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The following information is filled in after the user clicks the start point of the curve: |
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ITEM |
DESCRIPTION |
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Route 1 |
The value of the Route Item at the begin point of the curve. |
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Milepost 1 |
The milepoint at the begin point of the curve (only for routes with measures). |
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HPMS ID 1 |
The value of the HPMS ID Item at the begin point of the curve. |
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HPMS Begin Post 1 |
The begin milepoint value for the HPMS feature at the begin point of the curve, from the HPMS attribute table. |
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HPMS End Post 1 |
The end milepoint value for the HPMS feature at the begin point of the curve, from the HPMS attribute table. |
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The following information is filled in after the user clicks the end point of the curve: |
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ITEM |
DESCRIPTION |
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Route 2 |
The value of the Route Item at the end point of the curve. |
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Milepost 2 |
The milepoint at the end point of the curve (only for routes with measures). |
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HPMS ID 2 |
The value of the HPMS ID Item at the end point of the curve. |
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HPMS Begin Post 2 |
The begin milepoint value for the HPMS feature at the end point of the curve, from the HPMS attribute table. |
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HPMS End Post 2 |
The end milepoint value for the HPMS feature at the end point of the curve, from the HPMS attribute table. |
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The following are conducted by the user: |
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ITEM |
DESCRIPTION |
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Curve Direction |
Select the digitized direction of the curve. This is for graphics purposes and has no bearing on the results. |
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Get Curve Info |
Press this button to derive the radius, length, and class of the curve. This button is disabled until the start and end points of the curve have been established. After this button is pressed, the RADIUS, CURVE LENGTH and CURVE CLASS will appear on the form. |
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Save Info |
Press this button to save the derived curve information to the specified Excel spreadsheet. When pressed, the spreadsheet is opened, data is written to it, and it is saved, all in memory without actually launching Excel. |
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Press this button to clear the form and remove any graphics generated by the extension from the map. |
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The following information is filled in after the user clicks Get Curve Info: |
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ITEM |
DESCRIPTION |
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Radius (map units) |
The radius of the user-defined curve. |
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Curve Length |
The length of the HPMS portion of the curve in miles. |
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Curve Class |
The classification (A - F) of the curve based on the radius. |