diff --git a/ale/base/base.py b/ale/base/base.py
index bf6ad36fadff4496e57c9e265211738414f4f8e0..1df9c7e0b2acd0f6825d3d3c19e60f46e7c8e53d 100644
--- a/ale/base/base.py
+++ b/ale/base/base.py
@@ -1,6 +1,9 @@
import pvl
import json
+import tempfile
+import os
+
class Driver():
"""
Base class for all Drivers.
@@ -323,3 +326,61 @@ class Driver():
@property
def short_mission_name(self):
return self.__module__.split('.')[-1].split('_')[0]
+
+ @property
+ def projection(self):
+ if not hasattr(self, "_projection"):
+ try:
+ from osgeo import gdal
+ except:
+ self._projection = ""
+ return self._projection
+
+ if isinstance(self._file, pvl.PVLModule):
+ # save it to a temp folder
+ with tempfile.NamedTemporaryFile() as tmp:
+ tmp.write(pvl.dumps(self._file))
+
+ geodata = gdal.Open(tempfile.name)
+ self._projection = geodata.GetSpatialRef()
+ else:
+ # should be a path
+ if not os.path.exists(self._file):
+ self._projection = ""
+ else:
+ geodata = gdal.Open(self._file)
+ self._projection = geodata.GetSpatialRef()
+
+ # is None if not projected
+ if self._projection:
+ self._projection = self._projection.ExportToProj4()
+ else:
+ self._projection = ""
+ return self._projection
+
+
+ @property
+ def geotransform(self):
+ if not hasattr(self, "_geotransform"):
+ try:
+ from osgeo import gdal
+ except:
+ self._geotransform = (0.0, 1.0, 0.0, 0.0, 0.0, 1.0)
+ return self._geotransform
+
+ if isinstance(self._file, pvl.PVLModule):
+ # save it to a temp folder
+ with tempfile.NamedTemporaryFile() as tmp:
+ tmp.write(pvl.dumps(self._file))
+
+ geodata = gdal.Open(tempfile.name)
+ self._geotransform = geodata.GetGeoTransform()
+ else:
+ # should be a path
+ if not os.path.exists(self._file):
+ self._geotransform = (0.0, 1.0, 0.0, 0.0, 0.0, 1.0)
+ else:
+ geodata = gdal.Open(self._file)
+ self._geotransform = geodata.GetGeoTransform()
+
+ return self._geotransform
\ No newline at end of file
diff --git a/ale/formatters/formatter.py b/ale/formatters/formatter.py
index b33287bbf30d0132a81a080e7d57a5a24b23cb71..23968d6275f2b030b2b183b36f8f7e3074824ee9 100644
--- a/ale/formatters/formatter.py
+++ b/ale/formatters/formatter.py
@@ -196,6 +196,8 @@ def to_isd(driver):
meta_data['sun_position'] = sun_position
+ meta_data["projection"] = driver.projection
+ meta_data["geotransform"] = driver.geotransform
# check that there is a valid sensor model name
if 'name_model' not in meta_data:
diff --git a/ale/formatters/usgscsm_formatter.py b/ale/formatters/usgscsm_formatter.py
index d7fd7dba7fe84465548be2103a3ca756236b2347..44438fdac27640ad00863edcd96278a364a75e46 100644
--- a/ale/formatters/usgscsm_formatter.py
+++ b/ale/formatters/usgscsm_formatter.py
@@ -51,6 +51,9 @@ def to_usgscsm(driver):
'unit' : 'm'
}
+ isd_data["projection"] = driver.projection
+ isd_data["geotransform"] = driver.geotransform
+
# shared isd keywords for Framer and Linescanner
if isinstance(driver, LineScanner) or isinstance(driver, Framer):
# exterior orientation for just Framer and LineScanner
diff --git a/environment.yml b/environment.yml
index 7b84927f70d2650a404237c4f229bcb64be5f8c7..b4c11109f251a24c854a6ec9597e8dbdc5a23f09 100644
--- a/environment.yml
+++ b/environment.yml
@@ -7,6 +7,7 @@ dependencies:
- cmake>=3.15
- pytest
- eigen
+ - gdal
- jupyter
- nlohmann_json
- numpy
diff --git a/include/ale/Util.h b/include/ale/Util.h
index d27244f30a791cae14ecbcb6ab79fb51347f5d66..dbc50be69b75e13dcf049fe0e08c7598d1a26080 100644
--- a/include/ale/Util.h
+++ b/include/ale/Util.h
@@ -34,6 +34,8 @@ namespace ale {
std::string getPlatformName(nlohmann::json isd);
std::string getLogFile(nlohmann::json isd);
std::string getIsisCameraVersion(nlohmann::json isd);
