Add plot examples

Author: jericks

examples/plot_bar_category.groovy

@@ -0,0 +1,14 @@
+import geoscript.layer.Shapefile
+import geoscript.plot.Bar
+
+def layer = new Shapefile("states.shp")
+def data = [:] as TreeMap
+layer.cursor.each{f ->
+    def letter = f['STATE_NAME'][0]
+    if (!data.containsKey(letter)) {
+        data[letter] = 0
+    }
+    data[letter] = data[letter]  + 1
+}
+
+Bar.category(data).show()

examples/plot_bar_xy.groovy

@@ -0,0 +1,12 @@
+import geoscript.layer.Shapefile
+import geoscript.plot.Bar
+
+def layer = new Shapefile("states.shp")
+def data = layer.cursor.collect{f ->
+    [
+        f['PERSONS'],
+        f['EMPLOYED']
+    ]
+}
+
+Bar.xy(data, title: "# People vs. Employed", yLabel: "Employed", xLabel: "Persons", legend: false).show()

examples/plot_box.groovy

@@ -0,0 +1,4 @@
+import geoscript.plot.Box
+
+Box.box(["A":[1,10,20],"B":[45,39,10],"C":[2,4,9],"D":[14,15,19]]).show()
+

examples/plot_curve.groovy

@@ -0,0 +1,12 @@
+import geoscript.layer.Shapefile
+import geoscript.plot.Curve
+
+def layer = new Shapefile("states.shp")
+def data = layer.cursor.collect{f ->
+    [
+        f['PERSONS'],
+        f['EMPLOYED']
+    ]
+}
+
+Curve.curve(data, title: "# People vs. Employed", yLabel: "Employed", xLabel: "Persons", legend: false).show()

examples/plot_pie.groovy

@@ -0,0 +1,14 @@
+import geoscript.layer.*
+import geoscript.plot.Pie
+
+Layer layer = new Shapefile("states.shp")
+Map data = [:] as TreeMap
+layer.cursor.each {f ->
+    String region = f['SUB_REGION']
+    if (!data.containsKey(region)) {
+        data[region] = 0
+    }
+    data[region] = data[region] + 1
+}
+
+Pie.pie(data, title: "States per Region").show()

examples/plot_regression_linear.groovy

@@ -0,0 +1,12 @@
+import geoscript.layer.Shapefile
+import geoscript.plot.Regression
+
+def layer = new Shapefile("states.shp")
+def data = layer.cursor.collect{f ->
+    [
+            f['PERSONS'],
+            f['EMPLOYED']
+    ]
+}
+
+Regression.linear(data, yLabel: "Employed", xLabel: "Persons", legend: false).show()

examples/plot_regression_power.groovy

@@ -0,0 +1,12 @@
+import geoscript.layer.Shapefile
+import geoscript.plot.Regression
+
+def layer = new Shapefile("states.shp")
+def data = layer.cursor.collect{f ->
+    [
+            f['PERSONS'],
+            f['EMPLOYED']
+    ]
+}
+
+Regression.power(data, yLabel: "Employed", xLabel: "Persons", legend: false).show()

examples/plot_scatter.groovy

@@ -0,0 +1,8 @@
+import geoscript.geom.*
+import geoscript.plot.Scatter
+
+def points = Geometry.createRandomPoints(new Bounds(0,0,100,100).geometry, 100)
+List data = points.geometries.collect{pt ->
+    [pt.x,pt.y]
+}
+Scatter.scatterplot(data).show()