§ 3: Graphing Analysis Tools for Your WWW Readers

• Accessing The Details Box for 2D Graphics
• Knife, Zoom-In/Out, and More/Less Points Tools
• 3D Graphics Tools
• Throwing a Surface: 3D Auto Spin

Accessing The Details Box for 2D Graphic As the author, you may choose to give your readers access to the details box, where they may change a wide range of settings for a graphics box, including: Line style of plot Color of plot Window settings Cropping Information Input variable range Axes information (not shown directly: to access, double-click on symbol (the author would need to have made the window larger in this case)) Go ahead and experiment with the settings which will demonstrate the interactive features MathView provides. In the previous Gallery examples, you may have noticed that we did not give access to the graphics details box. It is the author's choice.

Knife, Zoom-In/Out, and More/Less Points Tools The graphics toolkit consist of 4 basic tools: You may turn off a reader's access to these tools as the author. In the authorable version of MathView, choose the menu commands Notebook -> Notebook Prefs -> Show Icons -> Never. Also, if you drag the mouse on top of the graph, you will slide the graph as if you were sliding a piece of paper in front of the lens (that you are looking through). Go ahead and experiment with these tools

3D Graphics Tools The 3D graphics toolkit consist of the same 4 basic tools: Now, when you drag the mouse over a 3D graph, you turn the 3D surface (or scene). By holding down the option as you drag/turn, you may tilt the z-axis. The knife tool now slices into the surface, so you may choose a part of the surface to zoom-in on directly, as shown below: The View From box tells you from what vantage point you are viewing the 3D scene. If you click on this box, it will reset the 3D scene to its original settings.

3D Auto Spin If the author chooses, the user may take a surface and "give it a throw". The action is to pick up the surface, and throw it in a direction. The result will be that the surface starts to spin around the axis determine by the mouse motion. This is a bit trick to do at first. Try the following procedure: Click and hold on the surface Drag the mouse (with button down) to the left Keeping the mouse in motion, release the button The surface should take off in a spin. To stop it, just click on the MathView notebook, off of the surface. Try giving the surface to the left a throw.

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