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45 lines
2.1 KiB
TeX
45 lines
2.1 KiB
TeX
\chapter{Design}\label{ch:design}
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We now explain the design of Birdvisu in depth. First, we explain some
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important decisions and present the overall structure of the project, then we
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look into individual parts of the program.
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Birdvisu is implemented in Python, using PySide6, the official bindings for
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Qt6, for drawing on screen. We decided to use Qt, because it provides a lot of
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pre-made widgets and tools and since it is widely used, it is easy to find help
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for it on the Internet. The decision to use Python was not hard either. Not
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only Qt has official bindings for it, but we use the language very often and
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thus are comfortable writing in it. We do not expect the potential slowness of
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Python to be an issue, because for handling graphics we are using Qt, which is
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written in C++. Also, as we have analysed in section~\ref{s:areas}, we expect
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the topologies to be quite small.
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The project comprises of three main parts: data collection, annotation and
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presentation part. The data collection part is tasked with finding out the
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current topology and creating a usable representation of such topologies and
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their combinations. In the annotation part, we add additional information to
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the topologies like the difference from the expectation or graph properties of
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the topology. Finally, when we have all the needed information, we draw the
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topology on the screen, highlighting the relevant information.
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\section{Recurring and general patterns}
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\XXX{dictionaries everywhere, hashable recipes. ospffile with comments as a reusable format. Format of VertexID}
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\section{Data collection: providers and parsing}
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\XXX{sub-parts, why a topology is not a graph, stacking topologies with
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multiedges, fake-freezing, why is everything static. Graph representation, selection of BIRD's
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instance}
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\section{Annotations}
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\XXX{scoping, annotator creation, advantages of storing data in annotations and
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not vertices. Annotator protocol and posibility of export. Various uses of annotators: enhancing, analysis, visualisation}
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\section{Visualisation}
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\XXX{Layouting (nonexistent), why not graphviz, why not consensual metrics, how we are re-using annotations internally. Saving layouts}
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