Wishlist/Auto Align Map - Revision history

DolfjeBot1: Wishlist:Auto Align Map moved to Wishlist/Auto Align Map: Replacing 'Wishlist:' with 'Wishlist/'

2008-08-31T12:18:57Z

Wishlist:Auto Align Map moved to Wishlist/Auto Align Map: Replacing 'Wishlist:' with 'Wishlist/'

2008-08-30T22:07:24Z

Category changes: -User, -Ideas, +Software Ideas

2008-03-04T06:01:46Z

2007-08-15T03:35:00Z

2007-08-15T03:32:14Z

updated link

2007-08-14T20:34:07Z

‎Auto aligned map: added some reasoning

2007-07-26T13:37:53Z

2007-07-17T06:34:04Z

-cat

2007-02-27T11:12:32Z

added to category (corrected spelling)

2007-02-19T14:34:00Z

added wishlist template

← Older revision		Revision as of 22:07, 30 August 2008
Line 24:		Line 24:
	If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.		If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.

−
−	~~[[Category:User]]~~
−	~~[[Category:Ideas\| ]]~~
	[[Category:Hardware ideas]]		[[Category:Hardware ideas]]
		+	[[Category:Software ideas]]

← Older revision		Revision as of 06:01, 4 March 2008
Line 24:		Line 24:
	If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.		If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.

−	[[Category:~~Accelerometer~~]]	+
		+	[[Category:User]]
		+	[[Category:Ideas\| ]]
		+	[[Category:Hardware ideas]]

@@ Line 18: / Line 18: @@
 Unfortunately, this is only possible with a compass, you cannot tell direction with an accelerometer. Gyroscopes won't work either because they ar relative so you still need a start point.
-If the phone is held vertical the accelerometers can't detect rotation, but even a 2D compass can't (if it's mounted flat). I haven't found a small cheap digital compass yet (I2C or SPI).
+If the phone is held vertical the accelerometers can't detect rotation, but even a 2D compass can't (if it's mounted flat), a 3D compass does.
 Consider the phone held vertical with the two sensor lined up above each other.

@@ Line 4: / Line 4: @@
 Map that is automatically aligned to the north.
-For this a compass is needed (see [[Wish_List_-_Hardware#Digital_compass]])
+For this a compass is needed (see [[Wishlist - Hardware: Digital compass]])
-When the Neo1973 is used for navigation it is useful if it always shows the map so the north of the map
+When the Neo1973 is used for navigation, especially pedestrian navigation where the device isn't mounted, it is useful if it always shows the map so the north of the map
 always points to the north. When rotating the Neo1973 the map will rotate the other way
 to keep north pointing north.
-If the Neo1973 is held with the face down the map will be mirrored.
+If the Neo1973 is held with the face down the map will be mirrored. (or a star map will be shown :)
 With an accelerometer it will be possible to make a compass.

@@ Line 4: / Line 4: @@
 Map that is automatically aligned to the north.
-With an accelerometer it will be possible to make a compass. When the Neo1973 is used
+For this a compass is needed (see [[Wish_List_-_Hardware#Digital_compass]])
 for navigation it is useful if it always shows the map so the north of the map
 always points to the north. When rotating the Neo1973 the map will rotate the other way
 to keep north pointing north.
@@ Line 13: / Line 14: @@
 ----
-Unfortunately, this is only possible with a gyroscope, or a compass, you cannot tell direction with an accelerometer.
+With an accelerometer it will be possible to make a compass.
-Consider the phone held vertical.
-It sees an acceleration vertically down along the length of the phone.
+Unfortunately, this is only possible with a compass, you cannot tell direction with an accelerometer. Gyroscopes won't work either because they ar relative so you still need a start point.
 If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.
 [[Category:Accelerometer]]

← Older revision		Revision as of 13:37, 26 July 2007
Line 17:		Line 17:
	It sees an acceleration vertically down along the length of the phone.		It sees an acceleration vertically down along the length of the phone.
	If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.		If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.
		+
		+	[[Category:Accelerometer]]

← Older revision		Revision as of 06:34, 17 July 2007
Line 17:		Line 17:
	It sees an acceleration vertically down along the length of the phone.		It sees an acceleration vertically down along the length of the phone.
	If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.		If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.
−
−	~~[[Category:Ideas]]~~

@@ Line 2: / Line 2: @@
 == Auto aligned map ==
-Map that is automatically alligned to the north.
+Map that is automatically aligned to the north.
 With an accelerometer it will be possible to make a compass. When the Neo1973 is used
@@ Line 13: / Line 13: @@
 ----
-Unfortunately, this is only possible with a gyroscope, or a compass, you cannot tell direction with an accellerometer.
+Unfortunately, this is only possible with a gyroscope, or a compass, you cannot tell direction with an accelerometer.
 Consider the phone held vertical.
-It sees an accelleration vertically down along the length of the phone.
+It sees an acceleration vertically down along the length of the phone.
-If the phone is spun along the vertical axes, then the accelleration does not change at all, so you can't tell direction.
+If the phone is spun along the vertical axes, then the acceleration does not change at all, so you can't tell direction.