This form displays a single bubble chart. In the chart area, the chart name is displayed at the top, the Y-axis name is on the left, and the X-axis and bubble size labels are on the bottom.
The Legend area, on the right side of the window, displays the item name next to a small representation of that item's bubble.
You can open and modify an item by double-clicking on a bubble in the chart area or on a bubble or name in the Legend area. This will cause the corresponding Item form to be displayed.
You can also display a bubble's variable values by hovering the mouse cursor over an individual bubble.
You can move bubbles around by placing the cursor on a bubble, holding the mouse down, and dragging the bubble to where you want to place it. The attribute data associated with the Project is modified and saved. If one of the chart axis represents the "Overall Value Score," then the Portfolio is re-scored based on the new position of the bubble and the chart is re-drawn.
Bubbles areas that correspond to negative values are displayed with the size representative of the negative value, but are white with an "X" spanning the diameter of the bubble. The "X" displays the color and pattern assigned to the item.
Bubble areas that represent to 0 are simply represented by X's. The "X" displays the color and pattern assigned to the item.
Changes to the chart display are made using the Bubble Chart Preferences form, which is opened by clicking on the [Modify] button at the bottom of the bubble chart legend area.
You can set the intital size of the bubble chart window using the Set Bubble Chart Size form and you can adjust the chart size by dragging the lower right corner.
Each time a Bubble Chart is opened, the Drawing Tools Toolbar is opened with the chart (if it isn't already displayed).
You can also print and export the chart displayed in this form using the standard "Print" and "Export" menu items under the "File" menu.
Bubble Charts can also display bubbles with areas corresponding to zero and negative values.
Right-Mouse_Click on Bubbles:
Placing the cursor over a bubble and right-clicking displays the name and coordinates for the selected bubble.
Dragging and Dropping Bubbles:
You can move bubbles around by placing the cursor on a bubble, holding the mouse down, and dragging the bubble to where you want to place it. The attribute data associated with the Project is modified and saved based on where the bubble was dropped (mouse released). If one of the chart axis represents the "Overall Value Score," then the Portfolio is re-scored based on the new position of the bubble and the chart is re-drawn.
As you drag a bubble, the current coordinates of the X and Y axes are displayed unless one of the axis is the "Overall Value Score." The overall value score is only calculated after the bubble has been dropped.
A moved bubble can be restored to its original position by selecting the "Undo" menu item from the "Edit" or selecting the control-z (Windows) or command-z (Mac) immediately after moving the bubble. This move cannot be reversed and the command becomes unavailable after any other form action is performed.
The Bubble Chart Display Form Buttons:
[Zoom-In/Zoom-Out] (-/+)Toggle Button: Click these buttons to zoom-in and zoom-out of the displayed area. When you zoom in, scroll bars appear to allow you to move around the chart area. NOTE: You cannot drag and drop bubbles or other objects when an area is magnified using the [Zoom-In] buttons.
[Draw Zoom Box] button: Click this buttons to enable drawing a "zoom box." A zoom box lets you zoom-in on an area of a bubble chart by displaying the only bubbles defined by the area of the zoom box. After clicking [Draw Zoom Box], you define the area that you want to isolate by dragging the mouse:
When you release the mouse, the bubble chart is redrawn to only display the area defined by the zoom box:
[Remove Zoom Box] button: Click this buttons to restore the chart to its original display parameters.
[Modify]: Click this button to display the Chart Preferences form.
[Close]: Click on this button to close the Bubble Chart form.