void Grapher::Retranslate (Picture* p, float sx, float sy, float l, float b) {
float ml, mb;
Iterator i;
for (p->First(i); !p->Done(i); p->Next(i)) {
Graphic* kid = p->GetGraphic(i);
kid->GetCenter(ml, mb);
kid->Translate((ml-l)*sx, (mb-b)*sy);
}
}
void Grapher::Append (float x, float y) {
float cx, cy;
float effx, effy;
effx = _origx + (x - _lorigx) * _hinc;
effy = _origy + (y - _lorigy) * _vinc;
Graphic* dot = _dot->Copy();
_dot_picture->Append(dot);
dot->GetCenter(cx, cy);
dot->Translate(effx-cx, effy-cy);
}
