[docs] replace images, adapt text where necessary

Author: jgrewe

docs/source/examples/imageWithMetadata.py

@@ -69,7 +69,7 @@ def plot_data(data_array):
     if docutils.is_running_under_pytest():
         plt.close()
     else:
-        fig.savefig('image_with_metadata.png')
+        fig.savefig('../images/image_with_metadata.png')
         fig.show()
 
 

docs/source/examples/multipleROIs.py

@@ -53,7 +53,7 @@ def plot_data(tag):
     if docutils.is_running_under_pytest():
         plt.close()
     else:
-        # plt.savefig("../images/multiple_rois.png")
+        plt.savefig("../images/multiple_rois.png")
         plt.show()
 
 
@@ -71,7 +71,7 @@ def plot_roi_data(tag):
     if docutils.is_running_under_pytest():
         plt.close()
     else:
-        # fig.savefig('../images/retrieved_rois.png')
+        fig.savefig('../images/retrieved_rois.png')
         plt.show()
 
 

docs/source/examples/singleROI.py

@@ -45,7 +45,7 @@ def plot_data(tag):
     draw_rect(img_data, pos, ext)
     new_img = img.fromarray(img_data)
     if not docutils.is_running_under_pytest():
-        # new_img.save("../images/single_roi.png")
+        new_img.save("../images/single_roi.png")
         new_img.show()
 
 

docs/source/image_data.rst

@@ -16,7 +16,7 @@ attribution in the code.
 
 .. literalinclude:: examples/imageData.py
     :lines: 59-64
-    :caption: Image data is just 3-D data that can be easily stored in a *DataArray*. We need to add three dimension descriptors, though (to run the example you need the :download:`example code <examples/imageData.py>` , the :download:`image <examples/lenna.png>` *imagemagick* or *xv* packages). 
+    :caption: Image data is just 3-D data that can be easily stored in a *DataArray*. We need to add three dimension descriptors, though (to run the example you need the :download:`example code <examples/imageData.py>` , the :download:`image <examples/boats.png>` *imagemagick* or *xv* packages). 
 
 .. image:: examples/lenna.png
     :alt: lenna