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aflab
astrogeology
Ale
Commits
5645ee2a
Commit
5645ee2a
authored
Dec 14, 2018
by
Kelvin Rodriguez
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removed function from notebook to use the one in ale
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7d316cb3
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notebooks/cpp_load.ipynb
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5645ee2a
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@@ -117,65 +117,6 @@
" \"END\\n\";\n"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
"std::string load(std::string filename) {\n",
" static bool first_run = true;\n",
" if(first_run) {\n",
" // Initialize the Python interpreter but only once.\n",
" first_run = !first_run;\n",
" Py_Initialize();\n",
" atexit(Py_Finalize);\n",
" }\n",
" \n",
" // Import the file as a Python module.\n",
" PyObject *pModule = PyImport_Import(PyUnicode_FromString(\"ale\"));\n",
"\n",
" // Create a dictionary for the contents of the module.\n",
" PyObject *pDict = PyModule_GetDict(pModule);\n",
"\n",
" // Get the add method from the dictionary.\n",
" PyObject *pFunc = PyDict_GetItemString(pDict, \"loads\");\n",
"\n",
" // Create a Python tuple to hold the arguments to the method.\n",
" PyObject *pArgs = PyTuple_New(1);\n",
"\n",
" // Set the Python int as the first and second arguments to the method.\n",
" PyObject *pString = PyUnicode_FromString(filename.c_str());\n",
" PyTuple_SetItem(pArgs, 0, pString);\n",
"\n",
" // Call the function with the arguments.\n",
" PyObject* pResult = PyObject_CallObject(pFunc, pArgs);\n",
"\n",
" // Print a message if calling the method failed.\n",
" if(pResult == NULL) {\n",
" throw \"pResult\";\n",
" }\n",
"\n",
" std::string cResult;\n",
"\n",
" PyObject *temp_bytes = PyUnicode_AsUTF8String(pResult); // Owned reference\n",
" if (temp_bytes != NULL) {\n",
" char *temp_str = PyBytes_AS_STRING(temp_bytes); // Borrowed pointer\n",
" cResult = temp_str; // copy into std::string\n",
" Py_DECREF(temp_str); \n",
" } else {\n",
" throw \"pybytes\";\n",
" }\n",
" \n",
" Py_DECREF(temp_bytes);\n",
" Py_DECREF(pArgs);\n",
" Py_DECREF(pModule);\n",
" Py_DECREF(pString);\n",
" \n",
" return cResult;\n",
"}"
]
},
{
"cell_type": "code",
"execution_count": 4,
...
...
%% Cell type:code id: tags:
```
C++11
#pragma cling add_include_path("/home/krodriguez/repos/ale/include/")
#pragma cling add_include_path("/home/krodriguez/repos/ale/include/json")
#pragma cling add_include_path("/data/big/anaconda3/envs/ale/include/python3.7m")
#pragma cling load("/home/krodriguez/repos/ale/build/libale.so")
```
%% Cell type:code id: tags:
```
C++11
#include "Python.h"
#include "ale.h"
#include <iostream>
#include <string.h>
std::string test_lro_label =
"PDS_VERSION_ID = PDS3\n"
"\n"
"/*FILE CHARACTERISTICS*/\n"
"RECORD_TYPE = FIXED_LENGTH\n"
"RECORD_BYTES = 5064\n"
"FILE_RECORDS = 13313\n"
"LABEL_RECORDS = 1\n"
"^IMAGE = 2\n"
"\n"
"/*DATA IDENTIFICATION*/\n"
"DATA_SET_ID = \"LRO-L-LROC-2-EDR-V1.0\"\n"
"ORIGINAL_PRODUCT_ID = nacl0002fc60\n"
"PRODUCT_ID = M128963531LE\n"
"MISSION_NAME = \"LUNAR RECONNAISSANCE ORBITER\"\n"
"MISSION_PHASE_NAME = \"NOMINAL MISSION\"\n"
"INSTRUMENT_HOST_NAME = \"LUNAR RECONNAISSANCE ORBITER\"\n"
"INSTRUMENT_HOST_ID = LRO\n"
"INSTRUMENT_NAME = \"LUNAR RECONNAISSANCE ORBITER CAMERA\"\n"
"INSTRUMENT_ID = LROC\n"
"LRO:PREROLL_TIME = 2010-05-20T02:57:44.373\n"
"START_TIME = 2010-05-20T02:57:44.720\n"
"STOP_TIME = 2010-05-20T02:57:49.235\n"
"LRO:SPACECRAFT_CLOCK_PREROLL_COUNT = \"1/296017064:22937\"\n"
"SPACECRAFT_CLOCK_START_COUNT = \"1/296017064:45694\"\n"
"SPACECRAFT_CLOCK_STOP_COUNT = \"1/296017069:13866\"\n"
"ORBIT_NUMBER = 4138\n"
"PRODUCER_ID = LRO_LROC_TEAM\n"
"PRODUCT_CREATION_TIME = 2013-09-16T19:57:12\n"
"PRODUCER_INSTITUTION_NAME = \"ARIZONA STATE UNIVERSITY\"\n"
"PRODUCT_TYPE = EDR\n"
"PRODUCT_VERSION_ID = \"v1.8\"\n"
"UPLOAD_ID = \"SC_2010140_0000_A_V01.txt\"\n"
"\n"
"/*DATA DESCRIPTION*/\n"
