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Windows Touch Physical Input Position Test

This test verifies that a Windows® Touch device reports all inputs within plus or minus 1 millimeter of the center of the physical input for all touchable areas.

Test details

Associated requirements

Device.Digitizer.Touch.HIDCompliantFirmware Device.Digitizer.Touch.PhysicalInputPosition

See the device hardware requirements.


Windows RT (ARM-based) Windows 8 (x64) Windows 8 (x86) Windows RT 8.1 Windows 8.1 x64 Windows 8.1 x86

Expected run time

~20 minutes






Running the test

Before you run the test, complete the test setup as described in the test requirements: Windows Touch Testing Prerequisites.

Minimal offset between the actual and reported point of contact is a primary factor in real and perceived system accuracy. The screen edge hosts some of the most commonly used gestures on the interface, such as displaying the charms, switching applications, dismissing applications, and displaying the Application Bar.

The Physical Input Position Test suite includes tests for linear accuracy (offset) and edge performance, totaling seven scenarios. For the Edge (Inward) scenario, speed is measured and enforced. The tool warns you when motion is too slow, and then asks you to repeat the interaction. Moving too slowly does not generate a failure.

Each test must be passed at a rate of 95%.

This test also verifies that HID reports conform to the HID protocol that is described in Windows Pointer Device Data Delivery Protocol and defined in the HID I2C v1.0 Protocol Specification.


For troubleshooting information, see Troubleshooting Device.Digitizer Testing and How to run the Windows HCK Tests for Touch and Pen Devices.

More information

Command syntax

Command optionDescription

Logo3.exe -config PhysicalInputPosition.json

Runs the test.


File list







Related topics

How to run the Windows HCK Tests for Touch and Pen Devices



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