Diviner data tools

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Project links

Homepage

Development Status
- 3 - Alpha
Intended Audience
- Developers
License
- OSI Approved :: Apache Software License
Natural Language
- English
Programming Language
- Python :: 3.7
- Python :: 3.8

Project description

Divinepy

A collection of tools to work with LRO Diviner data.

Install

pip install divinepy

How to use

The provided tools are based primarily on publicly available LRO Diviner and related support data (like lunar digital elevation data).

LOLA DEMS

See the DEMS / Topography tools for more details.

from divinepy.dems import LOLA_TOPO

topo = LOLA_TOPO()

Available data objects in LOLA_TOPO

topo.dem

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html[theme=dark], body.vscode-dark { --xr-font-color0: rgba(255, 255, 255, 1); --xr-font-color2: rgba(255, 255, 255, 0.54); --xr-font-color3: rgba(255, 255, 255, 0.38); --xr-border-color: #1F1F1F; --xr-disabled-color: #515151; --xr-background-color: #111111; --xr-background-color-row-even: #111111; --xr-background-color-row-odd: #313131; }

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.xr-header { padding-top: 6px; padding-bottom: 6px; margin-bottom: 4px; border-bottom: solid 1px var(--xr-border-color); }

.xr-header > div, .xr-header > ul { display: inline; margin-top: 0; margin-bottom: 0; }

.xr-obj-type, .xr-array-name { margin-left: 2px; margin-right: 10px; }

.xr-obj-type { color: var(--xr-font-color2); }

.xr-sections { padding-left: 0 !important; display: grid; grid-template-columns: 150px auto auto 1fr 20px 20px; }

.xr-section-item { display: contents; }

.xr-section-item input { display: none; }

.xr-section-item input + label { color: var(--xr-disabled-color); }

.xr-section-item input:enabled + label { cursor: pointer; color: var(--xr-font-color2); }

.xr-section-item input:enabled + label:hover { color: var(--xr-font-color0); }

.xr-section-summary { grid-column: 1; color: var(--xr-font-color2); font-weight: 500; }

.xr-section-summary > span { display: inline-block; padding-left: 0.5em; }

.xr-section-summary-in:disabled + label { color: var(--xr-font-color2); }

.xr-section-summary-in + label:before { display: inline-block; content: '►'; font-size: 11px; width: 15px; text-align: center; }

.xr-section-summary-in:disabled + label:before { color: var(--xr-disabled-color); }

.xr-section-summary-in:checked + label:before { content: '▼'; }

.xr-section-summary-in:checked + label > span { display: none; }

.xr-section-summary, .xr-section-inline-details { padding-top: 4px; padding-bottom: 4px; }

.xr-section-inline-details { grid-column: 2 / -1; }

.xr-section-details { display: none; grid-column: 1 / -1; margin-bottom: 5px; }

.xr-section-summary-in:checked ~ .xr-section-details { display: contents; }

.xr-array-wrap { grid-column: 1 / -1; display: grid; grid-template-columns: 20px auto; }

.xr-array-wrap > label { grid-column: 1; vertical-align: top; }

.xr-preview { color: var(--xr-font-color3); }

.xr-array-preview, .xr-array-data { padding: 0 5px !important; grid-column: 2; }

.xr-array-data, .xr-array-in:checked ~ .xr-array-preview { display: none; }

.xr-array-in:checked ~ .xr-array-data, .xr-array-preview { display: inline-block; }

.xr-dim-list { display: inline-block !important; list-style: none; padding: 0 !important; margin: 0; }

.xr-dim-list li { display: inline-block; padding: 0; margin: 0; }

.xr-dim-list:before { content: '('; }

.xr-dim-list:after { content: ')'; }

.xr-dim-list li:not(:last-child):after { content: ','; padding-right: 5px; }

.xr-has-index { font-weight: bold; }

.xr-var-list, .xr-var-item { display: contents; }

.xr-var-item > div, .xr-var-item label, .xr-var-item > .xr-var-name span { background-color: var(--xr-background-color-row-even); margin-bottom: 0; }

.xr-var-item > .xr-var-name:hover span { padding-right: 5px; }

.xr-var-list > li:nth-child(odd) > div, .xr-var-list > li:nth-child(odd) > label, .xr-var-list > li:nth-child(odd) > .xr-var-name span { background-color: var(--xr-background-color-row-odd); }

.xr-var-name { grid-column: 1; }

.xr-var-dims { grid-column: 2; }

.xr-var-dtype { grid-column: 3; text-align: right; color: var(--xr-font-color2); }

.xr-var-preview { grid-column: 4; }

.xr-var-name, .xr-var-dims, .xr-var-dtype, .xr-preview, .xr-attrs dt { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: 10px; }

