cee::ug::ElementHighlighter
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class
ElementHighlighter Helper class for annotating elements.
Creates MarkupModel triangles to highlight the element surfaces and label to show the element id/index. Also helper methods to get access to data referenced by the given hit item.
Public Functions
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ElementHighlighter(const UnstructGridModel *model, vis::MarkupModel *markupModel) Creates the helper class with the given unstruct model and the markup model.
The add* methods in this class will add items to the given markup model. This class does not remove or modify any existing parts in the markup model, so this needs to be handled outside this class.
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void
addElementHighlight(const HitItem &item, const Color3f &surfaceColor) Adds triangles for all surfaces of the element specified by the hit item to the markup model.
The method will create a MarkupPartTriangles part and add it to the markup model. The part will contain a triangulation of all element surfaces on the given element. The part will be given the specified color and will use Polygon Offset so it can be rendered together with the UnstructGridModel and still be visible.
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void
addElementHighlight(const HitItem &item, const Color3f &surfaceColor, const Color3f &lineColor) Adds triangles and lines for all surfaces of the element specified by the hit item to the markup model.
The method will create a MarkupPartTriangles part and add it to the markup model. The part will contain a triangulation of all element surfaces on the given element. A [MarkupPartLines] (cee::vis::MarkupPartLines) part drawing the element edges as lines are also added to the model. The parts will be given the specified colors and will use Polygon Offset so it can be rendered together with the UnstructGridModel and still be visible.
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void
addElementLabel(const HitItem &item, vis::MarkupPartLabels::LabelDrawMode labelDrawMode = vis::MarkupPartLabels::DRAW_WITHOUT_ZBUFFER_TEST, cee::vis::Font *font = NULL) Adds a label with the element id/index in the elementLabelPosition() to the markup model.
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void
addElementNodeLabels(const HitItem &item, vis::MarkupPartLabels::LabelDrawMode labelDrawMode = vis::MarkupPartLabels::DRAW_WITHOUT_ZBUFFER_TEST, cee::vis::Font *font = NULL) Adds labels with the element node id/index to the markup model.
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void
addElementSurfaceHighlight(const HitItem &item, const Color3f &surfaceColor) Adds triangles for the surface of the element specified by the hit item to the markup model.
The method will create a MarkupPartTriangles part and add it to the markup model. The part will contain a triangulation of the element surface on the given element. The part will be given the specified color and will use Polygon Offset so it can be rendered together with the UnstructGridModel and still be visible.
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void
addElementSurfaceHighlight(const HitItem &item, const Color3f &surfaceColor, const Color3f &lineColor) Adds triangles and lines for all surfaces of the element specified by the hit item to the markup model.
The method will create a MarkupPartTriangles part and add it to the markup model. The part will contain a triangulation of all element surfaces on the given element. A [MarkupPartLines] (cee::vis::MarkupPartLines) part drawing the element edges as lines are also added to the model. The parts will be given the specified colors and will use Polygon Offset so it can be rendered together with the UnstructGridModel and still be visible.
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void
addElementSurfaceLabel(const HitItem &item, vis::MarkupPartLabels::LabelDrawMode labelDrawMode, cee::vis::Font *font) Adds a label with the element id/index and surface index in the elementLabelPosition() to the markup model.
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void
addElementSurfaceNodeLabels(const HitItem &item, vis::MarkupPartLabels::LabelDrawMode labelDrawMode, cee::vis::Font *font) Adds labels with the element node id/index and surface index to the markup model.
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Vec3d
elementLabelPosition(const HitItem &item) const Returns a suitable position for drawing a label with element information.
If the element has multiple surfaces (volume element) it will return the centroid of the surface that is specified in the hit item. For other elements (shell, beam, points) it will return the centroid of the element.
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const ug::DataElements *
elementsFromHitItem(const HitItem &item) const Returns the DataElements object specified by the item. NULL if not found or invalid.
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