def onMouseMotion(self, event):
# Show row,col,lat,lon,image value of pixel in status bar
# and a small zoom in other preview image
if (0 <= event.xdata <= self.XSize) and (0 <= event.ydata <=
self.YSize):
# Mouse over the image
col, row = int(event.xdata), int(event.ydata)
# Warning! if row-5 or col-5 is negative => out of bounds
lat, lon = m.getLatLon(row, col, self.lat0, self.lon0, self.dlat,
self.dlon)
# Status bar sms
sms = "Row,Col = [" + str(row) + "," + str(
col) + "] | Lat,Lon = [" + str(lat) + "," + str(
lon) + "]"
sms += " | Value = " + str(self.data[row, col])
self.m_statusBar.SetStatusText(sms)
# Load small zoom
self.m_figure_preview.clear()
self.ax2 = self.m_figure_preview.add_subplot(111)
eval(
"self.ax2.imshow(self.data[row-5:row+5,col-5:col+5], cmap = cm."
+ self.m_cmb_colormap.GetValue() + ")")
self.m_canvas_preview.draw()
def onExtractClicked( self, event ):
# Get the value from image
choice = self.m_rBox_extract_input_type.GetStringSelection()
if choice == "Row/Col":
row = float(self.m_txt_lat.GetValue())
col = float(self.m_txt_lon.GetValue())
# Only to be logged
lat,lon = m.getLatLon(row,col,self.lat0, self.lon0, self.dlat, self.dlon)
else:
lat = float(self.m_txt_lat.GetValue())
lon = float(self.m_txt_lon.GetValue())
# Image indexes
row,col = m.getRowCol(lat,lon,self.lat0, self.lon0, self.dlat, self.dlon)
# Format the info to be logged
sms = "\n+ Extract operation \n"
sms += " Lat = "+ str(lat) + "\n"
sms += " Lon = "+ str(lon) + "\n"
sms += " Row = "+ str(row) + "\n"
sms += " Col = "+ str(col) + "\n"
self.m_txt_log.AppendText(sms)
if ( self.YSize < row or row < 0 ) or (self.XSize < col or col < 0 ):
# if row or col are out of bounds
self.m_txt_log.AppendText("\n Error: Row or column out of bouds")
else:
self.m_txt_extracted_value.SetValue(str(self.data[row][col]))
self.m_txt_log.AppendText(" Extracted value = "+str(self.data[row][col]))
# Scroll to show the las log added
self.m_txt_log.ShowPosition( self.m_txt_log.GetLastPosition())
def onMouseMotion( self, event ):
# Show row,col,lat,lon,image value of pixel in status bar
# and a small zoom in other preview image
if (0 <= event.xdata <= self.XSize) and (0 <= event.ydata <= self.YSize):
# Mouse over the image
col,row = int(event.xdata), int(event.ydata)
# Warning! if row-5 or col-5 is negative => out of bounds
lat,lon = m.getLatLon(row,col,self.lat0, self.lon0, self.dlat, self.dlon)
# Status bar sms
sms = "Row,Col = ["+str(row) + "," + str(col) + "] | Lat,Lon = [" + str(lat) + "," + str(lon) + "]"
sms += " | Value = " + str(self.data[row,col])
self.m_statusBar.SetStatusText(sms)
# Load small zoom
self.m_figure_preview.clear()
self.ax2 = self.m_figure_preview.add_subplot(111)
eval("self.ax2.imshow(self.data[row-5:row+5,col-5:col+5], cmap = cm." + self.m_cmb_colormap.GetValue() + ")")
self.m_canvas_preview.draw()
def onExtractClicked(self, event):
# Get the value from image
choice = self.m_rBox_extract_input_type.GetStringSelection()
if choice == "Row/Col":
row = float(self.m_txt_lat.GetValue())
col = float(self.m_txt_lon.GetValue())
# Only to be logged
lat, lon = m.getLatLon(row, col, self.lat0, self.lon0, self.dlat,
self.dlon)
else:
lat = float(self.m_txt_lat.GetValue())
lon = float(self.m_txt_lon.GetValue())
# Image indexes
row, col = m.getRowCol(lat, lon, self.lat0, self.lon0, self.dlat,
self.dlon)
# Format the info to be logged
sms = "\n+ Extract operation \n"
sms += " Lat = " + str(lat) + "\n"
sms += " Lon = " + str(lon) + "\n"
sms += " Row = " + str(row) + "\n"
sms += " Col = " + str(col) + "\n"
self.m_txt_log.AppendText(sms)
if (self.YSize < row or row < 0) or (self.XSize < col or col < 0):
# if row or col are out of bounds
self.m_txt_log.AppendText("\n Error: Row or column out of bouds")
else:
self.m_txt_extracted_value.SetValue(str(self.data[row][col]))
self.m_txt_log.AppendText(" Extracted value = " +
str(self.data[row][col]))
# Scroll to show the las log added
self.m_txt_log.ShowPosition(self.m_txt_log.GetLastPosition())
