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1. Diary

20240508 goal and finished

source: qcustomplot

  1. initial_gragh---Initialize_Plot
  2. live plotting(sinx)--- ``
  3. define the shape of gragh from input button

Plottingbutton clicked---Printing_Timerstart---Realtime_Plot start

clear allbutton clicked---Printing_Timerstop---MapPlotclear

20240509 goal

  1. define the obstacles generator step 1: Define two obs modes, a. Custom input obstacles; b. Randomly generated a. custom input obstacles ui flow: "ask obs nums:xx" --> define a empty table([nums,3])

  2. design real-time APF

20240516 finished

  1. a. custom input obstacles ui flow: "ask obs nums:xx" --> push button Obs_Input, define a empty table([nums,3])--> write down the obs info --> push button Obs_Info_get, store the data in the vector obs_info, plot the Ellipse in MapPlot

20240516

  1. from 20240515, the project Project code standards tend to be Oxygen format specifications. However, Oxygen adapted for Qt Creator has not been updated for many years. So I learned from online tutorials and customized two formats
header version notes:
* @version   1.2
* @author    Fennmai
* @date      16/05/2024
* @brief
* 1. 
* 2.
* 3.

cpp function notes:
/*************************************************
**Function: 
**Description: 
**Input: 
**Output: 
**Return: 
**Others: 
*************************************************/

setting step1: alt text setting step2: alt text

20240518

  1. feat: Adjust map size in real time
  2. feat: obstacles generators mode 2 - Random Generator alt text

20240623

  1. 想到了一个问题，我的UI是用QT Designer 进行编辑的，但是时间久了，就容易忘记button的命名和对应在代码里面的触发功能。所以应该开一个新的文档，对当前的UI功能名字，对应当前的函数等等进行解释。 或者，使用Oxygen来进行自动化文档管理
  • 上述问题
  1. on_Obs_RndGen_clicked()经过检查和思考后，决定需要重构

2. debug

  1. 20240508 Could not find the 'ui'file in QTCreator alt text

solution: I forgot to define it in the CMakeLists.txt, adding it now.

set(PROJECT_SOURCES src/qt/pathplanning_platform.ui)

  1. 20240508 when I setting the clear allbutton, the original objective:1. stop the Printing_Timer;2. clear the graph; Objective1 is achieved,but Objective2 can not achieve, as shown below alt text

solution:

before:

void PathPlanning_Platform::on_Plotting_Clear_clicked()
{
    Printing_Timer->stop();
    ui->output_txt->setText("stopping plotting");
    MapPlot->graph(0)->data()->clear();
}

after:

void PathPlanning_Platform::on_Plotting_Clear_clicked()
{
    Printing_Timer->stop();
    ui->output_txt->setText("stopping plotting");
    MapPlot->graph(0)->data()->clear(); // 清除数据
    MapPlot->replot(); // 重要：调用 replot 来更新图表显示
}
  1. 20240508 另一个问题，当我按下了Plotting，开始实时画图，然后按下Plotting_Clear，可以正常停下timer，清除graph(0)内容。但是，当我再按下Plotting，它是从上一次停下的点开始继续画，这不是我想要的。我想要它每次Plotting，都是重头开始.

solution:

rt_location.x = 0; 
错误:
放在Realtime_Plot()里面。不行，因为Realtime_Plot是每次timer都会调用触发的，
它会一直触发x=0,导致图只会画第一个点

正确：放入`on_Plotting_clicked`因为目标就是按钮被按下，重新开始，
它在这里只会执行一次
  1. 20240508 每个版本规范迭代，如何更好的记录和显示每个版本的功能和结果？

solution:

  1. 提炼记录每个版本的开发内容。
  2. 录屏--->转换成gif--->保存到markdown中

e.g. Now:sinx , x (0.6)

alt text

terminal:

ffmpeg -i "xxxname.webm" -filter_complex "[0:v] fps=15,scale=800:-1:flags=lanczos,split [a][b];[a] palettegen [p];[b][p] paletteuse" output.gif

If the image quality is too low, change the scale. e.g. scale=1024...