Edges Vision Data Access functions
Functions that get values from an Edges structure.
|
Function |
Description |
|
GetAngle(Edges, [Index]) |
Returns the angle of the indexed edge. |
|
GetContrast(Edges) |
Returns the average contrast between the foreground and background found in grey levels, between 0 to 255. Contrast is positive for black-to-white transitions, and negative for white-to-black transitions. The Edge structure must be created by a FindCircleMinMax function. |
|
GetEdgeDistance(Edges, [Index]) |
Returns the distance between two edges (edge pair). The Edge structure must be created by a Caliper function. |
|
GetMax(Edges) |
Returns the radius of the maximum deviation from the best edge. The Edge structure must be created by a FindCircleMinMax function. |
|
GetMin(Edges) |
Returns the radius of the minimum deviation from the best edge. The Edge structure must be created by a FindCircleMinMax function. |
|
GetNFound(Edges) |
Returns the number of edges found. |
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GetPosition(Edges, [Index]) |
Returns the region X position in pixels of the edge or the edge pair center. |
|
GetRadius(Edges, [Index]) |
Returns the radius of a specified circle or arc. |
|
GetScore(Edges, [Index1], [Index2]) |
Returns the Score value between 0-100 from the indexed edge. Score is positive for black-to-white transitions and negative for white-to-black transitions, except for FindSegment and FindCircleMinMax, where Score is always positive. |
|
GetSDev(Edges) |
Returns the standard deviation value. The Edge structure must be created by a FindCircleMinMax function. Note: This calculation is a biased standard deviation, where the denominator is N-1. An unbiased standard deviation has a denominator of N.
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GetX(Edges, [Index1], [Index2]) |
Returns a X-coordinate. Index1 selects the edge number, and Index2 specifies an end point. 0 is the top-most point, 1 is the bottom-most point. |
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GetY(Edges, [Index1], [Index2]) |
Returns a Y-coordinate. Index1 selects the edge number, and Index2 specifies an end point. 0 is the left-most point, 1 is the right-most point. |