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@fospathi
fospathi / svg_matrix_y_flip.txt
Last active August 15, 2022 23:20
SVG matrix to flip the Y-axis direction
The Y-axis in an SVG document points towards the bottom of the page, that is the Y value increases the further down the page
you go. When positioning items in a maths or physics context however it is more appropriate to have the Y-axis pointing up
the page like a normal coordinate system. We can provide an affine transformation matrix to a g element's transform
attribute that flips the Y-axis for its children.
Let the value of the viewBox attribute of the document's SVG element equal "0 0 w h". Suppose we want a coordinate system
whose origin is at the centre of the viewbox and whose Y-axis points up to the top of the page.
(0, 0)
O_ _ _ _ _ _ _ _\ X (Default SVG coordinate system/frame)
@dabit3
dabit3 / SingleTableAppSync.md
Last active February 24, 2023 20:05
GraphQL Single Table Design with DynamoDB and AWS AppSync

GraphQL

GraphQL Schema

type Customer {
  id: ID!
  email: String!
}