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Copy file name to clipboardExpand all lines: 01_make_map.qmd
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-`Groups` are a list of groups which you can create or join. Some are invitation only. These are popular when you are working in group projects. For this workshop, we have created a group called [From Maps to Analysis](https://ucsb.maps.arcgis.com/home/group.html?id=92f4de804b2c46eaa70cebc517ecb067#overview){target="_blank"} which contains most of the data layers we will be using.
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-`Content` is where your created or uploaded content is listed. You can make folders in here to organize your layers and features.
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-`Notebooks` is ESRI's version of a Jupyterhub-like environment. You can use ArcPy here. This may not be available to you based on your user role.
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-`Organization` will take you back to our main page. This is not the same as Home.
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-`Scene`, or `Scene Viewer` is where you can create 3D GIS scenes, such as neighborhood models and digital twins.
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-`Map`, or `Map Viewer` is where you can create 2D maps. ***We will be focusing on using the Map Viewer for this workshop.***
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With that introduction, you now have the opportunity to start creating your own map. The goal here is to create a map of the bike infrastructure on campus (bike lanes and line, bike racks as points, buildings as polygons) and to then annotate on top of that some of your personal experience as a bicyclist or pedestrian on campus.
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Make sure you choose a basemap that is easy to follow and is a good reference. The default basemap layer in ArcGIS online is **Topographic**.
When you add an existing layer to your map, it will show up under your `Layers`. When you want to see the layer properties, you can either use the menu on the right hand column to view its properties or use the "..."
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(we call this a "meatball" menu) next to the layer to open the same panel.
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Start by opening a new map in the [Map Viewer](https://ucsb.maps.arcgis.com/apps/mapviewer/index.html).
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=======
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## Step 1: Add layers to your map
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With that introduction, you now have the opportunity to start creating your own map. The goal here is to create a map of the bike infrastructure on campus (bike lanes and line, bike racks as points, buildings as polygons) and to then annotate on top of that some of your personal experience as a bicyclist or pedestrian on campus.
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### Import lines layer (bike paths)
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**I think we should pause here to discuss properties.**
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### *Challenge* Import points layer (bike racks)
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Repeat the above steps to add the feature layer `bike_racks_ucsb` to your map.
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One advantage of those feature layers is that there is often data associated with it. For example, if you click on the three dots on the right of a feature layer you can access their _attribute table_ using "Show table".
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One advantage of those *feature layers* (are we consistent with our nomenclature?) is that there is often data associated with it. For example, if you click on the three dots on the right of a feature layer you can access their _attribute table_ using "Show table".
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{width=90%}
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We will see later how you can leverage those attributes to set the symbology of a layer according to categories or quantities provided by the attribute table. You can also compute new attributes either based on other attributes or geopatial information. However this will be for our second workshop.
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We will see later how you can leverage these attributes to set the symbology of a layer according to categories or quantities provided by the attribute table. You can also compute new attributes either based on other attributes or geospatial information. However this will be for our second workshop.
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### Save your map
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### Save early. Save often.
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Now that you have added the layers to your map, save it by looking for the folder icon in the left menu bar and then selecting the `Save as` option.
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In ArcGIS Online, every time you select the "Adjust size automatically" option, it will reset the size slider to a default value. So make sure to select your desired size **after** enabling that option.
These field names are pretty cryptic. This is often the case with public data. If you want to learn more about this data, navigate over to the feature layer'
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:::
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### Adjust layer transparency based on attribute
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Finally, let's say we wanted to adjust the transparency of cycleways based on the max speed allowed on each bike path. We can do that by changing the style of the `osm_cycleways` layer.
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