Interactive population density thematic map gives users an overview about population density in different parts of the world or within a country. With the help of population thematic map, users can understand more about the population distribution.
Here is a sample interactive population map of US, the region with the largest population (i.e., California) is displayed in red and Wyoming with the lowest population shows grey color, while those in between are shown with colors that lie in between the two extreme colors. Place a mouseover on the WA, CA, CO, PA or NY for more details.
a) Download the software
Download and install
iMapBuilder from its official website.
b) Using the Wizard
- Invoke the Wizard by selecting Show Wizard from
the File menu.
Note:
The Wizard automatically opens each time you open the iMapBuilder
- Interactive Flash Map Software. Using the Wizard you can also
open projects saved and created earlier.
- Click Create in the Create New Map Project
panel.
- Select your map on the left under Available Maps
and a preview can be seen in the Preview window
on the left. You can also filter the map by category, select the
"United States " category on the right
so that the layout of United States maps will be
displayed. In the Preview window click any of the Layout
buttons
to align the map. You can also browse through the list of maps using
the Next and Previous buttons 
.
Note:
you can also align the in the
Preview Panel of
the main window using
similar Layout buttons.
c) Enable heat map feature
- Click [Heat Map Settings] tab and check [Enable Heat Map Function].
Choose the colors for start of gradient, end of gradient and highlight.
- Click
button and then a pop up window will be displayed.
- Add population in Heat Value column, and don't modify the ID
and Region Name columns.
You can import your data from an excel unicode text file (.txt)
by pressing [Import from Excel] or click [Paste all from clipboard]
button to paste the data from clipboard. You can also export the
data to Excel by pressing [Export to Excel] for calculations in
Excel Spreadsheet.
Click 
to verify
if the numbers are valid integer values.
- Click
to save the settings, then the heat map will show up. You can see
different levels of color gradient in different regions. As we use
red to represent maximum value and grey to represent 0 value, the
region with the largest value (i.e., California) is displayed in
red and Wyoming with the lowest value shows grey color, while those
in between are shown with colors that lie in between the two extreme
colors.
-
d) Add mouse over tooltips/infobox to show
election results for each state
- Click
to add points or 
to draw clickable regions on top of the map. For details, please
visit our userguide of adding
points or defining
clickable regions.
- Enter popluation for each state under Mouse Over/Click Event tab.
Click
to continue.
13. Publish and upload the map.