1 files changed, 30 insertions, 0 deletions

diff --git a/SD-VBS/common/toolbox/toolbox_basic/io/readpgm.m b/SD-VBS/common/toolbox/toolbox_basic/io/readpgm.m
new file mode 100755
index 0000000..7aaf998
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/io/readpgm.m
@@ -0,0 +1,30 @@
+function img = pgmread(filename)
+% function img = pgmread(filename)
+%   this is my version of pgmread for the pgm file created by XV.
+%   
+%  this program also corrects for the shifts in the image from pm file.
+
+
+fid = fopen(filename,'r');
+if (fid < 0),
+   error(sprintf('can not find file: %s',filename));
+end
+
+fscanf(fid, 'P5\n');
+cmt = '#';
+while findstr(cmt, '#'),
+  cmt = fgets(fid);
+   if length(findstr(cmt, '#')) ~= 1,
+      YX = sscanf(cmt, '%d %d');
+      y = YX(1); x = YX(2);
+   end
+end
+
+fgets(fid);
+
+%img = fscanf(fid,'%d',size);
+%img = img';
+
+img = fread(fid,[y,x],'uint8');
+img = img';
+fclose(fid);