some HCOM scalar outputs and the plot markers display text.
- Enhancement: The 'to_hstring' utility function now takes an additional 'precision' argument, so that the precision of the resulting string
can be chosen. The default value is 17, this resolves issues with evaluated numerical expressions in parameters getting truncated.
- Enhancement: Limited boolean operator support in numhop, true = 1 and false = 0
- Enhancement: HCOM's elementwise power function for vectors now support other (positive) powers than 2
- Enhancement: HCOM's linspace and logspace functions will now evaluate arguments (so that variables can be passed)
- Enhancement: HCOM's rmvar command has changed behaviour, 'rmvar name' now removes name at CURRENT generations, equal to 'rmvar name@c'
- Enhancement: The animation speed value is now remembered if the widget is closed and then reopened
------------------------------------------------------------------------------------------------------------------------
0.7.5 (2016-05-19)
- Feature: HCOM vector function that can create a vector from input arguments. Ex: "a = vector(1,2,3,4,5)"
- Feature: It is now possible to import "Space separated value" files into HopsanGUI
- Feature: Both 64-bit and 32-bit builds are now available for Windows.
- Bug fixed: FFT function would create frequency vector in Hz but the default unit for frequency in Hopsan is rad/s.
Note! Default plot unit can be changed in the global program options dialog.
- Bug fixed: Incorrect memory deallocation in Delay class (memory leak in components using delay buffers)
- Bug fixed: Remote server worker would report failure instantly when launching worker thread sometimes (race condition)
- Bug fixed: Prevent crash after removal of nested system parameters due to dangling pointer in "needs evaluation" list
- Bug fixed: Prevent crash when incorrect port name is given to logging enable check/set
- Bug fixed: Fixed HCOM crash if enddefine is missing
- Bug fixed: Fixed crash bugs in HCOM flow control (if, while, foreach)
- Bug fixed: Simulink S-function export from Hopsan now has working system parameters (including pre-set default values)
- Bug fixed: Data file lookup when using relative paths did not work on Windows when paths contained \ during CLI simulation
- Bug fixed: Editing port positions on a component would affect the entire class of the component (new components would get the changed ports)
- Bug fixed: Revision information was lost in deb releases
- Enhancement: ServerMonitor can now list completely free servers (use the -f flag)
- Enhancement: It is now possible to change the receive timeouts in the ServerMonitor and RemoteClient
(Useful if you are working over a slow poor connections)
- Enhancement: It is now possible to decide how many slots are required when starting jobs through the RemoteClient
- Enhancement: Moved meta info into system tag in xml, so that subsystems in a model can be given author information
- Enhancement: HCOM flow control condition can now be an expression (that is evaluated)
- Enhancement: It is now possible to specify import format to the "repl" HCOM command
- Enhancement: Parameter values are now shown in a tool tip, to allow reading long expressions that do not fit in the parameter value edit box
- Enhancement: Improvements and fixes in the CLI optimization function
- Enhancement: Improved handling of "dead workers" by remote server, slots will not remain locked if workers die
- Enhancement: Console mode is now activated for Windows builds, std. output will now be shown in a terminal window.
This can be used for simple debugging of your own components.
- Fixed component: Force was not set to zero in MechanicFreeLengthWall when C-component was not in contact
- Fixed component: "Translational Spring" C-component now have alpha TLM filter parameter.
- Fixed component: Improved some "aero" components and example models
------------------------------------------------------------------------------------------------------------------------
0.7.4 (2016-03-11)
- Feature: HCOM sepl command to set plot label
- Feature: HCOM revert command to revert model changes
- Enhancement: HCOM can now evaluate multiple HCOM function calls on the same line. Example: ones(10)+ones(10)*2
- Enhancement: HCOM print command is now able to print variables or expression results directly without embedding in string
- Enhancement: New quantities Momentum, Power, Energy
- Enhancement: Remote simulation server will now accept a user name so that files on the server will not collide when multiple people are using the service.
The user name can be set in HopsanGUI or supplied to the RemoteClient command line tool.
- Enhancement: Disabled editing, solver selection and recompile button in the code viewer (in Component Properties) for C++ components since it is not possible to
actually change / recompile individual components from within HopsanGUI. This was causing confusion.
- Enhancement: Disabled the "Dual View" in the library widget since it will fail to show all components in some cases. Fixing the problem will require to much work,
the code is still there if someone want to give it a try. This change also removes the "HelpButton" but the UsersGuide is still available through the help menu.
- New component: Hydraulic Piston Accumulator has been added
- Bug fixed: When loading a model from a 0.6 version of Hopsan using custom parameter scales, the scale factors are inverted in the properties dialog.
(Simulation is not affected!)
When a scale mismatch is detected on loading a model, it will now be updated to the latest version.
Note! Since old versions of Hopsan does not have this fix, the unit scales saved in a model from Hopsan 0.7 are not backwards compatible with Hopsan 0.6.
- Bug fixed: It is not possible to use HCOM function calls as arguments to HCOM commands if spaces exist in the argument list to the function call
- Bug fixed: HCOM crash if taking square of temporary vector expression
- Bug fixed: Rare crash due to "double free" in SymHop Expression destructor
- Bug fixed: HCOM scalar/vector division falls back to startvalue for vector name instead of using the vector
It will now be interpreted as (scalar * 1 ./ vector) (scalar * Element-wise inverted vector)
- Bug fixed: In xy-plots the unit label for custom x-axis was incorrect, it got the y-axis unit
------------------------------------------------------------------------------------------------------------------------
0.7.3 (2016-02-23)
- Feature: Running optimizations from HopsanCLI
- Enhancement: If you select multiple system parameters then all components with selected parameters will be highlight
- Enhancement: No longer listing system port variables twice in the plot widget
- Enhancement: PortType is now saved in port tag in model xml (for external tools)