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Gui: Add Origin indicator to SoFCPlacementIndicator

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This adds optional origin indicator ofr SoFCPlacementIndicator. This is
something that can be used to clearly indicate origin placement with
small sphere.
This commit is contained in:
Kacper Donat
2025-04-02 23:18:16 +02:00
committed by Benjamin Nauck
parent e56ef7cbd7
commit 0cbb1c0fc3
3 changed files with 55 additions and 21 deletions
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62
src/Gui/Inventor/SoFCPlacementIndicatorKit.cpp
View File

@@ -36,6 +36,7 @@
#include <Inventor/nodes/SoMaterial.h>
#include <Inventor/nodes/SoRotation.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoSphere.h>
#include <Inventor/nodes/SoTransform.h>
#include <Inventor/nodes/SoTranslation.h>
#include <Inventor/nodes/SoFontStyle.h>
@@ -68,19 +69,20 @@ SoFCPlacementIndicatorKit::SoFCPlacementIndicatorKit()
SO_KIT_INIT_INSTANCE();
SO_NODE_ADD_FIELD(coloredAxis, (true));
SO_NODE_ADD_FIELD(scaleFactor, (scaleFactorDefault));
SO_NODE_ADD_FIELD(scaleFactor, (ViewParams::instance()->getPlacementIndicatorScale()));
SO_NODE_ADD_FIELD(axisLength, (axisLengthDefault));
SO_NODE_ADD_FIELD(parts, (AxisCross));
SO_NODE_ADD_FIELD(axes, (AllAxes));
SO_NODE_DEFINE_ENUM_VALUE(Part, Axes);
SO_NODE_DEFINE_ENUM_VALUE(Part, PlaneIndicator);
SO_NODE_DEFINE_ENUM_VALUE(Part, Labels);
SO_NODE_DEFINE_ENUM_VALUE(Part, ArrowHeads);
SO_NODE_DEFINE_ENUM_VALUE(Part, Labels);
SO_NODE_DEFINE_ENUM_VALUE(Part, AxisCross);
SO_NODE_DEFINE_ENUM_VALUE(Part, PlaneIndicator);
SO_NODE_DEFINE_ENUM_VALUE(Part, OriginIndicator);
SO_NODE_DEFINE_ENUM_VALUE(Part, AllParts);
SO_NODE_SET_SF_ENUM_TYPE(parts, Part);
SO_NODE_ADD_FIELD(axes, (AllAxes));
SO_NODE_DEFINE_ENUM_VALUE(Axes, X);
SO_NODE_DEFINE_ENUM_VALUE(Axes, Y);
SO_NODE_DEFINE_ENUM_VALUE(Axes, Z);
@@ -120,12 +122,34 @@ void SoFCPlacementIndicatorKit::recomputeGeometry()
root->setPart("shape", createGeometry());
}
SoSeparator* SoFCPlacementIndicatorKit::createGeometry()
SoSeparator* SoFCPlacementIndicatorKit::createOriginIndicator()
{
const uint32_t originColor = ViewParams::instance()->getOriginColor();
auto sep = new SoSeparator();
auto pcBaseColor = new SoBaseColor();
pcBaseColor->rgb.setValue(0.7f, 0.7f, 0.5f);
pcBaseColor->rgb.setValue(Base::Color::fromPackedRGBA<SbColor>(originColor));
auto pcSphere = new SoSphere();
// the factor aligns radius of sphere and arrow head visually, without it, it looks too small
constexpr float visualAdjustmentFactor = 1.2F;
pcSphere->radius = arrowHeadRadius * visualAdjustmentFactor;
sep->addChild(pcBaseColor);
sep->addChild(pcSphere);
return sep;
}
SoSeparator* SoFCPlacementIndicatorKit::createGeometry()
{
const uint32_t neutralColor = ViewParams::instance()->getNeutralColor();
auto sep = new SoSeparator();
auto pcBaseColor = new SoBaseColor();
pcBaseColor->rgb.setValue(Base::Color::fromPackedRGBA<SbColor>(neutralColor));
auto pcLightModel = new SoLightModel();
pcLightModel->model = SoLightModel::BASE_COLOR;
@@ -137,6 +161,10 @@ SoSeparator* SoFCPlacementIndicatorKit::createGeometry()
sep->addChild(createPlaneIndicator());
}
if (parts.getValue() & OriginIndicator) {
sep->addChild(createOriginIndicator());
}
if (parts.getValue() & Axes) {
sep->addChild(createAxes());
}
@@ -146,24 +174,24 @@ SoSeparator* SoFCPlacementIndicatorKit::createGeometry()
SoSeparator* SoFCPlacementIndicatorKit::createAxes()
{
const auto cylinderOffset = axisLength.getValue() / 2.f;
const auto cylinderOffset = axisLength.getValue() / 2.F;
const auto createAxis = [&](const char* label,
Base::Vector3d axis,
uint32_t packedColor,
const double offset) {
Base::Color axisColor(packedColor);
Base::Rotation rotation(Base::Vector3d::UnitY, axis);
auto sep = new SoSeparator;
auto rotation = Base::Rotation(Base::Vector3d::UnitY, axis);
auto pcTranslate = new SoTransform();
pcTranslate->translation.setValue(
Base::convertTo<SbVec3f>((cylinderOffset + offset) * axis));
pcTranslate->rotation.setValue(Base::convertTo<SbRotation>(rotation));
auto pcArrowShaft = new SoCylinder();
pcArrowShaft->radius = axisThickness / 2.0f;
pcArrowShaft->radius = axisThickness / 2.F;
pcArrowShaft->height = axisLength;
if (coloredAxis.getValue()) {
@@ -216,11 +244,12 @@ SoSeparator* SoFCPlacementIndicatorKit::createAxes()
return sep;
};
auto sep = new SoSeparator;
auto xyOffset = (parts.getValue() & PlaneIndicator)
double additionalAxisMargin = (parts.getValue() & OriginIndicator) ? axisThickness * 4 : 0;
double xyOffset = (parts.getValue() & PlaneIndicator)
? planeIndicatorRadius + planeIndicatorMargin
: axisMargin;
: axisMargin + additionalAxisMargin;
auto sep = new SoSeparator;
if (axes.getValue() & X) {
sep->addChild(createAxis("X",
@@ -237,9 +266,10 @@ SoSeparator* SoFCPlacementIndicatorKit::createAxes()
}
if (axes.getValue() & Z) {
auto zOffset = (parts.getValue() & PlaneIndicator)
double zOffset = (parts.getValue() & PlaneIndicator)
? planeIndicatorMargin
: axisMargin;
: axisMargin + additionalAxisMargin;
sep->addChild(createAxis("Z",
Base::Vector3d::UnitZ,
ViewParams::instance()->getAxisZColor(),

