./x11/kde-applications/step [KDE interactive physics simulator]
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Version: 18.12.0, Package name: step-18.12.0
Maintained by: Rafael Sadowski
Master sites:
Step is an interactive physical simulator. It allows you to explore the
physical world through simulations.


- Classical mechanical simulation in two dimensions
- Particles, springs with damping, gravitational and coulomb forces
- Rigid bodies
- Collision detection (currently only discrete) and handling
- Soft (deformable) bodies simulated as user-editable particles-springs
systems, sound waves
- Molecular dynamics (currently using Lennard-Jones potential): gas and
liquid, condensation and evaporation, calculation of macroscopic quantities
and their variances
- Unit conversion and expression calculation: you can enter something like
(2 days + 3 hours) * 80 km/h and it will be accepted as distance value
- Error calculation and propagation: you can enter values like 1.3 +/- 0.2
for any property and errors for all dependent properties will be calculated
using statistical formulas
- Solver error estimation: errors introduced by the solver are calculated and
added to user-entered errors
- Several different solvers: up to 8th order, explicit and implicit, with or
without adaptive timestep
- Controller tool to easily change properties during the simulation, including
customizable keyboard shortcuts
- Tools to visualize results: graph, meter, tracer
- Context information for all objects, integrated wikipedia browser
- Collection of example experiments and integrated tutorials

Filesize: 839.199 KB
Version History (View Complete History)
  • (2018-12-18) Updated to version: step-18.12.0
  • (2018-12-11) Package added to openports.se, version step-18.08.2 (created)
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CVS Commit History:

   2019-03-24 05:57:04 by Rafael Sadowski | Files touched by this commit (106)
Log message:
Zap variable KDE5
We are now KDE4 free in kde-applications so there is no reason to tag KDE5
   2019-03-08 13:00:57 by Charlene Wendling | Files touched by this commit (344)
Log message:
qt5.port.mk: change COMPILER
Move it to "base-clang ports-gcc" and bump REVISION accordingly.
This unbreaks Qt5-related binaries runtime on macppc.
OK sthen@
   2018-12-18 02:39:21 by Rafael Sadowski | Files touched by this commit (246)
Log message:
Update KDE Applications to 18.12
Release notes:
Port notes:
- Update all KDE5 ports to 18.12.0
- Reorder Makefile and enable libkmahjongg and kmahjongg
- Change MAINTAINER email
- New kde-applications.port.mk baesed on Makefile.inc
- Includes the following new helpers:
- Makefile.inc improvements
- Fix and improve some many @pkgpath's, @sample's, and run-,build-
and lib-depends.
- Tweak some CATEGORIES
The new infrastructure makes it very easy for us to port the missing KDE5
Feedback from kn@ Thanks!