+ std::string getProjection(nlohmann::json isd);
+
int getTotalLines(nlohmann::json isd);
int getTotalSamples(nlohmann::json isd);
double getStartingTime(nlohmann::json isd);
@@ -45,6 +47,7 @@ namespace ale {
double getFocalLengthUncertainty(nlohmann::json isd);
std::vector<double> getFocal2PixelLines(nlohmann::json isd);
std::vector<double> getFocal2PixelSamples(nlohmann::json isd);
+ std::vector<double> getGeoTransform(nlohmann::json isd);
double getDetectorCenterLine(nlohmann::json isd);
double getDetectorCenterSample(nlohmann::json isd);
double getDetectorStartingLine(nlohmann::json isd);
diff --git a/recipe/meta.yaml b/recipe/meta.yaml
index c96b750a3eecdada49d235f9be7952d8c9eb0977..7ca81bb528c3a722a2161437e07ea4df1c30afc6 100644
--- a/recipe/meta.yaml
+++ b/recipe/meta.yaml
@@ -31,7 +31,9 @@ requirements:
- scipy >=1.4.0
- spiceypy >=4.0.1
- pyyaml
-
+ run_contrained:
+ - gdal
+
test:
imports:
- ale
diff --git a/src/Util.cpp b/src/Util.cpp
index 297c46c1cb8ffd580cfe1147e4c480098ff30f92..25fbd401f7d35a18390433bf77b3c123a2d3918b 100644
--- a/src/Util.cpp
+++ b/src/Util.cpp
@@ -37,6 +37,31 @@ std::string getImageId(json isd) {
return id;
}
+
+std::vector<double> getGeoTransform(json isd) {
+ std::vector<double> transform = {};
+ try {
+ transform = isd.at("geotransform").get<std::vector<double>>();
+ } catch (std::exception &e) {
+ std::string originalError = e.what();
+ std::string msg = "Could not parse the geo_transform. ERROR: \n" + originalError;
+ throw std::runtime_error(msg);
+ }
+ return transform;
+}
+
+
+std::string getProjection(json isd) {
+ std::string projection_string = "";
+ try {
+ projection_string = isd.at("projection");
+ } catch (...) {
+ throw std::runtime_error("Could not parse the projection string.");
+ }
+ return projection_string;
+}
+
+
std::string getSensorName(json isd) {
std::string name = "";
try {
diff --git a/tests/ctests/IsdTests.cpp b/tests/ctests/IsdTests.cpp
index 23fe47737d557a42f3838b261eea5d57aced44e9..fb6a34dc69a5eaa1dbf714ba1f9059e553575166 100644
--- a/tests/ctests/IsdTests.cpp
+++ b/tests/ctests/IsdTests.cpp
@@ -77,6 +77,22 @@ TEST(Isd, LogFile) {
EXPECT_STREQ(ale::getLogFile(j).c_str(), "fake/path");
}
+
+TEST(Isd, Projection) {
+ nlohmann::json proj;
+ proj["projection"] = "totally a proj4 string";
+ proj["geotransform"] = {0.0, 1.0, 0.0, 0.0, 0.0, 1.0};
+
+ std::vector<double> coeffs = ale::getGeoTransform(proj);
+ std::string proj4str = ale::getProjection(proj);
+ EXPECT_EQ(proj4str, "totally a proj4 string");
+ ASSERT_EQ(coeffs.size(), 6);
+ EXPECT_DOUBLE_EQ(coeffs[1], 1.0);
+ EXPECT_DOUBLE_EQ(coeffs[5], 1.0);
+ EXPECT_DOUBLE_EQ(coeffs[0], 0.0);
+}
+
+
TEST(Isd, TransverseDistortion) {
nlohmann::json trans;
trans["optical_distortion"]["transverse"]["x"] = {1};
@@ -571,6 +587,21 @@ TEST(Isd, BadStartingDetector) {
}
}
+
+TEST(Isd, BadProjection) {
+ nlohmann::json proj;
+ proj["projection"] = NULL;
+
+ try {
+ std::string proj4str = ale::getProjection(proj);
+ FAIL() << "Expected exception to be thrown";
+ }
+ catch(std::exception &e) {
+ EXPECT_EQ(std::string(e.what()), "Could not parse the projection string.");
+ }
+}
+
+
TEST(Isd, BadFocal2Pixel) {
std::string bad_json_str("{}");
try {
diff --git a/tests/pytests/data/B10_013341_1010_XN_79S172W/B10_013341_1010_XN_79S172W_isis3.lbl b/tests/pytests/data/B10_013341_1010_XN_79S172W/B10_013341_1010_XN_79S172W_isis3.lbl
index 11154754240765653ea69ceb2b3c55e836815478..504171f0034eceacbd543e205513f30f39511b9d 100644
--- a/tests/pytests/data/B10_013341_1010_XN_79S172W/B10_013341_1010_XN_79S172W_isis3.lbl
+++ b/tests/pytests/data/B10_013341_1010_XN_79S172W/B10_013341_1010_XN_79S172W_isis3.lbl
