A raster layer - i.e. an internet map image service (WMS, WMTS, XYZ/TMS) - or a local file (GeoTIFF format). A list of map services is available e.g. in the \"Quick Map Services\" plugin. Make sure your QGIS project has a matching CRS.
" - input_section_whatsthis = input_section_tooltip + "Select the raster data to cut and set the extent of the output raster with the two widgets below.
" - output_section_tooltip = "A raster file in an image format (PNG, JPG, GeoTIFF) with a certain smaller extent, possibly with a sidecar file (World File etc.) and eventually reprojected into a CRS and with certain resolution.
" + input_section_tooltip = 'A raster layer - i.e. an internet map image service (WMS, WMTS, XYZ/TMS) - or a local file (GeoTIFF format). A list of map services is available e.g. in the \"Quick Map Services\" plugin. Make sure your QGIS project has a matching CRS.
' + input_section_whatsthis = input_section_tooltip + 'Select the raster data to cut and set the extent of the output raster with the two widgets below.
' + output_section_tooltip = 'A raster file in an image format (PNG, JPG, GeoTIFF) with a certain smaller extent, possibly with a sidecar file (World File etc.) and eventually reprojected into a CRS and with certain resolution.
' output_section_whatsthis = output_section_tooltip self.dlg.input_section_label.setToolTip(input_section_tooltip) self.dlg.input_section_label.setToolTip(input_section_whatsthis) self.dlg.output_section_label.setToolTip(output_section_tooltip) self.dlg.output_section_label.setToolTip(output_section_whatsthis) + def input_layer_tips(self): - input_layer_tooltip = "Select the layer which should be saved as a image. Needs to be a raster layer.
" + input_layer_tooltip = 'Select the layer which should be saved as a image. Needs to be a raster layer.
' input_layer_whatsthis = input_layer_tooltip + 'Displayed in the list is the layer name, as well as the CRS (Coordinate Reference System) of the layer. The layer will be automatically reprojected into the selected CRS (see "CRS" further down).
' self.dlg.layer_label.setToolTip(input_layer_tooltip) self.dlg.layer_label.setWhatsThis(input_layer_whatsthis) self.dlg.layer_combobox.setWhatsThis(input_layer_tooltip) self.dlg.layer_combobox.setToolTip(input_layer_whatsthis) + def extent_box_tips(self): - extent_box_tooltip = "Define the extent which will be cut.
" + extent_box_tooltip = 'Define the extent which will be cut.
' extent_box_whatsthis = 'Current Layer Extent sets the extent to match the currently selected layer, to ensure the whole layer will be visible on the exported image.
Calculate from Layer allows you to set the extent to the extents of any other layer in your project.
Map Canvas Extent sets the extent to your map canvas, e.g. what you currently see. This allows for easy cropping of a part of your layer.
' self.dlg.extent_box.setToolTip(extent_box_tooltip) self.dlg.extent_box.setWhatsThis(extent_box_whatsthis) + def file_dest_tips(self): - file_dest_tooltip = "Here, one can define where the output image as well as possible sidecar files should be saved.
" - file_dest_whatsthis = file_dest_tooltip + "Open the file explorer by clicking on the button on the right with the three dots. Here, you can select the directory where the file(s) should be saved. Enter a file name without the file extension.
Choose whether to save the image as a .png or a .jpg in the dropdown. This will also affect the lexocad sidecar file, which will have the same file name as the image, but with a .jpgl/.pngl instead of the .jpg/.png ending.
" + file_dest_tooltip = 'Here, one can define where the output image as well as possible sidecar files should be saved.
' + file_dest_whatsthis = file_dest_tooltip + 'Open the file explorer by clicking on the button on the right with the three dots. Here, you can select the directory where the file(s) should be saved. Enter a file name without the file extension.
Choose whether to save the image as a .png or a .jpg in the dropdown. This will also affect the lexocad sidecar file, which will have the same file name as the image, but with a .jpgl/.pngl instead of the .jpg/.png ending.
' self.dlg.file_dest_label.setToolTip(file_dest_tooltip) self.dlg.file_dest_label.setWhatsThis(file_dest_whatsthis) self.dlg.file_dest_field.setWhatsThis(file_dest_whatsthis) @@ -62,8 +66,8 @@ def crs_tips(self): def resolution_tips(self): - resolution_tooltip = "Set output file resolution (in target georeferenced units). The resolution defines the dimensions of a pixles in map units, for x and y.
