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comparison Core/Images/ImageProcessing.cpp @ 3565:2999a6e9456b

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ImageProcessing::ImagePoint::GetDistanceToLine
author Alain Mazy <alain@mazy.be>
date Thu, 07 Nov 2019 17:02:19 +0100
parents 0f5f9a5eed25
children 113a9643e8bb
comparison
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3562:f47149cdc048 3565:2999a6e9456b
54 double dx = (double)(other.GetX() - GetX()); 54 double dx = (double)(other.GetX() - GetX());
55 double dy = (double)(other.GetY() - GetY()); 55 double dy = (double)(other.GetY() - GetY());
56 return sqrt(dx * dx + dy * dy); 56 return sqrt(dx * dx + dy * dy);
57 } 57 }
58 58
59 double ImageProcessing::ImagePoint::GetDistanceToLine(double a, double b, double c) const // where ax + by + c = 0 is the equation of the line
60 {
61 return std::abs(a * static_cast<double>(GetX()) + b * static_cast<double>(GetY()) + c) / pow(a * a + b * b, 0.5);
62 }
63
59 template <typename TargetType, typename SourceType> 64 template <typename TargetType, typename SourceType>
60 static void ConvertInternal(ImageAccessor& target, 65 static void ConvertInternal(ImageAccessor& target,
61 const ImageAccessor& source) 66 const ImageAccessor& source)
62 { 67 {
63 // WARNING - "::min()" should be replaced by "::lowest()" if 68 // WARNING - "::min()" should be replaced by "::lowest()" if