Improved error message

doc/release_notes.md

@@ -416,11 +416,12 @@ OpenPose Library - Release Notes
 
 ## Current version - Future OpenPose 1.6.1
 1. Main improvements:
+    1. Some parts of the documentation have been explained better.
 2. Functions or parameters renamed:
 3. Main bugs fixed:
     1. 90 and 270-degree rotations working again.
     2. C++ tutorial API demos only try to cv::imshow the image if it is not empty (avoding the assert that it would trigger otherwise).
-4. Changes/additions that affect the compatibility with the OpenPose Unity Plugin:
+    3. Several typos fixed in the documentation.
 
 
 

src/openpose/net/netCaffe.cpp

@@ -51,9 +51,12 @@ namespace op
             {
                 try
                 {
-                    const std::string message{".\nPossible causes:\n\t1. Not downloading the OpenPose trained models."
-                                              "\n\t2. Not running OpenPose from the same directory where the `model`"
-                                              " folder is located.\n\t3. Using paths with spaces."};
+                    const std::string message{".\nPossible causes:\n"
+                        "\t1. Not downloading the OpenPose trained models.\n"
+                        "\t2. Not running OpenPose from the root directory (i.e., where the `model` folder is located, but do not move the `model` folder!). E.g.,\n"
+                        "\t\tRight example for the Windows portable binary: `cd {OpenPose_root_path}; bin/openpose.exe`\n"
+                        "\t\tWrong example for the Windows portable binary: `cd {OpenPose_root_path}/bin; openpose.exe`\n"
+                        "\t3. Using paths with spaces."};
                     if (!existFile(mCaffeProto))
                         error("Prototxt file not found: " + mCaffeProto + message, __LINE__, __FUNCTION__, __FILE__);
                     if (!existFile(mCaffeTrainedModel))

src/openpose/net/netOpenCv.cpp

@@ -40,9 +40,12 @@ namespace op
                 mNet{cv::dnn::readNetFromCaffe(caffeProto, caffeTrainedModel)},
                 spOutputBlob{new caffe::Blob<float>(1,1,1,1)}
             {
-                const std::string message{".\nPossible causes:\n\t1. Not downloading the OpenPose trained models."
-                                          "\n\t2. Not running OpenPose from the same directory where the `model`"
-                                          " folder is located.\n\t3. Using paths with spaces."};
+                    const std::string message{".\nPossible causes:\n"
+                        "\t1. Not downloading the OpenPose trained models.\n"
+                        "\t2. Not running OpenPose from the root directory (i.e., where the `model` folder is located, but do not move the `model` folder!). E.g.,\n"
+                        "\t\tRight example for the Windows portable binary: `cd {OpenPose_root_path}; bin/openpose.exe`\n"
+                        "\t\tWrong example for the Windows portable binary: `cd {OpenPose_root_path}/bin; openpose.exe`\n"
+                        "\t3. Using paths with spaces."};
                 if (!existFile(mCaffeProto))
                     error("Prototxt file not found: " + mCaffeProto + message, __LINE__, __FUNCTION__, __FILE__);
                 if (!existFile(mCaffeTrainedModel))