How to clear altium cache [No Fluff]



Last updated : Sept 11, 2022
Written by : Danyell Dinunzio
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How to clear altium cache

How do I reset Altium?

  1. Back up the Altium Designer preferences: -Open the Preferences Panel.
  2. Remove the Preferences: - Start Menu â–º Control Panel â–º Programs and Features.
  3. Run Altium Designer and be sure not to import your preferences if prompted at startup.

How can I make Altium run faster?

Try saving the project/files to a different location on your local hard drive to test. You can also try turning off auto sync, and sync manually if you really want to use a synchronizing folder. A better solution would be to use your Altium 365 Workspace to store your projects.

How do you delete all traces in Altium?

To delete a group of tracks, select the segments of all the tracks you want to delete using right-to-left selection. Then press the Tab key to select them. Press the Delete key to remove all selected tracks.

Where does Altium save files?

For a default installation, the Path for the Auto Save feature will be: \Users\\AppData\Roaming\Altium\Altium Designer \Recovery.

Does Altium use GPU?

The key parameter of a Graphical Processing Unit (GPU) for higher performance in Altium Designer is its processing power in terms of floating point operations per second (FLOPS). It is not recommended to use GPUs with a performance lower than 700 GFLOPS. Above this level, performance grows proportionally.

Why does Altium take so long to open?

Long delays when opening a project in Altium Designer can be related to unresponsive printer drivers. The first time a project is opened or saved Altium Designer polls all printers that are installed in the Windows Control Panel, if a response is not received from a printer, there can be lengthy timeout.

How do you Unroute all in Altium?

Position the cursor over a routed connection (or pad) belonging to the net you wish to unroute then click or press Enter. All routed track and vias for that net will be removed and replaced by the logical connections. Continue unrouting connections associated with other nets or right-click or press Esc to exit.

How do I change the trace width in Altium?

To change the track width source while routing, press the 3 key on the keyboard. Press Shift+W to select a different value for the User Width. When you change the track width mode, you move between the values defined in the applicable design rule (min/preferred/max), and User Choice.

How do I delete a project in Altium?

Access the Workspace's browser interface (through the Altium 365 Platform Interface). From the Projects page, click to select the project to be deleted, then click the control and choose the Remove command from the context menu. The Delete Project window will appear - click on the Delete Project and Linked Items entry.

How do I change the library path in Altium?

Options/Controls Document Path - use to open the Browse For Folder dialog to search for and choose the desired default document path folder. Library Path - use to open the Browse For Folder dialog to search for and choose the desired default library path folder.

How do I autosave in Altium?

Autosave files can also be included in the Local History by enabling the Add autosaved documents to history option in the Data Management – Local History page of the Preferences dialog. When this option is enabled the file is saved in both locations when an autosave event occurs.

What does shift s do in Altium?

Single-layer Mode (Shift + S) I like to use this to focus on layout in a single layer and ignore anything that's going on in all other layers. An example is shown below; you can cycle through these three different views with the Shift + S shortcut key.

Is Altium viewer free?

Altium offers a free online BRD file viewer powered by the Altium 365 platform, as well as a read-only viewer license for Altium Designer.

How can I see schematic and PCB in Altium?

This feature can also be accessed by clicking Part Actions » Select PCB Components from the right-click menu when the cursor is over the selected part (or one part in a selection of parts).

Does Altium use multiple cores?

Altium is currently single-threaded, so a quad-core will not benefit you much.

Can I use Altium on Mac?

Altium Designer is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is KiCad, which is both free and Open Source.

How do I use Altium offline?

  1. Click on the Account preferences link.
  2. Enable the No, I wish to remain disconnected from Altium option.
  3. Click OK to accept the change and close the Preferences dialog.

How do I uninstall Altium Designer?

From the Windows Start button, choose Control Panel â–º Add or Remove Programs, and choose to remove Altium Designer with the "Remove Completely" option checked. If Windows has trouble uninstalling Altium, Try a clean boot of the PC before attempting uninstallation.

How do I import Altium files into Eagle?

Altium does have the capability of exporting their design files in file form called ACCEL ASCII format. This is a data structure EAGLE is able to import. If you wish to import a schematic, click on File/Import/Pcad, Altium, protel option. Then follow the prompts on the dialog box.

What is routing in Altium?

Routing is the process of defining a connective path between the nodes in each net. This path is defined by placing PCB design objects, such as tracks, arcs, and vias, on the copper layers to create a continuous connection between the nodes.


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How to clear altium cache


Comment by Erin Kaiser

so youso soso me you


Thanks for your comment Erin Kaiser, have a nice day.
- Danyell Dinunzio, Staff Member


Comment by Cruz

this is Atlantic's EDA with a two-minute quick take video okay so I have a situation where I want to clean up part of a trace that is on a pad so one of the things that I've learned is how to really use this PCB filter in all tiem and one of the very convenient expressions that I've come up with is just is track and not in poly and in any net and if you run that all and you can use this as selected and use that to clean up dangling pieces of net connections and when you run design rule checks this is a very useful feature so you can see how I'm just cleaning up pad entries okay so if I remove the filter in this case I'm routing a tea QFP 144 package and now if I come up I want to run a design rule check and I don't have any width errors so if you've liked this video if you've learned something feel feel free to subscribe and thank you very much


Thanks Cruz your participation is very much appreciated
- Danyell Dinunzio


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