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Eric Fischer
2014-09-26 15:20:08 -07:00
parent c083d2f9f8
commit 1a7d2f6d00
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@@ -29,6 +29,8 @@ Geometric simplifications
------------------------- -------------------------
For point features, it drops 1/2.5 of the dots for each zoom level above the base. For point features, it drops 1/2.5 of the dots for each zoom level above the base.
I don't know why 2.5 is the appropriate number, but the densities of many different
data sets fall off at about this same rate.
For line features, it drops any features that are too small to draw at all. For line features, it drops any features that are too small to draw at all.
This still leaves the lower zooms too dark, so I need to figure out an This still leaves the lower zooms too dark, so I need to figure out an
@@ -43,3 +45,7 @@ Development
Requires protoc, protobuf-lite, and sqlite3. To build: Requires protoc, protobuf-lite, and sqlite3. To build:
make make
and perhaps
make install