Exploring raster (Sextante)

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Revision as of 11:44, 14 April 2015 by Ojuser (talk | contribs)
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OpenJUMP, since version NB 4397, allows to explore data information of raster (loaded via Sextante imagery) in different ways.

Tooltip
Layer tooltip can be used to explore Sextante raster layers about some basic information
On menu Customize click on Option>View/Edit panel and disable the option Enable JUMP basic tooltip(1).
Than moving the cursor over a Sextante Raster Image in the layer tree will show more information about layer name, datasource class and source path (2).
Info Sextante Raster 01.png

Raster Layer Info
Select a Raster Image layer on layer tree and left click to enable Raster Layer Info. Info Sextante Raster 02.png

An info panel will popup with two subpanels:
A panel about File sourcepath and dimesion, raster extension and raster type.
Info Sextante Raster 03.png
And a panel about cell statistics of the layer (min, max, mean, ect) per band. Alpha chanel will be displayed as band number 4.
Info Sextante Raster 04.png
This second panel is available also on menu Raster>Statistics>Statistics.

Pixel Inspection
Pixel inspection (1) , enabled via Raster menu is a powerfull tool to inspect single values of a raster cell.
By moving the cursor over a the raster, single cell value is displayed on the left side of lower system panel (2).
Clicking on a place will display the cell value on the View (3). Values are saved on a temporary vector layer (4).
Info Sextante Raster 05.png

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