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You
can change the measurement units for all geospatial PDFs in the
Preferences dialog box. Click Measuring (Geo) from the Categories
section.
- Enable Measurement Markup
- Adds a label to a geospatial measurement. When Enable Measurement
Markup is selected, choose Use Label, and then type a label for
measurements.
- Snap Settings
- Select the path parts to which you want measurements to
snap to.
- Display Value As
- Determines how latitude and longitude values are calculated. Choose
Decimal to display latitude and longitude as a decimal fraction.
Choose Degrees, Minutes, Seconds to divide each degree of longitude
into 60 minutes, each of which is divided into 60 seconds.
- Display Direction As
- Choose between Signed and Named. Named direction displays
an N (north) or S (south) next to the Latitude, and an E (east)
and W (west) for Longitude.
- Always Display Latitude And Longitude As WGS 1984
- Select to ensure that latitude and longitude use the current
standard reference frame for earth (World Geodetic System 1984).
For older maps that were drawn with an earlier grid (such as NAD
1927), you can deselect this option to see the original values.
When an older map is registered in its native coordinates, coordinate
positions can be different from current standards used in GPS devices
and web mapping services.
- Use Default Distance Unit
- Select the measurement unit to use.
- Use Default Area Unit
- Area can be measured using a different unit from distance.
- Don’t Show Transparency Layer In GeoTIFF And JPEG 2000
Images
- Raster image formats include a transparency layer that you
can choose to remove.
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