Slow GPS refreshing on MapEdit maps / Etrex Legend
Добавлено: 01 дек 2003, 09:09
Один американский малый обозначил следующую проблему.
Hi! I've been working on creating my own very detailed maps for ATV
riding in my area, by using MapEdit to trace over local topo maps,
scanned & calibrated in OziExplorer. A very tedious process, but
the results can be fantastic. I then upload with SendMap.
The process works perfectly, but I have noticed that my MapEdit-
created maps scroll horrendously slowly when being used on my
Legend. Sometimes it will take up to 10-15 seconds for the map to
scroll while driving (which actually then "jumps" about 500m instead
of just scrolling), which of course is unacceptable.
For vehicle use, I use a much more complex Metroguide map, which
scrolls perfectly smoothly at the regular once-per-second rate.
Just for an experiment last night, I opened up that complex
Metroguide IMG file in MapEdit, and then just saved it and uploaded
it to the Garmin without any modifications whatsoever. Guess what,
it's no longer smooth either.
I have not tried any further to diagnose this problem; could it be
related to the maximum number of elements per region or something in
MapEdit? I notice that mine (In "Map Properties") defaulted to
around 24,000. I wonder if that's a much larger number than it
should be.
MapEdit is a wonderful program.... but I wonder if it would be
possible for some of the MapEdit experts (or even the author) to
design some documentation for this excellent piece of software.
Действительно ли это так ? И если так, то что бы это могло значить ?
Может есть какие-то недокументированные возможности польского формата, про которые никто кроме Гармина не знает, и это влияет на скорость прокрутки карт в навигаторе ?
Hi! I've been working on creating my own very detailed maps for ATV
riding in my area, by using MapEdit to trace over local topo maps,
scanned & calibrated in OziExplorer. A very tedious process, but
the results can be fantastic. I then upload with SendMap.
The process works perfectly, but I have noticed that my MapEdit-
created maps scroll horrendously slowly when being used on my
Legend. Sometimes it will take up to 10-15 seconds for the map to
scroll while driving (which actually then "jumps" about 500m instead
of just scrolling), which of course is unacceptable.
For vehicle use, I use a much more complex Metroguide map, which
scrolls perfectly smoothly at the regular once-per-second rate.
Just for an experiment last night, I opened up that complex
Metroguide IMG file in MapEdit, and then just saved it and uploaded
it to the Garmin without any modifications whatsoever. Guess what,
it's no longer smooth either.
I have not tried any further to diagnose this problem; could it be
related to the maximum number of elements per region or something in
MapEdit? I notice that mine (In "Map Properties") defaulted to
around 24,000. I wonder if that's a much larger number than it
should be.
MapEdit is a wonderful program.... but I wonder if it would be
possible for some of the MapEdit experts (or even the author) to
design some documentation for this excellent piece of software.
Действительно ли это так ? И если так, то что бы это могло значить ?
Может есть какие-то недокументированные возможности польского формата, про которые никто кроме Гармина не знает, и это влияет на скорость прокрутки карт в навигаторе ?