System Requirements

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Indholdsfortegnelse 1 System Requirements 1.1 Properties 1.2 Program tasks 1.2.1 Open a Csound document 1.2.2 Save a Csound document 1.2.3 Add vertex to graph 1.2.4 Delete vertex 1.2.5 Move vertex 1.2.6 Add edge 1.2.7 Delete edge 1.2.8 Move allready created edge 1.2.9 Select one or more vertices

System Requirements

These system requirements and program tasks are very loosely defined and should be examined further before starting the programming.

Properties

• The Programmet must be able to graphically represent a graph structure.
• The Programmet must be able to provide overview of all abailable opcodes.
• The Programmet must be able to convert the graph structure to Csound code.
• The Programmet must be able to convert Csound code to graphical representation.
• The Programmet must be able to let the user manipulate the graph structure visually.

Program tasks

Open a Csound document

• • Show a menu with the possibilty to open a .csd file.
  • Examine the document. Does have information about the position of the vertices.
    • IF Csound dokument indeholder oplysninger om knudernes grafiske placering på skærmen: Konverter Csound dokument til graf.
    • ELSE Fordel graf over tilgængeligt skærmbillede, så overlap så vidt muligt undgås.

Save a Csound document

• Show file menu with the option to save a .csd file
• Convert graph to Csound document including information about vertex positions.

Add vertex to graph

• Select opcode in tree-menu.
• Drag and drop it onto the canvas.

Delete vertex

• IF one or more vertices are selected: push 'Delete'.
• ELSE select vertex and push 'Delete'.
• Delete vertex including its edges from graph.

Move vertex

• Select vertex
• Move vertex
• IF more than one vertex is selected: Update position of all verticesand there edges.
• ELSE Update only the vertex and its edges position

Add edge

• Select input or output on vertex.
• Move cursor to other input or output (different from first selection).

Delete edge

• Select edge
• Delete edge

Move allready created edge

• Select edge in one end
  • IF cursor is moved to same or other input or output: Update edge data
  • ELSE delete edge from graph

Select one or more vertices

• Select canvas outside any vertices or edges
• Move cursor over all vertices and edges to select them.