Class HolovizOp
Defined in File holoviz.hpp
Base Type
public holoscan::ops::GXFOperator(Class GXFOperator)
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class HolovizOp : public holoscan::ops::GXFOperator
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Public Types
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enum class InputType
Input type.
All geometric primitives expect a 1d array of coordinates. Coordinates range from 0.0 (left, top) to 1.0 (right, bottom).
Values:
- enumerator UNKNOWN
unknown type, the operator tries to guess the type by inspecting the tensor
- enumerator COLOR
RGB or RGBA color 2d image.
- enumerator COLOR_LUT
single channel 2d image, color is looked up
- enumerator POINTS
point primitives, one coordinate (x, y) per primitive
- enumerator LINES
line primitives, two coordinates (x0, y0) and (x1, y1) per primitive
- enumerator LINE_STRIP
line strip primitive, a line primitive i is defined by each coordinate (xi, yi) and the following (xi+1, yi+1)
- enumerator TRIANGLES
triangle primitive, three coordinates (x0, y0), (x1, y1) and (x2, y2) per primitive
- enumerator CROSSES
cross primitive, a cross is defined by the center coordinate and the size (xi, yi, si)
- enumerator RECTANGLES
axis aligned rectangle primitive, each rectangle is defined by two coordinates (xi, yi) and (xi+1, yi+1)
- enumerator OVALS
oval primitive, an oval primitive is defined by the center coordinate and the axis sizes (xi, yi, sxi, syi)
- enumerator TEXT
text is defined by the top left coordinate and the size (x, y, s) per string, text strings are define by InputSpec::text_
Public Functions
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template<typename ArgT, typename ...ArgsT, typename = std::enable_if_t<!std::is_base_of_v<Operator, std::decay_t<ArgT>> && (std::is_same_v<Arg, std::decay_t<ArgT>> || std::is_same_v<ArgList, std::decay_t<ArgT>> || std::is_base_of_v<holoscan::Condition, typename holoscan::type_info<ArgT>::derived_type> || std::is_base_of_v<holoscan::Resource, typename holoscan::type_info<ArgT>::derived_type>)>>
inline HolovizOp(ArgT &&arg, ArgsT&&... args)
- HolovizOp() = default
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inline virtual const char *gxf_typename() const override
Get the type name of the GXF component.
The returned string is the type name of the GXF component and is used to create the GXF component.
Example: “nvidia::holoscan::AJASource”
- Returns
The type name of the GXF component.
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virtual void setup(OperatorSpec &spec) override
Define the operator specification.
- Parameters
spec – The reference to the operator specification.
- virtual void initialize() override
Initialize the operator.
This function is called after the operator is created by holoscan::Fragment::make_operator().
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struct InputSpec
Input specification
Public Functions
- InputSpec() = default
- inline InputSpec(const std::string tensor_name, InputType type)
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inline explicit operator bool() const noexcept
- Returns
true if the input spec is valid
Public Members
- std::string tensor_name_
name of the tensor containing the input data
- float opacity_ = 1.f
layer opacity, 1.0 is fully opaque, 0.0 is fully transparent
- int32_t priority_ = 0
layer priority, determines the render order, layers with higher priority values are rendered on top of layers with lower priority values
- std::vector<float> color_ = {1.f, 1.f, 1.f, 1.f}
color of rendered geometry
- float line_width_ = 1.f
line width for geometry made of lines
- float point_size_ = 1.f
point size for geometry made of points
- std::vector<std::string> text_
array of text strings, used when type_ is text.
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enum class InputType