Brunton Multi-Navigator Spezifikationen PDF herunterladen (Seite 32)

The scroll bars have been removed from maps using MrSID images, this allows me to reduce

the memory requirements (a design thing). MrSID images are really too slow to scroll by

using scroll bars anyway. Scrolling can be done by using the MapView window, double

clicking on the map, the "drag map" option (the hand) on the toolbar or by holding down the

Ctrl key and dragging with the mouse (the drag map option need not be active). If you really

want scroll bars back put a file called

sidscrollbar.dat

in the oziexplorer folder and restart

OziExplorer (if you get errors on loading a MrSID map remove it and see if you still get the

errors)..

Because MrSID images are slow to page there was a white flash as a new image page was

loaded after a zoom level was changed, I have removed the flash by disabling the erase

background action for the viewing area. Hopefully this will not affect other aspects of the

code.

A few resource leaks have been fixed in the MrSID code.

A 75% zoom level has been added for ECW maps.

Beta Version 3.90.3b

Changes

The MapView image was upside down and map printing was upside down when using the

new MrSID image format. This only happened on win98/me. It hopefully is now fixed.

Beta Version 3.90.3a

Bugs

Fixed a problem with the display datum not displaying grid coordinates correctly. This

happened when the display datum was different to the map datum.

Changes

The NMEA sentences output to the Autopilot are now selectable.

Added support for the MrSID format. There are a few issues with this.

The MrSID format seems to be slow at paging the image from disk, this is not

related to the code in OziExplorer, as when using the same image, OziExplorer

loads a page slightly faster than the MrSID Viewer software. There seems to be

no way to speed this up.

Therefore scrolling and zooming of the image will be slow as image pages a read

from disk.

The zooms available have been adjusted to suit the MrSID "native" zoom levels,

these give clear images at these levels of zoom. If the zooms are not available in

the SID image then the zoom will not work correctly at this stage.

If you add a file called

sidfull.dat

to the oziexplorer folder (it doesn't matter what

is in the file) and restart OziExplorer then it will load the SID image fully into

memory (a lot of memory is required). Loading will be very slow but scrolling

and zooming will be fast. Zoomed images and mapview will not be as clear.

There are a couple of SID images (on the Australian NSW TopoView CD's)

which OziExplorer cannot load (2 out of 1000+) but the MrSID Viewer can, it is

not known why and there seems to be no way to fix this.

Release Version 3.90.3

Page

252

OziExplorer Help Contents

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