" - resolution_whatsthis = resolution_tooltip + "For example, for CH1903+ / LV95, the map unit is a meter. This means that a resolution of x: 0.5 equals two pixels for each meter on the map on the horizontal axis.
It is generally advisable to set the x and y resolution to the same value.
If a image cannot be saved because of a too large file size, increase the x and y values.
" + resolution_tooltip = 'Set output file resolution (in target georeferenced units). The resolution defines the dimensions of a pixles in map units, for x and y.
' + resolution_whatsthis = resolution_tooltip + 'For example, for CH1903+ / LV95, the map unit is a meter. This means that a resolution of x: 0.5 equals two pixels for each meter on the map on the horizontal axis.
It is generally advisable to set the x and y resolution to the same value.
If a image cannot be saved because of a too large file size, increase the x and y values.
' self.dlg.resolution_checkbox.setToolTip(resolution_tooltip) self.dlg.resolution_checkbox.setWhatsThis(resolution_whatsthis) self.dlg.x_resolution_label.setToolTip(resolution_tooltip) @@ -74,3 +78,26 @@ def resolution_tips(self): self.dlg.x_resolution_box.setWhatsThis(resolution_whatsthis) self.dlg.y_resolution_box.setToolTip(resolution_tooltip) self.dlg.y_resolution_box.setWhatsThis(resolution_whatsthis) + + +def resampling_algorithm_tips(self): + nearest_neighbour_tooltip = 'Suitable for categorical/classified mono or full color data. Pixel neighbor value is used without modification
' + nearest_neighbour_whatsthis = nearest_neighbour_tooltip + "" + + cubic_spline_tooltip = 'Suitable for continuous gray tone data. Values are interpolated
' + cubic_spline_whatsthis = cubic_spline_tooltip + '' + + + resampling_algorithm_tooltip = 'Determines how values are interpolated between known data points. This affects how sharp the exported image looks.
' + resampling_algorithm_whatsthis = resampling_algorithm_tooltip + f'Nearest Neighbour
{nearest_neighbour_tooltip}Cubic Spline
{cubic_spline_tooltip}' + + self.dlg.resampling_algorithm_label.setToolTip(resampling_algorithm_tooltip) + self.dlg.resampling_algorithm_label.setWhatsThis(resampling_algorithm_whatsthis) + + self.dlg.nearest_neighbour_radio_button.setToolTip(nearest_neighbour_tooltip) + self.dlg.nearest_neighbour_radio_button.setWhatsThis(nearest_neighbour_whatsthis) + + cubic_spline_tooltip = 'Suitable for continuous gray tone data. Values are interpolated
' + cubic_spline_whatsthis = cubic_spline_tooltip + "" + self.dlg.cubic_spline_radio_button.setToolTip(cubic_spline_tooltip) + self.dlg.cubic_spline_radio_button.setWhatsThis(cubic_spline_whatsthis) From 57b32201ea793c3899e86aef6ce73268d9a1ff00 Mon Sep 17 00:00:00 2001 From: underwhelmingToaster <65400197+underwhelmingToaster@users.noreply.github.com> Date: Mon, 27 Jun 2022 13:47:36 +0200 Subject: [PATCH 4/6] - small layout changes - filtering layer dropdown to only raster layers - changed error reporting --- raster_cutter.py | 4 +++- raster_cutter_dialog_base.ui | 29 +++++++++++++++++++---------- 2 files changed, 22 insertions(+), 11 deletions(-) diff --git a/raster_cutter.py b/raster_cutter.py index 4cae039..e132891 100644 --- a/raster_cutter.py +++ b/raster_cutter.py @@ -28,6 +28,7 @@ from qgis.core import (QgsProject, QgsMapLayer, QgsCoordinateReferenceSystem, + QgsMapLayerProxyModel, QgsTask, Qgis, QgsRasterLayer, @@ -302,6 +303,7 @@ def widget_init(self): self.dlg.resolution_checkbox.toggled.connect(lambda: on_resolution_checkbox_toggled(self)) self.dlg.file_dest_field.fileChanged.connect(lambda: on_tif_selected(self)) self.dlg.button_box.helpRequested.connect(lambda: help_mode()) + self.dlg.layer_combobox.setFilters(QgsMapLayerProxyModel.RasterLayer) # also check states when dialog is opened on_resolution_checkbox_toggled(self) @@ -583,7 +585,7 @@ def error_message(message): self = globals()['self'] QgsMessageLog.logMessage(message, MESSAGE_CATEGORY, Qgis.Critical) self.iface.messageBar().pushMessage("Error", message, level=Qgis.Critical) - raise Exception(message) + # raise Exception(message) # enter WhatsThis mode diff --git a/raster_cutter_dialog_base.ui b/raster_cutter_dialog_base.ui index 6698f7f..2ea2d35 100644 --- a/raster_cutter_dialog_base.ui +++ b/raster_cutter_dialog_base.ui @@ -7,7 +7,7 @@Suitable for continuous gray tone data. Values are interpolated
' cubic_spline_whatsthis = cubic_spline_tooltip + '' - resampling_algorithm_tooltip = 'Determines how values are interpolated between known data points. This affects how sharp the exported image looks.
