# This week's Code Community projects

**URL:** <https://community.thinkgeo.com/t/this-weeks-code-community-projects/7137>\
**Category:** Services\
**Created:** [April 17, 2010, 11:57am UTC](https://community.thinkgeo.com/t/this-weeks-code-community-projects/7137 "2010-04-17T11:57:08Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Val](https://community.thinkgeo.com/letter_avatar_proxy/v4/letter/v/e56c9b/32.png) [@Val](https://community.thinkgeo.com/u/Val)\
**Post date:** [April 17, 2010, 11:57am UTC](https://community.thinkgeo.com/t/this-weeks-code-community-projects/7137/1 "2010-04-17T11:57:08Z")

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This&nbsp;week&nbsp;we&nbsp;have&nbsp;three&nbsp;new&nbsp;projects&nbsp;that&nbsp;you&nbsp;can&nbsp;check&nbsp;out&nbsp;in&nbsp;the&nbsp;ThinkGeo&nbsp;Code&nbsp;Community:&nbsp;[code.thinkgeo.com/](http://code.thinkgeo.com/)

&nbsp;-How&nbsp;to&nbsp;delete&nbsp;the&nbsp;last&nbsp;added&nbsp;vertex&nbsp;when&nbsp;tracking&nbsp;a&nbsp;polygon&nbsp;in&nbsp;_Custom&nbsp;Track&nbsp;Polygon_.

[code.thinkgeo.com/projects/s...ackpolygon](http://code.thinkgeo.com/projects/show/customtrackpolygon)

&nbsp;-How&nbsp;to&nbsp;set&nbsp;the&nbsp;full&nbsp;extent&nbsp;of&nbsp;the&nbsp;map&nbsp;based&nbsp;on&nbsp;a&nbsp;collection&nbsp;of&nbsp;layers&nbsp;in&nbsp;_Zoom&nbsp;to&nbsp;Full&nbsp;Extent_.

[code.thinkgeo.com/projects/show/zoomtofullextent](http://code.thinkgeo.com/projects/show/zoomtofullextent)

&nbsp;-Protect&nbsp;your&nbsp;shapefiles&nbsp;by&nbsp;encrypting&nbsp;them&nbsp;in&nbsp;_Shapefile&nbsp;Encryption_.

[code.thinkgeo.com/projects/s...encryption](http://code.thinkgeo.com/projects/show/shapefileencryption)