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Related Concept Videos

Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

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Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
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Survival Tree01:19

Survival Tree

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Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
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Adjusting a Traverse01:12

Adjusting a Traverse

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In the site survey of a four-sided traverse, internal angles are essential to ensure geometric accuracy. The survey revealed that the sum of the measured internal angles was 359 degrees and 48 minutes, which is 12 minutes less than the expected 360 degrees. This discrepancy signals an error likely arising from measurement inaccuracies during the fieldwork.To rectify this error, the adjustment process involved distributing the 12-minute shortfall equally across the four internal angles. By...
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Design Example: Marking Boundaries of a Site Using a Compass01:12

Design Example: Marking Boundaries of a Site Using a Compass

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Marking site boundaries using a compass is a precise surveying technique that ensures the accuracy of boundary delineation. The process begins by using provided site details, including the bearings and lengths of each boundary line. The initial step involves calculating latitudes and departures for all sides of the site. This computation verifies that the traverse is free of errors, ensuring a closed and accurate boundary.The process starts at a known point, such as Point A, which is often...
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Phylogenetic Trees03:21

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Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.
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Ogive Graph01:07

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An ogive graph is sometimes called a cumulative frequency polygon. It is one type of frequency polygon that shows cumulative frequency. In other words, the cumulative percentages are added to the graph from left to right. An ogive graph plots cumulative frequency on the vertical y-axis and class boundaries along the horizontal x-axis. It’s very similar to a histogram; only instead of rectangles, an ogive displays a single point where the top right of the rectangle would be. Creating this...
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Updated: Aug 25, 2025

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GoTreeScape: Navigate and Explore the Tree Visualization Design Space.

Guozheng Li, Xiaoru Yuan

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    This summary is machine-generated.

    GoTreeScape helps users explore tree visualization designs using a declarative grammar. This system projects visualizations onto a 2D landscape, revealing relationships between design features for better understanding.

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    Area of Science:

    • Computer Graphics
    • Information Visualization
    • Human-Computer Interaction

    Background:

    • Declarative grammars are crucial for exploring complex visualization design spaces.
    • Existing methods may not adequately support the undirected nature of exploratory visualization design.
    • Visualizing tree structures presents unique challenges in design space exploration.

    Purpose of the Study:

    • To introduce GoTreeScape, a system for navigating and exploring the design space of tree visualizations.
    • To leverage declarative grammar (GoTree) for systematic visualization design.
    • To support diverse exploratory search strategies in visualization design.

    Main Methods:

    • Developed GoTreeScape based on an encoder-decoder architecture.
    • Projected tree visualizations onto a 2D landscape, considering design feature relationships.
    • Implemented an exploratory framework with top-down, bottom-up, and hybrid exploration modes.

    Main Results:

    • GoTreeScape effectively visualizes the design space of tree visualizations.
    • The 2D landscape projection reveals interrelationships between visualization design features.
    • Case studies demonstrate GoTreeScape's ability to expand the range of designed tree visualizations.

    Conclusions:

    • GoTreeScape provides a powerful tool for exploring declarative visualization design spaces.
    • The system supports flexible and efficient exploration of tree visualization designs.
    • GoTreeScape enhances the discovery of novel and diverse tree visualization designs.