3d Scatter Plot Software

About AlphaPlot

• 3d Scatter Plot Software Program
• 3d Scatter Plot Freeware

The 'Excel 3D Scatter Plot' macros may not be sold or offered for sale, or included with another software product offered for sale. Companies that distribute public domain/freeware/shareware software for profit are expressly prohibited from distributing the 'Excel 3D Scatter Plot' workbook. Alpha Plot can generate different types of 2D and 3D plots (such as line, scatter, bar, pie, and surface plots) from data that is either imported from ASCII files, entered by hand, or calculated using formulas.

AlphaPlot can generate different types of 2D and 3D plots (such as line, scatter, bar, pie, and surface plots) from data that is either imported from ASCII files, entered by hand, or calculated using formulas. The data is held in spreadsheets which are referred to as tables with column-based data (typically X and Y values for 2D plots) or matrices (for 3D plots). The spreadsheets as well as graphs and note windows are gathered in a project and can be organized using folders. The built-in analysis operations include column/row statistics, (de)convolution, FFT and FFT-based filters. Curve fitting can be performed with user-defined or built-in linear and nonlinear functions, including multi-peak fitting, based on the GNU Scientific Library. The plots can be exported to several bitmap formats, PDF, EPS or SVG. Scripting Console support in-place evaluation of mathematical expressions and scrtipting interface to ECMAScript like dynamic scripting language(java script). The GUI of the application uses the Qt toolkit.

3d Scatter Plot Software Program

Development started in 2016 as fork of SciDAVis 1.D009, which in turn is a fork of QtiPlot 0.9rc-2. AlphaPlot aims to be a tool for analysis and graphical representation of data, allowing powerfull mathematical treatment and data visualization while keeping a user-friendly graphical user interface and an ECMAScript like scripting interface for power users which can be easily automated.

Hp laserjet m1132 mfp printer driver for mac. Legal notice: Permission is granted to copy, distribute and/or modify this software under the terms of the GNU Free Documentation License, Version 2.0 published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts.

Stable Releases

We recommend all users to download AlphaPlot from Sourceforge, GitHub or official website only. Any other download sites may contain malware or modified source code.

• 2020.05.07Alpha Test 1.011A

• 2020.04.14Alpha Test 1.01A

• 2016.05.03Alpha Test 0.01A-2

• 2016.04.02Alpha Test 0.01A-1

Latest News

• Migration to QDataVisualization3D

• Migration to Qcustomplot

• Probability random generators (GSL)

• Rewrite project explorer and properties

• Change the global appearance of the graph
• Modification of scatterplot3d output
  • Add legends

There are many packages in R (RGL, car, lattice, scatterplot3d, …) for creating 3D graphics.

This tutorial describes how to generate a scatter pot in the 3D space using R software and the package scatterplot3d.

scaterplot3d is very simple to use and it can be easily extended by adding supplementary points or regression planes into an already generated graphic.

It can be easily installed, as it requires only an installed version of R.

The iris data set will be used:

iris data set gives the measurements of the variables sepal length and width, petal length and width, respectively, for 50 flowers from each of 3 species of iris. The species are Iris setosa, versicolor, and virginica.

A simplified format is:

x, y, z are the coordinates of points to be plotted. The arguments y and z can be optional depending on the structure of x.

In what cases, y and z are optional variables?

• Case 1 : x is a formula of type zvar ~ xvar + yvar. xvar, yvar and zvar are used as x, y and z variables
• Case 2 : x is a matrix containing at least 3 columns corresponding to x, y and z variables, respectively

The argument pch and color can be used:

Read more on the different point shapes available in R : Point shapes in R

3d Scatter Plot Freeware

Read more on the different point shapes available in R : Point shapes in R

The arguments below can be used:

• grid: a logical value. If TRUE, a grid is drawn on the plot.
• box: a logical value. If TRUE, a box is drawn around the plot

Remove the box around the plot

Note that, the argument grid = TRUE plots only the grid on the xy plane. In the next section, we’ll see how to add grids on the other facets of the 3D scatter plot.

