Cluster cuts (#146)

Co-authored-by: Patrick <patrick.sieberer@psi.ch>
Co-authored-by: JulianHeymes <julian.heymes@psi.ch>
Co-authored-by: Dhanya Thattil <dhanya.thattil@psi.ch>
Co-authored-by: Xiangyu Xie <45243914+xiangyuxie@users.noreply.github.com>
Co-authored-by: xiangyu.xie <xiangyu.xie@psi.ch>

src/ClusterFile.test.cpp

@@ -0,0 +1,80 @@
+#include "aare/ClusterFile.hpp"
+#include "test_config.hpp"
+
+
+#include "aare/defs.hpp"
+#include <catch2/catch_test_macros.hpp>
+#include <filesystem>
+
+
+
+
+using aare::ClusterFile;
+
+TEST_CASE("Read one frame from a a cluster file", "[.integration]") {
+    //We know that the frame has 97 clusters
+    auto fpath = test_data_path() / "clusters" / "single_frame_97_clustrers.clust";
+    REQUIRE(std::filesystem::exists(fpath));
+
+    ClusterFile f(fpath);
+    auto clusters = f.read_frame();
+    REQUIRE(clusters.size() == 97);
+    REQUIRE(clusters.frame_number() == 135);
+}
+
+TEST_CASE("Read one frame using ROI", "[.integration]") {
+    //We know that the frame has 97 clusters
+    auto fpath = test_data_path() / "clusters" / "single_frame_97_clustrers.clust";
+    REQUIRE(std::filesystem::exists(fpath));
+
+    ClusterFile f(fpath);
+    aare::ROI roi;
+    roi.xmin = 0;
+    roi.xmax = 50;
+    roi.ymin = 200;
+    roi.ymax = 249;
+    f.set_roi(roi);
+    auto clusters = f.read_frame();
+    REQUIRE(clusters.size() == 49);
+    REQUIRE(clusters.frame_number() == 135);
+
+    //Check that all clusters are within the ROI
+    for (size_t i = 0; i < clusters.size(); i++) {
+        auto c = clusters.at<aare::Cluster3x3>(i);
+        REQUIRE(c.x >= roi.xmin);
+        REQUIRE(c.x <= roi.xmax);
+        REQUIRE(c.y >= roi.ymin);
+        REQUIRE(c.y <= roi.ymax);
+    }
+
+}
+
+
+TEST_CASE("Read clusters from single frame file", "[.integration]") {
+
+    auto fpath = test_data_path() / "clusters" / "single_frame_97_clustrers.clust";
+    REQUIRE(std::filesystem::exists(fpath));
+
+    SECTION("Read fewer clusters than available") {
+        ClusterFile f(fpath);
+        auto clusters = f.read_clusters(50);
+        REQUIRE(clusters.size() == 50);
+         REQUIRE(clusters.frame_number() == 135);
+    }
+    SECTION("Read more clusters than available") {
+        ClusterFile f(fpath);
+        // 100 is the maximum number of clusters read
+        auto clusters = f.read_clusters(100);
+        REQUIRE(clusters.size() == 97);
+        REQUIRE(clusters.frame_number() == 135);
+    }
+    SECTION("Read all clusters") {
+        ClusterFile f(fpath);
+        auto clusters = f.read_clusters(97);
+        REQUIRE(clusters.size() == 97);
+        REQUIRE(clusters.frame_number() == 135);
+    }
+
+
+    
+}