Clarify license info (#79)

README.md

@@ -82,4 +82,11 @@ HyperCoast supports the reading and visualization of hyperspectral data from var
 
 ## Acknowledgement
 
-The HyperCoast project draws inspiration from the [nasa/EMIT-Data-Resources](https://github.com/nasa/EMIT-Data-Resources) repository. Credit goes to the original authors. We also acknowledge the NASA EMIT program support through grant no. 80NSSC24K0865.
+The HyperCoast project draws inspiration from the [nasa/EMIT-Data-Resources](https://github.com/nasa/EMIT-Data-Resources) repository. Credits to the original authors. We also acknowledge the NASA EMIT program support through grant no. 80NSSC24K0865.
+
+## License
+
+HyperCoast is released under the MIT License. However, some of the modules in HyperCoast adapt code from other open-source projects, which may have different licenses. Please refer to the license notice in each module for more information. Credits to the original authors.
+
+-   [pace.py](https://github.com/opengeos/HyperCoast/blob/main/hypercoast/pace.py): Part of the code is adapted from the [nasa/EMIT-Data-Resources](https://github.com/nasa/EMIT-Data-Resources) repository, which is released under the Apache License 2.0.
+-   [aviris.py](https://github.com/opengeos/HyperCoast/blob/main/hypercoast/aviris.py): Part of the code is adapted from the [jjmcnelis/aviris-ng-notebooks](https://github.com/jjmcnelis/aviris-ng-notebooks), which is released under the MIT License.

docs/index.md

@@ -81,4 +81,11 @@ HyperCoast supports the reading and visualization of hyperspectral data from var
 
 ## Acknowledgement
 
-The HyperCoast project draws inspiration from the [nasa/EMIT-Data-Resources](https://github.com/nasa/EMIT-Data-Resources) repository. Credit goes to the original authors. We also acknowledge the NASA EMIT program support through grant no. 80NSSC24K0865.
+The HyperCoast project draws inspiration from the [nasa/EMIT-Data-Resources](https://github.com/nasa/EMIT-Data-Resources) repository. Credits to the original authors. We also acknowledge the NASA EMIT program support through grant no. 80NSSC24K0865.
+
+## License
+
+HyperCoast is released under the MIT License. However, some of the modules in HyperCoast adapt code from other open-source projects, which may have different licenses. Please refer to the license notice in each module for more information. Credits to the original authors.
+
+-   [pace.py](https://github.com/opengeos/HyperCoast/blob/main/hypercoast/pace.py): Part of the code is adapted from the [nasa/EMIT-Data-Resources](https://github.com/nasa/EMIT-Data-Resources) repository, which is released under the Apache License 2.0.
+-   [aviris.py](https://github.com/opengeos/HyperCoast/blob/main/hypercoast/aviris.py): Part of the code is adapted from the [jjmcnelis/aviris-ng-notebooks](https://github.com/jjmcnelis/aviris-ng-notebooks), which is released under the MIT License.

hypercoast/aviris.py

@@ -1,7 +1,8 @@
 """This module contains functions to read and process NASA AVIRIS hyperspectral data.
 More info about the data can be found at https://aviris.jpl.nasa.gov.
-The source code is adapted from https://bit.ly/4bRCgqs. Credit goes to the
-original authors.
+A portion of the source code is adapted from the jjmcnelis/aviris-ng-notebooks repository
+available at https://bit.ly/4bRCgqs. It is licensed under the MIT License. Credit goes to the
+original author Jack McNelis.
 """
 
 import rioxarray

hypercoast/emit.py

@@ -3,9 +3,21 @@
 doing things like opening and flattening the data to work in xarray, orthorectification,
 and visualization.
 
-Some source code is adapted from https://github.com/nasa/EMIT-Data-Resources.
+Some source code is adapted from https://github.com/nasa/EMIT-Data-Resource,
+which is licensed under the Apache License 2.0.
 Credits to the original authors, including Erik Bolch, Alex Leigh, and others.
 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 """
 
 import os
@@ -271,6 +283,10 @@ def emit_to_image(
     return array_to_image(ds, transpose=False, output=output, **kwargs)
 
 
+########### This source code below is adapted from the EMIT-Data-Resource repository ###########
+########### It is licensed under the Apache License 2.0 ########################################
+
+
 def emit_xarray(
     filepath: str,
     ortho: Optional[bool] = False,
@@ -1035,3 +1051,7 @@ def ortho_browse(
     da = xr.DataArray(ortho_data, dims=["band", "y", "x"], coords=coords)
     da.rio.write_crs(spatial_ref, inplace=True)
     return da
+
+
+########### This source code above is adapted from the EMIT-Data-Resource repository ###########
+########### It is licensed under the Apache License 2.0 ########################################