[从头学数学] 第53节 年、月、日

剧情提要：
[机器小伟]在[工程师阿伟]的陪同下进入练气期第六层功法的修炼，
这次要修炼的目标是[年、月、日]。

正剧开始：

星历2016年01月20日 13:38:17, 银河系厄尔斯星球中华帝国江南行省。
[工程师阿伟]正在和[机器小伟]一起学习年月日和时间。

星历2016年01月20日 13:40:23, [工程师阿伟]说：在开始之前呢，由于你上一节没有完成
成好[人叫板老师]要求的填充颜色，所以我再给你一个机会，在这里再试一次。[机器小伟]

13:41:29, 小伟很高兴能有另一次的机会，这次，他终于尝试成功了！

阿伟随手画了一张测试图：

小伟给出了下面的解答结果：

虽然并不是十分完美，但小伟依然很开心。

<span style="font-size:18px;">/*** @usage   标记边界点，填充内部域* @author  mw* @date    2016年01月14日  星期四  14:57:23 * @param* @return**/function signBoundPoint(gap1, gap2) {//图片var image = new Image();image.src = "./1.jpg";//只处理这100*100个象素var width = 600;var height = 400;var gap = gap1 ? gap1 : 30;var gap2 = gap2 ? gap2 : 10;//掩码矩阵 边界var maskArray = new Array();//掩码矩阵 内部var maskArray2 = new Array();var map = new Map();var pos = 0;image.onload = function() {plot.drawImage(image);var imagedata = plot.getImageData(0, 0, width, height);//水平方向找差异for (var row = 0; row < height; row++) {for (var col = 1; col < width; col++) {//pos最小为1pos =row * width  + col;if (maskArray[pos] == 1) continue;R0 = imagedata.data[4 * (pos-1)];R1 = imagedata.data[4 * pos];G0 = imagedata.data[4 * (pos-1)+1];G1 = imagedata.data[4 * pos+1];B0 = imagedata.data[4 * (pos-1)+2]B1 = imagedata.data[4 * pos + 2]//简单容差判断if (Math.abs(R1-R0) > gap || Math.abs(G1-G0)>gap || Math.abs(B1-B0)>gap) {maskArray[pos] = 1;map.put(row, col);} else {maskArray[pos] = 0;}}}//垂直方向找差异for (var col = 0; col < width; col++) {for (var row = 1; row < height; row++) {//pos最小为第二行pos =row * width  + col;if (maskArray[pos] == 1) continue;R0 = imagedata.data[4 * (pos-width)];R1 = imagedata.data[4 * pos];G0 = imagedata.data[4 * (pos-width)+1];G1 = imagedata.data[4 * pos+1];B0 = imagedata.data[4 * (pos-width)+2];B1 = imagedata.data[4 * pos + 2];//简单容差判断if (Math.abs(R1-R0) > gap || Math.abs(G1-G0)>gap || Math.abs(B1-B0)>gap) {maskArray[pos] = 1;map.put(row, col);} else {maskArray[pos] = 0;}}}map.sort();//document.body.appendChild(document.createTextNode(map.print()));var size = map.size();var key = 0, value1 = value2 = 0;var valueArray = new Array();for (var i = 0; i < size; i++) {key = map.keys[i];valueArray = map.get(key);var len = valueArray.length;var index = 0;//预判有多少段需填充的线段for (var j = 0; j < len; j++) {value1 = valueArray[j];value2 = valueArray[j+1];if (value2 - value1 > 5 ) {index++;}}//对于奇数段，一般是中间有间隔的空白段if (index % 2 == 1) {index = 0;for (var j = 0; j < len; j++) {value1 = valueArray[j];value2 = valueArray[j+1];if (value2 - value1 > 5 ) {index++;if (index % 2 == 1) {for (var k = value1; k < value2; k++) {pos = key * width + k;if (maskArray[pos] != 1) {maskArray2[pos] = 1;}}}}}}//对于偶数段，应该全部填充else {value1 = valueArray[0];value2 = valueArray[len-1];for (var k = value1; k < value2; k++) {pos = key * width + k;if (maskArray[pos] != 1) {maskArray2[pos] = 1;}}}}plot.translate(600, 0);for (var col = 0; col < width; col++) {for (var row = 0; row < height; row++) {pos = row * width  + col;//颜值突变点，一般为边界if (maskArray[pos] == 1) { imagedata.data[4 * pos] = 255; imagedata.data[4 * pos+1] = 0; imagedata.data[4 * pos+2] = 255;} else if (maskArray2[pos] == 1) { //颜值相近点，一般为内部 imagedata.data[4 * pos] = 0; imagedata.data[4 * pos+1] = 255; imagedata.data[4 * pos+2] = 0;}else {/* //作为背景处理 imagedata.data[4 * pos] = 255; imagedata.data[4 * pos+1] = 255; imagedata.data[4 * pos+2] = 255;*/}}}plot.putImageData(imagedata, 0, 0);plot.drawImage(image);}}</span>

