Examples of pythagoras.util.NoninvertibleTransformException

pythagoras.util.NoninvertibleTransformException
An exception thrown by {@code Transform} when a request for an inverse transform cannot besatisfied.


            // compute average of the matrix with its inverse transpose
            float det = o00*o11 - o10*o01;
            if (Math.abs(det) == 0f) {
                // determinant is zero; matrix is not invertible
                throw new NoninvertibleTransformException(this.toString());
            }
            float hrdet = 0.5f / det;
            n00 = +o11 * hrdet + o00*0.5f;
            n10 = -o01 * hrdet + o10*0.5f;

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    public Transform invert () {
        // compute the determinant, storing the subdeterminants for later use
        float det = m00*m11 - m10*m01;
        if (Math.abs(det) == 0f) {
            // determinant is zero; matrix is not invertible
            throw new NoninvertibleTransformException(this.toString());
        }
        float rdet = 1f / det;
        return new AffineTransform(
            +m11 * rdet,              -m10 * rdet,
            -m01 * rdet,              +m00 * rdet,

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    public Point inverseTransform (IPoint p, Point into) {
        float x = p.x() - tx, y = p.y() - ty;
        float det = m00 * m11 - m01 * m10;
        if (Math.abs(det) == 0f) {
            // determinant is zero; matrix is not invertible
            throw new NoninvertibleTransformException(this.toString());
        }
        float rdet = 1 / det;
        return into.set((x * m11 - y * m10) * rdet,
                        (y * m00 - x * m01) * rdet);
    }

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    public Vector inverseTransform (IVector v, Vector into) {
        float x = v.x(), y = v.y();
        float det = m00 * m11 - m01 * m10;
        if (Math.abs(det) == 0f) {
            // determinant is zero; matrix is not invertible
            throw new NoninvertibleTransformException(this.toString());
        }
        float rdet = 1 / det;
        return into.set((x * m11 - y * m10) * rdet,
                        (y * m00 - x * m01) * rdet);
    }

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            // compute average of the matrix with its inverse transpose
            double det = o00*o11 - o10*o01;
            if (Math.abs(det) == 0f) {
                // determinant is zero; matrix is not invertible
                throw new NoninvertibleTransformException(this.toString());
            }
            double hrdet = 0.5f / det;
            n00 = +o11 * hrdet + o00*0.5f;
            n10 = -o01 * hrdet + o10*0.5f;

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    public Transform invert () {
        // compute the determinant, storing the subdeterminants for later use
        double det = m00*m11 - m10*m01;
        if (Math.abs(det) == 0f) {
            // determinant is zero; matrix is not invertible
            throw new NoninvertibleTransformException(this.toString());
        }
        double rdet = 1f / det;
        return new AffineTransform(
            +m11 * rdet,              -m10 * rdet,
            -m01 * rdet,              +m00 * rdet,

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    public Point inverseTransform (IPoint p, Point into) {
        double x = p.x() - tx, y = p.y() - ty;
        double det = m00 * m11 - m01 * m10;
        if (Math.abs(det) == 0f) {
            // determinant is zero; matrix is not invertible
            throw new NoninvertibleTransformException(this.toString());
        }
        double rdet = 1 / det;
        return into.set((x * m11 - y * m10) * rdet,
                        (y * m00 - x * m01) * rdet);
    }

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    public Vector inverseTransform (IVector v, Vector into) {
        double x = v.x(), y = v.y();
        double det = m00 * m11 - m01 * m10;
        if (Math.abs(det) == 0f) {
            // determinant is zero; matrix is not invertible
            throw new NoninvertibleTransformException(this.toString());
        }
        double rdet = 1 / det;
        return into.set((x * m11 - y * m10) * rdet,
                        (y * m00 - x * m01) * rdet);
    }

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Related Classes of pythagoras.util.NoninvertibleTransformException

pythagoras.d.AffineTransform

pythagoras.f.AffineTransform

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