LDCad 1.6 suggestions/plans


Re: LDCad 1.6 ROTSTEP feedback
I've been working on adding ROTSTEP support to the 1.6 version.

But I have never used the meta myself so I would appreciate some feedback / info about it.

This is what I got so far: screenshot

I find the angle properties very limiting, (especially the z control as shown in the picture).

Maybe I'm using it wrong, so what values are used often / in normal situations?

Also does anyone know the best/easiest way to extract the angles from an existing rotation matrix?

This is what i use for setting up the matrix (as described in the MLCAD spec doc).

Code:
void TLDStepMetaLine::getRotStepRotationMatrix(const double xAngle, const double yAngle, const double zAngle, TGLMatrixd &matrix) {

  //Uit rotstep spec doc
  const double wx=deg2Rad(xAngle);
  const double wy=deg2Rad(yAngle);
  const double wz=deg2Rad(zAngle);

  const double s1=sin(wx);
  const double s2=sin(wy);
  const double s3=sin(wz);

  const double c1=cos(wx);
  const double c2=cos(wy);
  const double c3=cos(wz);

  matrix.initFromLDraw(
    0.0, 0.0, 0.0, //xyz
    c2*c3, //a
    -c2*s3, //b
    s2, //c
    c1*s3+s1*s2*c3, //d
    c1*c3-s1*s2*s3, //e
    -s1*c2, //f
    s1*s3-c1*s2*c3, //g
    s1*c3+c1*s2*s3, //h
    c1*c2); //i
};

Any feedback / help is welcome.


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Messages In This Thread
Re: LDCad 1.6 ROTSTEP feedback - by Roland Melkert - 2016-02-25, 20:25
Re: LDCad 1.6 ROTSTEP feedback - by TestOne - 2016-02-25, 22:56
RE: LDCad 1.6 suggestions/plans - by Kai - 2016-05-23, 18:48
RE: LDCad 1.6 suggestions/plans - by Art - 2016-08-11, 12:56
RE: LDCad 1.6 suggestions/plans - by Art - 2016-08-12, 7:29
RE: LDCad 1.6 suggestions/plans - by Karen M - 2017-10-24, 10:28

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