Improved arguments with enum default values using py::arg_v.

Author: timohl

cpp/pybind/t/geometry/image.cpp

@@ -181,7 +181,8 @@ void pybind_image_definitions(py::module &m) {
                  "Upsample if sampling rate > 1. Aspect ratio is always "
                  "kept.",
                  "sampling_rate"_a = 0.5,
-                 "interp_type"_a = Image::InterpType::Nearest)
+                 py::arg_v("interp_type", Image::InterpType::Nearest,
+                           "open3d.t.geometry.InterpType.Nearest"))
             .def("pyrdown", &Image::PyrDown,
                  "Return a new downsampled image with pyramid downsampling "
                  "formed by a chained Gaussian filter (kernel_size = 5, sigma"

cpp/pybind/t/pipelines/registration/robust_kernel.cpp

@@ -115,7 +115,9 @@ void pybind_robust_kernel_definitions(py::module& m) {
                      return new RobustKernel(type, scaling_parameter,
                                              shape_parameter);
                  }),
-                 "type"_a = RobustKernelMethod::L2Loss,
+                 py::arg_v("type", RobustKernelMethod::L2Loss,
+                           "open3d.t.pipelines.registration.RobustKernelMethod."
+                           "L2Loss"),
                  "scaling_parameter"_a = 1.0, "shape_parameter"_a = 1.0)
             .def_readwrite("type", &RobustKernel::type_, "Loss type.")
             .def_readwrite("scaling_parameter",

cpp/pybind/visualization/gui/gui.cpp

@@ -537,7 +537,8 @@ void pybind_gui_definitions(py::module &m) {
     fd.attr("MONOSPACE") = FontDescription::MONOSPACE;
     fd.def(py::init<const char *, FontStyle, int>(),
            "typeface"_a = FontDescription::SANS_SERIF,
-           "style"_a = FontStyle::NORMAL, "point_size"_a = 0,
+           py::arg_v("style", FontStyle::NORMAL, "open3d.gui.FontStyle.NORMAL"),
+           "point_size"_a = 0,
            "Creates a FontDescription. 'typeface' is a path to a "
            "TrueType (.ttf), TrueType Collection (.ttc), or "
            "OpenType (.otf) file, or it is the name of the font, "

cpp/pybind/visualization/rendering/rendering.cpp

@@ -516,7 +516,9 @@ void pybind_rendering_definitions(py::module &m) {
                  "Typical values are 2, 4 or 8. The maximum possible value "
                  "depends on the underlying GPU and OpenGL driver.")
             .def("set_shadowing", &View::SetShadowing, "enabled"_a,
-                 "type"_a = View::ShadowType::kPCF,
+                 py::arg_v(
+                         "type", View::ShadowType::kPCF,
+                         "open3d.visualization.rendering.View.ShadowType.PCF"),
                  "True to enable, false to enable all shadow mapping when "
                  "rendering this View. When enabling shadow mapping you may "
                  "also specify one of two shadow mapping algorithms: PCF "