fix inputmask()

rmukh · Mar 21, 2019 · cb7ee17 · cb7ee17
1 parent 5ffb0c4
commit cb7ee17
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Ridgelets/DATA_SOURCE.cpp b/Ridgelets/DATA_SOURCE.cpp
@@ -148,13 +148,13 @@ int DATA_SOURCE::readMask(string inputMask, MaskImagePointer& image) {
 	MaskReaderType::Pointer reader = MaskReaderType::New();
 
 	// Make some inputfiles checks
-	string ext_vol = inputMask.substr(inputMask.length() - 4, inputMask.length());
-
 	if (!is_path_exists(inputMask)) {
 		cout << "Input mask image is not provided. Please, stop program and provide mask file if you forget to include it." << endl;
 		return EXIT_SUCCESS;
 	}
 
+	string ext_vol = inputMask.substr(inputMask.length() - 4, inputMask.length());
+
 	if (ext_vol.compare("nhdr")) {
 		if (ext_vol.compare("nrrd")) {
 			cout << "NDHR or NRRD file formats only! Please, check file type." << endl;