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Optimize database access further by allowing "brute-force" queries instead of listing available blocks

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Also adds a heuristic that will enable this behaviour automatically.
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sfan5
2020-03-27 21:10:00 +01:00
parent 5b264fd443
commit 7ff2288627
14 changed files with 317 additions and 89 deletions
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12
minetestmapper.6
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@@ -70,11 +70,11 @@ Don't draw nodes above this y value, e.g. "--max-y 75"
.TP
.BR \-\-backend " " \fIbackend\fR
Use specific map backend; supported: *sqlite3*, *leveldb*, *redis*, *postgresql*, e.g. "--backend leveldb"
Use specific map backend; supported: \fIsqlite3\fP, \fIleveldb\fP, \fIredis\fP, \fIpostgresql\fP, e.g. "--backend leveldb"
.TP
.BR \-\-geometry " " \fIgeometry\fR
Limit area to specific geometry (*x:y+w+h* where x and y specify the lower left corner), e.g. "--geometry -800:-800+1600+1600"
Limit area to specific geometry (\fIx:y+w+h\fP where x and y specify the lower left corner), e.g. "--geometry -800:-800+1600+1600"
.TP
.BR \-\-extent " " \fIextent\fR
@@ -90,7 +90,13 @@ Forcefully set path to colors.txt file (it's autodetected otherwise), e.g. "--co
.TP
.BR \-\-scales " " \fIedges\fR
Draw scales on specified image edges (letters *t b l r* meaning top, bottom, left and right), e.g. "--scales tbr"
Draw scales on specified image edges (letters \fIt b l r\fP meaning top, bottom, left and right), e.g. "--scales tbr"
.TP
.BR \-\-exhaustive " \fImode\fR
Select if database should be traversed exhaustively or using range queries, available: \fInever\fP, \fIy\fP, \fIfull\fP, \fIauto\fP
Defaults to \fIauto\fP. You shouldn't need to change this, but doing so can improve rendering times on large maps.
.SH MORE INFORMATION
Website: https://github.com/minetest/minetestmapper