"""! @package core.workspace @brief Open/save workspace definition file Classes: - workspace::ProcessWorkspaceFile - workspace::WriteWorkspaceFile - workspace::ProcessGrcFile (C) 2007-2011 by the GRASS Development Team This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details. @author Martin Landa """ import os import wx from core.utils import normalize_whitespace from core.settings import UserSettings from core.gcmd import EncodeString, GetDefaultEncoding from nviz.main import NvizSettings class ProcessWorkspaceFile: def __init__(self, tree): """!A ElementTree handler for the GXW XML file, as defined in grass-gxw.dtd. """ self.tree = tree self.root = self.tree.getroot() # # layer manager properties # self.layerManager = {} self.layerManager['pos'] = None # window position self.layerManager['size'] = None # window size # # list of mapdisplays # self.displays = [] # # list of map layers # self.layers = [] # # nviz state # self.nviz_state = {} self.displayIndex = -1 # first display has index '0' self.__processFile() if NvizSettings: self.nvizDefault = NvizSettings() else: self.nvizDefault = None def __filterValue(self, value): """!Filter value @param value """ value = value.replace('<', '<') value = value.replace('>', '>') return value def __getNodeText(self, node, tag, default = ''): """!Get node text""" p = node.find(tag) if p is not None: return normalize_whitespace(p.text) return default def __processFile(self): """!Process workspace file""" # # layer manager # node_lm = self.root.find('layer_manager') if node_lm is not None: posAttr = node_lm.get('dim', '') if posAttr: posVal = map(int, posAttr.split(',')) try: self.layerManager['pos'] = (posVal[0], posVal[1]) self.layerManager['size'] = (posVal[2], posVal[3]) except: pass # # displays # for display in self.root.findall('display'): self.displayIndex += 1 # window position and size posAttr = display.get('dim', '') if posAttr: posVal = map(int, posAttr.split(',')) try: pos = (posVal[0], posVal[1]) size = (posVal[2], posVal[3]) except: pos = None size = None else: pos = None size = None extentAttr = display.get('extent', '') if extentAttr: # w, s, e, n extent = map(float, extentAttr.split(',')) else: extent = None # projection node_projection = display.find('projection') if node_projection is not None: projection = { 'enabled' : True, 'epsg' : node_projection.get('epsg', ''), 'proj' : self.__getNodeText(node_projection, 'value') } else: projection = { 'enabled' : False } self.displays.append( { "name" : display.get('name'), "render" : bool(int(display.get('render', "0"))), "mode" : int(display.get('mode', 0)), "showCompExtent" : bool(int(display.get('showCompExtent', "0"))), "pos" : pos, "size" : size, "extent" : extent, "alignExtent" : bool(int(display.get('alignExtent', "0"))), "constrainRes" : bool(int(display.get('constrainRes', "0"))), "projection" : projection, "viewMode" : display.get('viewMode', '2d')} ) # process all layers/groups in the display self.__processLayers(display) # process nviz_state self.__processNvizState(display) def __processLayers(self, node, inGroup = -1): """!Process layers/groups of selected display @param node display tree node @param inGroup in group -> index of group item otherwise -1 """ for item in node.getchildren(): if item.tag == 'group': # -> group self.layers.append( { "type" : 'group', "name" : item.get('name', ''), "checked" : bool(int(item.get('checked', "0"))), "opacity" : None, "cmd" : None, "group" : inGroup, "display" : self.displayIndex, "vdigit" : None, "nviz" : None}) self.__processLayers(item, inGroup = len(self.layers) - 1) # process items in group elif item.tag == 'layer': cmd, selected, vdigit, nviz = self.__processLayer(item) lname = item.get('name', None) if lname and '\\n' in lname: lname = lname.replace('\\n', os.linesep) self.layers.append( { "type" : item.get('type', None), "name" : lname, "checked" : bool(int(item.get('checked', "0"))), "opacity" : float(item.get('opacity', '1.0')), "cmd" : cmd, "group" : inGroup, "display" : self.displayIndex, "selected" : selected, "vdigit" : vdigit, "nviz" : nviz } ) def __processLayer(self, layer): """!Process layer item @param layer tree node """ cmd = list() # # layer attributes (task) - 2D settings # node_task = layer.find('task') cmd.append(node_task.get('name', "unknown")) # flags for p in node_task.findall('flag'): flag = p.get('name', '') if len(flag) > 1: cmd.append('--' + flag) else: cmd.append('-' + flag) # parameters for p in node_task.findall('parameter'): cmd.append('%s=%s' % (p.get('name', ''), self.