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include/neural-graphics-primitives/common.h

@@ -82,9 +82,9 @@ enum class ERenderMode : int {
 static constexpr const char* RenderModeStr = "AO\0Shade\0Normals\0Positions\0Depth\0Distortion\0Cost\0Slice\0\0";
 
 enum class ECameraMode : int {
-    Perspective,
-    Orthographic,
-    Environment
+	Perspective,
+	Orthographic,
+	Environment
 };
 
 static constexpr const char* CameraModeStr = "Perspective\0Orthographic\0Environment\0\0";

include/neural-graphics-primitives/common_device.cuh

@@ -270,69 +270,69 @@ inline __host__ __device__ Ray pixel_to_ray(
 	bool snap_to_pixel_centers = false,
 	float focus_z = 1.0f,
 	float dof = 0.0f,
-    const ECameraMode camera_mode = ECameraMode::Perspective,
+	const ECameraMode camera_mode = ECameraMode::Perspective,
 	const CameraDistortion& camera_distortion = {},
 	const float* __restrict__ distortion_data = nullptr,
 	const Eigen::Vector2i distortion_resolution = Eigen::Vector2i::Zero()
 ) {
 	Eigen::Vector2f offset = ld_random_pixel_offset(snap_to_pixel_centers ? 0 : spp);
 	Eigen::Vector2f uv = (pixel.cast<float>() + offset).cwiseQuotient(resolution.cast<float>());
 
-    const Eigen::Vector3f shift = {parallax_shift.x(), parallax_shift.y(), 0.f};
+	const Eigen::Vector3f shift = {parallax_shift.x(), parallax_shift.y(), 0.f};
 	Eigen::Vector3f dir;
 
