When you use icons, Vaisala recommends that you justify them right or left,
because the icon goes to the point and the text should be next to the icon. You
can highlight the text to give it a colored background.
• When adding text, most users want to justify text to center, so that the point
shown with latitude and longitude in the upper column is under the middle
character of your text.
c. To merge 2 layers, in the Add/Modify Layer window, select target layer and – – –.
d. To prevent the filled color from leaking around the edge of the overlay limits, use the
RANGE command to tell Overlay how far you have drawn your overlay.
e. Define your underlay fill points.
Fill points are used to make an underlay. An underlay can contain up to 400 fill
points. Overlay starts from each of the specified fill points and fills all contiguous
areas, stopping at overlay lines.
You can enter many fill points for the same filled region. In fact, this is required for a
coastline with deep bays, so that the region fills correctly at all scales. Many overlays
contain coastline and use a blue underlay for ocean.
f. To delete items from a map, select a Kill option.
When you select a Kill option, your cursor becomes a killer tool and you can delete
items from the map by pointing and clicking them. There is a separate kill tool for
text, icons and fill points to minimize the risk you kill something you didn't want to
kill. If you can't kill what you want, you are probably working with a wrong layer.
7. Select Header to check the overlay file header.
See Overlay Header (page 294).
Chapter 10 – Choosing Overlay Files
RESTRICTED 293
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