· @tutorialseri
65 followers · 7072 posts · Server mastodon.bida.im

How to Convert Raster to Vector (with Pictures)

#howto #diy #raster

Last updated 1 year ago

Micha Silver · @Micha_Silver
57 followers · 29 posts · Server fosstodon.org

I have some rasters of multi GB size.
Without a gripe, call gdal_translate to compress those guys.
With ‘-co’ I set COMPRESS=ZSTD
and PREDICTOR=2 for optimal squeeze.
And only then proceed to analyze.

#gischat #gdal #limrigis #zstd #raster

Last updated 1 year ago

Micha Silver · @Micha_Silver
52 followers · 20 posts · Server fosstodon.org

I met a friend from the kfar
whose GIS laptop was under par.
He had a hi-res raster stack,
but his python model was just too slack.
For GIS some extra RAM and SSD disks are better by far.

#gischat #limrigis #python #ssd #raster #gis

Last updated 1 year ago

Tyler Smith · @plantarum
626 followers · 749 posts · Server ottawa.place

Paper accepted, time to wrap up the code archive. Which depends on , , et al. And every time I revisit this code a different set of packages have updated to . Which means I have to sprinkle `vect`, `rast`, and `raster` about to convert objects into the version supported by each function.

Feeling a little dirty knowing the permanent archive of this work will break in a year when the transition is complete.

#rstats #terra #raster

Last updated 1 year ago

TheRealJimShady · @TheRealJimShady
117 followers · 109 posts · Server fosstodon.org

Geo-hive mind. I've a 20GB raster (tif). The values are all integers. The file type is 32-bit integer. I want to make a new file, which is simply this file with all values divided by 10,000. What tools/methods would you use to do it?

#gis #raster #terra #geospatial

Last updated 2 years ago

GeekProjects News · @news
4 followers · 3116 posts · Server geekprojects.com
IT News · @itnewsbot
3114 followers · 256711 posts · Server schleuss.online

Bust Out That Old Analog Scope For Some Velociraster Fun! - [Oli Wright] is back again with another installation of CRT shenanigans. This time... - hackaday.com/2023/04/17/bust-o -ymode

#pio #dma #dac #vector #raster #x #hardware #toolhacks #breadboard #raspberrypipico #analogoscilloscope

Last updated 2 years ago

GregCocks · @GregCocks
198 followers · 255 posts · Server techhub.social
Lorry · @Lorry
919 followers · 4685 posts · Server mstdn.social
GregCocks · @GregCocks
184 followers · 230 posts · Server techhub.social

Bathymetric Data Viewer [global, NOAA]
--
ncei.noaa.gov/maps/bathymetry/ <-- spatial open data web portal
--
“NCEI and the IHO Data Center for Digital Bathymetry (DCDB) archive and share depth data acquired by hydrographic, oceanographic, and industry vessels and platforms during surveys or while on passage. These data, which are used in several national and international mapping bathymetry projects, are free to the public with no restrictions…”

@NOAA @NCEI @GEBCO

#gis #spatial #mapping #remotesensing #bathmetry #global #opendata #openaccess #download #ncei #dcbd #noaa #elevation #sonar #water #hydrography #hydrospatial #webportal #science #spatialanalysis #dem #data #digital #multibeam #survey #visualisation #bag #raster #gebco #gmrt #ibsco #gshhg

Last updated 2 years ago

BunkMoss · @BUNKMOSS
0 followers · 1 posts · Server universeodon.com

alright, new instance new name to fit everything, seems ready to go! hope I can provide some cool art & music for you all on here ʘ⁠‿⁠ʘ . here is something from today.

#digitalartist #pnw #bunkmoss #raster

Last updated 2 years ago

TheRealJimShady · @TheRealJimShady
113 followers · 103 posts · Server fosstodon.org

Sometimes I work with gdal and sometimes I work with R. The different names for raster data types can confuse me. So I made this. But I'm a bit confused about the first few rows - would someone please correct me?

#rstats #gdal #raster

Last updated 2 years ago

Eduard Roccatello · @mastershadow
10 followers · 29 posts · Server mas.to

is the process of reassigning one or more values in a dataset to new output values. Let's see how to do a data reclassification in

youtube.com/watch?v=NffkamZtqD

#tutorial #qgis #raster #reclassification

Last updated 2 years ago

Flavigula · @flavigula
639 followers · 3270 posts · Server sonomu.club
GregCocks · @GregCocks
150 followers · 169 posts · Server techhub.social
GregCocks · @GregCocks
149 followers · 166 posts · Server techhub.social
Daniel Kochanowicz · @Blueskyfox
293 followers · 1659 posts · Server mstdn.social

Question for all you out there:
Is there a free app for iOS that can convert color images into and then export to ?
I’ve heard about for Mac but I primarily like to work on my iPad.
TIA!

#graphicartist #Inkscape #svg #vector #raster #artists #graphic

Last updated 2 years ago

Tyler Smith · @plantarum
563 followers · 476 posts · Server ottawa.place

Also on my blog: I updated my tutorial for making simple maps in . The old package is being deprecated, to be replaced by and friends.

plantarum.ca/2023/02/13/terra-

#rstats #raster #terra #rspatial

Last updated 2 years ago

GregCocks · @GregCocks
114 followers · 131 posts · Server techhub.social
Weiming Hu · @weiming
9 followers · 20 posts · Server mapstodon.space

rasterio (rasterio.readthedocs.io/en/lat) is an important module for parsing geospatial raster data. I absolute love it. But since it depends on GDAL, installation is not the easiest.

What I found effective is to force the channel to be conda-forge. I had a library linking issue earlier today, but I fixed it following the tips at github.com/conda-forge/rasteri

I'm curious whether anybody has had similar stories. 🤔

#raster #geospatial

Last updated 2 years ago