__filterValue(self.__getNodeText(p, 'value')))) if layer.find('selected') is not None: selected = True else: selected = False # # Vector digitizer settings # node_vdigit = layer.find('vdigit') if node_vdigit is not None: vdigit = self.__processLayerVdigit(node_vdigit) else: vdigit = None # # Nviz (3D settings) # node_nviz = layer.find('nviz') if node_nviz is not None: nviz = self.__processLayerNviz(node_nviz) else: nviz = None return (cmd, selected, vdigit, nviz) def __processLayerVdigit(self, node_vdigit): """!Process vector digitizer layer settings @param node_vdigit vdigit node """ # init nviz layer properties vdigit = dict() for node in node_vdigit.findall('geometryAttribute'): if 'geomAttr' not in vdigit: vdigit['geomAttr'] = dict() type = node.get('type') vdigit['geomAttr'][type] = dict() vdigit['geomAttr'][type]['column'] = node.get('column') # required # default map units vdigit['geomAttr'][type]['units'] = node.get('units', 'mu') return vdigit def __processLayerNviz(self, node_nviz): """!Process 3D layer settings @param node_nviz nviz node """ # init nviz layer properties nviz = {} if node_nviz.find('surface') is not None: # -> raster nviz['surface'] = {} for sec in ('attribute', 'draw', 'position'): nviz['surface'][sec] = {} elif node_nviz.find('vlines') is not None or \ node_nviz.find('vpoints') is not None: # -> vector nviz['vector'] = {} for sec in ('lines', 'points'): nviz['vector'][sec] = {} if 'surface' in nviz: node_surface = node_nviz.find('surface') # attributes for attrb in node_surface.findall('attribute'): tagName = str(attrb.tag) attrbName = attrb.get('name', '') dc = nviz['surface'][tagName][attrbName] = {} if attrb.get('map', '0') == '0': dc['map'] = False else: dc['map'] = True value = self.__getNodeText(attrb, 'value') try: dc['value'] = int(value) except ValueError: try: dc['value'] = float(value) except ValueError: dc['value'] = str(value) # draw node_draw = node_surface.find('draw') if node_draw is not None: tagName = str(node_draw.tag) nviz['surface'][tagName]['all'] = False nviz['surface'][tagName]['mode'] = {} nviz['surface'][tagName]['mode']['value'] = -1 # to be calculated nviz['surface'][tagName]['mode']['desc'] = {} nviz['surface'][tagName]['mode']['desc']['shading'] = \ str(node_draw.get('shading', '')) nviz['surface'][tagName]['mode']['desc']['style'] = \ str(node_draw.get('style', '')) nviz['surface'][tagName]['mode']['desc']['mode'] = \ str(node_draw.get('mode', '')) # resolution for node_res in node_draw.findall('resolution'): resType = str(node_res.get('type', '')) if 'resolution' not in nviz['surface']['draw']: nviz['surface']['draw']['resolution'] = {} value = int(self.__getNodeText(node_res, 'value')) nviz['surface']['draw']['resolution'][resType] = value # wire-color node_wire_color = node_draw.find('wire_color') if node_wire_color is not None: nviz['surface']['draw']['wire-color'] = {} value = str(self.__getNodeText(node_wire_color, 'value')) nviz['surface']['draw']['wire-color']['value'] = value # position node_pos = node_surface.find('position') if node_pos is not None: dc = nviz['surface']['position'] = {} for coor in ['x', 'y', 'z']: node = node_pos.find(coor) if node is None: continue value = int(self.__getNodeText(node_pos, coor)) dc[coor] = value elif 'vector' in nviz: # vpoints node_vpoints = node_nviz.find('vpoints') if node_vpoints is not None: marker = str(node_vpoints.get('marker', '')) markerId = list(UserSettings.Get(group='nviz', key='vector', subkey=['points', 'marker'], internal=True)).index(marker) nviz['vector']['points']['marker'] = { 'value' : markerId } node_mode = node_vpoints.find('mode') if node_mode is not None: nviz['vector']['points']['mode'] = {} nviz['vector']['points']['mode']['type'] = str(node_mode.get('type', 'surface')) nviz['vector']['points']['mode']['surface'] = {} nviz['vector']['points']['mode']['surface']['value'] = [] nviz['vector']['points']['mode']['surface']['show'] = [] # map for node_map in node_mode.findall('map'): nviz['vector']['points']['mode']['surface']['value'].append( self.