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.xr-attrs, .xr-var-attrs, .xr-var-data { grid-column: 1 / -1; }

dl.xr-attrs { padding: 0; margin: 0; display: grid; grid-template-columns: 125px auto; }

.xr-attrs dt, .xr-attrs dd { padding: 0; margin: 0; float: left; padding-right: 10px; width: auto; }

.xr-attrs dt { font-weight: normal; grid-column: 1; }

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.xr-attrs dd { grid-column: 2; white-space: pre-wrap; word-break: break-all; }

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<xarray.DataArray 'dem' (lat: 23040, lon: 46080)>
dask.array<mul, shape=(23040, 46080), dtype=float64, chunksize=(2048, 4096), chunktype=numpy.ndarray>
Coordinates:
y        (lat) float64 2.729e+06 2.729e+06 ... -2.729e+06 -2.729e+06
x        (lon) float64 -5.458e+06 -5.458e+06 ... 5.458e+06 5.458e+06


lat      (lat) float64 90.0 89.99 89.98 89.98 ... -89.98 -89.98 -89.99 -90.0


lon      (lon) float64 0.0 0.007812 0.01562 0.02344 ... 360.0 360.0 360.0
Attributes: (12/19)
transform:                  (236.901, 0.0, -5458199.04, 0.0, -236.901, 27...
crs:                        +proj=eqc +lat_ts=0 +lat_0=0 +lon_0=180 +x_0=...
res:                        (236.901, 236.901)
is_tiled:                   1
nodatavals:                 (-32768.0,)
scales:                     (0.5,)
...                         ...
PRODUCT_ID:                 "LDEM_128_TOPO_IMG"
START_TIME:                 2009-07-13T17:33:17.246
STOP_TIME:                  2011-11-14T03:44:53
TARGET_NAME:                MOON
long_name:                  Elevation
units:                      m

xarray.DataArray

'dem'

lat: 23040
lon: 46080

dask.array<chunksize=(2048, 4096), meta=np.ndarray>

            <tr>
                <th> Bytes </th>
                <td> 7.91 GiB </td>
                <td> 64.00 MiB </td>
            </tr>

            <tr>
                <th> Shape </th>
                <td> (23040, 46080) </td>
                <td> (2048, 4096) </td>
            </tr>
            <tr>
                <th> Count </th>
                <td> 433 Tasks </td>
                <td> 144 Chunks </td>
            </tr>
            <tr>
            <th> Type </th>
            <td> float64 </td>
            <td> numpy.ndarray </td>
            </tr>
        </tbody>
    </table>
</td>
<td>
<svg width="170" height="110" style="stroke:rgb(0,0,0);stroke-width:1" >

46080 23040

	Array	Chunk

Coordinates: (4)

(lat)

float64

2.729e+06 2.729e+06 ... -2.729e+06

array([ 2728981.0695,  2728744.1685,  2728507.2675, ..., -2728507.2675,
       -2728744.1685, -2728981.0695])

(lon)

float64

-5.458e+06 -5.458e+06 ... 5.458e+06

array([-5458080.5895, -5457843.6885, -5457606.7875, ...,  5457606.7875,
        5457843.6885,  5458080.5895])

lat

(lat)

float64

90.0 89.99 89.98 ... -89.99 -90.0

array([ 90.      ,  89.992187,  89.984374, ..., -89.984374, -89.992187,
       -90.      ])

lon

(lon)

float64

0.0 0.007812 ... 360.0 360.0

array([0.000000e+00, 7.812500e-03, 1.562500e-02, ..., 3.599766e+02,
       3.599844e+02, 3.599922e+02])

Attributes: (19)

transform :: (236.901, 0.0, -5458199.04, 0.0, -236.901, 2729099.52)
crs :: +proj=eqc +lat_ts=0 +lat_0=0 +lon_0=180 +x_0=0 +y_0=0 +R=1737400 +units=m +no_defs=True
res :: (236.901, 236.901)
is_tiled :: 1
nodatavals :: (-32768.0,)
scales :: (0.5,)
offsets :: (1737400.0,)
AREA_OR_POINT :: Area
DATA_SET_ID :: "LRO-L-LOLA-4-GDR-V1.0"
INSTRUMENT_ID :: "LOLA"
INSTRUMENT_NAME :: "LUNAR ORBITER LASER ALTIMETER"
PRODUCER_INSTITUTION_NAME :: "GODDARD SPACE FLIGHT CENTER"
PRODUCT_CREATION_TIME :: 2012-03-15
PRODUCT_ID :: "LDEM_128_TOPO_IMG"
START_TIME :: 2009-07-13T17:33:17.246
STOP_TIME :: 2011-11-14T03:44:53
TARGET_NAME :: MOON
long_name :: Elevation
units :: m

topo.slope