Added ignore_rotation to GeoArray.show(). Updated version info.

Signed-off-by: Daniel Scheffler <danschef@gfz-potsdam.de>

geoarray/baseclasses.py

@@ -1043,7 +1043,7 @@ class GeoArray(object):
             dill.dump(self, outF)
 
     def _get_plottable_image(self, xlim=None, ylim=None, band=None, boundsMap=None, boundsMapPrj=None, res_factor=None,
-                             nodataVal=None, out_prj=None):
+                             nodataVal=None, out_prj=None, ignore_rotation=False):
         # handle limits
         if boundsMap:
             boundsMapPrj = boundsMapPrj if boundsMapPrj else self.prj
@@ -1064,7 +1064,7 @@ class GeoArray(object):
             image2plot = image2plot.astype(np.int32)
 
         # rotated images always have to be resampled for plotting
-        if gt[2] or gt[4]:
+        if not ignore_rotation and gt[2] or gt[4]:
             out_prj = out_prj or self.projection
 
         if res_factor != 1. and image2plot.shape[0] * image2plot.shape[1] > 1e6:  # shape > 1000*1000
@@ -1095,7 +1095,7 @@ class GeoArray(object):
 
     def show(self, xlim=None, ylim=None, band=None, boundsMap=None, boundsMapPrj=None, figsize=None,
              interpolation='none', vmin=None, vmax=None, pmin=2, pmax=98, cmap=None, nodataVal=None,
-             res_factor=None, interactive=False, ax=None):
+             res_factor=None, interactive=False, ax=None, ignore_rotation=False):
         """Plots the desired array position into a figure.
 
         :param xlim:            [start_column, end_column]
@@ -1117,6 +1117,8 @@ class GeoArray(object):
         :param interactive:     <bool> activates interactive plotting based on 'holoviews' library.
                                 NOTE: this deactivates the magic '% matplotlib inline' in Jupyter Notebook
         :param ax:              <matplotlib.axis>   only usable in non-interactive mode
+        :param ignore_rotation: whether to ignore an image rotation angle included in the GDAL GeoTransform tuple for
+                                plotting (default: False)
         :return:
         """
 
@@ -1126,7 +1128,7 @@ class GeoArray(object):
         nodataVal = nodataVal if nodataVal is not None else self.nodata if self.nodata is not None else -9999
         image2plot, gt, prj = \
             self._get_plottable_image(xlim, ylim, band, boundsMap=boundsMap, boundsMapPrj=boundsMapPrj,
-                                      res_factor=res_factor, nodataVal=nodataVal)
+                                      res_factor=res_factor, nodataVal=nodataVal, ignore_rotation=ignore_rotation)
 
         # set color palette
         palette = plt.get_cmap(cmap) if cmap and isinstance(cmap, str) else cmap if cmap else plt.get_cmap('gray')

geoarray/version.py

-__version__ = '0.8.17'
-__versionalias__ = '20190510.01'
+__version__ = '0.8.18'
+__versionalias__ = '20190514.01'