-    Eigen::Vector3f head_pos;
-    if(camera_mode == ECameraMode::Orthographic){
-        dir = {0.f, 0.f, 1.f}; // Camera forward
-        head_pos = {
-            (uv.x() - screen_center.x()) * (float)resolution.x() / focal_length.x(),
-            (uv.y() - screen_center.y()) * (float)resolution.y() / focal_length.y(),
-            0.0f
-        };
+	Eigen::Vector3f head_pos;
+	if(camera_mode == ECameraMode::Orthographic){
+		dir = {0.f, 0.f, 1.f}; // Camera forward
+		head_pos = {
+			(uv.x() - screen_center.x()) * (float)resolution.x() / focal_length.x(),
+			(uv.y() - screen_center.y()) * (float)resolution.y() / focal_length.y(),
+			0.0f
+		};
 		head_pos += shift;
-   		dir -= shift / parallax_shift.z(); // we could use focus_z here in the denominator. for now, we pack m_scale in here.
-    }
-    else if(camera_mode == ECameraMode::Environment){
-        // Camera convention: XYZ <-> Right Down Front
-        head_pos = {0.f, 0.f, 0.f};
-        const float phi = (uv.y()-0.5) * M_PI;
-        const float theta = (uv.x()-0.5) * 2.0 * M_PI;
-        const float cos_phi = std::cos(phi);
-        dir = {
-            cos_phi*std::sin(theta),
-            std::sin(phi),
-            cos_phi*std::cos(theta)
-        };
+		dir -= shift / parallax_shift.z(); // we could use focus_z here in the denominator. for now, we pack m_scale in here.
+	}
+	else if(camera_mode == ECameraMode::Environment){
+		// Camera convention: XYZ <-> Right Down Front
+		head_pos = {0.f, 0.f, 0.f};
+		const float phi = (uv.y()-0.5) * M_PI;
+		const float theta = (uv.x()-0.5) * 2.0 * M_PI;
+		const float cos_phi = std::cos(phi);
+		dir = {
+			cos_phi*std::sin(theta),
+			std::sin(phi),
+			cos_phi*std::cos(theta)
+		};
 		// Parallax isn't handled
-    }
-    else { // Perspective
-        head_pos = {0.f, 0.f, 0.f};
-        if (camera_distortion.mode == ECameraDistortionMode::FTheta) {
-            dir = f_theta_undistortion(uv - screen_center, camera_distortion.params, {1000.f, 0.f, 0.f});
-            if (dir.x() == 1000.f) {
-                return {{1000.f, 0.f, 0.f}, {0.f, 0.f, 1.f}}; // return a point outside the aabb so the pixel is not rendered
-            }
-        } else if (camera_distortion.mode == ECameraDistortionMode::LatLong) {
+	}
+	else { // Perspective
+		head_pos = {0.f, 0.f, 0.f};
+		if (camera_distortion.mode == ECameraDistortionMode::FTheta) {
+			dir = f_theta_undistortion(uv - screen_center, camera_distortion.params, {1000.f, 0.f, 0.f});
+			if (dir.x() == 1000.f) {
+				return {{1000.f, 0.f, 0.f}, {0.f, 0.f, 1.f}}; // return a point outside the aabb so the pixel is not rendered
+			}
+		} else if (camera_distortion.mode == ECameraDistortionMode::LatLong) {
 			dir = latlong_to_dir(uv);
 		} else {
-            dir = {
-                (uv.x() - screen_center.x()) * (float)resolution.x() / focal_length.x(),
-                (uv.y() - screen_center.y()) * (float)resolution.y() / focal_length.y(),
-                1.0f
-            };
-            if (camera_distortion.mode == ECameraDistortionMode::Iterative) {
-                iterative_camera_undistortion(camera_distortion.params, &dir.x(), &dir.y());
-            }
-        }
-        if (distortion_data) {
-		    dir.head<2>() += read_image<2>(distortion_data, distortion_resolution, uv);
-	    }
+			dir = {
+				(uv.x() - screen_center.x()) * (float)resolution.x() / focal_length.x(),
+				(uv.y() - screen_center.y()) * (float)resolution.y() / focal_length.y(),
+				1.0f
+			};
+			if (camera_distortion.mode == ECameraDistortionMode::Iterative) {
+				iterative_camera_undistortion(camera_distortion.params, &dir.x(), &dir.y());
+			}
+		}
+		if (distortion_data) {
+			dir.head<2>() += read_image<2>(distortion_data, distortion_resolution, uv);
+		}
 		head_pos += shift;
-   		dir -= shift / parallax_shift.z(); // we could use focus_z here in the denominator. for now, we pack m_scale in here.
-    }
+		dir -= shift / parallax_shift.z(); // we could use focus_z here in the denominator. for now, we pack m_scale in here.
+	}
 
-    dir = camera_matrix.block<3, 3>(0, 0) * dir;
-    Eigen::Vector3f origin = camera_matrix.block<3, 3>(0, 0) * head_pos + camera_matrix.col(3);
+	dir = camera_matrix.block<3, 3>(0, 0) * dir;
+	Eigen::Vector3f origin = camera_matrix.block<3, 3>(0, 0) * head_pos + camera_matrix.col(3);
 
 	if (dof == 0.0f) {
 		return {origin, dir};
@@ -439,7 +439,7 @@ inline __host__ __device__ Eigen::Vector2f motion_vector_3d(
 		snap_to_pixel_centers,
 		1.0f,
 		0.0f,
-        camera_mode,
+		camera_mode,
 		camera_distortion,
 		nullptr,
 		Eigen::Vector2i::Zero()

include/neural-graphics-primitives/testbed.h

@@ -156,7 +156,7 @@ class Testbed {
 			int show_accel,
 			float cone_angle_constant,
 			ERenderMode render_mode,
-            ECameraMode camera_mode,
+			ECameraMode camera_mode,
 			cudaStream_t stream
 		);
 
@@ -466,7 +466,7 @@ class Testbed {
 	float m_bounding_radius = 1;
 	float m_exposure = 0.f;
 
