<div dir="ltr">Here is the gdalinfo output I am just re-projecting to 4326<div><br></div><div>Driver: VRT/Virtual Raster<br>Files: Depth (Max).vrt<br> Depth (Max).Terrainredacted.tif<br> Depth (Max).
redacted
.tif<br>Size is 309153, 277451<br>Coordinate System is:<br>PROJCS["USA_Contiguous_Albers_Equal_Area_Conic_USGS_version",<br> GEOGCS["NAD83",<br> DATUM["North_American_Datum_1983",<br> SPHEROID["GRS 1980",6378137,298.2572221010042,<br> AUTHORITY["EPSG","7019"]],<br> AUTHORITY["EPSG","6269"]],<br> PRIMEM["Greenwich",0],<br> UNIT["degree",0.0174532925199433],<br> AUTHORITY["EPSG","4269"]],<br> PROJECTION["Albers_Conic_Equal_Area"],<br> PARAMETER["standard_parallel_1",29.5],<br> PARAMETER["standard_parallel_2",45.5],<br> PARAMETER["latitude_of_center",23],<br> PARAMETER["longitude_of_center",-96],<br> PARAMETER["false_easting",0],<br> PARAMETER["false_northing",0],<br> UNIT["US survey foot",0.3048006096012192,<br> AUTHORITY["EPSG","9003"]]]<br>Origin = (2771031.965285023674369,6437561.791629494167864)<br>Pixel Size = (3.000000000000000,-3.000000000000000)<br>Corner Coordinates:<br>Upper Left ( 2771031.965, 6437561.792) ( 85d57'44.50"W, 40d16'21.58"N)<br>Lower Left ( 2771031.965, 5605208.792) ( 86d16'11.82"W, 38d 1'16.13"N)<br>Upper Right ( 3698490.965, 6437561.792) ( 82d38'29.14"W, 39d57'46.13"N)<br>Lower Right ( 3698490.965, 5605208.792) ( 83d 2'54.73"W, 37d43'14.99"N)<br>Center ( 3234761.465, 6021385.292) ( 84d28'47.64"W, 39d 0'18.59"N)<br>Band 1 Block=128x128 Type=Float32, ColorInterp=Gray<br> Min=0.001 Max=96.054<br> Minimum=0.001, Maximum=96.054, Mean=6.209, StdDev=10.756<br> NoData Value=-9999<br> Metadata:<br> STATISTICS_MAXIMUM=96.0537109375<br> STATISTICS_MEAN=6.2090953579112<br> STATISTICS_MINIMUM=0.0009765625<br> STATISTICS_STDDEV=10.756049212573<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 13, 2020 at 8:53 AM Michael Sumner <<a href="mailto:mdsumner@gmail.com">mdsumner@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">What is the source (and target) projection and extent? Some projections have expansive limits, but you can specify the target extent with -te<div dir="auto"><br></div><div dir="auto">HTH</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri., 13 Mar. 2020, 23:43 Brian, <<a href="mailto:mulcahy.brianp@gmail.com" target="_blank">mulcahy.brianp@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Is it faster to do a gdal_warp with compression then without? Is it safe to assume the drive write speed would be the limiting factor for speed in this case? </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 13, 2020 at 8:33 AM Cainã K. Campos <<a href="mailto:rupestre.campos@gmail.com" rel="noreferrer" target="_blank">rupestre.campos@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Hello Brian,</div><div><br></div><div>Try to add the switch -co <span><span>"</span><span>COMPRESS</span>=<span>LZW</span><span>" to the command line to generate a compressed result with lossless compression.<br></span></span></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Mar 13, 2020 at 9:07 AM Brian <<a href="mailto:mulcahy.brianp@gmail.com" rel="noreferrer" target="_blank">mulcahy.brianp@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">So compressed this raster is fairly small about 120mb but running gdal_warp produces a raster that is about 416 gb, is this something this list can help with? If so I can upload the file somewhere and let you guys/gals take a look at it.</div>
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