# 拟合手绘曲线

**Repository Path**: sg-first/fit_hand_drawn_curve

## Basic Information

- **Project Name**: 拟合手绘曲线
- **Description**: No description available
- **Primary Language**: Python
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-06-18
- **Last Updated**: 2021-11-02

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

Fit hand-drawn curve
===========
It can convert the curve you draw on the coordinate diagram manually into a smooth coordinate sequence.

How to use
----------
* On a picture of the same size as the example picture(`test.png`), use a brush of the same color as the example picture(red) to draw your curve
* Specify `xStart`(X value of starting point in you drawn curve), `yKnow`(Y value of the point that closest to 0 on the Y axis of the coordinate diagram border), `yknowVal`(coordinate diagram Y value on the graph of that point), `dayEnd`(coordinate diagram X value of end point in you drawn curve) variable value. For example `yknowVal=10` in `test.png`

**Note:** If the relative position of your picture and coordinate diagram is sufficient from `test.png`, then other variables need to be adjusted.

* Run `main.py`

How it work
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The program will extract the coordinate points you draw as much as possible, and then fit a cubic spline function based on these coordinate points. Then find the coordinates of each integer point from `dayStart` (coordinate diagram X value of `xStart`) to `dayEnd`.