Common default colormap

src/pyFAI/app/drawmask.py

@@ -33,7 +33,7 @@
 __contact__ = "[email protected]"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "21/05/2024"
+__date__ = "17/09/2024"
 __satus__ = "Production"
 
 import os
@@ -42,6 +42,8 @@
 logging.basicConfig(level=logging.INFO)
 logging.captureWarnings(True)
 logger = logging.getLogger(__name__)
+from argparse import ArgumentParser
+
 try:
     import hdf5plugin  # noqa
 except ImportError:
@@ -51,8 +53,9 @@
 
 import silx.gui.plot
 from silx.gui import qt
-import pyFAI.utils
-from argparse import ArgumentParser
+from ..version import version as pyFAI_version, date as pyFAI_date
+from .. import utils
+from ..gui.utils.colorutils import DEFAULT_COLORMAP
 
 
 class AbstractMaskImageWidget(qt.QMainWindow):
@@ -104,17 +107,7 @@ def __init__(self):
         maskAction = self.__plot2D.getMaskAction()
         maskAction.setVisible(False)
         self.__maskPanel = silx.gui.plot.MaskToolsWidget.MaskToolsWidget(plot=self.__plot2D)
-        try:
-            colormap = {
-                'name': "inferno",
-                'normalization': 'log',
-                'autoscale': True,
-                'vmax': None,
-                'vmin': None,
-            }
-            self.__plot2D.setDefaultColormap(colormap)
-        except Exception:
-            logger.error("Impossible to change the default colormap. Source code not compatible.", exc_info=True)
+        self.__plot2D.setDefaultColormap(DEFAULT_COLORMAP)
         self.__maskPanel.setDirection(qt.QBoxLayout.TopToBottom)
         self.__maskPanel.setMultipleMasks("single")
 
@@ -157,7 +150,7 @@ def postProcessId21(processFile, mask):
 
 def main():
     usage = "pyFAI-drawmask file1.edf file2.edf ..."
-    version = "pyFAI-average version %s from %s" % (pyFAI.version, pyFAI.date)
+    version = f"pyFAI-average version {pyFAI_version} from {pyFAI_date}"
     description = """
     Draw a mask, i.e. an image containing the list of pixels which are considered invalid
     (no scintillator, module gap, beam stop shadow, ...).
@@ -169,15 +162,15 @@ def main():
     Optionally the script will print the number of pixel masked
     and the intensity masked (as well on other files provided in input)"""
     parser = ArgumentParser(usage=usage, description=description, epilog=epilog)
-    parser.add_argument("-v", "--version", action='version', version=version)
+    parser.add_argument("-v", "--version", action='version', version=pyFAI_version)
     parser.add_argument("args", metavar='FILE', type=str, nargs='+',
                         help="Files to be processed")
 
     options = parser.parse_args()
     if len(options.args) < 1:
         parser.error("Incorrect number of arguments: please provide an image to draw a mask")
 
-    processFile = pyFAI.utils.expand_args(options.args)
+    processFile = utils.expand_args(options.args)
 
     app = qt.QApplication([])
 

src/pyFAI/gui/CalibrationContext.py

@@ -25,7 +25,7 @@
 
 __authors__ = ["V. Valls"]
 __license__ = "MIT"
-__date__ = "16/05/2019"
+__date__ = "17/09/2024"
 
 import logging
 import numpy
@@ -71,7 +71,7 @@ def __init__(self, settings=None):
         self.__defaultColormapDialog = None
         CalibrationContext.__instance = self
         self.__calibrationModel = None
-        self.__rawColormap = Colormap("inferno", normalization=Colormap.LOGARITHM)
+        self.__rawColormap = colorutils.DEFAULT_COLORMAP
         self.__settings = settings
         self.__angleUnit = DataModel()
         self.__angleUnit.setValue(units.Unit.RADIAN)

src/pyFAI/gui/IntegrationDialog.py

@@ -36,7 +36,7 @@
 __contact__ = "[email protected]"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "05/09/2023"
+__date__ = "17/09/2024"
 __status__ = "development"
 
