Draw.io crop image

Draw.io crop image DEFAULT

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Okay then. I seem to have to found the solution.

To let the draw.io diagram scale to the resized browser window, do the following:

1. Turn off draw.io toolbar and set scaling factor. That's the toolbar that pops up when you hover the pointer over the diagram. This will allow the browser to scale to the width or height of the PNG image that lays over the diagram. Otherwise, browser attempts to scale to the size of this toolbar.

2. Set relative percentage for the diagram. This will actually enable resizing of the layered diagram image.

 

Turning off draw.io toolbar and setting scaling factor

  1. Open the page with embedded draw,io diagram for editing.
  2. Click the diagram, and then, in the appeared toolbar, click Edit Macro.
  3. Draw.io Macro Settings window opens where you can configure how to diagram is diaplayed on the page.
  4. In the Toolbar drop-down list select Hidden,
  5.  This will stop the toolbar from appearing when you hover your mouse over the diagram.
  6. In the Width field type '99' (without quotes).
  7. This will pre-configure the diagram for adaptive sizing.
  8. Click Save.

 

Setting relative percentage for the diagram

To complete this, you will need Confluence Source Editor macro.

  1. In the editing view, open Confluence Source Editor.
  2. In the Source Editor window, find 'ac:name="drawio"' (without quotes). This tag specifies the beginning of draw.io macro settings for a specific diagram.
  3. Inside the draw.io block locate <ac:structured-macro/> tag, and then find the <ac:parameter ac:name="width"> tag inside. This will contain 99px.
  4. Now change px to % so that the width property contains 99%.
  5. Click Save.

When you complete these steps, your draw.io diagrams will scale to the resized browser window.

 

Drawback

The only drawback I have found: canvas. It seems that whenever there is draw.io toolbar enabled, macro automatically cuts out extra parts of diagram canvas to that unused white canvas does not draw on the page.

However, when you turn toolbar off, you disable this automatic cut off. If your diagram is not high enough to fill the standard canvas drawn by draw.io macro, you will see a significant white space after the diagram after you disable showing of the toolbar. As an effect, if a new heading follows the diagram, it will look as if you have added extra space before the heading, which kind of messes up the whole picture. Not really cool, but, I am hoping for a better future. Love the macro.

Sours: https://community.atlassian.com/t5/Confluence-questions/How-do-I-set-relative-scaling-for-draw-io-plugin-diagrams-fluent/qaq-p/935260

Importing diagram from draw.io into LaTeX

Answering my own question, the draw.io tool has the possibility to crop PDF output to the size of the actual diagram.

How? Select from the list of available exports.

PDF export

Then tick the checkbox and now include the PDF in your LaTeX code.

Crop option

Compiling your document with PDF images is nicer but also slower than PNGs so while you are at it, also create a PNG export, put both files in your LaTeX folder and omit the file extension in the command. Now you can later choose the preference in image formats.


I integrated draw.io into my LaTeX workflow for my thesis as follows:

Tested on Ubuntu 18.04. Directory paths need to be adjusted accordingly.

  1. Install "draw.io Desktop" from https://about.draw.io/integrations/
    I used draw.io-amd64-10.7.7.deb as I use Ubuntu.
  2. Start draw.io Desktop and use it to create figures.
    Store them under ./document/images/drawio/ with .drawio as the extension, eg.
  3. Convert the .drawio files to PDF files. I use a short script to automate that process.
    Add to your project:

    This script executes draw.io for all .drawio files under ./document/images/drawio/ and exports them as a PDF files to the same directory with the same name, eg. is exported to . Removing the existing PDF file first was necessary as otherwise draw.io outputs "Error writing to file".

  4. Include the generated PDF in your tex file. Adjust the LaTeX options to your needs.
  5. Run manually before building your LaTeX document, or add it to your build configuration to run it automatically every time you build.

With this approach all your .drawio files are stored locally. I add them to the git repository of my document and exclude the generated PDF file in the .gitignore file.


Some ideas:

  • The easiest way might be to just search "crop PDF" with your favorite search engine and let some online tool do the cropping for you.
  • When including a PDF with , one can specify in the optional argument to do some cropping like:

  • When you use the "Export as PDF" feature of SVG with the option to render the text as LaTeX, you usually do something like and the text is written using the current font settings of LaTeX. I like this a lot because this way the diagrams have the same font as the text around, however you have to adjust the font settings such that the text only takes the same space as in draw.io.

    Without knowing exactly how your image looks in draw.io and in LaTeX, I cannot give you the precise solution. But usually you start by trying to change the font size:

Sours: https://newbedev.com/importing-diagram-from-draw-io-into-latex
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Draw.io Saving Instructions

Warning

Make sure you don’t modify any file that is in a folder, or ends in in any program other than draw.io, otherwise you might risk breaking the metadata of the file, making it uneditable.

