diff --git a/plio/camera/__init__.py b/plio/camera/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/plio/camera/csm.py b/plio/camera/csm.py
new file mode 100644
index 0000000000000000000000000000000000000000..b555efc6f23a08a40f25835a0fe2e6960a4e6ff6
--- /dev/null
+++ b/plio/camera/csm.py
@@ -0,0 +1,44 @@
+import datetime
+import json
+
+try:
+ import usgscam as cam
+ from cycsm.isd import Isd
+ camera_support = True
+except:
+ camera_support = False
+import requests
+
+from plio.utils.utils import find_in_dict
+from plio.io.io_json import NumpyEncoder
+
+
+def data_from_cube(header):
+ data = {}
+ data['START_TIME'] = find_in_dict(header, 'StartTime')
+ data['SPACECRAFT_NAME'] = find_in_dict(header, 'SpacecraftName')
+ data['INSTRUMENT_NAME'] = find_in_dict(header, 'InstrumentId')
+ data['SAMPLING_FACTOR'] = find_in_dict(header, 'SpatialSumming')
+ data['SAMPLE_FIRST_PIXEL'] = find_in_dict(header, 'SampleFirstPixel')
+ data['IMAGE'] = {}
+ data['IMAGE']['LINES'] = find_in_dict(header, 'Lines')
+ data['IMAGE']['SAMPLES'] = find_in_dict(header, 'Samples')
+ data['TARGET_NAME'] = find_in_dict(header, 'TargetName')
+ data['LINE_EXPOSURE_DURATION'] = find_in_dict(header, 'LineExposureDuration')
+ data['SPACECRAFT_CLOCK_START_COUNT'] = find_in_dict(header, 'SpacecraftClockCount')
+ return data
+
+def create_camera(obj, url='http://smalls:8002/api/1.0/missions/mars_reconnaissance_orbiter/csm_isd'):
+ if not camera_support:
+ print("Usgscam library not installed. Camera capabilities are disabled")
+
+ data = json.dumps(data_from_cube(obj.metadata), cls=NumpyEncoder)
+ r = requests.post(url, data=data)
+
+ # Get the ISD back and instantiate a local ISD for the image
+ isd = r.json()['data']['isd']
+ i = Isd.loads(isd)
+
+ # Create the plugin and camera as usual
+ plugin = cam.genericls.Plugin()
+ return plugin.from_isd(i, plugin.modelname(0))
\ No newline at end of file
diff --git a/plio/camera/tests/__init__.py b/plio/camera/tests/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/plio/camera/tests/test_csm.py b/plio/camera/tests/test_csm.py
new file mode 100644
index 0000000000000000000000000000000000000000..ce6cf12db5744def7593b0effe083b54fd5cd408
--- /dev/null
+++ b/plio/camera/tests/test_csm.py
@@ -0,0 +1,45 @@
+import datetime
+import json
+from unittest import mock
+
+import pytest
+import pvl
+
+import usgscam
+
+from plio.camera import csm
+from plio.examples import get_path
+
+def mock_requests_post(*args, **kwargs):
+ class MockResponse:
+ def __init__(self, json_data, status_code):
+ self.json_data = json_data
+ self.status_code = status_code
+
+ def json(self):
+ return self.json_data
+
+ if 'mars_reconnaissance_orbiter' in args[0]:
+ with open(get_path('ctx.response'), 'r') as f:
+ resp = json.load(f)
+ return MockResponse(resp, 200)
+
+ return MockResponse(None, 404)
+
+
+@pytest.fixture
+def header():
+ return pvl.load(get_path('ctx.pvl'))
+
+@pytest.fixture
+def req_obj():
+ return
+
+def test_data_from_cube(header):
+ data = csm.data_from_cube(header)
+ assert data['START_TIME'] == datetime.datetime(2008, 9, 17, 5, 8, 10, 820000)
+
