removed full local paths

%% Cell type:markdown id: tags:

# Sensor Utils

%% Cell type:code id: tags:

``` python

import os

os.environ["ISISROOT"] = "/Users/astamile/ISIS3/build"

os.environ["ISISDATA"] = "/Volumes/isis_data1/isis_data/"

from csmapi import csmapi

from knoten import csm, sensor_utils

from knoten.shape import Ellipsoid

from knoten.illuminator import Illuminator

import ale

import json

```

%% Cell type:markdown id: tags:

## Create a usgscsm sensor model

%% Cell type:code id: tags:

``` python

fileName = "data/N1573082850_1.cub"

kernels = ale.util.generate_kernels_from_cube(fileName, expand=True)

isd_string = ale.loads(fileName, props={'kernels': kernels})

csm_isd = os.path.splitext(fileName)[0] + '.json'

with open(csm_isd, 'w') as isd_file:

    isd_file.write(isd_string)

```

%% Cell type:markdown id: tags:

## Run Sensor Utils with usgscsm sensor model and image point

%% Cell type:code id: tags:

``` python

camera = csm.create_csm(csm_isd)

image_pt = csmapi.ImageCoord(511.5, 511.5)

shape = Ellipsoid.from_csm_sensor(camera)

illuminator = Illuminator()

```

%% Cell type:code id: tags:

``` python

phaseAngle = sensor_utils.phase_angle(image_pt, camera, shape, illuminator)

phaseAngle

```

%% Output

    38.87212509629895

%% Cell type:code id: tags:

``` python

emissionAngle = sensor_utils.emission_angle(image_pt, camera, shape)

emissionAngle

```

%% Output

    49.60309924893989

%% Cell type:code id: tags:

``` python

slantDistance = sensor_utils.slant_distance(image_pt, camera, shape)

slantDistance

```

%% Output

    2903512972.146115

%% Cell type:code id: tags:

``` python

targetCenterDistance = sensor_utils.target_center_distance(image_pt, camera)

targetCenterDistance

```

%% Output

    2943536048.858226

%% Cell type:code id: tags:

``` python

subSpacecraftPoint = sensor_utils.sub_spacecraft_point(image_pt, camera)

subSpacecraftPoint

```

%% Output

    LatLon(lat=3.2229625890973583, lon=258.6197326526089)

%% Cell type:code id: tags:

``` python

localRadius = sensor_utils.local_radius(image_pt, camera, shape)

localRadius

```

%% Output

    59096282.024265066

%% Cell type:code id: tags:

``` python

rightAscDec = sensor_utils.right_ascension_declination(image_pt, camera)

rightAscDec

```

%% Output

    (79.34815579474038, -2.7790780986459485)

%% Cell type:code id: tags:

``` python

lineResolution = sensor_utils.line_resolution(image_pt, camera, shape)

lineResolution

```

%% Output

    17397.96094194587

%% Cell type:code id: tags:

``` python

sampleResolution = sensor_utils.sample_resolution(image_pt, camera, shape)

sampleResolution

```

%% Output

    17397.93370038153

%% Cell type:code id: tags:

``` python

pixelResolution = sensor_utils.pixel_resolution(image_pt, camera, shape)

pixelResolution

```

%% Output

    17397.9473211637