96 lines
3.0 KiB
Markdown
96 lines
3.0 KiB
Markdown
# Obsidian Desmos
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Render [Desmos](https://www.desmos.com/calculator) graphs right inside your notes.
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# Installation
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## Using Git
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If your vault is hosted using git then congratulations, you can use the easy method. Run
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`git subtree add --prefix .obsidian/plugins/obsidian-desmos https://github.com/Nigecat/obsidian-desmos master --squash`
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to add the plugin to the vault in the current working directory of your terminal.
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You can then run
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`git subtree pull --prefix .obsidian/plugins/obsidian-desmos https://github.com/Nigecat/obsidian-desmos master --squash`
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to update the plugin to the latest version (from the same working directory).
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## Using anything else
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Alternatively, if you do not use git or are not comfortable using the terminal, you can manually install the plugin. Download [manifest.json](manifest.json), [versions.json](versions.json), and [main.js](main.js) and place them in `<vault>/.obsidian/plugins/obsidian-desmos` (you may have to create any missing folders).
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This process must be repeated to update the application.
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# Usage
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The most basic usage of this plugin involves creating a codeblock with the tag `desmos-graph` and placing the equations you wish to graph in the body:
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````
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```desmos-graph
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y=x
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```
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````
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Equations use the [LaTeX math](https://en.wikibooks.org/wiki/LaTeX/Mathematics) format and you can graph multiple equations by placing each one on a seperate line:
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````
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```desmos-graph
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y=\sin(x)
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y=\frac{1}{x}
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```
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````
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You can restrict the bounds of the graph and apply other settings by placing a `---` seperator before your equations. The content before it must be a set of `key=value` pairs seperated by either **newlines or semicolons** (or both):
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````
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```desmos-graph
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boundary_left=0; boundary_right=100;
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boundary_top=10; boundary_bottom=-10;
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---
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y=\sin(x)
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```
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````
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You can set the dimensions of the rendered image by using the `height` and `width` fields.
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#### Restrictions
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Note that graph restrictions follow the same format as desmos itself (except we use a `|` to denote the beginning of the restrictions):
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````
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```desmos-graph
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y=\sin(x)|{y > 0}
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```
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````
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### Style
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We support six different types of (case-insensitive) styles:
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Line: `SOLID` `DASHED` `DOTTED`
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Point: `POINT` `OPEN` `CROSS`
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These are placed after the graph restrictions, following another `|`:
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````
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```desmos-graph
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y=\sin(x)|{y > 0}|DASHED
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```
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````
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If you do not wish to apply any restrictions, the center field can be left blank:
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````
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```desmos-graph
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y=\sin(x)||DASHED
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(1,2)||OPEN
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```
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````
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## Important
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Note that to be able to render these graphs into a PDF the following conditions must be fulfilled
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1. Memory caching **must** be enabled
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2. Obsidian **must** have been restarted since you initially created the graph
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3. You **must** have viewed the rendered graph in the preview since the restart
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After these are complete, a standard PDF export should work fine.
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In the future these steps will be removed and you will be able to directly export them.
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