Prior to Origin 2018, the application of a custom boundary sometimes generated an imperfect fill at boundary margins. Supports Layer Boundary, Data Boundary and Custom Boundary.Ĭontour graphs created from XYZ data or a virtual matrix support nonlinear X/Y axes while those from a matrix window only support linear axes.Other advantages to creating contour graphs from XYZ worksheets: This change will be most noticeable if there are large scale range differences between X and Y values. Thus, contour and 3D surface plots of XYZ worksheet data, created in version 2016 and higher, may differ from plots of the same data created in earlier versions. Previous versions performed some normalization of X and Y data before plotting. Note: A contour triangulation algorithm that plots raw X and Y data was implemented for Origin 2016. On the other hand, creating a contour plot directly from XYZ worksheet data uses a triangulation method to generate the contour lines, and there is no need to generate a matrix. Creating a contour plot from a matrix is faster than creating a contour plot directly from a worksheet, so the matrix method is suitable for large data. Note that a contour plot in Origin can be created from matrix data, worksheet data, or virtual matrix data. The (Plot Details) Color Map/Contours and Label tabs provide controls for editing your contour graphs. Origin provides seven contour graph types: 5 Algorithm for Creating a Contour from a Matrix.4 Algorithm for Creating a Contour from a Worksheet.3.2 Dialog Controls of the Generate Grid Dialog.3.1 Generate Grid from XYZ Contour Plot.3 The Highlight Features for Contour Graphs.2 How to Create and Customize Contour Graphs.
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