+@mock.patch('requests.post', side_effect=mock_requests_post)
+def test_create_camera(header):
+ cam = csm.create_camera(header)
+ assert isinstance(cam, usgscam.genericls.SensorModel)
diff --git a/plio/examples/Pfeffernusse/ctx.response b/plio/examples/Pfeffernusse/ctx.response
new file mode 100644
index 0000000000000000000000000000000000000000..fb991789b2e74675d4632fab13c9c5237a9cdb57
--- /dev/null
+++ b/plio/examples/Pfeffernusse/ctx.response
@@ -0,0 +1,1766 @@
+{
+ "data": {
+ "isd": {
+ "DT_EPHEM": 0.15016,
+ "NUMBER_OF_EPHEM": 167,
+ "T0_QUAT": -12.493312001228333,
+ "MIN_VALID_HT": -8000,
+ "SEMI_MAJOR_AXIS": 3396190,
+ "QUATERNIONS": [
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+ "ITRANSS": [
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+ "IKCODE": -74021,
+ "PLATFORM_ID": "UNKNOWN",
+ "ISIS_Z_DIRECTION": 1,
+ "MAX_VALID_HT": 8000,
+ "TRI_PARAMETERS": [
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+ "TRAJ_ID": "UNKNOWN",
+ "ITRANSL": [
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+ ],
+ "REF_DATE_TIME": "UNKNOWN"
+ },
+ "loaded_kernels": null
+ },
+ "success": true
+}
\ No newline at end of file
diff --git a/plio/io/io_json.py b/plio/io/io_json.py
index a463e6cf7006c4d71b0ca93e0597e9f8534d6591..161a68e4c0c102f3965753074bd98394b98390d3 100644
--- a/plio/io/io_json.py
+++ b/plio/io/io_json.py
@@ -1,6 +1,15 @@
import json
+import numpy as np
+class NumpyEncoder(json.JSONEncoder):
+ def default(self, obj):
+ if isinstance(obj, np.ndarray):
+ return obj.tolist()
+ elif isinstance(obj, datetime.date):
+ return obj.isoformat()
+ return json.JSONEncoder.default(self, obj)
+
def read_json(inputfile):
"""
Read the input json file into a python dictionary.
diff --git a/plio/spatial/footprint.py b/plio/spatial/footprint.py
new file mode 100644
index 0000000000000000000000000000000000000000..43ac6490ee4f23bd2358f9928690868345c25456
--- /dev/null
+++ b/plio/spatial/footprint.py
@@ -0,0 +1,59 @@
+import numpy as np
+import pyproj
+import ogr
+
+def generate_gcps(camera, nnodes=5, semi_major=3396190, semi_minor=3376200):
+ ecef = pyproj.Proj(proj='geocent', a=semi_major, b=semi_minor)
+ lla = pyproj.Proj(proj='latlon', a=semi_major, b=semi_minor)
+
+ isize = camera.imagesize[::-1]
+ x = np.linspace(0,isize[1], 10)
+ y = np.linspace(0,isize[0], 10)
+ boundary = [(i,0.) for i in x] + [(isize[1], i) for i in y[1:]] +\
+ [(i, isize[0]) for i in x[::-1][1:]] + [(0.,i) for i in y[::-1][1:]]
+ gnds = np.empty((len(boundary), 3))
+ for i, b in enumerate(boundary):
+ gnds[i] = camera.imageToGround(*b, 0)
+ lons, lats, alts = pyproj.transform(ecef, lla, gnds[:,0], gnds[:,1], gnds[:,2])
+ lla = np.vstack((lons, lats, alts)).T
+
+ tr = zip(boundary, lla)
+
+ gcps = []
+ for i, t in enumerate(tr):
+ l = '<GCP Id="{}" Info="{}" Pixel="{}" Line="{}" X="{}" Y="{}" Z="{}" />'.format(i, i, t[0][1], t[0][0], t[1][0], t[1][1], t[1][2])
+ gcps.append(l)
+
+ return gcps
+
+def generate_latlon_footprint(camera, nnodes=5, semi_major=3396190, semi_minor=3376200):
+ ecef = pyproj.Proj(proj='geocent', a=semi_major, b=semi_minor)
+ lla = pyproj.Proj(proj='latlon', a=semi_major, b=semi_minor)
