Karasunpo

This Web app can measure the nominal distance between two points and/or an angle on an image file. * Touch pen recommended

Tap 'Next' button.

This Web app can measure the nominal distance between two points and/or an angle on an image file. * Wheel mouse recommended

Click 'Next' button.

Open A File

Choose an image file and tap "Next" button.

* Not selected

Please drop your image file and click 'Next'.

* Not selected

Measuring Type

Length of one segment 　 Inclination of one segment 　

Angle, formed by two segments 　 Radian

Select a measuring type:

Length of one segment 　

Inclination of one segment 　

Angle, formed by two segments

Radian

Standard Segment

Input the standard segment by tracing over the image. The standard segment will become the nominal length or angle standard on the image. * You can move, zoom in and out with two fingers.

Draw auxiliary circle

Please input the standard segment on the image by dragging. The standard segment will become the nominal length or angle standard on the image. * Wheel+Drag: Move, Ctrl+Wheel: Zoom

Draw auxiliary circle

Nominal Length

Please enter the nominal length of the standard segment you inputted.

Length of the standard segment:

Please enter the nominal length of the standard segment you inputted.

Length of the standard segment:

Measuring

Input the line segment you want to measure by tracing over the image.

Length: 　

Draw auxiliary circle 　

Please input the segment to measure by dragging on the image.

Length:

Draw auxiliary circle

Close
Back to top
History
Init app
Settings
About Karasunpo

Zoom:

The color of segments:

The background:

The page number of PDF:

2021-09-05 Ver.0.9 First release.
2022-07-07 Ver.0.9.1 Made config dialog interactive.
2022-07-08 Ver.0.9.2 Implemented side-menu.
2022-07-09 Ver.0.9.3 Added 'Init app' menu item.
2022-07-10 Ver.0.9.4 Added microscope.
2024-05-23 Ver.0.9.6 Fixed PDF.js vuln. Shifted to CDN.
2024-05-23 Ver.0.9.7 Used type="number" for numeric fields.

Karasunpo Online Version 0.0

Main part of Karasunpo Online:
	Copyright (C) 2021-2024 Katayama Hirofumi MZ.
jQuery v3.6.0:
	(c) JS Foundation and other contributors.
jQuery UI Touch Punch:
	Copyright 2011-2014, Dave Furfero.
PDF.js:
	Copyright 2021 Mozilla Foundation.
polyfill.js:
	Copyright 2013 Marcello Bastea-Forte (marcello@cellosoft.com)

Karasunpo Online is made by Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com).
jQuery and jQuery UI are licensed under the the MIT license.
jQuery UI Touch Punch is dual licensed under the MIT or GPL Version 2 licenses (we apply MIT license, not GPLv2).
PDF.js is licensed under the Apache License Version 2.0.

The source code of Karasunpo Online is available at https://github.com/katahiromz/katahiromz.github.io/tree/main/karasunpo-online .
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