@@ -69,6 +69,25 @@ Object = IsisCube
Source = isis
End_Group
+ Group = Mapping
+ ProjectionName = Sinusoidal
+ CenterLongitude = 148.36859083039
+ TargetName = MARS
+ EquatorialRadius = 3396190.0 <meters>
+ PolarRadius = 3376200.0 <meters>
+ LatitudeType = Planetocentric
+ LongitudeDirection = PositiveEast
+ LongitudeDomain = 360
+ MinimumLatitude = 63.636322793577
+ MaximumLatitude = 87.296295823424
+ MinimumLongitude = 139.6658284858
+ MaximumLongitude = 157.07135317498
+ UpperLeftCornerX = -219771.1526456 <meters>
+ UpperLeftCornerY = 5175537.8728989 <meters>
+ PixelResolution = 1455.4380969907 <meters/pixel>
+ Scale = 40.726361118253 <pixels/degree>
+ End_Group
+
Group = AlphaCube
AlphaSamples = 5000
AlphaLines = 24576
diff --git a/tests/pytests/test_load.py b/tests/pytests/test_load.py
index 20776a9f2c46ae982a0929e2fffc5466e359ee53..8c7e291c37e5f5f1eee0e447118741245b67b54c 100644
--- a/tests/pytests/test_load.py
+++ b/tests/pytests/test_load.py
@@ -73,12 +73,10 @@ def test_load_mes_from_metakernels(tmpdir, monkeypatch, mess_kernels):
mk_file.write(mk_str)
usgscsm_isd_obj = ale.load(label_file, verbose=True)
-
assert usgscsm_isd_obj['name_platform'] == 'MESSENGER'
assert usgscsm_isd_obj['name_sensor'] == 'MERCURY DUAL IMAGING SYSTEM NARROW ANGLE CAMERA'
assert usgscsm_isd_obj['name_model'] == 'USGS_ASTRO_FRAME_SENSOR_MODEL'
-
def test_load_mes_with_no_metakernels(tmpdir, monkeypatch, mess_kernels):
monkeypatch.setenv('ALESPICEROOT', str(tmpdir))
diff --git a/tests/pytests/test_mex_drivers.py b/tests/pytests/test_mex_drivers.py
index 650d9b478e362424dfb0fd7cdba023af981ab768..ec5035c28233c92f10c745b188706799ae82a18d 100644
--- a/tests/pytests/test_mex_drivers.py
+++ b/tests/pytests/test_mex_drivers.py
@@ -202,7 +202,9 @@ def usgscsm_compare_dict():
"t0_ephemeris": -101.83713859319687,
"dt_ephemeris": 40.734855437278746,
"t0_quaternion": -101.83713859319687,
- "dt_quaternion": 40.734855437278746
+ "dt_quaternion": 40.734855437278746,
+ "projection" : "",
+ "geotransform" : (0.0, 1.0, 0.0, 0.0, 0.0, 1.0)
},
"isis" :
diff --git a/tests/pytests/test_usgscsm_formatter.py b/tests/pytests/test_usgscsm_formatter.py
index 9a9ae6d604e82339d0c4d43339a434afe36a7ede..70ecb641c40d18e59a9dedc0e89fa3cc7fe85001 100644
--- a/tests/pytests/test_usgscsm_formatter.py
+++ b/tests/pytests/test_usgscsm_formatter.py
@@ -9,6 +9,8 @@ from ale.transformation import FrameChain
from ale.base.data_naif import NaifSpice
from ale.rotation import ConstantRotation, TimeDependentRotation
+from conftest import get_image_label
+
class TestDriver(Driver, NaifSpice):
"""
Test Driver implementation with dummy values
@@ -342,3 +344,20 @@ def test_line_scan_sun_position(test_line_scan_driver):
assert sun_position_obj['positions'] == [[0, 1, 2], [3, 4, 5]]
assert sun_position_obj['velocities'] == [[0, -1, -2], [-3, -4, -5]]
assert sun_position_obj['unit'] == 'm'
+
+def test_no_projection(test_frame_driver):
+ isd = usgscsm_formatter.to_usgscsm(test_frame_driver)
+ # isn't using real projection so it should be None
+ assert isd['projection'] == None
+
+def test_isis_projection():
+ isd = usgscsm_formatter.to_usgscsm(TestLineScanner(get_image_label('B10_013341_1010_XN_79S172W', "isis3")))
+ assert isd["projection"] == "+proj=sinu +lon_0=148.36859083039 +x_0=0 +y_0=0 +R=3396190 +units=m +no_defs"
+
+
+def test_isis_geotransform():
+ isd = usgscsm_formatter.to_usgscsm(TestLineScanner(get_image_label('B10_013341_1010_XN_79S172W', "isis3")))
+ expected = (-219771.1526456, 1455.4380969907, 0.0, 5175537.8728989, 0.0, -1455.4380969907)
+ for value, truth in zip(isd["geotransform"], expected):
+ pytest.approx(value, truth)
+