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3D Grapher
3D Grapher is a feature-rich yet easy-to-use data visualization
and graph plotting software suitable for students, engineers and
everybody who needs to work with 2D and 3D graphs.
3D Grapher is small, fast, flexible, and reliable. The program is very easy to learn - you don't need to read long manuals to figure out how it works, but can just play with 3D Grapher for several minutes and start working.
With 3D Grapher you can easily plot high-quality equation and table-based graphs, zoom them, rotate, view at any angle and even animate.
In the graphs gallery you can view several interesting graphs created with the help of 3D Grapher
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3D Grapher Features highlights include:
- Unlimited number of 2D and 3D graphs can be plotted in one coordinate system using different colors and lighting conditions.
- Functions can be parametric, and can include a time variable - this feature allows creation of animated graphs and models.
- Support for three systems of coordinates: Cartesian, cylindrical and spherical.
- Graphs can be plotted using points, lines, and surfaces. In the last case you can also use a light source to create realistic surfaces.
- Many coordinate system appearance options (parameters of axes, grid, background, etc.).
- Ability to import and export data in several popular file formats (comma, tab, or space separated values).
- Ability to copy the plotted graphs and paste them into your own documents as a picture.
- Built-in expression calculator.
- Fully customizable user-friendly interface with support for MS Office 2000 ? and MS Office XP ? styles.
- Support for majority of the modern OpenGL video accelerators.
How to use it
1.Download an executable
2.If all goes well, an Open Inventor window similar to the one at
right should pop up when 3dgrapher executed. If you are familiar
with Open Inventor you will notice that the viewer contains some
extra buttons along the left and right sides.
The Camera button (the last button on the righthand side) is used to take a snapshot of the scene. This is an addition to the SoXtExaminerViewer and is not unique to this project. The viewer itself can be downloaded at ExaminerViewerPlus. When clicked a dialog box pops up prompting the user to enter a save file and image type. The image types supported are jpeg, png, ppm, rgb, and Postscript.
 The Pencil button (first button on lefthand side) is used to modify the parameters of the function being graphed. When clicked a new window pops up (similar to the one at right). The window contains an interface to interactively modify the mesh resolution, function domain, the function itself, and the value to set the function to. Also, thanks to Gokhan Kisacikoglu, a blending function can be input and blended with the first. The window was implemented by subclassing the SoXtComponent class and adding Motif widgets.
 The RGB button (second button on lefthand side) is used to modify the material properties of the surface. When clicked a window pops up (similar to the one at right). This component is not unique to this project, it is from the SoXtMaterialEditor class provided by Open Inventor.
Start inputing your own functions and tell me what you think.
How it was Built
3D Grapher is a perfect example of how easily applications can be built by subclassing the Open Inventor libraries. This application was built using several extensions of the libraries, including two Engine nodes, one Shape node, a single valued Field, an XtComponent, and a Viewer. The Classes SFScalarField
- a subclass of SoField used to maintain a 3-dimensional array of scalar values, including the minimum and maximum bounds, and the resolution.
ScalarArithmitic
- a sublcass of SoEngine used to create an SFScalarField based on a function The values of the scalar field are created by solving the function at each grid point based on an input domain and resolution.
SFScalarFieldBlend
- a sublcass of SoEngine used to blend two SFScalarField fields together based on a percentage value between 0 and 1.
MarchingCubes
- a subclass of SoEngine used to create a list of triangles forming a surface. The surface is determined by a data and isoValue input. It outputs a series of points along with the indexes used to for the triangles.
BoundingBox
- a subclass of SoShape used to draw a nonshaded box around the surface, along with coordinate labels at the vertices.
ParameterEditor
- a subclass of SoXtComponent used to provide an interface to the input parameters of ScalarArithmitic and MarchingCubes.
ExaminerViewerPlus
- a subclass of SoXtExaminerViewer used to add a snapshot button to the righthand side button list. The extension allows for scenes to be rendered to file very easily.
The ParameterEditor class doesn't really have any application outside of this one, but it is a simple example of how to extend the SoXtComponent class. 3D Grapher was not tested robustly and I am sure has some bugs. Also, I do not plan on keeping up with this project. This was a small project I put together and I had to keep myself from expanding on it too much due to time constraints.
The Source Code
The source code of the entire project is available for educational purposes. Special thanks goes to Gokhan Kisacikoglu for his additions to the interface, the SFScalarFieldBlend engine, and to the MarchingCubes engine. If you happen to use any of this code for any reason, please send me an email at grant@cs.fsu.edu and tell me what for. This is for nothing more than my own curiosity.
- SFScalarField.h
- SFScalarField.cpp
- ScalarArithmitic.h
- ScalarArithmitic.cpp
- SFScalarFieldBlend.cpp
- SFScalarFieldBlend.h
- MarchingCubes.h
- MarchingCubes.cpp
- BoundingBox.h
- BoundingBox.cpp
- ParameterEditor.h
- ParameterEditor.cpp
- ExaminerViewerPlus.h
- ExaminerViewerPlus.cpp
- 3dgrapher.cpp
- Entire project including a configure script:
- 3dgrapher-1.3.tar.gz
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