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February 24, 2017 18:25
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| public class ASCIIHistogramMaker { | |
| public static void main(String[] args){ | |
| String inFile="/data/challenge302intermediate.txt"; | |
| // ArrayList<int[]> graphData = new ArrayList<int[]>(); | |
| ArrayList<String> input = new ChallengeInput() | |
| .getInputByLines(ASCIIHistogramMaker.class, inFile); | |
| //take first line as the chart bounds and create new BarChart with those bounds | |
| IntBasedBarChart chart = new IntBasedBarChart(input.remove(0).split(" ")); | |
| //take next line as the number of chart elements | |
| int size = Integer.parseInt(input.remove(0)); | |
| for(int i=0; i<size ;i++){ | |
| // System.out.println("Parsing: graph data line=\""+input.get(i)+"\""); | |
| chart.addData(stringArraytoIntArray(input.get(i).split(" "))); | |
| }//end adding all lines | |
| printChart(chart, size); | |
| }//end main | |
| private static void printChart(IntBasedBarChart c, int size){ | |
| ArrayList<int[]> data = c.getData(); | |
| if (data.size() == size){ | |
| //what is the step between elements | |
| int step = ((c.getBounds().getMaxX() - c.getBounds().getMinX()) / size); | |
| //find the MAX # of chars for each entry in the chart | |
| //if chart starts at 0 and goes to 100, the step should be 3 chars | |
| int charStep = String.valueOf(c.getMaxX()).length(); | |
| char chartChar = '*'; | |
| int numColumns=((size+1)*(charStep+1)); | |
| int yAxisCharMax = String.valueOf(c.getMaxY()).length(); | |
| for(int y=c.getMaxY();y>=c.getMinY();y--){ | |
| System.out.print(String.format("%0"+yAxisCharMax+"d",y)); | |
| int maxX = 0; | |
| for(int x = 1;x<numColumns;x++){ | |
| //need to find if the current column is a printing column | |
| if(x % (charStep+1) == 0 && x >0){ | |
| //calc the current column in the data, check the value | |
| //if the data value is <= current y axis, print chartChar | |
| if(y <= data.get(x/(charStep+1)-1)[2]){ | |
| System.out.print(chartChar); | |
| } else {//Y is > data value, so print space | |
| System.out.print(" "); | |
| } | |
| } else {//not a printing column, print space | |
| System.out.print(" "); | |
| } | |
| maxX = x; | |
| }//end looping through x Axis | |
| //print newline at the end of the X axis on this level of Y axis | |
| System.out.println();//end the printed line | |
| }//end of loop on data | |
| //print the X axis | |
| System.out.print(StringUtils.repeat(" ", yAxisCharMax)); | |
| for(int[] d: c.getData()){ | |
| System.out.print(String.format("%0"+String.valueOf(c.getMaxX()).length()+"d", d[0])+" "); | |
| } | |
| System.out.println(String.valueOf(c.getMaxX())); | |
| }//the data we got returned is the expected size | |
| else { | |
| System.out.println("ERROR: data size \""+data.size()+"\" is !="+size); | |
| } | |
| } |
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