11
src/Gui/Inventor/SoFCPlacementIndicatorKit.h
View File

@@ -62,13 +62,14 @@ public:
// clang-format off
enum Part
{
Axes = 1 << 0,
PlaneIndicator = 1 << 1,
Labels = 1 << 2,
ArrowHeads = 1 << 3,
Axes = 1 << 0,
ArrowHeads = 1 << 1,
Labels = 1 << 2,
PlaneIndicator = 1 << 3,
OriginIndicator = 1 << 4,
// common configurations
AllParts = Axes | PlaneIndicator | Labels | ArrowHeads,
AllParts = Axes | OriginIndicator | Labels | ArrowHeads,
AxisCross = Axes | Labels | ArrowHeads
};

3
src/Gui/ViewParams.h
View File

@@ -66,6 +66,9 @@ public:
FC_VIEW_PARAM(AxisXColor,unsigned long,Unsigned,0xCC333300) \
FC_VIEW_PARAM(AxisYColor,unsigned long,Unsigned,0x33CC3300) \
FC_VIEW_PARAM(AxisZColor,unsigned long,Unsigned,0x3333CC00) \
FC_VIEW_PARAM(OriginColor,unsigned long,Unsigned,0xFBD62900) \
FC_VIEW_PARAM(NeutralColor,unsigned long,Unsigned,0xB3B38000) \
FC_VIEW_PARAM(PlacementIndicatorScale,double,Float,40.0) \
FC_VIEW_PARAM(DraggerScale,double,Float,0.03) \