' resampling_algorithm_whatsthis = resampling_algorithm_tooltip + f'Nearest Neighbour
{nearest_neighbour_tooltip}Cubic Spline
{cubic_spline_tooltip}' @@ -101,3 +101,10 @@ def resampling_algorithm_tips(self): cubic_spline_whatsthis = cubic_spline_tooltip + "" self.dlg.cubic_spline_radio_button.setToolTip(cubic_spline_tooltip) self.dlg.cubic_spline_radio_button.setWhatsThis(cubic_spline_whatsthis) + + +def add_to_map_tooltips(self): + add_to_map_tooltip = 'When checked, the generated raster image will be added to the current project as a new layer after the image has been generated.
' + add_to_map_whatsthis = add_to_map_tooltip + 'If checked, a sidecar file with the ending ".aux.xml" will be generated. This file lets QGIS and other applications know in which CRS the coordinates in the worldfile are defined.
' + self.dlg.add_to_map_checkbox.setToolTip(add_to_map_tooltip) + self.dlg.add_to_map_checkbox.setWhatsThis(add_to_map_whatsthis) From cda8bfc65bf02f239e096b77aa662387bf721c15 Mon Sep 17 00:00:00 2001 From: underwhelmingToaster <65400197+underwhelmingToaster@users.noreply.github.com> Date: Mon, 27 Jun 2022 15:42:34 +0200 Subject: [PATCH 6/6] - updated screenshot.png - added "Using this tool" in README.md --- README.md | 13 ++++++++++++- docs/screenshot.png | Bin 32161 -> 28221 bytes 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 74ecd25..05783f7 100644 --- a/README.md +++ b/README.md @@ -9,7 +9,18 @@ Additionally, the plugin can create a Worldfile and/or Lexocad sidecar file if d ### Using this tool -*Work in Progress* +1. Start QGIS - install QGIS plugin 'Raster Cutter' if necessary - and open "New Project". +2. Set the QGIS project to the CRS "EPSG:2056" (= Swiss coordinate reference system CH/LV95) (bottom right). +3. If necessary, load background/base map (e.g. OpenStreetMap or MapGeoAdmin). Make sure that the CRS is still "EPSG:2056". +4. Load raster file/data source (= input layer) (WMS, WMTS/XYZ/TMS, GeoTIFF) and zoom to the desired section. +5. Open the dialog of the 'Raster Cutter' plugin and define the necessary parameters: + 1. choose the input layer (if not already selected) + 2. set the extent by clicking on "Map Canvas Extent". + 3. Set the path and name of the output and the output format (GeoTIFF, PNG or JPG). +6. Set additional parameters if necessary (for advanced users): CRS and Output resolution. +7. finished (load and view with QGIS or Lexocad). + +(Translated from https://md.coredump.ch/2H-jGnDTSbuBk7ai0xWIxA?view#Bedienungsanleitung) ### Set up local developement diff --git a/docs/screenshot.png b/docs/screenshot.png index ddf9ae1d1163e44f56579dced2443d258962c6c6..66cfaaf1f71a6c4671d82bb1f60da29c140e8360 100644 GIT binary patch literal 28221 zcmce;2|Sxy)HkZb(TPsl5{jb(YL3)gw6s(al$wgr5M%0?8-(^~sS2vb2vXV_YKVCr z+9IZy=a`NmF;ilU=|0hO&ij7feeeD5``!Dye*E&-dp~>cwf5R;ueH~IC0G}#&U%{j zG!qjOtH#6okC~W`!hyeYCz*i~<^4f3CZ^}dHSXUtcww