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Mesh surface charts visualize three-dimensional data using a table of points, where each cell contains X, Y, and Z coordinates.
The arrangement of points in the table defines the topology of the surface, while a triangulation algorithm connects neighboring points to form a continuous surface of triangles.
Mesh surfaces can represent complex shapes and irregularly spaced data, providing an effective way to visualize relationships between three-dimensional coordinates.
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| Row \ Column | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| 0 | (0.0, 0.0, 42) | (1.2, 0.1, 57) | (2.1, 0.0, 68) | (3.0, 0.2, 51) |
| 1 | (0.1, 1.1, 63) | (1.3, 1.2, 81) | (2.2, 1.0, 94) | (3.1, 1.3, 72) |
| 2 | (0.0, 2.2, 55) | (1.1, 2.1, 76) | (2.3, 2.2, 88) | (3.2, 2.0, 64) |
| 3 | (0.2, 3.1, 37) | (1.2, 3.3, 49) | (2.1, 3.2, 61) | (3.0, 3.1, 45) |
Mesh Surface chart data is organized as a two-dimensional table, where each cell contains an X, Y, and Z coordinate triplet defining a point in three-dimensional space.
The rows and columns of the table define the topology of the mesh, determining which points are connected, while the coordinate values define the position of each point and the shape of the resulting surface.
Choose the Right Type of Chart
Mesh Surface charts are best used when displaying irregularly spaced 3D data that is ordered in a grid. In some cases it may be more appropriate to use a Grid Surface (when all data points have common X/Z coordinates), or Triangulated Surface (when the data points are not ordered in a grid).
Simplify the Data
Mesh Surface charts can contain millions of data points, and rendering such a large number of data points, especially interactively is very computationally expensive. You can use various methods to simplify the rendered data set like binning or clustering, which are built into the chart.
Label Axes Clearly
Label the x, y, and z axes to ensure the chart is easily interpretable. Include units of measurement if necessary.
Use Lighting and Shading Appropriately
Lighting and shading can enhance the 3D effect of Mesh Surface charts. Experiment with different lighting and shading options to find the best way to represent your data.
Context
Provide context for the data by including a title, captions, and annotations. Explain the purpose of the chart, the meaning of the data, and any relevant background information.
