LDCad 1.6 suggestions/plans

[Roland Melkert]

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.