added MaMISS test case

%% Cell type:markdown id: tags:

## Ma_MISS example

This is an example of localization of Ma_MISS frame and instrument reading (derived from the original test script)

%% Cell type:code id: tags:

``` python

import spiceypy

import numpy as np

import matplotlib.pyplot as plt

%matplotlib inline

import os

```

%% Cell type:code id: tags:

``` python

# Set the base_path to the directory of the repo

base_path = '/tmp/a/mamissspice/'

os.chdir( base_path+'/kernels/')

```

%% Cell type:code id: tags:

``` python

# Load the metakernel

spiceypy.furnsh('mk/emrsp_test_rec_0003_v004.tm')

# How many kernel did we load?

spiceypy.ktotal('ALL')

```

%% Output

    ---------------------------------------------------------------------------

    SpiceNOSUCHFILE                           Traceback (most recent call last)

    <ipython-input-49-8f6fa52d0862> in <module>

          1 # Load the metakernel

    ----> 2 spiceypy.furnsh('mk/emrsp_test_rec_0003_v004.tm')

          3

          4 # How many kernel did we load?

          5 spiceypy.ktotal('ALL')

    /usr/local/lib/python3.9/site-packages/spiceypy/spiceypy.py in with_errcheck(*args, **kwargs)

        106         try:

        107             res = f(*args, **kwargs)

    --> 108             check_for_spice_error(f)

        109             return res

        110         except BaseException:

    /usr/local/lib/python3.9/site-packages/spiceypy/spiceypy.py in check_for_spice_error(f)

         89         traceback = qcktrc(200)

         90         reset()

    ---> 91         raise stypes.dynamically_instantiate_spiceyerror(

         92             short=short, explain=explain, long=long, traceback=traceback

         93         )

    SpiceNOSUCHFILE:

================================================================================

Toolkit version: CSPICE66

SPICE(NOSUCHFILE) --

The first file '../fk/emrsp_rm_v007.tf' specified by KERNELS_TO_LOAD in the file mk/emrsp_test_rec_0003_v004.tm could not be located.

furnsh_c --> FURNSH --> ZZLDKER

================================================================================

%% Cell type:code id: tags:

``` python

# Compute 500 time-steps between 2 sols

solStart = spiceypy.str2et("2021 APR 01 23:01:09.185 UTC")

solEnd = spiceypy.str2et("2021 APR 04 23:01:09.1850 UTC")

times = np.linspace(solStart, solEnd, num=500, endpoint=True)

```

%% Cell type:code id: tags:

``` python

# retrieve rover position at there 500 time-steps

rosalind_positions, lttimes = spiceypy.spkpos("EXOMARS ROVER", times, "IAU_MARS", "lt+s", "MARS")

```

%% Cell type:code id: tags:

``` python

# retrieve the position of CLUPI and the DRILL TIP

clupi_positions,    lttimes = spiceypy.spkpos("RM_CLUPI",times, "IAU_MARS", "lt+s", "MARS")

drilltip_positions, lttimes = spiceypy.spkpos("RM_DRILL_TIP_FIX",times, "IAU_MARS", "lt+s", "MARS")

```

%% Cell type:code id: tags:

``` python

# retrieve MaMISS position

mamiss_positions,    lttimes = spiceypy.spkpos("RM_MAMISS",times, "IAU_MARS", "lt+s", "MARS")

```

%% Output

    ---------------------------------------------------------------------------

    SpiceSPKINSUFFDATA                        Traceback (most recent call last)

    <ipython-input-46-9eef3b3a6b89> in <module>

          1 # retrieve MaMISS position

    ----> 2 mamiss_positions,    lttimes = spiceypy.spkpos("RM_MAMISS",times, "IAU_MARS", "lt+s", "MARS")

    /usr/local/lib/python3.9/site-packages/spiceypy/spiceypy.py in with_errcheck(*args, **kwargs)

        105     def with_errcheck(*args, **kwargs):

        106         try:

    --> 107             res = f(*args, **kwargs)

        108             check_for_spice_error(f)

        109             return res

    /usr/local/lib/python3.9/site-packages/spiceypy/spiceypy.py in spkpos(targ, et, ref, abcorr, obs)

      12127         for t in et:

      12128             libspice.spkpos_c(targ, t, ref, abcorr, obs, ptarg, ctypes.byref(lt))

    > 12129             check_for_spice_error(None)

      12130             ptargs.append(stypes.c_vector_to_python(ptarg))

      12131             lts.append(lt.value)

    /usr/local/lib/python3.9/site-packages/spiceypy/spiceypy.py in check_for_spice_error(f)

         89         traceback = qcktrc(200)

         90         reset()

    ---> 91         raise stypes.dynamically_instantiate_spiceyerror(

         92             short=short, explain=explain, long=long, traceback=traceback

         93         )

    SpiceSPKINSUFFDATA:

================================================================================

Toolkit version: CSPICE66

SPICE(SPKINSUFFDATA) --

Insufficient ephemeris data has been loaded to compute the position of -174500 (RM_MAMISS) relative to 0 (SOLAR SYSTEM BARYCENTER) at the ephemeris epoch 2021 APR 01 23:02:18.370.

spkpos_c --> SPKPOS --> SPKEZP --> SPKAPO --> SPKGPS

================================================================================

%% Cell type:code id: tags:

``` python

```