switch AxesSubplot/Axes3D by checking props like plot_surface

CMakeLists.txt

@@ -28,12 +28,12 @@ endfunction()
 if(${ADD_DEMO})
   set(CMAKE_CXX_STANDARD 17)
   set(CMAKE_CXX_FLAGS "-Wall -g -DUSE_GUI=${USE_GUI}")
-#  add_subdirectory(gallery/lines_bars_and_markers)
-#  add_subdirectory(gallery/subplots_axes_and_figures)
-#  add_subdirectory(gallery/statistics)
-#  add_subdirectory(gallery/images_contours_and_fields)
-#  add_subdirectory(gallery/shapes_and_collections)
-#  add_subdirectory(gallery/artist_animation)
+  add_subdirectory(gallery/lines_bars_and_markers)
+  add_subdirectory(gallery/subplots_axes_and_figures)
+  add_subdirectory(gallery/statistics)
+  add_subdirectory(gallery/images_contours_and_fields)
+  add_subdirectory(gallery/shapes_and_collections)
+  add_subdirectory(gallery/artist_animation)
   add_subdirectory(gallery/mplot3d)
 endif()
 

README.md

@@ -12,6 +12,7 @@ It is supposed to provide the user with almost full access to matplotlib feature
 
 - pybind11(https://github.com/pybind/pybind11) >= 2.9.0
 - compatible with matplotlib(https://matplotlib.org/stable/index.html) == 3.5.1 as of now
+- numpy(only for 3D-plotting)
 
 ## Usage
 

include/matplotlibcpp17/animation.h

@@ -29,7 +29,6 @@ public:
 
 private:
   void load_attrs() { LOAD_FUNC_ATTR(save, self); }
-  pybind11::object self;
   pybind11::object save_attr;
 };
 

include/matplotlibcpp17/axes.h

@@ -222,8 +222,14 @@ private:
     LOAD_FUNC_ATTR(invert_yaxis, self);
     LOAD_FUNC_ATTR(legend, self);
     LOAD_FUNC_ATTR(plot, self);
-    LOAD_FUNC_ATTR(plot_surface, self);
-    LOAD_FUNC_ATTR(plot_wireframe, self);
+    // NOTE: only when called with projection='3d', `plot_surface`, `plot_wireframe`, `set_zlabel` prop exists.
+    try {
+      plot_surface_attr = self.attr("plot_surface");
+      plot_wireframe_attr = self.attr("plot_wireframe");
+      set_zlabel_attr = self.attr("set_zlabel");
+      std::cout << "Loaded Axes3D." << std::endl;
+    }
+    catch(...) {}
     LOAD_FUNC_ATTR(quiver, self);
     LOAD_FUNC_ATTR(quiverkey, self);
     LOAD_FUNC_ATTR(scatter, self);
@@ -237,7 +243,6 @@ private:
     LOAD_FUNC_ATTR(set_ylabel, self);
     LOAD_FUNC_ATTR(set_ylim, self);
     LOAD_FUNC_ATTR(set_yticks, self);
-    LOAD_FUNC_ATTR(set_zlabel, self);
     LOAD_FUNC_ATTR(text, self);
     LOAD_FUNC_ATTR(tick_params, self);
   }