Initial transliteration of RawImage to an Eigen backend.

.gitignore

@@ -29,3 +29,5 @@ docs/source/examples/_notebooks
 # emacs work in progress files (lock and autosave)
 .#*
 \#*#
+# Exclude files starting with exclude (local test and development)
+exclude*

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "lib/pybind11"]
 	path = lib/pybind11
 	url = https://github.com/pybind/pybind11.git
+[submodule "include/eigen"]
+	path = include/eigen
+	url = https://gitlab.com/libeigen/eigen.git

CMakeLists.txt

@@ -29,10 +29,11 @@ find_library(CFITSIO_LIBRARY
 
 add_subdirectory(lib/pybind11)
 
-set(CMAKE_CXX_STANDARD 11)
+set(CMAKE_CXX_STANDARD 17)
 
 include_directories(
     include/
+    include/eigen
 )
 
 

src/kbmod/analysis_utils.py

@@ -123,7 +123,14 @@ def get_all_stamps(self, result_list, search, stamp_radius):
         stamp_edge = stamp_radius * 2 + 1
         for row in result_list.results:
             stamps = kb.StampCreator.get_stamps(search.get_imagestack(), row.trajectory, stamp_radius)
-            row.all_stamps = np.array([np.array(stamp).reshape(stamp_edge, stamp_edge) for stamp in stamps])
+            # TODO: a way to avoid a copy here would be to do
+            # np.array([s.image for s in stamps], dtype=np.single, copy=False)
+            # but that could cause a problem with reference counting at the m
+            # moment. The real fix is to make the stamps return Image not
+            # RawImage, return the Image and avoid a reference to a private
+            # attribute. This risks collecting RawImage but leaving a dangling
+            # ref to its private field. That's a fix for another time.
+            row.all_stamps = np.array([stamp.image for stamp in stamps])
 
     def apply_clipped_sigmaG(self, result_list):
         """This function applies a clipped median filter to the results of a KBMOD
@@ -324,9 +331,16 @@ def apply_stamp_filter(
                 params,
                 kb.HAS_GPU and len(trj_slice) > 100,
             )
+            # TODO: a way to avoid a copy here would be to do
+            # np.array([s.image for s in stamps], dtype=np.single, copy=False)
+            # but that could cause a problem with reference counting at the m
+            # moment. The real fix is to make the stamps return Image not
+            # RawImage and avoid reference to an private attribute and risking
+            # collecting RawImage but leaving a dangling ref to the attribute.
+            # That's a fix for another time so I'm leaving it as a copy here
             for ind, stamp in enumerate(stamps_slice):
-                if stamp.get_width() > 1:
-                    result_list.results[ind + start_idx].stamp = np.array(stamp)
+                if stamp.width > 1:
+                    result_list.results[ind + start_idx].stamp = np.array(stamp.image)
                     all_valid_inds.append(ind + start_idx)
 
             # Move to the next chunk.

src/kbmod/fake_data_creator.py

@@ -17,7 +17,7 @@
 from kbmod.work_unit import WorkUnit
 
 
-def add_fake_object(img, x, y, flux, psf=None):
+def add_fake_object(img, y, x, flux, psf=None):
     """Add a fake object to a LayeredImage or RawImage
 
     Parameters
@@ -39,21 +39,20 @@ def add_fake_object(img, x, y, flux, psf=None):
         sci = img
 
     if psf is None:
-        sci.add_pixel_interp(x, y, flux)
+        sci.interpolated_add(y, x, flux)
     else:
         dim = psf.get_dim()
         initial_x = x - psf.get_radius()
         initial_y = y - psf.get_radius()
-
         for i in range(dim):
             for j in range(dim):
-                sci.add_pixel_interp(initial_x + i, initial_y + j, flux * psf.get_value(i, j))
+                sci.interpolated_add(float(initial_y + j), float(initial_x + i), flux * psf.get_value(i, j))
 
 
 class FakeDataSet:
     """This class creates fake data sets for testing and demo notebooks."""
 
-    def __init__(self, width, height, num_times, noise_level=2.0, psf_val=0.5, obs_per_day=3, use_seed=False):
+    def __init__(self, height, width, num_times, noise_level=2.0, psf_val=0.5, obs_per_day=3, use_seed=False):
         """The constructor.
 
         Parameters
@@ -111,8 +110,8 @@ def make_fake_ImageStack(self):
         for i in range(self.num_times):
             img = LayeredImage(
                 ("%06i" % i),
-                self.width,
                 self.height,
+                self.width,
                 self.noise_level,
                 self.noise_level**2,
                 self.times[i],
@@ -143,7 +142,7 @@ def insert_object(self, trj):
             # re-set the image. This last step needs to be done
             # explicitly because of how pybind handles references.
             current = self.stack.get_single_image(i)
-            add_fake_object(current, px, py, trj.flux, current.get_psf())
+            add_fake_object(current, py, px, trj.flux, current.get_psf())
 
         # Save the trajectory into the internal list.
         self.trajectories.append(trj)

src/kbmod/filters/stamp_filters.py

@@ -106,8 +106,8 @@ def keep_row(self, row: ResultRow):
         stamp = row.stamp.reshape([self.width, self.width])
         peak_pos = RawImage(stamp).find_peak(True)
         return (
-            abs(peak_pos.x - self.stamp_radius) < self.x_thresh
-            and abs(peak_pos.y - self.stamp_radius) < self.y_thresh
+            abs(peak_pos.i - self.stamp_radius) < self.x_thresh
+            and abs(peak_pos.j - self.stamp_radius) < self.y_thresh
         )
 
 

src/kbmod/search/bindings.cpp

@@ -1,6 +1,12 @@
 #include <pybind11/pybind11.h>
-#include <pybind11/stl.h>
 #include <pybind11/numpy.h>
+#include <pybind11/eigen.h>
+#include <pybind11/stl.h>
+
+namespace py = pybind11;
+
+#include "common.h"
+#include "geom.h"
 
 #include "psf.cpp"
 #include "raw_image.cpp"
@@ -9,10 +15,6 @@
 #include "stack_search.cpp"
 #include "stamp_creator.cpp"
 #include "filtering.cpp"
-#include "common.h"
-
-using pp = search::PixelPos;
-using std::to_string;
 
 PYBIND11_MODULE(search, m) {
     m.attr("KB_NO_DATA") = pybind11::float_(search::NO_DATA);
@@ -22,6 +24,9 @@ PYBIND11_MODULE(search, m) {
             .value("STAMP_MEAN", search::StampType::STAMP_MEAN)
             .value("STAMP_MEDIAN", search::StampType::STAMP_MEDIAN)
             .export_values();
+    indexing::index_bindings(m);
+    indexing::point_bindings(m);
+    indexing::anchored_rectangle_bindings(m);
     search::psf_bindings(m);
     search::raw_image_bindings(m);
     search::layered_image_bindings(m);

src/kbmod/search/common.h

@@ -1,9 +1,14 @@
 #ifndef COMMON_H_
 #define COMMON_H_
 
+#include <assert.h>
 #include <string>
+
 #include "pydocs/common_docs.h"
 
+// assert(condition, message if !condition)
+#define assertm(exp, msg) assert(((void)msg, exp))
+
 namespace search {
 #ifdef HAVE_CUDA
 constexpr bool HAVE_GPU = true;
@@ -143,8 +148,6 @@ struct ImageMoments {
 };
 
 #ifdef Py_PYTHON_H
-namespace py = pybind11;
-
 static void trajectory_bindings(py::module &m) {
     using tj = Trajectory;