Add new example

README.md

@@ -66,6 +66,10 @@ The supported file options are:
 - `--remove_undefined_lengths`: forces the output file(s) to have no data elements with udnefined lengths
 - `--anonymize` or `--anonymize=my_new_patient_id`: anonymizes the input file(s)
 
+## Documentation
+
+Please visit [github pages](https://project-eutopia.github.io/vega/).
+
 ## Reading/writing files
 
 Here is a simple example of using the library to read a file in and print a string representation of the content to standard out.

examples/edit.cpp

@@ -0,0 +1,32 @@
+//compile with clang++ --std=c++11 -lvega -lz edit.cpp -o edit
+#include <iostream>
+#include <cstdlib>
+#include <string>
+
+#include "vega/dictionary/dictionary.h"
+#include "vega/dicom/file.h"
+
+int main(int argc, char *argv[]) {
+  if (argc < 3) {
+    std::cout << "Usage: edit input_file output_file" << std::endl;
+    return 1;
+  }
+  // Optional you can set the dictionary file
+  // vega::dictionary::Dictionary::set_dictionary("/path/to/dictionary/dictionary.txt");
+  vega::dicom::File file(argv[1]);
+
+  auto element = file.data_set->element<vega::dictionary::PatientName>();
+  if (element) {
+    // If there are patient names, set them all to "Smith^Alice"
+    for (auto& name : element->manipulator()) {
+      name = "Smith^Alice";
+    }
+  } else {
+    std::cout << "Coudn't find patient name, creating it" << std::endl;
+    // If there are no patient names, add one with value "Smith^Alice"
+    element = file.data_set()->new_element<vega::dictionary::PatientName>();
+    element->manipulator()->push_back("Smith^Alice");
+  }
+  file.write(argv[2]);
+  return 0;
+}