星历2016年01月20日 13:45:39, [工程师阿伟]说：现在可以进行这一部分功法的学习了。[机器小伟]。

由于功法是[人叫板老师]前几年写的，所以日期和时间都已经过去好久了。

现在可是2016年了，所以小伟就去拿来了2016年的日历：

小伟是怎样拿到这份日历的呢？是这样的：

首先：

<span style="font-size:18px;">def tmp():    import calendar;    year = 2016;    for month in range(1, 13):        print(calendar.monthcalendar(year, month));    return;[[0, 0, 0, 0, 1, 2, 3], [4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23, 24], [25, 26, 27, 28, 29, 30, 31]][[1, 2, 3, 4, 5, 6, 7], [8, 9, 10, 11, 12, 13, 14], [15, 16, 17, 18, 19, 20, 21], [22, 23, 24, 25, 26, 27, 28], [29, 0, 0, 0, 0, 0, 0]][[0, 1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12, 13], [14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27], [28, 29, 30, 31, 0, 0, 0]][[0, 0, 0, 0, 1, 2, 3], [4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23, 24], [25, 26, 27, 28, 29, 30, 0]][[0, 0, 0, 0, 0, 0, 1], [2, 3, 4, 5, 6, 7, 8], [9, 10, 11, 12, 13, 14, 15], [16, 17, 18, 19, 20, 21, 22], [23, 24, 25, 26, 27, 28, 29], [30, 31, 0, 0, 0, 0, 0]][[0, 0, 1, 2, 3, 4, 5], [6, 7, 8, 9, 10, 11, 12], [13, 14, 15, 16, 17, 18, 19], [20, 21, 22, 23, 24, 25, 26], [27, 28, 29, 30, 0, 0, 0]][[0, 0, 0, 0, 1, 2, 3], [4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23, 24], [25, 26, 27, 28, 29, 30, 31]][[1, 2, 3, 4, 5, 6, 7], [8, 9, 10, 11, 12, 13, 14], [15, 16, 17, 18, 19, 20, 21], [22, 23, 24, 25, 26, 27, 28], [29, 30, 31, 0, 0, 0, 0]][[0, 0, 0, 1, 2, 3, 4], [5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15, 16, 17, 18], [19, 20, 21, 22, 23, 24, 25], [26, 27, 28, 29, 30, 0, 0]][[0, 0, 0, 0, 0, 1, 2], [3, 4, 5, 6, 7, 8, 9], [10, 11, 12, 13, 14, 15, 16], [17, 18, 19, 20, 21, 22, 23], [24, 25, 26, 27, 28, 29, 30], [31, 0, 0, 0, 0, 0, 0]][[0, 1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12, 13], [14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27], [28, 29, 30, 0, 0, 0, 0]][[0, 0, 0, 1, 2, 3, 4], [5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15, 16, 17, 18], [19, 20, 21, 22, 23, 24, 25], [26, 27, 28, 29, 30, 31, 0]]</span>