 import logging
@@ -57,7 +57,8 @@
 from ..utils import get_ui_file
 from ..app import integrate
 from .. import containers
-from pyFAI.gui.utils.eventutils import QtProxifier
+from .utils.eventutils import QtProxifier
+from .utils.colorutils import DEFAULT_COLORMAP
 
 
 class _ThreadSafeIntegrationProcess(QtProxifier):
@@ -148,13 +149,12 @@ def computeLocation(result):
             self._plot.setGraphXLabel("Radial")
             self._plot.setGraphYLabel("Azimuthal")
             origin, scale = computeLocation(result)
-            colormap = colors.Colormap("inferno", normalization=colors.Colormap.LOGARITHM)
             self._plot.addImage(
                 legend="result2d",
                 data=result.intensity,
                 origin=origin,
                 scale=scale,
-                colormap=colormap,
+                colormap=DEFAULT_COLORMAP,
                 resetzoom=False)
         else:
             logger.error("Unsupported result type %s", type(result))

src/pyFAI/gui/dialog/Detector3dDialog.py

@@ -25,7 +25,7 @@
 
 __authors__ = ["V. Valls"]
 __license__ = "MIT"
-__date__ = "17/12/2021"
+__date__ = "17/09/2024"
 
 import numpy
 import time
@@ -38,7 +38,7 @@
 from silx.gui import qt
 from silx.gui.plot3d.items import mesh
 from silx.gui.plot3d.SceneWindow import SceneWindow
-from silx.gui import colors
+from ..utils.colorutils import DEFAULT_COLORMAP
 
 
 class CreateSceneThread(qt.QThread):
@@ -144,7 +144,7 @@ def __createDetectorColormapMesh(self):
 
         colormap = self.__colormap
         if colormap is None:
-            colormap = colors.Colormap(name="inferno", normalization=colors.Colormap.LOGARITHM)
+            colormap = DEFAULT_COLORMAP
 
         item = mesh.ColormapMesh()
         item.moveToThread(qt.QApplication.instance().thread())

src/pyFAI/gui/matplotlib.py

@@ -33,7 +33,7 @@
 
 __authors__ = ["T. Vincent"]
 __license__ = "MIT"
-__date__ = "15/10/2021"
+__date__ = "17/09/2024"
 
 import sys
 import logging
@@ -76,3 +76,6 @@ def _configure(backend, backend_qt4=None, check=False):
 from matplotlib import pyplot  # noqa
 from matplotlib import pylab  # noqa
 from matplotlib import colors
+
+#differs from the silx one (no normalization)
+DEFAULT_MPL_COLORMAP = colors.Colormap(name="inferno")

src/pyFAI/gui/pilx/widgets/DiffractionImagePlotWidget.py

@@ -38,15 +38,13 @@
 
 import numpy
 from silx.gui.plot.items import ImageData
-from silx.gui.colors import Colormap
 
 from .ImagePlotWidget import ImagePlotWidget
 from ..models import ROI_COLOR, ImageIndices
+from ...utils.colorutils import DEFAULT_COLORMAP
 
 _LEGEND = "IMAGE"
 
-DEFAULT_COLORMAP = Colormap(name="viridis")  # TODO: grab the colormap from the application default
-
 
 class DiffractionImagePlotWidget(ImagePlotWidget):
 

src/pyFAI/gui/utils/colorutils.py

@@ -25,12 +25,15 @@
 
 __authors__ = ["V. Valls"]
 __license__ = "MIT"
-__date__ = "16/10/2020"
+__date__ = "17/09/2024"
 
 from silx.gui import qt
 from silx.gui.colors import Colormap
 
 
+DEFAULT_COLORMAP = Colormap(name="inferno", normalization=Colormap.ARCSINH)
+
+
 def getFreeColorRange(colormap):
     """
     Returns a list of 10 colors in range not covered by colormap.