Merge pull request #302 from mapbox/issue-301

Add missing keywords: blockxsize, blockysize, tiled

CHANGES.txt

@@ -1,6 +1,10 @@
 Changes
 =======
 
+Maint next
+----------
+- Add missing blockxsize, blockysize, tiled keywords (#301).
+
 0.19.0 (2015-03-25)
 -------------------
 - New rio-calc command (#175).

rasterio/_base.pyx

@@ -395,7 +395,10 @@ cdef class DatasetReader(object):
             'count': self.count,
             'crs': self.crs,
             'transform': self.affine.to_gdal(),
-            'affine': self.affine }
+            'affine': self.affine,
+            'blockxsize': self.block_shapes[0][1],
+            'blockysize': self.block_shapes[0][0],
+            'tiled': self.block_shapes[0][1] != self.width }
         self._read = True
         return m
 

tests/test_meta.py

@@ -0,0 +1,28 @@
+# Tests of dataset meta keywords and dataset creation
+
+import rasterio
+
+
+def test_blocksize_rgb(tmpdir):
+    with rasterio.open('tests/data/RGB.byte.tif') as src:
+        kwds = src.meta
+        assert kwds['blockxsize'] == 791
+        assert kwds['blockysize'] == 3
+        assert kwds['tiled'] is False
+
+def test_blocksize_shade(tmpdir):
+    with rasterio.open('tests/data/shade.tif') as src:
+        kwds = src.meta
+        assert kwds['blockxsize'] == 1024
+        assert kwds['blockysize'] == 8
+        assert kwds['tiled'] is False
+
+def test_copy_meta(tmpdir):
+    with rasterio.open('tests/data/RGB.byte.tif') as src:
+        kwds = src.meta
+    with rasterio.open(
+            str(tmpdir.join('test_copy_meta.tif')), 'w', **kwds) as dst:
+        assert dst.meta['count'] == 3
+        assert dst.meta['blockxsize'] == 791
+        assert dst.meta['blockysize'] == 3
+        assert dst.meta['tiled'] is False