Re: [gdal-dev] Negative NoData Value with Signed Byte Raster

2016-04-07 Thread Jason Greenlaw - NOAA Affiliate
gt; address above. > © Copyright 2016 Weather Trends International, Inc. > > > On Thu, Apr 7, 2016 at 7:45 AM, Jason Greenlaw - NOAA Affiliate < > jason.green...@noaa.gov> wrote: > >> Trent, >> >> I am able to load the VRT in ArcMap, and while it does now recog

Re: [gdal-dev] Negative NoData Value with Signed Byte Raster

2016-04-07 Thread Jason Greenlaw - NOAA Affiliate
ktop.arcgis.com/en/arcmap/10.3/manage-data/raster-and-images/rasters-with-functions.htm > > more: > http://desktop.arcgis.com/en/arcmap/10.3/manage-data/raster-and-images/what-is-the-image-analysis-window.htm > > good luck, > Trent > > On Wed, Apr 6, 2016 at 12:26 PM

Re: [gdal-dev] Negative NoData Value with Signed Byte Raster

2016-04-06 Thread Jason Greenlaw - NOAA Affiliate
Thanks for the workaround and quick fix. The VRT addresses the issue on the data end. Now it's only an ArcGIS problem :) Jason On Wed, Apr 6, 2016 at 3:10 PM, Even Rouault wrote: > Le mercredi 06 avril 2016 20:38:36, Jason Greenlaw - NOAA Affiliate a > écrit : > > Hello,

[gdal-dev] Negative NoData Value with Signed Byte Raster

2016-04-06 Thread Jason Greenlaw - NOAA Affiliate
tive NoData values (-127 to -1) for the SIGNEDBYTE type supposed to be supported by GDAL? 2) Is there a convention which states that they must be expressed in the range -127 to -1 or 128 to 255? Regards, Jason Greenlaw ___ gdal-dev mailing list gdal-dev@li

Re: [gdal-dev] GDAL v1.10.1 - Bad output from gdalwarp (works with 1.10.0)

2014-01-22 Thread Jason Greenlaw - NOAA Affiliate
1: 0.0 Auxiliary_Sphere_Type: 0.0 Linear Unit: Meter (1.0) Geographic Coordinate System: GCS_WGS_1984 Angular Unit: Degree (0.0174532925199433) Prime Meridian: Greenwich (0.0) Datum: D_WGS_1984 Spheroid: WGS_1984 Semimajor Axis: 6378137.0 Semiminor Axis: 6356752.314245179 Inverse F

Re: [gdal-dev] GDAL v1.10.1 - Bad output from gdalwarp (works with 1.10.0)

2014-01-22 Thread Jason Greenlaw - NOAA Affiliate
all-zero image. It seems that something was changed between 1.10.0 and 1.10.1 that made this a fatal error. Thanks, Jason On Wed, Jan 22, 2014 at 3:07 PM, Even Rouault wrote: > Le mercredi 22 janvier 2014 20:27:19, Jason Greenlaw - NOAA Affiliate a > écrit : > > When attempting to us

[gdal-dev] GDAL v1.10.1 - Bad output from gdalwarp (works with 1.10.0)

2014-01-22 Thread Jason Greenlaw - NOAA Affiliate
When attempting to use a polygon shapefile (in custom web mercator projection) with the gdalwarp cutline operation, operating on a GeoTIFF (with same projection), the following error is output in both versions 1.10.0 and 1.10.1: ERROR 6: No translation for 'Mercator_Auxiliary_Sphere' to PROJ.4

Re: [gdal-dev] GRIB2 to NetCDF - Large areas of data missing

2013-07-18 Thread Jason Greenlaw - NOAA Affiliate
t; cheers > Etienne > > On Wed, Jul 17, 2013 at 5:31 PM, Jason Greenlaw - NOAA Affiliate < > jason.green...@noaa.gov> wrote: > >> I am experiencing strange behavior when reprojecting/converting a GRIB2 >> file to NetCDF using gdalwarp, where the resulting NetCDF fil

[gdal-dev] GRIB2 to NetCDF - Large areas of data missing

2013-07-17 Thread Jason Greenlaw - NOAA Affiliate
I am experiencing strange behavior when reprojecting/converting a GRIB2 file to NetCDF using gdalwarp, where the resulting NetCDF file is missing lots of data (or possibly being set incorrectly to NoData) west of a certain longitude. However, if I instead reproject from GRIB2 to an intermediate fo

[gdal-dev] Empty region after projecting GeoTIFF from 4326 to 102113

2013-03-07 Thread Jason Greenlaw - NOAA Affiliate
I have an RGBA GeoTIFF in EPSG:4326 with an extent that wraps the 180 decimal degree international dateline (western extent: 74.2 dd, eastern extent: 433.8 dd). When I attempt to project this image to either EPSG:102113 (as defined in $GDAL_DATA/esri_extra.wkt) or a very similar custom mercator pr

[gdal-dev] VRT/CSV to PostgreSQL - Convert Missing/Blank Values to NULL?

2013-01-24 Thread Jason Greenlaw - NOAA Affiliate
When loading into a PostgreSQL/PostGIS database, can the VRT/CSV driver convert missing values (for a "Real" field) to NULL instead of defaulting to 0.00? Example: I'm attempting to load a CSV file into PostgreSQL using the following simple VRT file: -

Re: [gdal-dev] Reprojecting GeoTIFFs with Overviews?

2013-01-10 Thread Jason Greenlaw - NOAA Affiliate
Thanks for the information, I will reproject the overviews individually. Jason On Thu, Jan 10, 2013 at 2:47 PM, Even Rouault wrote: > Le jeudi 10 janvier 2013 19:03:33, Jason Greenlaw - NOAA Affiliate a écrit > : > > Norman, > > > > Unfortunately that's no

Re: [gdal-dev] Reprojecting GeoTIFFs with Overviews?

2013-01-10 Thread Jason Greenlaw - NOAA Affiliate
imply interpolate the original image. Perhaps I'm out of luck and need to reproject each of the .ovr files and the .tif files separately before combining them? Jason -- Jason Greenlaw Contractor, ERT, Inc. NOAA/NOS/OCS/CSDL http://nowcoast.noaa.gov jason.green...@noaa.gov (603) 862-3560

[gdal-dev] Reprojecting GeoTIFFs with Overviews?

2013-01-10 Thread Jason Greenlaw - NOAA Affiliate
N) Lower Right (-9540133.424, 2955990.014) ( 85d42' 1.72"W, 25d39' 5.65"N) Center (-10191434.561, 3264139.634) ( 91d33' 4.37"W, 28d 7'12.80"N) Band 1 Block=2940x1 Type=Byte, ColorInterp=Red Mask Flags: PER_DATASET ALPHA Band 2 Block=2940x1 Type=By

[gdal-dev] WKT for Reprojecting to ESRI Web Mercator (EPSG:3857) using gdalwarp/ogr2ogr

2012-11-09 Thread Jason Greenlaw
.0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs" ], AUTHORITY["EPSG","3857"] ] --- Hope this solution saves someone else some time. Jason -- Jason Greenlaw Contractor, ERT, Inc. NOAA/NOS/OCS/CSDL http://nowcoast.noaa.gov jason.green...@noaa.gov ___ gdal-dev mailing list gdal-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/gdal-dev