__processLayerNvizNode(node_map, 'name', str)) nviz['vector']['points']['mode']['surface']['show'].append(bool( self.__processLayerNvizNode(node_map, 'checked', int))) # color self.__processLayerNvizNode(node_vpoints, 'color', str, nviz['vector']['points']) # width self.__processLayerNvizNode(node_vpoints, 'width', int, nviz['vector']['points']) # height self.__processLayerNvizNode(node_vpoints, 'height', float, nviz['vector']['points']) # height self.__processLayerNvizNode(node_vpoints, 'size', float, nviz['vector']['points']) # vlines node_vlines = node_nviz.find('vlines') if node_vlines is not None: node_mode = node_vlines.find('mode') if node_mode is not None: nviz['vector']['lines']['mode'] = {} nviz['vector']['lines']['mode']['type'] = str(node_mode.get('type', '')) nviz['vector']['lines']['mode']['surface'] = {} nviz['vector']['lines']['mode']['surface']['value'] = [] nviz['vector']['lines']['mode']['surface']['show'] = [] # map for node_map in node_mode.findall('map'): nviz['vector']['lines']['mode']['surface']['value'].append( self.__processLayerNvizNode(node_map, 'name', str)) nviz['vector']['lines']['mode']['surface']['show'].append(bool( self.__processLayerNvizNode(node_map, 'checked', int))) # color self.__processLayerNvizNode(node_vlines, 'color', str, nviz['vector']['lines']) # width self.__processLayerNvizNode(node_vlines, 'width', int, nviz['vector']['lines']) # height self.__processLayerNvizNode(node_vlines, 'height', int, nviz['vector']['lines']) return nviz def __processLayerNvizNode(self, node, tag, cast, dc = None): """!Process given tag nviz/vector""" node_tag = node.find(tag) if node_tag is not None: if node_tag.find('value') is not None: value = cast(self.__getNodeText(node_tag, 'value')) else: try: value = cast(node_tag.text) except ValueError: if cast == str: value = '' else: value = None if dc: dc[tag] = dict() dc[tag]['value'] = value else: return value def __processNvizState(self, node): """!Process tag nviz_state""" node_state = node.find('nviz_state') if node_state is None: return self.nviz_state['display'] = self.displayIndex # # view # node_view = node_state.find('view') view = {} iview = {} node_position = node_view.find('v_position') view['position'] = {} view['position']['x'] = self.__processLayerNvizNode(node_position, 'x', float) view['position']['y'] = self.__processLayerNvizNode(node_position, 'y', float) node_persp = node_view.find('persp') view['persp'] = {} iview['persp'] = {} view['persp']['value'] = self.__processLayerNvizNode(node_persp, 'value', int) view['persp']['step'] = self.__processLayerNvizNode(node_persp, 'step', int) iview['persp']['min'] = self.__processLayerNvizNode(node_persp, 'min', int) iview['persp']['max'] = self.__processLayerNvizNode(node_persp, 'max', int) node_height = node_view.find('v_height') iview['height'] = {} iview['height']['value'] = self.__processLayerNvizNode(node_height, 'value', int) iview['height']['min'] = self.__processLayerNvizNode(node_height, 'min', int) iview['height']['max'] = self.__processLayerNvizNode(node_height, 'max', int) node_twist = node_view.find('twist') view['twist'] = {} iview['twist'] = {} view['twist']['value'] = self.__processLayerNvizNode(node_twist, 'value', int) iview['twist']['min'] = self.__processLayerNvizNode(node_twist, 'min', int) iview['twist']['max'] = self.__processLayerNvizNode(node_twist, 'max', int) node_zexag = node_view.find('z-exag') view['z-exag'] = {} iview['z-exag'] = {} view['z-exag']['value'] = self.__processLayerNvizNode(node_zexag, 'value', float) view['z-exag']['min'] = self.__processLayerNvizNode(node_zexag, 'min', int) view['z-exag']['max'] = self.__processLayerNvizNode(node_zexag, 'max', int) iview['z-exag']['llRatio'] = self.__processLayerNvizNode(node_zexag, 'llRatio', float) node_focus = node_view.find('focus') iview['focus'] = {} iview['focus']['x'] = self.__processLayerNvizNode(node_focus, 'x', int) iview['focus']['y'] = self.__processLayerNvizNode(node_focus, 'y', int) iview['focus']['z'] = self.__processLayerNvizNode(node_focus, 'z', int) node_dir = node_view.find('dir') if node_dir: iview['dir'] = {} iview['dir']['x'] = self.__processLayerNvizNode(node_dir, 'x', int) iview['dir']['y'] = self.__processLayerNvizNode(node_dir, 'y', int) iview['dir']['z'] = self.