"TARGET_NAME = \"MOON\"\n"
"RATIONALE_DESC = \"TARGET OF OPPORTUNITY\"\n"
"FRAME_ID = LEFT\n"
"DATA_QUALITY_ID = \"0\"\n"
"DATA_QUALITY_DESC = \"The DATA_QUALITY_ID is set to an 8-bit\n"
" value that encodes the following data quality information for the\n"
" observation. For each bit a value of 0 means FALSE and a value of 1 means\n"
" TRUE. More information about the data quality ID can be found in the LROC\n"
" EDR/CDR SIS, section 3.3 'Label and Header Descriptions'.\n"
" Bit 1: Temperature of focal plane array is out of bounds.\n"
" Bit 2: Threshold for saturated pixels is reached.\n"
" Bit 3: Threshold for under-saturated pixels is reached.\n"
" Bit 4: Observation is missing telemetry packets.\n"
" Bit 5: SPICE information is bad or missing.\n"
" Bit 6: Observation or housekeeping information is bad or missing.\n"
" Bit 7: Spare.\n"
" Bit 8: Spare.\"\n"
"\n"
"/*ENVIRONMENT*/\n"
"LRO:TEMPERATURE_SCS = 4.51 <degC>\n"
"LRO:TEMPERATURE_FPA = 17.88 <degC>\n"
"LRO:TEMPERATURE_FPGA = -12.33 <degC>\n"
"LRO:TEMPERATURE_TELESCOPE = 5.91 <degC>\n"
"LRO:TEMPERATURE_SCS_RAW = 2740\n"
"LRO:TEMPERATURE_FPA_RAW = 2107\n"
"LRO:TEMPERATURE_FPGA_RAW = 3418\n"
"LRO:TEMPERATURE_TELESCOPE_RAW = 2675\n"
"\n"
"/*IMAGING PARAMETERS*/\n"
"CROSSTRACK_SUMMING = 1\n"
"BANDWIDTH = 300 <nm>\n"
"CENTER_FILTER_WAVELENGTH = 600 <nm>\n"
"LINE_EXPOSURE_DURATION = 0.337600 <ms>\n"
"LRO:LINE_EXPOSURE_CODE = 0\n"
"LRO:DAC_RESET_LEVEL = 198\n"
"LRO:CHANNEL_A_OFFSET = 60\n"
"LRO:CHANNEL_B_OFFSET = 123\n"
"LRO:COMPAND_CODE = 3\n"
"LRO:LINE_CODE = 13\n"
"LRO:BTERM = (0,16,69,103,128)\n"
"LRO:MTERM = (0.5,0.25,0.125,0.0625,0.03125)\n"
"LRO:XTERM = (0,64,424,536,800)\n"
"LRO:COMPRESSION_FLAG = 1\n"
"LRO:MODE = 7\n"
"\n"
"/*DATA OBJECT*/\n"
"OBJECT = IMAGE\n"
" LINES = 13312\n"
" LINE_SAMPLES = 5064\n"
" SAMPLE_BITS = 8\n"
" SAMPLE_TYPE = LSB_INTEGER\n"
" UNIT = \"RAW_INSTRUMENT_COUNT\"\n"
" MD5_CHECKSUM = \"0fe91f4b2e93083ee0093e7c8d05f3bc\"\n"
"END_OBJECT = IMAGE\n"
"END\n";
```
%% Cell type:code id: tags:
```
C++11
std::string load(std::string filename) {
static bool first_run = true;
if(first_run) {
// Initialize the Python interpreter but only once.
first_run = !first_run;
Py_Initialize();
atexit(Py_Finalize);
}
// Import the file as a Python module.
PyObject *pModule = PyImport_Import(PyUnicode_FromString("ale"));
// Create a dictionary for the contents of the module.
PyObject *pDict = PyModule_GetDict(pModule);
// Get the add method from the dictionary.
PyObject *pFunc = PyDict_GetItemString(pDict, "loads");
// Create a Python tuple to hold the arguments to the method.
PyObject *pArgs = PyTuple_New(1);
// Set the Python int as the first and second arguments to the method.
PyObject *pString = PyUnicode_FromString(filename.c_str());
PyTuple_SetItem(pArgs, 0, pString);
// Call the function with the arguments.
PyObject* pResult = PyObject_CallObject(pFunc, pArgs);
// Print a message if calling the method failed.
if(pResult == NULL) {
throw "pResult";
}
std::string cResult;
PyObject *temp_bytes = PyUnicode_AsUTF8String(pResult); // Owned reference
if (temp_bytes != NULL) {
char *temp_str = PyBytes_AS_STRING(temp_bytes); // Borrowed pointer
cResult = temp_str; // copy into std::string
Py_DECREF(temp_str);
} else {
throw "pybytes";
}
Py_DECREF(temp_bytes);
Py_DECREF(pArgs);
Py_DECREF(pModule);
Py_DECREF(pString);
return cResult;
}
```
%% Cell type:code id: tags:
```
C++11
std::string label;
```
%% Cell type:code id: tags:
```
C++11
label = load(test_lro_label);
```
%% Cell type:code id: tags:
```
C++11
// label
```
%% Cell type:code id: tags:
```
C++11
using json = nlohmann::json;
json jlabel = json::parse(label)
```
%% Cell type:code id: tags:
```
C++11
std::vector<double> orientations = jlabel.at("sensor_orientation").at(0).get<std::vector<double>>()
```
%% Cell type:code id: tags:
```
C++11
orientations
```
%% Output
{ 0.622216, 0.274174, -0.668159, 0.30206 }
%% Cell type:code id: tags:
```
C++11
```
...
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