ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, KEEP THIS TEXT BOX this slide includes some ESRI fonts. when you save this presentation, use File > Save As > Tools (upper right) > Save Options > Embed TrueType Fonts (all characters) this will allow vector maps created with common ESRI symbols to show on computers that do not have ESRI software loaded a a a a a a a a a a a a a ESRM 250/CFR 520 Winter, 2010 Phil Hurvitz (with thanks to J. Lawler & P. Schiess) ArcMap Basics 1 of 49
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Overview Getting data into ArcMap Displaying layers Layer display properties ArcMap Basics 2 of 49
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Overview Getting data into ArcMap Displaying layers Layer display properties 3 of 49 ArcMap Basics
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Layer feature types Spatial data sources for layers Data frames Adding a feature layer to a data frame Adding a layer from x,y coordinates Layer tables Map document 4 of 49 Getting data into ArcMap
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Vector Data points (e.g., wells, utility poles, bird nests), lines (e.g., roads, streams, utility lines), polygons (e.g., cities, forest stands, PLSS sections, counties) Raster Data photographic, satellite, grids 5 of 49 Getting data into ArcMap: Layer feature types
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Spatial data sources for vector data ESRI geodatabases ESRI shapefiles ASCII files, database files GPS output And many many more May require data conversion using ArcCatalog 6 of 49 Getting data into ArcMap: Layers
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Additional raster data sources for layers ERDAS Imagine Generic image formats BSQ (band sequential), BIL (band interleave by line), and BIP (band interleave by pixel) Sun raster files BMP Run-length compressed (RLC) files JPEG compressed images ArcInfo's image catalog ArcInfo grid Generic raster (ASCII, binary) and more…. 7 of 49 Getting data into ArcMap: Layers
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Tabular data Can be added to your map document ESRI geodatabases SQL (structured query language) database queries dBase format tables INFO tables Comma or tab delimited ASCII (text) files comma separated values (csv files) tab-separated values or defined width (txt files) OLEDB (object linking and embedding database) tables 8 of 49 Getting data into ArcMap: Tables
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, A map document will always have at least 1 data frame (even if there are no layers present) 9 of 49 Getting data into ArcMap
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Adding a data source to a data frame 10 of 49 Getting data into ArcMap add data button
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, All data sources are added in the same way 11 of 49 Getting data into ArcMap ArcInfo coverage data CAD data
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Adding a data source to a data frame Icons indicate data type 12 of 49 Getting data into ArcMap Polygon Point Line Raster Table
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Adding a data source to a data frame 13 of 49 Getting data into ArcMap layer is added symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Adding a layer from x,y coordinates “event layer” table must have X and Y value fields Field names cannot have spaces 14 of 49 Getting data into ArcMap
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Adding a layer from x,y coordinates points are added to the map document 15 of 49 Getting data into ArcMap
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Attribute tables 16 of 49 Getting data into ArcMap Feature ID Shape Geometry fields Identification fields User attribute fields Entity fields
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Saving a map document (.mxd file) Save EARLY and OFTEN 17 of 49 Saving your work
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Overview Getting data into ArcMap Displaying layers Layer display properties 18 of 49 ArcMap Basics
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Displaying layers Why alter layer display? What do you want to communicate? 19 of 49 Displaying layers raw population population density
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: altering symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: thematic mapping Single symbol A single symbol for each feature Displays location/boundaries
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Unique value Different symbol for each feature Shows variation in value 22 of 49 Displaying layers: thematic mapping
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: thematic mapping Graduated color = “choropleth” Different symbol for each class Displays groups
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: thematic mapping Chart symbol One chart symbol for each feature Good for comparing multiple attributes in table
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: thematic mapping Dot density One dot for a number of individuals For showing count/density for polygon data
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: thematic mapping Graduated symbol Graduated symbol size Displays difference in magnitude
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Classification methods 27 of 49 Displaying layers
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: Classification methods Jenks’ natural breaks Classes are created with breaks at “natural” divisions in the data Display inherent groupings or clumping
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Histogram and statistics available 29 of 49 Displaying layers: Classification methods
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: Classification methods Quantile Each class has about the same number of members Good for uniformly distributed values
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Equal interval Divides data values into equal-sized subranges 31 of 49 Displaying layers: Classification methods
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, of 49 Displaying layers: Classification methods Standard deviation Classes show spread around the mean value Displays variation in data mean
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Normalization of data divides one field by another shows percentage, proportion, or density 33 of 49 Displaying layers: Classification methods raw population population density
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, classes 34 of 49 Displaying layers: Manipulating classes
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, classes with custom labels 35 of 49 Displaying layers: Manipulating classes
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Legends & symbology are controlled with layer properties 36 of 49 Displaying layers: Altering legends
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Symbol selector solid fill polygons; single symbol for all polygons 37 of 49 Displaying layers: Changing symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Changing symbology: polygons different colors for: fill outline 38 of 49 Displaying layers: Changing symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Predefined line symbols 39 of 49 Displaying layers: Changing symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Predefined point marker symbols 40 of 49 Displaying layers: Changing symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Fonts: All installed TrueType fonts are available 41 of 49 Displaying layers: Changing symbology
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Overview Getting data into ArcMap Displaying layers Layer display properties 42 of 49 ArcMap Basics
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Defining layer subsets (definition query) Setting scale thresholds Labeling layer features 43 of 49 Defining layer properties
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Defining layer subsets by default, layers are composed of all features 44 of 49 Defining layer properties
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, An underlying query (“filter”) can be applied 45 of 49 Defining layer properties: Subsets only stands with age > 30 are shown
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Setting scale thresholds allows layers to be displayed at specific scale ranges 46 of 49 Defining layer properties
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Setting scale thresholds zooming will cause features to (dis)appear 47 of 49 Defining layer properties
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Labeling features 48 of 49 Defining layer properties
ESRM 250 & CFR 520: Introduction to GIS © Phil Hurvitz, Readings: WWW: Getting Data Into ArcGIS Maps WWW: Displaying Layers WWW: Changing Layer Display Properties WWW: Sample Data Help: Help topics Assignment #2 due 12:00 noon January 19, submit with Collect It 49 of 49 Assignment