Control Panel

Page Operations Tab

[Page Operations Tab Image]

Tkgraph Control Panel -- Page Operations Tab
Page Arrangement
Columns entry
Enter the desired number of graph columns here.
Rows entry
Enter the desired number of graph rows here.
Graphs entry
Enter the desired number of graphs here.
Pad Percentage
Each graph occupies it's own "cell" on the page. The size of the cell is determined by the number of columns and number of rows above. A percentage of the cells space will be used for the actual graph, and the rest for padding around the graph for labels, annotations, etc. The value given here is used as the percentage of space to use for the padding.
Graph type optionmenu
Select the graph type (XY Graph or Polar Graph) here
Graph buffer
This area lets the user set blank buffers on all sides of the graphing page. All values are measured in screen pixels. If the page is arranged, using the options above, then no graphs will be drawn in these buffers. Changes to the buffers will not be noticed until the next arrange operation.

Top Buffer
Change this to set the size (in pixels) of the blank buffer above the graphing page.
Bottom Buffer
Change this to set the size (in pixels) of the blank buffer below the graphing page.
Left Buffer
Change this to set the size (in pixels) of the blank buffer at the right of the graphing page.
Right Buffer
Change this to set the size (in pixels) of the blank buffer at the left of the graphing page.

Add Item button
Pressing this button will prepare the page for adding a new item. The type of item to be added is selected using the Add Item Type optionmenu.
Add Item Type optionmenu
Press the left mouse button to display a menu of all item types which can be added to the page. Currently the list includes:


XY Graph
Left click and hold at a position on the page. This position will be one corner of the graph. Drag the mouse to position the opposite corner. Release the mouse button to place the graph on the page.
Pgraph
Polar Graph. Left click and hold on the page. This position will be the center of the polar graph. Drag the mouse to set the radius. Release the mouse button to place the graph on the page.
Image
Image. Left click at the position on the page that will correspond to the upper left corner of the image.
Label
Left click at a position on the page. This position will be the left side of the label.
Line
Left click and hold to place one endpoint of the line segment. Drag the mouse to set the position of the other endpoint. Release the mouse button to place the line.
Circle
See the directions for adding a Polar above.
Oval
An oval is described by using a rectangular bounding box. Use the instructions for creating an XY graph to create the bounding box.
Rectangle
See the directions for adding a XY graph above.
Delete Item button
Pressing this button will prepare the page for deleting an item of the selected type. The user simple left-clicks on the desired item to delete it. If the user has selected labels for deletion, then labels will show up as red when the mouse passes over them. All other item types are displayed with no highlighted features (this is being changed soon)
Delete Item optionmenu
This optionmenu lets the user select which item type will be deleted.
Resize Item button
This button lets the user resize a page item.
Resize Item optionmenu
This optionmenu lets the user select which item type will be resized. Currently only xy graphs and polar graphs may be resized.
Clear Current Mode button
If the user decides, after pressing an add/delete/resize button, that they do not wish to perform the selected action, they can press this button to exit that mode without making any changes on the page.

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