Once you have imported documents you can start viewing them by tapping on them in the library. You'll end up with a screen similar to this one.
Navigating in the layout
You can pan, zoom and navigate the layout as you do with images in the Photos App of iOS. Pinch to zoom in or out of the layout.
Selecting signals and parts
Long pressing will display a magnification loupe that will make it easier to select parts and signals. Once you long press panning with your finger will no longer scroll the view but drag the loupe around. A small circle indicates the selection area. Bring it over a signal or part to highlight it.
A small tooltip above the loupe displays the name of the part or signal. This way you can quickly find the signal or part you are searching for, or get the name of it.
Copper will show the selected part or signal in the part browser and will highlight it in the layout.
Please note: If you have way zoomed in Copper will not display the magnification loupe as signals and parts are so large that you can just selected them with your finger.
Handling and viewing layers
Each Eagle file is compiled of various layers like the top and bottom copper layers, the silk screen and many more. Copper will list all layers (but hiding those that don't have any content) in the layer screen. In this screen you can activate or deactivate each layer separately. If you want to hide all bottom layers, there is a faster way to do that: X-Ray.
View settings
You can modify the way Copper renders your PCB layout. There are various options that are very useful.
X-Ray
If activated, displays all layers. If disabled, all layers that compile the opposite side of the board are hidden. This way you ca quickly hide all bottom layers for example (bottom, bStop, bCream, bRestrict, bNames and bValues). You won't need to disable those layers separately in the layer list.
Copper pours
Copper correctly calculates copper fills for polygons. Sometimes, those large fill areas hide details from the opposite layer. Use this option to disable rendering copper pours. It will not disable rendering of all polygons, just the pours of top and bottom layers.
Board orientation
If you want to see the board from below, you typically need to wrap that in your head. With Copper, you can just flip the orientation, layer hierarchy and many more with this option. If you switch the layer to bottom, Copper will render the board exactly as if you would flip the board in real life.
Sharing images
Tap on the share icon to export a high resolution image of the layout. You will be presented various options like storing the image in your image roll, send it via email or iMessages or to send it via Airdrop to another Apple device in the same network.
The image will be exported as configured in the view. If you don't want to export the copper pours, or only specific layers, adjust the view using the view settings and the layers and then share it.
Close the document
Tap this icon to close the document. You will be brought back to the library.
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