updated bar plot example

README.md

@@ -51,5 +51,8 @@ See the specific examples directories for a full description on each example.
 [Matrix Plot Example](example_matrix_plot)
 ![alt text](example_matrix_plot/images/matrix_plot.png "Matrix Plot Example")
 
+[Bar Plot Example](example_bar_plot)
+![alt text](example_bar_plot/images/bar_plot.png "Bar Plot Example")
+
 ##License
 The ofxGRT is available under a MIT license.

example_bar_plot/README.md

@@ -0,0 +1,24 @@
+##Bar Plot Example
+
+This example demonstrates the how to use ofxGrt Bar Plot class. 
+
+The example will generate a basic sine wave signal and plot this using the bar plot class.
+
+![alt text](images/bar_plot.png "Bar Plot Example")
+
+##Building and running the example
+On OS X and Linux, you can build this example by running the following command in terminal:
+
+````
+cd THIS_DIRECTORY
+make -j4
+````
+
+To run the example, run the following in terminal:
+
+````
+make run
+````
+
+##Using the example
+To use this example, simply build and run it.

example_bar_plot/src/ofApp.cpp

@@ -14,7 +14,6 @@ void ofApp::setup(){
     //Setup the plot
     plot1.setup( NUM_DIMENSIONS, "sine data");
     plot1.setRanges( -1.0, 1.0, true );
-
 }
 
 
@@ -33,11 +32,10 @@ void ofApp::update(){
 //--------------------------------------------------------------
 void ofApp::draw(){
 
-    int zoom = 5;
     int plotX = 10;
     int plotY = 10;
     int plotW = ofGetWidth() - plotX*2;
-    int plotH = 100;
+    int plotH = ofGetHeight() - 20;
 
     ofSetColor(255,255,255);
     ofFill();
@@ -52,6 +50,16 @@ void ofApp::draw(){
 //--------------------------------------------------------------
 void ofApp::keyPressed(int key){
 
+    switch(key){
+        case 'q':
+            {
+                ofImage img;
+                img.grabScreen(0, 0 , ofGetWidth(), ofGetHeight());
+                img.save( ofToDataPath( "screenshot_" + Util::timeAsString() + ".png") );
+            }
+        break;
+    }
+
 }
 
 //--------------------------------------------------------------

example_matrix_plot/README.md

@@ -1,6 +1,6 @@
 ##Matrix Plot Example
 
-This example demonstrates the how to use GRT Matrix Plot class. 
+This example demonstrates the how to use ofxGrt Matrix Plot class. 
 
 The example will generate three matrices, and plot them with the default grayscale plot and using a heatmap texture.