-    ECameraMode m_camera_mode = ECameraMode::Perspective;
+	ECameraMode m_camera_mode = ECameraMode::Perspective;
 	ERenderMode m_render_mode = ERenderMode::Shade;
 	EMeshRenderMode m_mesh_render_mode = EMeshRenderMode::VertexNormals;
 

src/python_api.cu

@@ -238,9 +238,9 @@ PYBIND11_MODULE(pyngp, m) {
 		.value("Slice", ERenderMode::Slice)
 		.export_values();
 
-    py::enum_<ECameraMode>(m, "CameraMode")
+	py::enum_<ECameraMode>(m, "CameraMode")
 		.value("Perspective", ECameraMode::Perspective)
-        .value("Orthographic", ECameraMode::Orthographic)
+		.value("Orthographic", ECameraMode::Orthographic)
 		.value("Environment", ECameraMode::Environment)
 		.export_values();
 
@@ -430,7 +430,7 @@ PYBIND11_MODULE(pyngp, m) {
 		.def_readwrite("shall_train_network", &Testbed::m_train_network)
 		.def_readwrite("render_groundtruth", &Testbed::m_render_ground_truth)
 		.def_readwrite("render_mode", &Testbed::m_render_mode)
-        .def_readwrite("camera_mode", &Testbed::m_camera_mode)
+		.def_readwrite("camera_mode", &Testbed::m_camera_mode)
 		.def_readwrite("slice_plane_z", &Testbed::m_slice_plane_z)
 		.def_readwrite("dof", &Testbed::m_dof)
 		.def_readwrite("autofocus", &Testbed::m_autofocus)

src/testbed_nerf.cu

@@ -1791,7 +1791,7 @@ __global__ void init_rays_with_payload_kernel_nerf(
 	const float* __restrict__ distortion_data,
 	const Vector2i distortion_resolution,
 	ERenderMode render_mode,
-    ECameraMode camera_mode
+	ECameraMode camera_mode
 ) {
 	uint32_t x = threadIdx.x + blockDim.x * blockIdx.x;
 	uint32_t y = threadIdx.y + blockDim.y * blockIdx.y;
@@ -1822,7 +1822,7 @@ __global__ void init_rays_with_payload_kernel_nerf(
 		snap_to_pixel_centers,
 		plane_z,
 		dof,
-        camera_mode,
+		camera_mode,
 		camera_distortion,
 		distortion_data,
 		distortion_resolution
@@ -1972,7 +1972,7 @@ void Testbed::NerfTracer::init_rays_from_camera(
 	int show_accel,
 	float cone_angle_constant,
 	ERenderMode render_mode,
-    ECameraMode camera_mode,
+	ECameraMode camera_mode,
 	cudaStream_t stream
 ) {
 	// Make sure we have enough memory reserved to render at the requested resolution
@@ -2004,7 +2004,7 @@ void Testbed::NerfTracer::init_rays_from_camera(
 		distortion_data,
 		distortion_resolution,
 		render_mode,
-        camera_mode
+		camera_mode
 	);
 
 	m_n_rays_initialized = resolution.x() * resolution.y();
@@ -2267,7 +2267,7 @@ void Testbed::render_nerf(CudaRenderBuffer& render_buffer, const Vector2i& max_r
 		m_nerf.show_accel,
 		m_nerf.cone_angle_constant,
 		render_mode,
-        m_camera_mode,
+		m_camera_mode,
 		stream
 	);
 
@@ -2445,7 +2445,7 @@ void Testbed::Nerf::Training::export_camera_extrinsics(const std::string& filena
 		trajectory.emplace_back(frame);
 	}
 	std::ofstream file(filename);
-    file << std::setw(2) << trajectory << std::endl;
+	file << std::setw(2) << trajectory << std::endl;
 }
 
 Eigen::Matrix<float, 3, 4> Testbed::Nerf::Training::get_camera_extrinsics(int frame_idx) {