Merge pull request #350 from Esri/feddev_presentations

2019 Federal Dev Summit Presentations.
thanks @achapkowski

Author: AtmaMani

talks/FederalDevSummit2019/AdvancedScripting_2019/2019 FedDevSummit Advanced Scripting.pdf

@@ -0,0 +1,136 @@
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+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "# `arcgis` package architecture\n",
+    "![](http://esri.github.io/arcgis-python-api/notebooks/nbimages/guide_api_overview_01.png)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "# Introduction to the `features` module\n",
+    "\n",
+    "    Feature\n",
+    "    FeatureSet\n",
+    "    FeatureLayer / FeatureCollection\n",
+    "    FeatureLayerCollection\n",
+    "    Spatially Enabled DataFrame (not shown below)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "![](http://esri.github.io/arcgis-python-api/notebooks/nbimages/guide_features_01.png)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "Fortune 500 company example\n",
+    " - Each company (single point in space) =  `Feature` object.\n",
+    " - All East-coast companies profit > 5B = `FeatureSet`. A `FeatureSet` is a collection of `Feature` objects.\n",
+    " - When published as a feature service on your GIS. That layer is a `FeatureLayer`.\n",
+    " - The collection of all layers in the feature service is read as a `FeatureLayerCollection` object.\n",
+    " - Alternate to `FeatureLayer` - can store as lightweight item = `FeatureCollection`.\n",
+    "  - `FeatureCollection` is a `FeatureSet` + `layerDefinition` info"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "On your enterprise, your feature data live either as a `FeatureLayer` or `FeatureCollection` which can also be an item without a feature service. The latter has a size limit though"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    " - `Item` object in your enterprise. Eg: fortune_500_2017\n",
+    "  - `Item.layers` property will give either a \n",
+    "    - list of [`FeatureLayer`] objects\n",
+    "    - or a [`FeatureCollection`] object\n",
+    "   \n",
+    " - call the `query()` method on either a `FeatureLayer` or `FeatureCollection` you get\n",
+    "  - `FeatureSet`\n",
+    "  - `features` property of `FeatureSet` gives a list of `[Feature]` objects"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "slideshow": {
+     "slide_type": "slide"
+    }
+   },
+   "source": [
+    "### Where to use what?\n",
+    " - `Feature` - smallest entity. Cannot draw a single feature object.\n",
+    "   - `geometry`, `attributes`, `fields`\n",
+    " \n",
+    " \n",
+    " - `FeatureSet` - inputs to GP, can be drawn on map widget\n",
+    "   - `sdf`, `spatial_reference`, `features`, `fields`\n",
+    " \n",
+    " \n",
+    " - `FeatureCollection` - items in GIS, input to GP, output from GP\n",
+    "  - `query()` [does not support where clause]\n",
+    "  \n",
+    "  \n",
+    " - `FeatureLayer` - through individual layers of a feature services.\n",
+    "  - `query()` [supports where clause], `attachments`\n",
+    "  - `manager`, `edit_features()`, `calculate()`, `query_related_records()`\n",
+    "  \n",
+    "  \n",
+    " - `FeatureLayerCollection` - through publishing as feature services"
+   ]
+  }
+ ],
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