Difference between revisions of "Exploring raster (Sextante)"
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Clicking on the view will display the cell value (3). Values are saved on a temporary vector layer (4).<br /> | Clicking on the view will display the cell value (3). Values are saved on a temporary vector layer (4).<br /> | ||
[[File:Info_Sextante_Raster_05.png|600px]]<br /> | [[File:Info_Sextante_Raster_05.png|600px]]<br /> | ||
| + | <br /> | ||
| + | '''''Profil Graph'''''<br /> | ||
| + | '''Profil Graph''' allows to generate a profile on a Sextante raster.<br /> | ||
| + | Click on '''Raster>Profil Graph''' tool (1). Draw a line on the top of the raster (2) following the profile that you want to inspect (2).<br /> | ||
| + | An info panel will popup with two subpanels:<br /> (3) The '''Profile plot''' and (4) an '''Info''' panel with all the info connected to that profile: length, max/min altitude, mean altitude, mean slope, ect. | ||
| + | [[File:Info_Sextante_Raster_07.png|600px]]<br /> | ||
| + | |||
| + | |||
Giuseppe Aruta | Giuseppe Aruta | ||
Revision as of 12:07, 14 April 2015
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).
Raster Layer Info
Select a Raster Image layer on layer tree and left click to enable Raster Layer Info.
An info panel will popup with two subpanels:
A panel about File sourcepath and dimesion, raster extension and raster type.
And a panel about cell statistics of the layer (min, max, mean, ect) per band. Alpha chanel will be displayed as band number 4.
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 the view will display the cell value (3). Values are saved on a temporary vector layer (4).
Profil Graph
Profil Graph allows to generate a profile on a Sextante raster.
Click on Raster>Profil Graph tool (1). Draw a line on the top of the raster (2) following the profile that you want to inspect (2).
An info panel will popup with two subpanels:
(3) The Profile plot and (4) an Info panel with all the info connected to that profile: length, max/min altitude, mean altitude, mean slope, ect.
Giuseppe Aruta