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+ set appropriate step size in clipping dialog

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This commit is contained in:
wmayer 2015-05-09 14:54:28 +02:00
parent 45604b3874
commit 1f1acad4f8
1 changed files with 40 additions and 0 deletions
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40
src/Gui/Clipping.cpp
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@ -27,6 +27,7 @@
# include <Inventor/nodes/SoClipPlane.h>
# include <Inventor/nodes/SoGroup.h>
# include <QPointer>
# include <cmath>
#endif
# include <Inventor/sensors/SoTimerSensor.h>
@ -138,6 +139,45 @@ Clipping::Clipping(Gui::View3DInventor* view, QWidget* parent)
d->ui.clipX->setValue(cnt[0]);
d->ui.clipY->setValue(cnt[1]);
d->ui.clipZ->setValue(cnt[2]);
int minDecimals = 2;
float lenx, leny,lenz;
box.getSize(lenx, leny, lenz);
int steps = 100;
float minlen = std::min<float>(lenx, std::min<float>(leny, lenz));
// determine the single step values
{
minlen = minlen / steps;
int dim = static_cast<int>(log10(minlen));
double singleStep = pow(10.0, dim);
d->ui.clipView->setSingleStep(singleStep);
minDecimals = std::max(minDecimals, -dim);
}
{
lenx = lenx / steps;
int dim = static_cast<int>(log10(lenx));
double singleStep = pow(10.0, dim);
d->ui.clipX->setSingleStep(singleStep);
}
{
leny = leny / steps;
int dim = static_cast<int>(log10(leny));
double singleStep = pow(10.0, dim);
d->ui.clipY->setSingleStep(singleStep);
}
{
lenz = lenz / steps;
int dim = static_cast<int>(log10(lenz));
double singleStep = pow(10.0, dim);
d->ui.clipZ->setSingleStep(singleStep);
}
// set decimals
d->ui.clipView->setDecimals(minDecimals);
d->ui.clipX->setDecimals(minDecimals);
d->ui.clipY->setDecimals(minDecimals);
d->ui.clipZ->setDecimals(minDecimals);
}
}