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Posted to issues@calcite.apache.org by "Bertil Chapuis (Jira)" <ji...@apache.org> on 2022/09/02 21:06:00 UTC
[jira] [Comment Edited] (CALCITE-4294) Use JTS rather than ESRI as the underlying library for geospatial (ST_) functions
[ https://issues.apache.org/jira/browse/CALCITE-4294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17599713#comment-17599713 ]
Bertil Chapuis edited comment on CALCITE-4294 at 9/2/22 9:05 PM:
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Ok, my future plan is to use calcite in baremaps to produce vector tiles. Having JTS was a first step, but I'm interested in contributing additional functions. Should I create one issue per function? Some of them may be quite significant (e.g. ST_AsMVT, ST_AsMVTGeom, ST_TileEnvelope).
[https://github.com/baremaps/baremaps]
[https://demo.baremaps.com/]
was (Author: bchapuis):
Ok, my future plan is to use calcite in baremaps to produce vector tiles. Having JTS was a first step, but I'm interested in contributing additional functions. Should I create one issue per function? Some of them may be quite significant (e.g. ST_AsMVT, ST_AsMVTGeom, ST_TileEnvelope).
[https://github.com/baremaps/baremaps|https://github.com/baremaps/baremaps)]
[https://demo.baremaps.com/|https://demo.baremaps.com/)]
> Use JTS rather than ESRI as the underlying library for geospatial (ST_) functions
> ---------------------------------------------------------------------------------
>
> Key: CALCITE-4294
> URL: https://issues.apache.org/jira/browse/CALCITE-4294
> Project: Calcite
> Issue Type: Bug
> Components: spatial
> Reporter: Julian Hyde
> Assignee: Bertil Chapuis
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.32.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The geospatial functions are currently implemented using the ESRI library. We should consider using JTS instead. AT the time we started work on geospatial the JTS did not have a suitable license, but this is no longer the case. I gather that JTS is a superior library.
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