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Last Updated: Mar 12, 2014 URL: http://libguides.davenport.edu/tutorials Print Guide RSS UpdatesEmail Alerts

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Getting Started with MathGV

Skills for this tutorial:

Congrats! You have successfully downloaded MathGV and you are now ready to learn how to use it. Don't worry; this step by step tutorial will help you learn the necessary processes. But for now, let's get started on how to set things up and some basics on the design process. This module contains many mini-modules to aid in your navigation through MathGV and how to begin designing, resizing and saving graphs.

Let’s get started:

MathGV works much like a painting, drawing or graphics design program. All graphs are drawn on resizable bitmap pictures and displayed in scrollable windows. These bitmaps can be copied to the clipboard and pasted into another program, or saved to disk as a picture file (*.BMP or *.JPG). Graphs can also be saved in MathGV (*.MGF) format for later use. The .MGF format is not recommended for use in class since it can only be viewed using the MathGV program. For posting to your class, a .JPG or GIF format is preferred to shorten the download time.

Setting up MathGV:

For ease of use and greatest range of options and flexibility when graphing, it is recommended that both types of toolbars are visible. To show both tool bars, go to the Tools drop down menu and select Show/Hide Graph Tool Bar and Show/Hide Label Tool Bar. This will show both tools bars and all the options available when creating your graphs.

Use the Tools Menu to show the tool bars.

The result is a vast arrangement of graphing options.

A vast array of graphing options are available.

While you will notice there are many buttons to choose from and many features available to you within MathGV, as you get started there are only a few buttons that will be important to you.

 

. New 2 dimensional Cartesian graph.
. Draw Line - Draws a straight line.
. Draw Ellipse - Draws an ellipse.
. Draw Free Hand - Draws a free hand line.
. Flood Fill - Fills an area of the graph with the brush color, and brush style.
. Text Label - Puts an edit line and cursor on top of the graph allowing a text label to be typed.
. Dash line pen - Draws Dashed lines

A Typical Graph Design Process:

The steps to designing a graph can be done in an infinite number of different orders. The following steps could be used to design a typical graph.

  1. Create A New Graph – For our purposes, the 2 dimensional Cartesian graph . is the only one we use.
  2. Resize Graph Bitmap – If desired, Use the "Graph / Bitmap Size Colors…" menu item to adjust the size of the graph's bitmap drawing surface.
  3. Add Functions - Use the "Function / New" menu items to add functions to the graph.
  4. Zoom, Rotate, Scroll, or Page Up, Down, Left, Right - Use the graph tool bar or hot keys (F2 - F12) to easily manipulate the graph's view close to the desired view.
  5. Fine Tune the Graph's View - Use the "View / Change View…" menu item to get a more precise graph view (Zoom, Rotate, and Page settings).
  6. Change Graph Setting - Use the "Graph / Graph Settings…" menu item to make changes to the visual background attributes of the graph.
  7. Add Labels - Use the "Label / Show Hide Label Tool Bar" menu item to display the label tool bar which allows labels to be added to a graph.
  8. Print, Save, or Copy to Clipboard - The final step is to do something with the finished graph. Graphs can be printed, saved to disk, or copied to the clipboard for use in another program.

 

Toolbar buttons-what do they mean?

Graph tool bar

 

. New 2 dimensional Cartesian graph.
. Center Function View <Shift+F2>: Undo/Rest current graph’s scroll, page and rotate settings.
. Center Bitmap in Window <F2>: Center the current graph’s scroll bars.
. Zoom In <F3>: Increase current graph's zoom value - like when you want to increase the magnification.
. Zoom Out <F4>: Decrease current graph's zoom value - like when you want to decrease the magnification.
. Zoom X Axis In <F9>: Increase current graph's X zoom value.
. Zoom X Axis Out <F10>: Decrease current graph's X zoom value.
. Zoom Y Axis In <F11>: Increase current graph's Y zoom value.
. Zoom Y Axis Out <F12>: Decrease current graph's Y zoom value.
. Scroll View Up <F5>: Moves the current graph's view center up buy a small (configurable) amount.
. Scroll View Down <F6>: Moves the current graph's view center down buy a small (configurable) amount.
. Scroll View Left <F7>: Moves the current graph's view center left buy a small (configurable) amount.
. Scroll View Right <F8>: Moves the current graph's view center right buy a small (configurable) amount.
. Page View Up <Shift+F5>: Moves the current graph's view center up buy half its height.
. Page View Down <Shift+F6>: Moves the current graph's view center down buy half its height.
. Page View Left <Shift+F7>: Moves the current graph's view center left buy half its width.
. Page View Right <Shift+F8>: Moves the current graph's view center right buy half its width.

Label tool bar

 

. Label Tools Off- Turns off the labeling buttons that are selected
. Draw Line - Draws a straight line.
.  Draw Rectangle - Draws a rectangle.
.   Draw Ellipse - Draws an ellipse.
.   Draw Round Rectangle - Draws a rectangle with rounded corners.
. Draw Free Hand - Draws a free hand line.
.   Flood Fill - Fills an area of the graph with the brush color, and brush style.
*   Text Label - Puts an edit line and cursor on top of the graph allowing a text label to be typed.
..   Dash line pen-Draws Dashed lines
 
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