然后：

<span style="font-size:18px;">/*** @usage   2016年日历* @author  mw* @date    2016年01月20日  星期三  13:59:32 * @param* @return**/function myDraw() {      var config = new PlotConfiguration();      config.init();      config.setPreference(); //config.setSector(1,1,1,1);     //config.axis2D(0, 0, 180);  var dayOfMonth = //1[[[0, 0, 0, 0, 1, 2, 3], [4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23, 24], [25, 26, 27, 28, 29, 30, 31]],//2[[1, 2, 3, 4, 5, 6, 7], [8, 9, 10, 11, 12, 13, 14], [15, 16, 17, 18, 19, 20, 21], [22, 23, 24, 25, 26, 27, 28], [29, 0, 0, 0, 0, 0, 0]],//3[[0, 1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12, 13], [14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27], [28, 29, 30, 31, 0, 0, 0]],//4[[0, 0, 0, 0, 1, 2, 3], [4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23, 24], [25, 26, 27, 28, 29, 30, 0]],//5[[0, 0, 0, 0, 0, 0, 1], [2, 3, 4, 5, 6, 7, 8], [9, 10, 11, 12, 13, 14, 15], [16, 17, 18, 19, 20, 21, 22], [23, 24, 25, 26, 27, 28, 29], [30, 31, 0, 0, 0, 0, 0]],//6[[0, 0, 1, 2, 3, 4, 5], [6, 7, 8, 9, 10, 11, 12], [13, 14, 15, 16, 17, 18, 19], [20, 21, 22, 23, 24, 25, 26], [27, 28, 29, 30, 0, 0, 0]],//7[[0, 0, 0, 0, 1, 2, 3], [4, 5, 6, 7, 8, 9, 10], [11, 12, 13, 14, 15, 16, 17], [18, 19, 20, 21, 22, 23, 24], [25, 26, 27, 28, 29, 30, 31]],//8[[1, 2, 3, 4, 5, 6, 7], [8, 9, 10, 11, 12, 13, 14], [15, 16, 17, 18, 19, 20, 21], [22, 23, 24, 25, 26, 27, 28], [29, 30, 31, 0, 0, 0, 0]],//9[[0, 0, 0, 1, 2, 3, 4], [5, 6, 7, 8, 9, 10, 11], [12, 13, 14, 15, 16, 17, 18], [19, 20, 21, 22, 23, 24, 25], [26, 27, 28, 29, 30, 0, 0]],//10[[0, 0, 0, 0, 0, 1, 2], [3, 4, 5, 6, 7, 8, 9], [10, 11, 12, 13, 14, 15, 16], [17, 18, 19, 20, 21, 22, 23],  [24, 25, 26, 27, 28, 29, 30], [31, 0, 0, 0, 0, 0, 0]],//11[[0, 1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12, 13],  [14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27], [28, 29, 30, 0, 0, 0, 0]],//12[[0, 0, 0, 1, 2, 3, 4], [5, 6, 7, 8, 9, 10, 11],  [12, 13, 14, 15, 16, 17, 18], [19, 20, 21, 22, 23, 24, 25],  [26, 27, 28, 29, 30, 31, 0]]];var text = ['星期一', '星期二', '星期三', '星期四', '星期五', '星期六', '星期日'];var weeks = 0;var r = 25;var x0 = (600-20*r)/2, y0 = 20;for (var m = 10; m < 12; m++) {plot.save();plot.setTextAlign('center');plot.fillText('2016 年 '+(m+1).toFixed(0)+' 月', 300, y0, 200);y0 += r;weeks = dayOfMonth[m].length;for (var j = 0; j < 7; j++) {if (j < 5) {plot.setFillStyle('black');}else {plot.setFillStyle('red');}plot.fillText(text[j], x0 + j * 3 * r, y0, 100);}y0 +=0.5 * r;for (var i = 0; i < weeks; i++) {y0 += r;for (var j = 0; j < 7; j++) {if (dayOfMonth[m][i][j] != 0) {if (j < 5) {plot.setFillStyle('black');}else {plot.setFillStyle('red');}plot.fillText(dayOfMonth[m][i][j].toFixed(0), x0 + j * 3 * r, y0, 100);}}}plot.restore();if (weeks > 5) {y0 += r;}else {y0 += 2 * r;}}}</span>

这样就完成了。

当然，也可以这样来做：

<span style="font-size:18px;"> c = calendar.TextCalendar(); >>> c.pryear(2016);                                  2016      January                   February                   MarchMo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su             1  2  3       1  2  3  4  5  6  7          1  2  3  4  5  6 4  5  6  7  8  9 10       8  9 10 11 12 13 14       7  8  9 10 11 12 1311 12 13 14 15 16 17      15 16 17 18 19 20 21      14 15 16 17 18 19 2018 19 20 21 22 23 24      22 23 24 25 26 27 28      21 22 23 24 25 26 2725 26 27 28 29 30 31      29                        28 29 30 31       April                      May                       JuneMo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su             1  2  3                         1             1  2  3  4  5 4  5  6  7  8  9 10       2  3  4  5  6  7  8       6  7  8  9 10 11 1211 12 13 14 15 16 17       9 10 11 12 13 14 15      13 14 15 16 17 18 1918 19 20 21 22 23 24      16 17 18 19 20 21 22      20 21 22 23 24 25 2625 26 27 28 29 30         23 24 25 26 27 28 29      27 28 29 30                          30 31        July                     August                  SeptemberMo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su             1  2  3       1  2  3  4  5  6  7                1  2  3  4 4  5  6  7  8  9 10       8  9 10 11 12 13 14       5  6  7  8  9 10 1111 12 13 14 15 16 17      15 16 17 18 19 20 21      12 13 14 15 16 17 1818 19 20 21 22 23 24      22 23 24 25 26 27 28      19 20 21 22 23 24 2525 26 27 28 29 30 31      29 30 31                  26 27 28 29 30      October                   November                  DecemberMo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su                1  2          1  2  3  4  5  6                1  2  3  4 3  4  5  6  7  8  9       7  8  9 10 11 12 13       5  6  7  8  9 10 1110 11 12 13 14 15 16      14 15 16 17 18 19 20      12 13 14 15 16 17 1817 18 19 20 21 22 23      21 22 23 24 25 26 27      19 20 21 22 23 24 2524 25 26 27 28 29 30      28 29 30                  26 27 28 29 30 3131</span>

本节到此结束，欲知后事如何，请看下回分解。