The availability of some features of Place-n-Time depends upon the map
projection in use. The following table shows which of these features
are available with each projection.
|
Universal Transverse Mercator (UTM) |
Equidistant Cylindrical |
| Status Box |
|
|
| Latitude & Longitude |
Yes |
Yes |
| UTM Northing & Easting |
Yes |
No |
| Length of Line |
Yes |
No |
| Right-Click Tools |
|
|
| What's This: Length of Line |
Yes |
No |
| What's This: Area of Polygon |
Yes |
No |
Additionally, the data displayed is only as rich as the data file.
Each of the following features is limited by the available data.
The table below shows what features are commonly available with each map
series. (Technically, each box in the table could be labeled "When
available," since there is no guarantee that the data is available for
every SDTS transfer. But my experience has been that the data is
usually available for boxes marked "Yes," and usually unavailable for boxes
marked "No.")
|
Large Scale |
Intermediate Scale |
Small Scale |
| Status Box |
|
|
|
| State |
Yes |
Yes |
Yes |
| County |
Yes |
Yes |
Yes |
| Township |
When available |
When available |
No |
| Right-Click Tools |
|
|
|
| What's This: Theme |
Yes |
Yes |
Yes |
| What's This: Entity Code |
Yes |
Yes |
Yes |
| What's This: Entity Description |
Yes |
Yes |
Yes |
| What's This: Highway Route |
Yes |
Yes |
Yes |
| What's This: Agency for Federal Land |
No |
No |
Yes |
| What's This: Internal IDs from files |
Yes |
Yes |
Yes |
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Dapper Mapper