3-D scatter plot of text (2024)

Table of Contents
Syntax Description Examples Create 3-D Text Scatter Plot Specify Word Colors Input Arguments x — x values vector y — y values vector z — z values vector xyz — x, y, and z valuesmatrix str — Input text string vector | cell array of character vectors ax — Axes object axes object Name-Value Arguments TextDensityPercentage — Percentage of text data to show 60 (default) | scalar from 0 through 100 MaxTextLength — Maximum length of text labels 40 (default) | positive integer MarkerColor — Marker colors'auto' (default) | 'none' | RGB triplet ColorData — Text colors [] (default) | RGB triplet | matrix of RGB triplets | categorical vector Colors — Category colors matrix of RGB triplets Output Arguments ts — TextScatter object TextScatter object Version History See Also Topics MATLAB Command Americas Europe Asia Pacific

3-D scatter plot of text

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Syntax

ts = textscatter3(x,y,z,str)

ts = textscatter3(xyz,str)

ts = textscatter3(ax,___)

ts = textscatter3(___,Name,Value)

Description

example

ts = textscatter3(x,y,z,str) creates a 3-D text scatter plot with elements of str at the locations specified by the vectors x, y, and z.

example

ts = textscatter3(xyz,str) creates a 3-D text scatter plot with elements of str at the locations specified by the rows of xyz. This syntax is equivalent to textscatter(xyz(:,1),xyz(:,2),xyz(:,3),str).

ts = textscatter3(ax,___) plots into axes object ax. Use this syntax with any of the input arguments in previous syntaxes.

example

ts = textscatter3(___,Name,Value) specifies additional TextScatter properties using one or more name-value pair arguments.

Examples

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Create 3-D Text Scatter Plot

Open Live Script

Plot a string array of numbers at random points on a 3-D text scatter plot.

x = rand(50,1);y = rand(50,1);z = rand(50,1);str = string(1:50);figuretextscatter3(x,y,z,str);

3-D scatter plot of text (1)

Alternatively, you can pass the coordinates x, y, and z as a matrix xyz, where x, y, and z are the columns of xyz.

xyz = [x y z];figuretextscatter3(xyz,str)

3-D scatter plot of text (2)

Open Live Script

Create text scatter plot of a word embedding and specify word colors.

Load a pretrained word embedding using fastTextWordEmbedding. This function requires Text Analytics Toolbox™ Model for fastText English 16 Billion Token Word Embedding support package. If this support package is not installed, then the function provides a download link.

emb = fastTextWordEmbedding;

Convert the first 250 words to vectors using word2vec. V is a matrix of word vectors of length 300.

words = emb.Vocabulary(1:250);V = word2vec(emb,words);size(V)
ans = 1×2 250 300

Embed the word vectors in a 3-D space using tsne.

XYZ = tsne(V,'NumDimensions',3);

Plot the words at the coordinates specified by XYZ in a 3-D text scatter plot. Specify the word colors to be random.

numWords = numel(words);colorData = rand(numWords,3);figuretextscatter3(XYZ,words,'ColorData',colorData)title("Word Embedding t-SNE Plot")

3-D scatter plot of text (3)

Input Arguments

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x — x values
vector

x values, specified as a vector. x, y, z, and str must be of equal length.

Example: [1 2 3]

y — y values
vector

y values, specified as a vector. x, y, z, and str must be of equal length.

Example: [1 2 3]

z — z values
vector

z values, specified as a vector. x, y, z, and str must be of equal length.

Example: [1 2 3]

xyz — x, y, and z values
matrix

x, y, and z values, specified as a matrix. The first, second, and third columns of xyz correspond to the x, y, and z values, respectively.

str — Input text
string vector | cell array of character vectors

Input text, specified as a string vector or cell array of character vectors. x, y, z, and str must be of equal length.

Example: ["one" "two" "three"]

Data Types: string | cell

ax — Axes object
axes object

Axes object. If you do not specify an axes object, then the function uses the current axes.

Name-Value Arguments

Specify optional pairs of arguments as Name1=Value1,...,NameN=ValueN, where Name is the argument name and Value is the corresponding value. Name-value arguments must appear after other arguments, but the order of the pairs does not matter.

Before R2021a, use commas to separate each name and value, and enclose Name in quotes.

Example: 'Marker','*' specifies the markers to be asterisks.

The TextScatter object properties listed here are only a subset. For a complete list, see TextScatter Properties.

TextDensityPercentage — Percentage of text data to show
60 (default) | scalar from 0 through 100

Percentage of text data to show, specified as a scalar from 0 through 100. To show all text, set TextDensityPercentage to 100. To show no text, set TextDensityPercentage to 0.

If you set TextDensityPercentage to 100, then the software does not plot markers.

Example: 70

MaxTextLength — Maximum length of text labels
40 (default) | positive integer

Maximum length of text labels, specified as a positive integer. The software truncates the text labels to this length and adds ellipses at the point of truncation.

Example: 10

MarkerColor — Marker colors
'auto' (default) | 'none' | RGB triplet

Marker colors, specified as one of these values:

  • 'auto' — For each marker, use the same color as the corresponding text labels.

  • 'none' — Do not show markers.

  • RGB triplet — Use the same color for all the markers in the plot. An RGB triplet is a three-element row vector whose elements specify the intensities of the red, green, and blue components of the color. The intensities must be in the range [0,1]; for example, [0.5 0.6 0.7].

Example: [1 0 0]

ColorData — Text colors
[] (default) | RGB triplet | matrix of RGB triplets | categorical vector

Text colors, specified as one of these values:

  • RGB triplet — Use the same color for all the text in the plot. An RGB triplet is a three-element row vector whose elements specify the intensities of the red, green, and blue components of the color. The intensities must be in the range [0,1]; for example, [0.5 0.6 0.7].

  • Three-column matrix of RGB triplets — Use a different color for each text label in the plot. Each row of the matrix defines one color. The number of rows must equal the number of text labels.

  • Categorical vector — Use a different color for each category in the vector. Specify ColorData as a vector the same length as XData. Specify the colors for each category using the Colors property

Example: [1 0 0; 0 1 0; 0 0 1]

Colors — Category colors
matrix of RGB triplets

Category colors, specified as a matrix of RGB triplets. An RGB triplet is a three-element row vector whose elements specify the intensities of the red, green, and blue components of the color. The intensities must be in the range [0,1]; for example, [0.5 0.6 0.7].

By default, Colors is equal to the ColorOrder property of the axes object.

Example: [1 0 0; 0 1 0; 0 0 1]

Output Arguments

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ts — TextScatter object
TextScatter object

TextScatter object. Use ts to access and modify properties of the text scatter chart after it has been created. For more information, see TextScatter Properties.

Version History

Introduced in R2017b

See Also

wordcloud | textscatter | tokenizedDocument | fastTextWordEmbedding | wordEmbedding | word2vec

Topics

  • Visualize Text Data Using Word Clouds
  • Visualize Word Embeddings Using Text Scatter Plots
  • Prepare Text Data for Analysis

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                                                        3-D scatter plot of text (2024)
                        

                            
                        

                    

                                                                                                            
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