+
+ isize = camera.imagesize[::-1]
+ x = np.linspace(0,isize[1], 10)
+ y = np.linspace(0,isize[0], 10)
+ boundary = [(i,0.) for i in x] + [(isize[1], i) for i in y[1:]] +\
+ [(i, isize[0]) for i in x[::-1][1:]] + [(0.,i) for i in y[::-1][1:]]
+ ring = ogr.Geometry(ogr.wkbLinearRing)
+ for i in boundary:
+ gnd = camera.imageToGround(*i, 0)
+ lons, lats, alts = pyproj.transform(ecef, lla, gnd[0], gnd[1], gnd[2])
+ ring.AddPoint(lons, lats)
+ poly = ogr.Geometry(ogr.wkbPolygon)
+ poly.AddGeometry(ring)
+ return poly
+
+def generate_bodyfixed_footprint(camera, nnodes=5):
+ isize = camera.imagesize[::-1]
+ x = np.linspace(0,isize[1], 10)
+ y = np.linspace(0,isize[0], 10)
+ boundary = [(i,0.) for i in x] + [(isize[1], i) for i in y[1:]] +\
+ [(i, isize[0]) for i in x[::-1][1:]] + [(0.,i) for i in y[::-1][1:]]
+ ring = ogr.Geometry(ogr.wkbLinearRing)
+ for i in boundary:
+ gnd = camera.imageToGround(*i, 0)
+ ring.AddPoint(gnd[0], gnd[1], gnd[2])
+ poly = ogr.Geometry(ogr.wkbPolygon)
+ poly.AddGeometry(ring)
+ return poly
diff --git a/plio/utils/generate_vrt.py b/plio/utils/generate_vrt.py
new file mode 100644
index 0000000000000000000000000000000000000000..e58d755d0767cf28fc2817fe373f6a5613204065
--- /dev/null
+++ b/plio/utils/generate_vrt.py
@@ -0,0 +1,48 @@
+import gdal
+import os
+import jinja2
+import numpy as np
+
+from plio.camera.footprint import generate_gcps
+
+def warped_vrt(camera, raster_size, fpath, outpath=None, no_data_value=0):
+ gcps = generate_gcps(camera)
+ xsize, ysize = raster_size
+
+ if outpath is None:
+ outpath = os.path.dirname(fpath)
+ outname = os.path.splitext(os.path.basename(fpath))[0] + '.vrt'
+ outname = os.path.join(outpath, outname)
+
+ xsize, ysize = raster_size
+ vrt = r'''<VRTDataset rasterXSize="{{ xsize }}" rasterYSize="{{ ysize }}">
+ <Metadata/>
+ <GCPList Projection="{{ proj }}">
+ {% for gcp in gcps -%}
+ {{gcp}}
+ {% endfor -%}
+ </GCPList>
+ <VRTRasterBand dataType="Float32" band="1">
+ <NoDataValue>{{ no_data_value }}</NoDataValue>
+ <Metadata/>
+ <ColorInterp>Gray</ColorInterp>
+ <SimpleSource>
+ <SourceFilename relativeToVRT="0">{{ fpath }}</SourceFilename>
+ <SourceBand>1</SourceBand>
+ <SourceProperties rasterXSize="{{ xsize }}" rasterYSize="{{ ysize }}"
+ DataType="Float32" BlockXSize="512" BlockYSize="512"/>
+ <SrcRect xOff="0" yOff="0" xSize="{{ xsize }}" ySize="{{ ysize }}"/>
+ <DstRect xOff="0" yOff="0" xSize="{{ xsize }}" ySize="{{ ysize }}"/>
+ </SimpleSource>
+ </VRTRasterBand>
+ </VRTDataset>'''
+
+ context = {'xsize':xsize, 'ysize':ysize,
+ 'gcps':gcps,
+ 'proj':'+proj=longlat +a=3396190 +b=3376200 +no_defs',
+ 'fpath':fpath,
+ 'no_data_value':no_data_value}
+ template = jinja2.Template(vrt)
+ tmp = template.render(context)
+ warp_options = gdal.WarpOptions(format='VRT', dstNodata=0)
+ gdal.Warp(outname, tmp, options=warp_options)
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index 00d65c765064654255d7a88374175c3ae5a00b2e..da9adbca18b75b353040151dcbd371556ffd4555 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -49,6 +49,7 @@ requirements:
- pyproj
- cycsm
- usgscam
+ - jinja2
test:
imports: