Device, method, and graphical user interface for transitioning between touch input to display output relationships

1. A non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions which, when executed by an electronic device with a display, a touch-sensitive surface and one or more sensors to detect intensity of contacts with the touch-sensitive surface, cause the electronic device to:

detect a contact on the touch-sensitive surface;

determine a respective location of the contact on the touch-sensitive surface; wherein the respective location on the touch-sensitive surface has a respective dynamic range for detecting intensity of the contact;

determine an intensity of the contact on the touch-sensitive surface at the respective location;

detect a change in intensity of the contact; and

in response to detecting the change in intensity of the contact at the respective location on the touch-sensitive surface, adjust an output of the device, wherein:

in accordance with a determination that the respective location has a first dynamic range, the output is adjusted in accordance with:

the change in the intensity of the contact at the respective location; and

a first input-output mapping of intensity to response that corresponds to the first dynamic range; and

in accordance with a determination that the respective location has a second dynamic range that is different from the first dynamic range, the output is adjusted in accordance with:

the change in the intensity of the contact at the respective location; and

a second input-output mapping of intensity to response that corresponds to the second dynamic range, wherein the second input-output mapping is different from the first input-output mapping.

2. The storage medium of claim 1 , wherein determining a respective dynamic range for the respective location includes retrieving stored information concerning the dynamic range of the device for detecting intensity of the contact at the respective location.

3. The storage medium of claim 1 , wherein:

the second dynamic range is higher than the first dynamic range; and

the second input-output mapping maps intensity to output values for one or more intensity values that are outside of the first dynamic range.

4. The storage medium of claim 1 , wherein:

an upper bound of the first dynamic range is determined based on a first intensity that corresponds to a first intensity detection limit at a first location on the touch-sensitive surface; and

an upper bound of the second dynamic range is determined based on a second intensity, different from the first intensity, that corresponds to a second intensity detection limit at a second location, different from the first location, on the touch-sensitive surface.

5. The storage medium of claim 4 , wherein:

the first input-output mapping asymptotically approaches a respective maximum output as the device detects intensity values close to the first intensity; and

the second input-output mapping asymptotically approaches the respective maximum output as the device detects intensity values close to the second intensity.

6. The storage medium of claim 1 , wherein:

the first input-output mapping maps a first range of intensity values to a respective range of output; and

the second input-output mapping maps a second range of intensity values, different from the first range of intensity values, to the respective range of output.

7. The storage medium of claim 1 , wherein:

the first input-output mapping has a first portion that corresponds to a range of intensity values below a transition intensity value and a second portion that corresponds to a range of intensity values above the transition intensity value;

the second input-output mapping has a first portion that corresponds to a range of intensity values below the transition intensity value and a second portion that corresponds to a range of intensity values above the transition intensity value;

the first portion of the first input-output mapping is the same as the first portion of the second input-output mapping; and

the second portion of the first input-output mapping is different from the second portion of the second input-output mapping.

8. The storage medium of claim 7 , wherein adjusting the output of the device includes:

in accordance with a determination that a maximum intensity of the contact is below the transition intensity value, generating a same output in accordance with the maximum intensity of the contact without regard to whether the respective location has the first dynamic range or the second dynamic range; and

in accordance with a determination that a maximum intensity of the contact is above the transition intensity value, generating different outputs in accordance with:

the maximum intensity of the contact and,

whether the respective location has the first dynamic range or the second dynamic range.

9. The storage medium of claim 1 , wherein:

the sensors to detect intensities of contacts with the touch-sensitive surface include a plurality of intensity sensors placed around a perimeter of the touch-sensitive surface; and

locations near the perimeter of the touch-sensitive surface have a lower dynamic range than locations near a center of the touch-sensitive surface.

10. The storage medium of claim 1 , including instructions which, when executed by the electronic device, cause the electronic device to:

while adjusting output of the device in accordance with the first input-output mapping, detect movement of the contact from a first location on the touch-sensitive surface with the first dynamic range to a second location on the touch-sensitive surface with the second dynamic range; and

in response to detecting the movement of the contact from the first location to the second location, continue to use the first input-output mapping to adjust the output of the device while the contact is at the second location.

11. The storage medium of claim 1 , including instructions which, when executed by the electronic device, cause the electronic device to:

while adjusting output of the device in accordance with the first input-output mapping, detect movement of the contact from a first location on the touch-sensitive surface with the first dynamic range to a second location on the touch-sensitive surface with the second dynamic range; and

in response to detecting the movement of the contact from the first location to the second location, use the second input-output mapping to adjust the output of the device while the contact is at the second location.

12. An electronic device, comprising:

a display;

a touch-sensitive surface;

one or more sensors to detect intensities of contacts with the touch-sensitive surface;

one or more processors;

memory; and

one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for:

detecting a contact on the touch-sensitive surface;

determining a respective location of the contact on the touch-sensitive surface;

wherein the respective location on the touch-sensitive surface has a respective dynamic range for detecting intensity of the contact;

determining an intensity of the contact on the touch-sensitive surface at the respective location;

detecting a change in intensity of the contact; and

in response to detecting the change in intensity of the contact at the respective location on the touch-sensitive surface, adjusting an output of the device, wherein:

in accordance with a determination that the respective location has a first dynamic range, the output is adjusted in accordance with:

the change in the intensity of the contact at the respective location; and

a first input-output mapping of intensity to response that corresponds to the first dynamic range; and

in accordance with a determination that the respective location has a second dynamic range that is different from the first dynamic range, the output is adjusted in accordance with:

the change in the intensity of the contact at the respective location; and

a second input-output mapping of intensity to response that corresponds to the second dynamic range, wherein the second input-output mapping is different from the first input-output mapping.

13. The device of claim 12 , wherein determining a respective dynamic range for the respective location includes retrieving stored information concerning the dynamic range of the device for detecting intensity of the contact at the respective location.

14. The device of claim 12 , wherein:

the second dynamic range is higher than the first dynamic range; and

the second input-output mapping maps intensity to output values for one or more intensity values that are outside of the first dynamic range.

15. The device of claim 12 , wherein:

an upper bound of the first dynamic range is determined based on a first intensity that corresponds to a first intensity detection limit at a first location on the touch-sensitive surface; and

an upper bound of the second dynamic range is determined based on a second intensity, different from the first intensity, that corresponds to a second intensity detection limit at a second location, different from the first location, on the touch-sensitive surface.

16. The device of claim 15 , wherein:

the first input-output mapping asymptotically approaches a respective maximum output as the device detects intensity values close to the first intensity; and

the second input-output mapping asymptotically approaches the respective maximum output as the device detects intensity values close to the second intensity.

17. The device of claim 12 , wherein:

the first input-output mapping maps a first range of intensity values to a respective range of output; and

the second input-output mapping maps a second range of intensity values, different from the first range of intensity values, to the respective range of output.

18. The device of claim 12 , wherein:

the first input-output mapping has a first portion that corresponds to a range of intensity values below a transition intensity value and a second portion that corresponds to a range of intensity values above the transition intensity value;

the second input-output mapping has a first portion that corresponds to a range of intensity values below the transition intensity value and a second portion that corresponds to a range of intensity values above the transition intensity value;

the first portion of the first input-output mapping is the same as the first portion of the second input-output mapping; and

the second portion of the first input-output mapping is different from the second portion of the second input-output mapping.

19. The device of claim 18 , wherein adjusting the output of the device includes:

in accordance with a determination that a maximum intensity of the contact is below the transition intensity value, generating a same output in accordance with the maximum intensity of the contact without regard to whether the respective location has the first dynamic range or the second dynamic range; and

in accordance with a determination that a maximum intensity of the contact is above the transition intensity value, generating different outputs in accordance with:

the maximum intensity of the contact and,

whether the respective location has the first dynamic range or the second dynamic range.

20. The device of claim 12 , wherein:

the sensors to detect intensities of contacts with the touch-sensitive surface include a plurality of intensity sensors placed around a perimeter of the touch-sensitive surface; and

locations near the perimeter of the touch-sensitive surface have a lower dynamic range than locations near a center of the touch-sensitive surface.

21. The device of claim 12 , including instructions for:

while adjusting output of the device in accordance with the first input-output mapping, detecting movement of the contact from a first location on the touch-sensitive surface with the first dynamic range to a second location on the touch-sensitive surface with the second dynamic range; and

in response to detecting the movement of the contact from the first location to the second location, continuing to use the first input-output mapping to adjust the output of the device while the contact is at the second location.

22. The device of claim 12 , including instructions for:

while adjusting output of the device in accordance with the first input-output mapping, detecting movement of the contact from a first location on the touch-sensitive surface with the first dynamic range to a second location on the touch-sensitive surface with the second dynamic range; and

in response to detecting the movement of the contact from the first location to the second location, using the second input-output mapping to adjust the output of the device while the contact is at the second location.

23. A method, comprising:

at an electronic device with a touch-sensitive surface and a display, wherein the device includes one or more sensors to detect intensities of contacts with the touch-sensitive surface:

detecting a contact on the touch-sensitive surface;

determining a respective location of the contact on the touch-sensitive surface, wherein the respective location on the touch-sensitive surface has a respective dynamic range for detecting intensity of the contact;

determining an intensity of the contact on the touch-sensitive surface at the respective location;

detecting a change in intensity of the contact; and

in response to detecting the change in intensity of the contact at the respective location on the touch-sensitive surface, adjusting an output of the device, wherein:

in accordance with a determination that the respective location has a first dynamic range, the output is adjusted in accordance with:

the change in the intensity of the contact at the respective location; and

a first input-output mapping of intensity to response that corresponds to the first dynamic range; and

in accordance with a determination that the respective location has a second dynamic range that is different from the first dynamic range, the output is adjusted in accordance with:

the change in the intensity of the contact at the respective location; and

a second input-output mapping of intensity to response that corresponds to the second dynamic range, wherein the second input-output mapping is different from the first input-output mapping.

24. The method of claim 23 , wherein determining a respective dynamic range for the respective location includes retrieving stored information concerning the dynamic range of the device for detecting intensity of the contact at the respective location.

25. The method of claim 23 , wherein:

the second dynamic range is higher than the first dynamic range; and

the second input-output mapping maps intensity to output values for one or more intensity values that are outside of the first dynamic range.

26. The method of claim 23 , wherein:

an upper bound of the first dynamic range is determined based on a first intensity that corresponds to a first intensity detection limit at a first location on the touch-sensitive surface; and

an upper bound of the second dynamic range is determined based on a second intensity, different from the first intensity, that corresponds to a second intensity detection limit at a second location, different from the first location, on the touch-sensitive surface.

27. The method of claim 26 , wherein:

the first input-output mapping asymptotically approaches a respective maximum output as the device detects intensity values close to the first intensity; and

the second input-output mapping asymptotically approaches the respective maximum output as the device detects intensity values close to the second intensity.

28. The method of claim 23 , wherein:

the first input-output mapping maps a first range of intensity values to a respective range of output; and

the second input-output mapping maps a second range of intensity values, different from the first range of intensity values, to the respective range of output.

29. The method of claim 23 , wherein:

the first input-output mapping has a first portion that corresponds to a range of intensity values below a transition intensity value and a second portion that corresponds to a range of intensity values above the transition intensity value;

the second input-output mapping has a first portion that corresponds to a range of intensity values below the transition intensity value and a second portion that corresponds to a range of intensity values above the transition intensity value;

the first portion of the first input-output mapping is the same as the first portion of the second input-output mapping; and

the second portion of the first input-output mapping is different from the second portion of the second input-output mapping.

30. The method of claim 29 , wherein adjusting the output of the device includes:

in accordance with a determination that a maximum intensity of the contact is below the transition intensity value, generating a same output in accordance with the maximum intensity of the contact without regard to whether the respective location has the first dynamic range or the second dynamic range; and

in accordance with a determination that a maximum intensity of the contact is above the transition intensity value, generating different outputs in accordance with:

the maximum intensity of the contact and,

whether the respective location has the first dynamic range or the second dynamic range.

31. The method of claim 23 , wherein:

the sensors to detect intensities of contacts with the touch-sensitive surface include a plurality of intensity sensors placed around a perimeter of the touch-sensitive surface; and

locations near the perimeter of the touch-sensitive surface have a lower dynamic range than locations near a center of the touch-sensitive surface.

32. The method of claim 23 , including:

while adjusting output of the device in accordance with the first input-output mapping, detecting movement of the contact from a first location on the touch-sensitive surface with the first dynamic range to a second location on the touch-sensitive surface with the second dynamic range; and

in response to detecting the movement of the contact from the first location to the second location, continuing to use the first input-output mapping to adjust the output of the device while the contact is at the second location.

33. The method of claim 23 , including:

while adjusting output of the device in accordance with the first input-output mapping, detecting movement of the contact from a first location on the touch-sensitive surface with the first dynamic range to a second location on the touch-sensitive surface with the second dynamic range; and

in response to detecting the movement of the contact from the first location to the second location, using the second input-output mapping to adjust the output of the device while the contact is at the second location.