Add grids on scatterplot3d

This section describes how to add xy-, xz- and yz- to scatterplot3d graphics.

We’ll use a custom function named addgrids3d(). The source code is available here : addgrids3d.r. The function is inspired from the discussion on this forum.

A simplified format of the function is:

• x, y, and z are numeric vectors specifying the x, y, z coordinates of points. x can be a matrix or a data frame containing 3 columns corresponding to the x, y and z coordinates. In this case the arguments y and z are optional
• grid specifies the facet(s) of the plot on which grids should be drawn. Possible values are the combination of “xy”, “xz” or “yz”. Example: grid = c(“xy”, “yz”). The default value is TRUE to add grids only on xy facet.
• col.grid, lty.grid: the color and the line type to be used for grids

Add grids on the different factes of scatterplot3d graphics:

The problem on the above plot is that the grids are drawn over the points.

The R code below, we’ll put the points in the foreground using the following steps:

1. An empty scatterplot3 graphic is created and the result of scatterplot3d() is assigned to s3d
2. The function addgrids3d() is used to add grids
3. Finally, the function s3d$points3d is used to add points on the 3D scatter plot

The function points3d() is described in the next sections.

The argument type = “h” is used. This is useful to see very clearly the x-y location of points.

scatterplot3d returns a list of function closures which can be used to add elements on a existing plot.

The returned functions are :

• xyz.convert(): to convert 3D coordinates to the 2D parallel projection of the existing scatterplot3d. It can be used to add arbitrary elements, such as legend, into the plot.
• points3d(): to add points or lines into the existing plot
• plane3d(): to add a plane into the existing plot
• box3d(): to add or refresh a box around the plot

Add legends

Specify the legend position using xyz.convert()

1. The result of scatterplot3d() is assigned to s3d
2. The function s3d$xyz.convert() is used to specify the coordinates for legends
3. the function legend() is used to add legends to plots

It’s also possible to specify the position of legends using the following keywords: “bottomright”, “bottom”, “bottomleft”, “left”, “topleft”, “top”, “topright”, “right” and “center”.

Specify the legend position using keywords

What means the argument inset in the R code above?

The argument inset is used to inset distance(s) from the margins as a fraction of the plot region when legend is positioned by keyword. ( see ?legend from R). You can play with inset argument using negative or positive values.

Using keywords to specify the legend position is very simple. However, sometimes, there is an overlap between some points and the legend box or between the axis and legend box.

Is there any solution to avoid this overlap?

Yes, there are several solutions using the combination of the following arguments for the function legend():

• bty = “n” : to remove the box around the legend. In this case the background color of the legend becomes transparent and the overlapping points become visible.
• bg = “transparent”: to change the background color of the legend box to transparent color (this is only possible when bty != “n”).
• inset: to modify the distance(s) between plot margins and the legend box.
• horiz: a logical value; if TRUE, set the legend horizontally rather than vertically
• xpd: a logical value; if TRUE, it enables the legend items to be drawn outside the plot.

Customize the legend position

In the R code above, you can play with the arguments inset, xpd and horiz to see the effects on the appearance of the legend box.

Add point labels

The function text() is used as follow:

Add regression plane and supplementary points

1. The result of scatterplot3d() is assigned to s3d
2. A linear model is calculated as follow : lm(zvar ~ xvar + yvar). Assumption : zvar depends on xvar and yvar
3. The function s3d$plane3d() is used to add the regression plane
4. Supplementary points are added using the function s3d$points3d()

The data sets trees will be used:

This data set provides measurements of the girth, height and volume for black cherry trees.

3D scatter plot with the regression plane:

This analysis has been performed using R software (ver. 3.1.2) and scatterplot3d (ver. 0.3-35)

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