Changeset 1577:15098fb5275c in lemon-0.x for demo/dim_to_dot.cc

Timestamp:

07/20/05 18:05:04 (18 years ago)

Author:

athos

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@2078

Message:

Documentation (lp_demo,lp_maxflow) and slight changes (rest).

File:

• demo/dim_to_dot.cc (modified) (3 diffs)

demo/dim_to_dot.cc

@@ -6 +6 @@
 // This program can be an aid in making up to date visualized documantation 
 // of demo programs.
+
+// For later documentation (if marci does not do it)
+// Az a graphviz csomag egy egyszeru formatuma, ami egy graphrajzolo csomag.
+// Az EdgeSubGraphAdaptor doksijaban szerepel egy kirajzolt graf. Azt nem
+// kezzel csinaltam, hanem a megfelelo dim file-bol ezzel a progival. A
+// doxygen ugyanis ilyet eszik, igy a juzer vizualisan is latja a grafot a
+// doksiban, es sajat maga is le tudja futtatni az algoritmust, mert ott van
+// a kezeben a dim file is. Es mivel ez egy generalt file, ezert ha vmit
+// valtoztatunk a dim-en, ezt is konnyu bemasolni. Uff.
+
 
 #include <iostream>
@@ -18 +28 @@
 using std::endl;
 
-int main()
-{    
+int main(int argc, char *argv[]) 
+{
+  if(argc<2)
+  {
+      std::cerr << "USAGE: sub_graph_adaptor_demo input_file.dim" << std::endl;
+      std::cerr << "The file 'input_file.dim' has to contain a max flow instance in DIMACS format (e.g. sub_graph_adaptor_demo.dim is such a file)." << std::endl;
+      return 0;
+  }
+
+
+  //input stream to read the graph from
+  std::ifstream is(argv[1]);
+
   typedef SmartGraph Graph;
 
@@ -32 +53 @@
   LengthMap length(g);
 
-  readDimacs(std::cin, g, length, s, t);
+  readDimacs(is, g, length, s, t);
 
   cout << "digraph lemon_dot_example {" << endl;