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modif titre notebook
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mdvandamme committed Dec 5, 2024
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16 changes: 4 additions & 12 deletions doc/source/userguide/UG_Selection.ipynb
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"id": "6f18aff3",
"metadata": {},
"source": [
"# Indexing and Selecting GPS tracks\n",
"# Selecting GPS tracks\n",
"\n",
"Our focus on this section concern the selection process on GPS tracks. Given a selection query q, the objective is to find the GPS tracks whose satisfy a temporal or a spatial properties overlap with q. In addition, the process allows the retrieval of tracks that satisfy this properties with q.\n",
"Our focus on this section concern the **selection process on GPS tracks**. Given a selection query q, the objective is to find the GPS tracks whose satisfy a temporal or a spatial properties overlap with q. In addition, the process allows the retrieval of tracks that satisfy this properties with q.\n",
"\n",
"Selection is performed by a selector object, containing an arbitrary number of constraints, combined by OR, AND or XOR operator. Since only a single operator is allowed in the selector, a \"global selector\" is provided to the users to combine the output of several individual selectors. Again, the output may be combined with OR, AND or XOR.\n",
"Selection is performed by a *selector* object, containing an arbitrary number of constraints, combined by OR, AND or XOR operator. Since only a single operator is allowed in the selector, a \"global selector\" is provided to the users to combine the output of several individual selectors. Again, the output may be combined with OR, AND or XOR.\n",
"\n",
"Constraints may be based on:\n",
"- a geometrical shape (Rectangle, circle or polygon in Geometrics). This is the standard type of constraint. Different modes are:\n",
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{
"data": {
"text/plain": [
"<matplotlib.legend.Legend at 0x78ed8c2735e0>"
"<matplotlib.legend.Legend at 0x7249280775e0>"
]
},
"execution_count": 4,
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"trackC24 = c24.select(trk.TrackCollection([trace1, trace2, trace3, trace4]))\n",
"aff (trackC24, 2, 2, 'GETS OUT')\n"
]
},
{
"cell_type": "markdown",
"id": "647a1927",
"metadata": {},
"source": [
"## Track constraint"
]
}
],
"metadata": {
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