import de.fhpotsdam.unfolding.marker.SimplePointMarker; //导入依赖的package包/类
private SimplePointMarker createMarker(PointFeature feature)
{  
	// 如果需要打印PointFeature中的所有内容，将下一行代码去掉注释
	//System.out.println(feature.getProperties());
	
	// 根据给定的PointFeature中的location来创建SimplePointMarker
	SimplePointMarker marker = new SimplePointMarker(feature.getLocation());
	
	Object magObj = feature.getProperty("magnitude");
	float mag = Float.parseFloat(magObj.toString());
	
	// 下面的示例是使用Procession的color方法来生成代表黄色的整数值
    int yellow = color(255, 255, 0);
	
	// TODO : 添加代码，根据地震级别来设计标记的大小和颜色  
    // 注意在上面定义的2个常量：THRESHOLD_MODERATE和 THRESHOLD_LIGHT
    // 可以与这2个值进行比较来确定地震的级别
    
    
    // 返回marker
    return marker;
}
 

import de.fhpotsdam.unfolding.marker.SimplePointMarker; //导入依赖的package包/类
private SimplePointMarker createMarker(PointFeature feature)
{
	int yellow = color(255, 255, 0);
    int red = color(255, 0, 0);
    int blue = color(0, 0, 255);
    
    SimplePointMarker quake = new SimplePointMarker(feature.getLocation());
	
	Object magObj = feature.getProperty("magnitude");
   	float mag = Float.parseFloat(magObj.toString());
   	
   	if (mag < THRESHOLD_LIGHT)
   	{
   		quake.setColor(blue);
   		quake.setRadius(6.0f);
   	}
   	else if (mag < THRESHOLD_MODERATE)
   	{
   		quake.setColor(yellow);
   		quake.setRadius(9.0f);
   	}
   	else
   	{
   		quake.setColor(red);
   		quake.setRadius(12.0f);
   	}
   	
   	return quake;
}
 

import de.fhpotsdam.unfolding.marker.SimplePointMarker; //导入依赖的package包/类
private SimplePointMarker createMarker(PointFeature feature)
{
	// finish implementing and use this method, if it helps.
	return new SimplePointMarker(feature.getLocation());
}
 

import de.fhpotsdam.unfolding.marker.SimplePointMarker; //导入依赖的package包/类
private SimplePointMarker createMarker(PointFeature feature)
{
	// Defining some colors
	int red = color(255, 0, 0);
	int yellow = color(255, 255, 0);
	int blue = color(0, 0, 255);
	
	
	SimplePointMarker marker = new SimplePointMarker(feature.getLocation());
	
	// Getting different properties of the feature
	float magnitude = Float.parseFloat(feature.getProperty("magnitude").toString());
	
	/// Styling the marker according to the feature properties
	
	
	// Higher magnitude earthquakes will have larger SimplePointMarker
	// Setting the radiusIncrement according to the magnitudes 
	// default 5
	float radiusIncrement = 5;
	
	// Changing the color according to the magnitude intensity
	// high if >= 5.0
	// color = red
	if (magnitude >= 5.0){
		marker.setColor(red);
		radiusIncrement = 10;
	}
	// moderate if >= 4.0 and < 5.0
	// color = yellow
	else if (magnitude >= 4.0 && magnitude < 5.0){
		marker.setColor(yellow);
		// defualt radius increment for moderate
	}
	// minor if < 4.0
	// color = blue
	else if (magnitude < 4.0){
		marker.setColor(blue);
		radiusIncrement = 2;
	}
	
	marker.setRadius(radiusIncrement + magnitude);
	
	return marker;
}