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Intro

Laph is a program designed for use in physics labs/experiments, born out of the authors abhorrence of Excel. Instead of tables and cells, Laph uses nodes to build a DAG (Directed Acyclic Graph) of computations.

Laph includes an embedded Julia runtime, which is used to compute the graph. Each node (except for input nodes) is backed by a Julia file containing functions that map to each output socket; and this provides an enormous amount of flexibility when it comes to processing the data.

Laph

Requirements

  • A C++14 compliant compiler
  • Qt 5.11 or higher
  • Julia 1.0 or higher
  • CMake 3.8.0 or higher

Roadmap

  • Create a draggable canvas and nodes/sockets/wires
  • Embed Julia
  • Initial version of a lazily-evaluated graph engine
  • Undo/redo [in progress]
  • Unit tests
  • Support for saving the node graphs (including node settings and vector data)
  • Plotting support (most likely using QCustomPlot)
  • Optimize the graph engine

Quickstart

Assuming we are in the cloned repo directory:

mkdir build && cd build
cmake ..
make

Note that the path to the Julia libraries/headers are expected to be in JULIA_LIB_PATH and JULIA_INCLUDE_PATH, respectively.