dtutic
Size limitation of generalizer to shapefile limits?
Hi, I tried generalizing a large vector data set ( 7.5 gb geopackage layer, more than 37,000,000 verticies) . I was trying to read from and out put to a geopackage layer, but got an error that it could not write to a shapefile output. I assume that the plugin does not scale to geometries that are larger than shapefiles can handle?
Hello,
Thank you for that info. It uses OGR for reading/writing shapefiles, so I guess limitations are related to it.
Best, Drazen
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From: Doug Newcomb [email protected] Sent: Monday, January 27, 2020 4:28:04 PM To: GEOF-OSGL/CartoLineGen [email protected] Cc: Subscribed [email protected] Subject: [GEOF-OSGL/CartoLineGen] Size limitation of generalizer to shapefile limits? (#3)
Hi, I tried generalizing a large vector data set ( 7.5 gb geopackage layer, more than 37,000,000 verticies) . I was trying to read from and out put to a geopackage layer, but got an error that it could not write to a shapefile output. I assume that the plugin does not scale to geometries that are larger than shapefiles can handle?
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Shapefile is the default output for OGR, but other options are available. I did not notice an option in the plugin to choose the output format. Would geopackage be a safer alternative?
Doug
On Mon, Jan 27, 2020 at 10:43 AM Dražen Tutić [email protected] wrote:
Hello,
Thank you for that info. It uses OGR for reading/writing shapefiles, so I guess limitations are related to it.
Best, Drazen
Get Outlook for Androidhttps://aka.ms/ghei36
From: Doug Newcomb [email protected] Sent: Monday, January 27, 2020 4:28:04 PM To: GEOF-OSGL/CartoLineGen [email protected] Cc: Subscribed [email protected] Subject: [GEOF-OSGL/CartoLineGen] Size limitation of generalizer to shapefile limits? (#3)
Hi, I tried generalizing a large vector data set ( 7.5 gb geopackage layer, more than 37,000,000 verticies) . I was trying to read from and out put to a geopackage layer, but got an error that it could not write to a shapefile output. I assume that the plugin does not scale to geometries that are larger than shapefiles can handle?
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-- Doug Newcomb - Cartographer USFWS 551F Pylon Dr Raleigh, NC 919-856-4520 ext. 14 [email protected]
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Have no expertise on that. You can try to modify code in generalize.py to use other format. Should work.
From: Doug Newcomb [email protected] Sent: Monday, January 27, 2020 4:47:01 PM To: GEOF-OSGL/CartoLineGen [email protected] Cc: Dražen Tutić [email protected]; Comment [email protected] Subject: Re: [GEOF-OSGL/CartoLineGen] Size limitation of generalizer to shapefile limits? (#3)
Shapefile is the default output for OGR, but other options are available. I did not notice an option in the plugin to choose the output format. Would geopackage be a safer alternative?
Doug
On Mon, Jan 27, 2020 at 10:43 AM Dražen Tutić [email protected] wrote:
Hello,
Thank you for that info. It uses OGR for reading/writing shapefiles, so I guess limitations are related to it.
Best, Drazen
Get Outlook for Androidhttps://aka.ms/ghei36
From: Doug Newcomb [email protected] Sent: Monday, January 27, 2020 4:28:04 PM To: GEOF-OSGL/CartoLineGen [email protected] Cc: Subscribed [email protected] Subject: [GEOF-OSGL/CartoLineGen] Size limitation of generalizer to shapefile limits? (#3)
Hi, I tried generalizing a large vector data set ( 7.5 gb geopackage layer, more than 37,000,000 verticies) . I was trying to read from and out put to a geopackage layer, but got an error that it could not write to a shapefile output. I assume that the plugin does not scale to geometries that are larger than shapefiles can handle?
— You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub< https://github.com/GEOF-OSGL/CartoLineGen/issues/3?email_source=notifications&email_token=AD7EZOE5W7ATR7OFOJLZ2J3Q734QJA5CNFSM4KMDGPQKYY3PNVWWK3TUL52HS4DFUVEXG43VMWVGG33NNVSW45C7NFSM4II6RUJQ>, or unsubscribe< https://github.com/notifications/unsubscribe-auth/AD7EZOFSTHGT3WH7ZHQXXDDQ734QJANCNFSM4KMDGPQA
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-- Doug Newcomb - Cartographer USFWS 551F Pylon Dr Raleigh, NC 919-856-4520 ext. 14 [email protected]
NOTE: This email correspondence and any attachments to and from this sender is subject to the Freedom of Information Act (FOIA) and may be disclosed to third parties.
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