COCO saver compatible with 18 & 19 parts

.github/issue_template.md

@@ -3,7 +3,8 @@
 2. **No duplicated** posts.
 3. **No** posts about **questions already answered / clearly explained in** the **documentation** (e.g. **no more low-speed nor out-of-memory questions**).
 4. Set a **proper issue title**: add the Ubuntu/Windows word and be specific (e.g. do not simple call it: `Compile error`).
-5. Only English comments.
+5. **No** questions about **training**. OpenPose only implements testing.
+6. Only English comments.
 Issues/comments that do not follow this will be **ignored or removed** with no further clarification.
 
 

src/openpose/filestream/cocoJsonSaver.cpp

@@ -62,7 +62,13 @@ namespace op
                 // keypoints - i.e. poseKeypoints
                 mJsonOfstream.key("keypoints");
                 mJsonOfstream.arrayOpen();
-                const std::vector<int> indexesInCocoOrder{0, 15, 14, 17, 16,        5, 2, 6, 3, 7,        4, 11, 8, 12, 9,        13, 10};
+                std::vector<int> indexesInCocoOrder;
+                if (numberBodyParts == 18)
+                    indexesInCocoOrder = std::vector<int>{0, 15, 14, 17, 16,        5, 2, 6, 3, 7,        4, 11, 8, 12, 9,        13, 10};
+                else if (numberBodyParts == 19)
+                    indexesInCocoOrder = std::vector<int>{0, 16, 15, 18, 17,        5, 2, 6, 3, 7,        4, 12, 9, 13, 10,       14, 11};
+                else
+                    error("Unvalid number of body parts (" + std::to_string(numberBodyParts) + ").", __LINE__, __FUNCTION__, __FILE__);
                 for (auto bodyPart = 0u ; bodyPart < indexesInCocoOrder.size() ; bodyPart++)
                 {
                     const auto finalIndex = 3*(person*numberBodyParts + indexesInCocoOrder.at(bodyPart));