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census:qgis_using [2025/12/19 21:32] – [Adding files to your project] mlivolsicensus:qgis_using [2025/12/22 19:15] (current) – [Other Data] mlivolsi
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     * Double click the file     * Double click the file
  
-==== Assigning ====+==== Assigning Colors to Areas ==== 
 + 
 +I want each state to have it's own color, and each region to be a gradient of that main color.  
 + 
 +We'll have 4 main map colors (<fc #ff0000>red</fc>/<fc #00ff00>green</fc>/<fc #4682b4>blue</fc>/<fc #ffa500>orangello</fc>)
  
   - In order for each PUMA region to have it’s own color,    - In order for each PUMA region to have it’s own color, 
     - right click the layer      - right click the layer 
-    - Go to Symbology+    - Go to Properties --> Symbology 
 +  - On the VERY UPPER drop down, choose "Categorized"  
 +  - The "Value" is a field that included in the file (a long story). Choose GEOID10 
 +  - Click "Classify" to display all the GEOID10 values 
 +  - For the "Color Ramp", choose a pre-installed theme (like "Reds)
   - In the file, choose a unique value that will identify each individual region    - In the file, choose a unique value that will identify each individual region 
     - (in this case, column PUMACE10)     - (in this case, column PUMACE10)
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   - Click the “Classify” button and all the values will appear next to it’s respective color.   - Click the “Classify” button and all the values will appear next to it’s respective color.
   - Click “OK”   - Click “OK”
 +
 +{{:census:qgis_assign_colors.png?600|}}
 +
 +
 +===== Twisted Map =====
 +
 +If the map appears twisted, you should do the following. On the lower right, click the  box that will look like the following (ie. esri:102100). You’re value will look different
 +
 +{{:census:qgis_twisted_map.png?200|}}
 +
 +
 +Choose WGS_1984_Web_Mercator_Auxiliary_Sphere 
  
  
 +===== Other Data =====
  
 +In other articles, we'll talk about adding other layers (like you would do in Photoshop/Gimp) where data is layered. It's not all just shape files, as you can have points on a map (if you have the lat/lon coordinates) or other maps.
census/qgis_using.1766179973.txt.gz · Last modified: by mlivolsi