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The Calculation tab
The closure error is the distance between the point
of beginning and the point defined by the last call in the deed description.
A deed description should close on itself, that is, the point defined
by the last call should be equal to the point of beginning. When these
two points are not equal then the deed description has a closure error.
Areas are calculated based on the current deed calls
in the description list box. Areas are displayed in Acres and Square Feet.
The area calculation assumes that the deed description defines a closed
figure or polygon. When the deed has a closure error then the area calculation
changes the last call in the description so that the error is equal to
zero. If the current description has a relatively large closure error
then the user should view the deed boundary by clicking the view button
to ensure that the calculated area is reasonable.
- Closure
Error - The closure error is the distance between the point of beginning
and the point defined by the last call in the deed description.
- Precision
- Precision is a ratio of the closure error to the sum of all of the deed
call distances. It is displayed as 1 foot of error per number of feet,
i.e. 1:5000(1 foot of error in 5000 feet property line). Typical minimum
survey standards call for a survey precision of 1:5000.
- North
Error - Error in the north direction.
- East
Error - Error in the east direction.
- Error
Bearing - Direction and angle of the deed error with respect to the
North and East Errors.
- Chord
Area - The chord area is calculated based on the current deed calls
in the description list box. The Chord Area does not take into account
any curves that may exist in the description. Areas are displayed in Acres,
Square Feet and Hectares. The area calculation assumes that the deed description
defines a closed figure or polygon. When the deed has a closure error
then the area calculation changes the last call in the description so
that the error is equal to zero. If the current description has a relatively
large closure error then the user should view the deed boundary by clicking
the view button to ensure that the calculated area is reasonable.
- Perimeter
- Perimeter is the sum of all the deed call distances listed in the description
list box.
- Total
Area - The Total Area is calculated based on the current deed calls
in the description list box taking into consideration any curves that
may be specified. Areas are displayed in Acres, Square Feet and Hectares.
The area calculation assumes that the deed description defines a closed
figure or polygon. When the deed has a closure error then the area calculation
changes the last call in the description so that the error is equal to
zero. If the current description has a relatively large closure error
then the user should view the deed boundary by clicking the view button
to ensure that the calculated area is reasonable.
You may now select the File tab, find the new
DeedRunner file, and load it. You can then view it, export it or print
it out.
NOTE: The program
automatically closes back on the first point in the list. If your point
list is entered as 1,2,3 then the figure will actually be 1,2,3,1.
Curves - The figure
tool ignores curves. If you have calls with curves you will need to manually
enter the curve data after you load the new figure into the DeedRunner
program from the File tab.
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