Spectral tools (#64)

* renamed ndvi to spectral

* wip adding additional multispectral tools #19

* normalize_data dim swap

* added multispectral tests

* fixed setup file fixes #19

Author: brendancol

setup.py

@@ -7,7 +7,6 @@
       cmdclass=versioneer.get_cmdclass(),
       description='xarray-based spatial analysis tools',
       packages=['xrspatial',
-                'xrspatial.zonal',
                 'xrspatial.tests'],
       install_requires=['datashader', 'pytest'],
       zip_safe=False,

xrspatial/__init__.py

@@ -3,18 +3,29 @@
 from xrspatial.curvature import curvature  # noqa
 from xrspatial.focal import mean  # noqa
 from xrspatial.hillshade import hillshade  # noqa
-from xrspatial.ndvi import ndvi  # noqa
+
+from xrspatial.multispectral import ndvi  # noqa
+from xrspatial.multispectral import arvi  # noqa
+from xrspatial.multispectral import savi  # noqa
+from xrspatial.multispectral import nbr  # noqa
+from xrspatial.multispectral import evi  # noqa
+from xrspatial.multispectral import sipi  # noqa
+
 from xrspatial.perlin import perlin  # noqa
+
 from xrspatial.proximity import euclidean_distance  # noqa
 from xrspatial.proximity import great_circle_distance  # noqa
 from xrspatial.proximity import manhattan_distance  # noqa
 from xrspatial.proximity import proximity  # noqa
+
 from xrspatial.slope import slope  # noqa
 from xrspatial.terrain import generate_terrain  # noqa
 from xrspatial.viewshed import viewshed  # noqa
+
 from xrspatial.zonal import apply as zonal_apply  # noqa
 from xrspatial.zonal import crosstab as zonal_crosstab  # noqa
 from xrspatial.zonal import stats as zonal_stats  # noqa
+
 from xrspatial.classify import quantile  # noqa
 from xrspatial.classify import equal_interval  # noqa
 from xrspatial.classify import natural_breaks  # noqa