The Intersections command allows for the calculation, selected solution and storing of point data based upon standard surveying methods of:
- Bearing-Bearing - Yields one unique solution.
- Bearing-Distance - Generally yields two solutions or no solution.
- Distance-Distance - Generally yields two solutions or no solution.
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- Clear: (icon) Use this button to clear data from the routine.
- First Point/Second Point: For each of the point groupings are the following controls:
- Point ID: Indicate the point that serves as the basis of the direction/distance information to follow.
Note: Points can also be specified through the standard Point List and/or Map Screen pick.
- Azimuth: Indicate a known direction from the Point ID.
Note: The current Angle setting determines how values are interpreted.
Note: The current Angle Entry & Display setting dictates whether angles are prompted as Azimuth or Bearings.
Note: Bearings can be entered in three forms:
- SE40.5945 becomes S40°59'45"E
- S40.5945E becomes S40°59'45"E
- 240.5945 becomes S40°59'45"E
The direction can also be specified through the Use Points button.
More Information
Use Points dialog - From Point: Indicate the point that determines the starting point of the direction.
- To Point: Indicate the point that determines the ending point of the direction.
Note: Points can also be specified through the standard Point List and/or Map Screen pick.
- Distance: Indicate a known distance from the Point ID.
- Off: Use these edit controls to create intersections that are:
- defined by parallel offsets to the defined or computed direction (positive values for right, negative values for left), and/or,
- an additional amount that is added to a cited distance.
- Point ID: Indicate the point that serves as the basis of the direction/distance information to follow.
Note: The Enter key moves forward through the edit boxes.
Upon pressing ✅, a Map Screen displays the solution(s) with the option to review and/or store the desired point(s).
Main Measurement
The calculated point(s) will appear on the screen with the input data detailed at the bottom of the screen.
Note: If a solution cannot be determined based on the supplied information, a No Valid Solution! alert is displayed.
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Within Intersect are these measurement/configuration tools:
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Store: Stores the picked solution as a point at which point it inherits the specified point number, description, and the elevation displayed at the bottom of the screen.
Note: This action creates SP records (identical to the results of Keyboard Input) in the Raw File, storing the calculated coordinates for each new point. |
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Modify: Permits the customization of the desired Intersection values. |
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Results: Displays a text-based summary of the solution(s).
More Information![]()
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Note: Also within Intersect are other common controls; most notably the various Map Screen View Controls.
Intersection Examples
Consider the figure below containing a 3-4-5 right triangle where the coordinates of P2 and P3 are known and we want to establish the location of P1:
Bearing-Bearing
This method locates a point at the intersection of two vector directions.
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Bearing-Distance
This method locates a point at the intersection of a vector direction from one point and a horizontal distance from the other point.
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Distance-Distance
This method locates a point at the intersection of horizontal distances from the two points.
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