stretchdialog

Module that contains the StretchLayout, RuleLayout and StretchDefaultsDialog classes

class tuiview.stretchdialog.ColorButton(*args: Any, **kwargs: Any)

Class that is a button with a icon that displays the current color. Clicking the button allows user to change color

getColorAsRGBATuple()

return the current color

mouseReleaseEvent(event)

Handle event - show dialog to allow color to be changed

setColor(color)

Create icon and set color

setColorAsRGBATuple(rgbatuple)

set the color as RGBA

class tuiview.stretchdialog.RuleLayout(*args: Any, **kwargs: Any)

Layout that contains the ‘rules’. These are the number of bands, the comparison with the number of bands and the check for a color table

getRule()

Return a StretchRule instance for the current GUI settings Note: the stretch field will be None

class tuiview.stretchdialog.StretchDefaultsDialog(*args: Any, **kwargs: Any)

Dialog that contains a Tabs, each one describing a rule and is a combination of RuleLayout and StretchLayout

createWidget(rule, stretch)

create a widget that contains the rule/stretch

static fromSettings()

Read the default stretch rules from the settings and return a list of StretchRules. Supplies a default set of rules if none found.

onDelete()

Delete the current page.

onNewAfter()

The ‘add new page after’ button pressed. Add a new page in with the rule/stretch same as current page

onNewBefore()

The ‘add new page before’ button pressed. Add a new page in with the rule/stretch same as current page

onOK()

OK button pressed. Save settings

renumberTabs()

A tab has been added or deleted so renumber the tabs

toSettings()

Write the contents of the dialog as the default rules to be remembered for next time.

class tuiview.stretchdialog.StretchDockWidget(*args: Any, **kwargs: Any)

Class that has a StretchLayout as a dockable window with apply and save buttons

exportToText()

Export stretch and Lookup Table to JSON text

importFromGDAL()

Import stretch and lookup table from file where these have already been saved

importFromText()

Import stretch and lookup table from text file saved by exportToText()

onApply()

Apply the new stretch to the view widget

onApplyAll()

The function to be run when the ApplyAll button is clicked (applies a stretch to all files open in tuiview.

onDelete()

Delete any stretch/LUT from the file

onLayersChanged()

Called when the layers have changed. If the one we ‘belong’ to no longer exists then close this window

onSave()

User wants to save the stretch to the file

setupActions()

Create the actions to be shown on the toolbar

setupToolbar()

Add the actions to the toolbar

class tuiview.stretchdialog.StretchLayout(*args: Any, **kwargs: Any)

Layout that contains the actual stretch information

createComboBands(gdaldataset, parent)

We have a dataset - create combo boxes with the band names

createSpinBands(parent)

For the case where we are creating a rule we have no band names so create spin boxes

static getBandValue(widget)

Depending on whether widget it a spinbox or a combo box extract the current value for it.

getStretch()

Return a ViewerStretch object that reflects the current state of the GUI

modeChanged(index)

Called when user changed the mode. Updates other GUI elements as needed

param1StatsChanged(state)

Called when the ‘Statistics Min’ box is checked

param2StatsChanged(state)

Called when the ‘Statistics Max’ box is checked

populateComboFromDataset(combo, gdaldataset)

Go through all the bands in the dataset and add a combo item for each one. Set the current index to the currentBand

stretchChanged(index)

Called when user changed the stretch. Updates other GUI elements as needed

updateStretch(stretch)

Change the state of the GUI to match the given stretch

• Index

• Module Index

• Search Page