Draw.io (also known as diagrams.net) are supported when saved as files, with embedded XML metadata for the draw.io source file (normally stored as ). This allows these images to both act as source files for the diagrams that can be edited in the future, and be rendered as normal files.

There are a few methods to save a diagram with the embedded metadata, but using the export menu is preferred because it allows us to embed any images in the diagram, otherwise they might not render properly on the docs.

This method is applicable to both draw.io desktop and the web version at diagrams.net.

To export go to . Make sure is enabled to embed the diagram metadata, and that is enabled so image files in the diagram are embedded so they render in the docs. Additionally, mark the option to make sure the background is displayed correctly.

The export menu should look something like this:

Then just click then select where you would like to save the file and save it.

Note

When saving, make sure you follow the style-guide at Draw.io Files

Sours: https://docs.wpilib.org/en/latest/docs/contributing/frc-docs/drawio-saving-instructions.html

Open, create and save diagrams

Connections from the object itself


If you hover the mouse cursor over an unselected object (without clicking), you will see multiple small crosses (connection points), and four blue arrows (connection arrows).

You need to be careful not to hover over a selected object, because then, only the blue connection arrows are displayed.

A connection can be created using one of the small crosses (connection points), or with one of the blue connection arrows.
When you hover over a connection point, it will be highlighted green, so you know you are in the right position.

Connections in the library


To insert a connector from the symbol library, click on the connection you want to use., then drag and drop it from the library into position on the drawing area.

You can then connect the ends of the connectors to the connection points on any of the objects within your diagram. 

Duplicate and connect objects


Click on the blue arrow at the bottom of an object to duplicate it and its content (shape, color, size), and automatically connect the duplicated object to the original.

If another object is nearby when you click on the blue arrow, it will not duplicate the object, but instead link the two existing objects together.
By default, a connection with an arrow is used, but you can change this or delete the arrow in the "Style" tab of the format panel.

(info) There are several ways to duplicate shapes and work with connectors.

Sours: https://info.seibert-media.net/display/DRAWIO/draw.io+for+Confluence+-+User+Documentation

Image draw.io crop

draw.io is becoming diagrams.net

JPEG, PNG, and SVG images can all be inserted into the diagram editor at diagrams.net with drag and drop or via the menu.

Image files in diagrams work in the same way as in documents - you can resize, rotate and flip them as a single image, but you can’t resize any components within the image.

Insert an image into a diagram

Drag and drop

Drag the image file on your computer, or drag the image from a web page in your browser window, and drop it onto the drawing canvas at diagrams.net.

Once the image file has been loaded into the editor, you can resize it or rotate it just like a shape.

Via the menu

  1. Select Arrange > Insert > Image.
  2. Paste the URL to your image file, or drag it from your desktop onto the dialog.

Note: Larger image files may take a few moments before they are visible in the diagram editor.

Image quality and size

Large images slow down the browser and editor, especially when autosaving your diagram. If you are using a cloud platform like Google Drive or One Drive, the file size of the image you insert into the editor counts towards your account’s

  1. When you first drag an image into the diagram editor, select whether you want to resample/resize an image so that it is not so large, or keep the image quality and size the same as the original file.
  2. Click on the Remember this setting checkbox so you are not prompted every time you add an image to your diagram.

To change this setting again, you will need to delete two entries from your browser's internal storage.

Reset the image quality and size setting

As your browser remembers this setting in its internal storage, you will need to clear that to reset the image quality and size settings for the diagrams.net editor.

If you are using Firefox, follow the steps below. These steps are similar in other browsers.

  1. Press Ctrl+Alt+I on Windows or Cmd+Option+I on macOS to open the browser debugger console.
  2. On the Storage tab, right-click on the database(default) entry under https://app.diagrams.net in the _Indexed DB section and select Delete “database (default).
  3. Right-click on the https://app.diagrams.net entry under the Local Storagesection and select Delete All.

When you next add an image to your diagram, you will be prompted to choose the image quality and size behaviour.

Sours: https://drawio.freshdesk.com/support/solutions/articles/16000042480-add-images-to-your-diagram
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How to / can I crop inserted images in the draw.io chrome app ?

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Uttam Paudel

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Mar 3, 2016, 12:25:55 PM3/3/16

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to draw.io

I inserted an image in the chrome app, and wanted to reshape it using crop tool for the image. Is this possible on the app and if yes how is it done? I cannot seem to find the right tools to do so!

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Gaudenz Alder

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Mar 3, 2016, 12:26:40 PM3/3/16

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to draw.io

This is not possible.

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Uttam Paudel

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Mar 3, 2016, 12:32:03 PM3/3/16

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Oh! thanks for the quick answer. I would have to crop before the import it seems. Would have been easier if handled internally.

Cheers!

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Gijs

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Mar 21, 2020, 11:18:04 PM3/21/20

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to draw.io

It can be done on the web-app! 
Check:
https://twitter.com/drawio/status/1219675025835544576

Maybe this feature has been added/updated also on the chrome app?


Sours: https://groups.google.com/

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