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Raster is a data format consisting of regular grids of values, usually stored in an image-like format.

0 votes

Configuring WorldImage data store starting from folder containing tif and tfw files

You should just be able to add and single raster by going to "Add Raster Data Source": http://docs.geoserver.org/stable/en/user/data/geotiff.html I don't believe you'll need anything other than TIF and …
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1 vote

Creating a quality raster map in QGIS?

You can do this using QGIS' Raster calculator. Using 1.8.0: Add your two layers. Zoom to their extent. Navigate to: Raster -> Raster Calculator Enter your expression. …
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1 vote

How to extract two values from an 8bit raster and export to new raster with FME 2015?

Any half-decent raster format and GIS will then ignore those values. The A[0] is referring to the value of the cell (in band 1). …
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1 vote
1 answer
213 views

What format to store/use four band Raster data

I have four band aerial photography - RGBI. I need to share it with my users, a mixture of MapInfo, QGIS, and ArcGIS. What format should I store/serve the data in? GeoTIFF isn't well suited to four …
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5 votes
Accepted

How to convert a JPEG to GeoTiff using FME?

So if you had a raster like this: I'd enter co-ordinates like this: Although that does turn it upside down which is possibly undesirable, but that's just trial and error. :-) Either way, it is projected … Also: I don't think you need the RasterExtractor (mine works fine without it) unless you want to put the raster into a specific attribute (which you don't). …
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2 votes
Accepted

TIFF, Grid, FGDB Grid, etc. - what performs better in ArcScene animation?

. - https://en.wikipedia.org/wiki/Comparison_of_screencasting_software Note: I don't believe changing the raster format will be of any assistance. …
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2 votes
1 answer
807 views

Four band raster - ColorInterp of the InfraRed band

I have a four band aerial photography raster. The bands contain Red, Green, Blue, and IR data. …
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2 votes

MapInfo displays a JP2 raster weirdly - why?

It turns out its because there were .j2i files in the directory from the previous versions of the rasters. I guess these are files created by MapInfo at runtime that contain an index of sorts which is …
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1 vote

Overlaying Raster image with Google Maps in OpenLayers3

styles[i] // use maxZoom 19 to see stretched tiles instead of the BingMaps // "no photos at this zoom level" tiles // maxZoom: 19 }) You don't specify the nature of your raster
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9 votes

Prepare raster data for wms using geoserver!

Step one is to read GeoSolutions excellent GeoServer on Steroids: http://demo.geo-solutions.it/share/foss4g2013/gs_steroids_sgiannec_foss4g2013_01.03.pdf - it's pretty much the definitive guide to Geo …
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34 votes

Extract Raster Value into Polygon Attribute

If you don't have Spatial Analyst you can do it anyway as follows: First, convert the raster to Points using the Raster to Point tool. …
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1 vote
1 answer
269 views

MapInfo displays a JP2 raster weirdly - why?

We have some JP2 files created with FME 2013. They work just fine in ArcGIS, MapModeller and QGIS. But when viewing it in MapInfo (11.5) we get what looks rather like a 60's drug trip. Zooming in a …
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2 votes

In what data format should I export a (lat,long,alt) or (x,y,z) grid to be compatible with t...

What you need is a raster format, a raster being a grid of data. There are lots of raster formats which could do it but Mike Toews' suggestion of Esri ASCII Grid format is the right one. … There are other raster grid formats: GRD (as you noted), DEM, SDTS, ESRI Binary grid etc; but ASCII is the way to go as the others aren't read by as much software. …
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3 votes

Raster calculation confusion

Whenever I try out an algorithm that I'm unsure about, I'll test it with a stand-alone calculator using real numbers from the dataset first to see if it gives me the desired outcome. If the results l …
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3 votes

Is there an open standard for raster information?

Good question and not one I've really given thought to before. This might be the sort of thing you're interested in: Some searching show's that there's ISO19123:2005 - "Geographic information -- Sche …
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