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Measuring object width from 3D image without reference point
I have a set of three 2D images of the same location. At these locations are a number of trees which I want to measure the width...
7 years 前 | 0 个回答 | 0
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Matching and adding data from multiple columns between different arrays
Hello, I have two matrixes of nx3 (A) and a larger nx7 (B) where B also has more rows. All of the data in A matches data in B...
8 years 前 | 1 个回答 | 0
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Grouping rows on the first two columns
Hello, I have a nx3 matrix for which I need to a) group cells which have matching values in the first and second columns, b) ...
8 years 前 | 1 个回答 | 0
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Finding the coordinate values at the boundary of an irregular matrix
Hello! I have an XYZ matrix of data which describes a complex shape. I want to find the XY coordinates of my data which corre...
8 years 前 | 0 个回答 | 0
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Interpolating from different rows in a for loop
Hello! I want to interpolate between multiple cross-sections. Each cross-section is a 10x100 matrix of XY coordinates. Each c...
8 years 前 | 1 个回答 | 0
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Sampling mutliple data around a specific point
I have a large number of xyz data. I need to find the nearest equivalent data points within this data set to some coordinates. I...
8 years 前 | 0 个回答 | 0
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Generating non-linear n vectors for interpolation
I have a scatter of points (example image attached). I want to interpolate them using griddata. However, I'm having trouble gene...
8 years 前 | 1 个回答 | 0
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Finding max Z-values for multiple XY values
I want to compare two XYZ matrices of different sizes and produce an output containing the maximum Z-values for a given XY. The ...
9 years 前 | 0 个回答 | 0
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Removing data below a polysurface threshold
I have a matrix (XYZ) with which I want to remove data above a certain threshold. The threshold is set by a polysurface. How can...
9 years 前 | 0 个回答 | 0
