Picking for Web-Based 3D Experiment - Interactive Web-Based Virtual Reality with Java 3D - page 436

if (sgCurvebranch!=null)

{

sgCurvebranch.detach();

}

sgCurvebranch = new BranchGroup();

sgCurvebranch.setCapability(BranchGroup.ALLOW_DETACH);

sgCurvebranch.setPickable (false);

if (!sgbuttonaction[2]) //the waveform button is not active

{

sglast_digit = sgcurrent_digit;

if (eventId == SGINC)

{

if (sgvalue + Math.pow(10.0, sgdisplayvalue.length() - sgdigit) < 10000)

{

sgvalue += Math.pow(10.0, sgdisplayvalue.length() - sgdigit);

sgdisplayvalue = String.valueOf(sgvalue);

sgcurrent_digit = sgdisplayvalue.length();

if (sgcurrent_digit != sglast_digit) sgdigit += 1;

if (sgdigit>4) sgdigit=4;

}

}

else if (eventId == SGDEC)

{

if (sgvalue - Math.pow(10.0,sgdisplayvalue.length() - sgdigit) >= 100)

{

sgvalue -= Math.pow(10.0, sgdisplayvalue.length() - sgdigit);

sgdisplayvalue = String.valueOf(sgvalue);

sgcurrent_digit = sgdisplayvalue.length();

if (sgcurrent_digit!=sglast_digit) sgdigit -=1;

if (sgdigit<1) sgdigit=1;

}

}

}

sgdisplayvalue = String.valueOf(sgvalue);

if (sgbuttonaction[4]) //add the unit for the number

{

sgunit = „Hz“;

}

else if (sgbuttonaction[3])

{

sgunit = „mv“;

}

else if (sgbuttonaction[2])

{

if (sgsquare)

{

sgunit = „Square“;

}

else

{

sgunit = „Sine“;