Termos de Referência
Hi everyone, I need a custom automation tool (can be developed using Python automation, a Chrome extension, or other web automation scripts) to help me batch-export screenshots of trading charts for backtesting.
Context: I already have a completed Pine Script indicator. Once loaded onto the TradingView chart, it plots signal marks (such as specific icons or arrows) directly on the screen. The "signals" or "marks" mentioned below refer to the marks generated by this indicator.
Note: I DO NOT need you to write Pine Script code. Instead, I need an external automation script that can control the browser, identify my indicator's marks, and handle the screenshot/stitching process.
Core Workflow (Using M15 and M5 as an example):
1. Auto-Detect Signals: I will first set "Timeframe 1" (e.g., M15) and load my indicator. The tool needs to automatically scan the chart, detect the signal marks generated by my indicator, and record their exact timestamps.
2. Main Timeframe Screenshot: For each detected mark, the tool will automatically jump to that exact timestamp on the M15 chart, center the bars near the signal mark in the middle of the screen, and take a screenshot.
3. Sub-Timeframe Linked Screenshot: Next, the tool will automatically switch the chart to "Timeframe 2" (e.g., M5), automatically locate the exact same time window as the M15 signal, center the corresponding M5 bars on the screen, and take a second screenshot.
4. Image Stitching & Saving: The tool will horizontally stitch the two screenshots into one single image (M15 on the left, M5 on the right). The file should be named using the format "Symbol_Timestamp" and automatically saved to a designated local folder on my computer.
5. Batch Loop: The tool will automatically move to the next M15 signal mark and repeat the process until all marks on the chart are screenshotted and stitched.
Customizable Parameters (Must be editable by me):
* Timeframe 1 & Timeframe 2: I should be able to freely change these to any timeframe combination (e.g., 1H + 15M, or 15M + 5M).
* Number of Bars: I should be able to set how many bars are displayed/centered for Timeframe 1 and Timeframe 2 respectively.
* Screenshot Dimensions: Ability to customize the width and height of the images (in pixels).
* Save Path: Ability to choose which local folder the images are saved to.
Development Requirements:
* Smart Waiting Mechanism: Loading charts and indicators takes time when switching timeframes or jumping to historical dates. The tool MUST wait until the chart and indicator marks are fully rendered before taking the screenshot. Blank or misaligned screenshots are unacceptable.
* User Guide: Upon delivery, please provide simple instructions on how to set up and run the tool on my computer.
If you are experienced in web automation, web element identification, and image processing, please apply with your quote and estimated development time. Thank you!
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