__processLayerNvizNode(node_dir, 'z', int) iview['dir']['use'] = True else: iview['dir'] = {} iview['dir']['x'] = -1 iview['dir']['y'] = -1 iview['dir']['z'] = -1 iview['dir']['use'] = False view['background'] = {} color = self.__processLayerNvizNode(node_view, 'background_color', str) view['background']['color'] = tuple(map(int, color.split(':'))) self.nviz_state['view'] = view self.nviz_state['iview'] = iview # # light # node_light = node_state.find('light') light = {} node_position = node_light.find('l_position') light['position'] = {} light['position']['x'] = self.__processLayerNvizNode(node_position, 'x', float) light['position']['y'] = self.__processLayerNvizNode(node_position, 'y', float) light['position']['z'] = self.__processLayerNvizNode(node_position, 'z', int) light['bright'] = self.__processLayerNvizNode(node_light, 'bright', int) light['ambient'] = self.__processLayerNvizNode(node_light, 'ambient', int) color = self.__processLayerNvizNode(node_light, 'color', str) light['color'] = tuple(map(int, color.split(':'))) self.nviz_state['light'] = light node_constants = node_state.find('constant_planes') constants = [] if node_constants: for i, node_plane in enumerate(node_constants.findall('plane')): plane = {} plane['color'] = self.__processLayerNvizNode(node_plane, 'color', str) plane['resolution'] = self.__processLayerNvizNode(node_plane, 'fine_resolution', int) plane['value'] = self.__processLayerNvizNode(node_plane, 'height', int) plane['object'] = {} constants.append({'constant': plane}) self.nviz_state['constants'] = constants class WriteWorkspaceFile(object): """!Generic class for writing workspace file""" def __init__(self, lmgr, file): self.file = file self.lmgr = lmgr self.indent = 0 # write header self.file.write('\n' % GetDefaultEncoding(forceUTF8 = True)) self.file.write('\n') self.file.write('%s\n' % (' ' * self.indent)) self.indent =+ 4 # layer manager windowPos = self.lmgr.GetPosition() windowSize = self.lmgr.GetSize() file.write('%s\n' % (' ' * self.indent, windowPos[0], windowPos[1], windowSize[0], windowSize[1] )) file.write('%s\n' % (' ' * self.indent)) # list of displays for page in range(0, self.lmgr.gm_cb.GetPageCount()): dispName = self.lmgr.gm_cb.GetPageText(page) mapTree = self.lmgr.gm_cb.GetPage(page).maptree region = mapTree.Map.region displayPos = mapTree.mapdisplay.GetPosition() displaySize = mapTree.mapdisplay.GetSize() if mapTree.mapdisplay.toolbars['map'].combo.GetSelection() == 1: viewmode = '3d' else: viewmode = '2d' file.write('%s\n' % (' ' * self.indent, dispName.encode('utf8'), int(mapTree.mapdisplay.GetProperty('render')), mapTree.mapdisplay.statusbarManager.GetMode(), int(mapTree.mapdisplay.GetProperty('region')), int(mapTree.mapdisplay.GetProperty('alignExtent')), int(mapTree.mapdisplay.GetProperty('resolution')), displayPos[0], displayPos[1], displaySize[0], displaySize[1], region['w'], region['s'], region['e'], region['n'], viewmode )) # projection statusbar info if mapTree.mapdisplay.GetProperty('projection') and \ UserSettings.Get(group='display', key='projection', subkey='proj4'): self.indent += 4 file.write('%s\n') proj = UserSettings.Get(group='display', key='projection', subkey='proj4') self.indent += 4 file.write('%s%s\n' % (' ' * self.indent, proj)) self.indent -= 4 file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 # list of layers item = mapTree.GetFirstChild(mapTree.root)[0] self.__writeLayer(mapTree, item) if mapTree.mapdisplay.MapWindow3D is not None: nvizDisp = mapTree.mapdisplay.MapWindow3D self.__writeNvizState(view = nvizDisp.view, iview = nvizDisp.iview, light = nvizDisp.light, constants = nvizDisp.constants) file.write('%s\n' % (' ' * self.indent)) self.indent =- 4 file.write('%s\n' % (' ' * self.indent)) def __filterValue(self, value): """!Make value XML-valid""" value = value.replace('<', '<') value = value.replace('>', '>') return value def __writeLayer(self, mapTree, item): """!Write bunch of layers to GRASS Workspace XML file""" self.indent += 4 itemSelected = mapTree.GetSelections() while item and item.IsOk(): type = mapTree.GetPyData(item)[0]['type'] if type != 'group': maplayer = mapTree.GetPyData(item)[0]['maplayer'] else: maplayer = None checked = int(item.IsChecked()) if type == 'command': cmd = mapTree.GetPyData(item)[0]['maplayer'].GetCmd(string=True) self.file.write('%s\n' % \ (' ' * self.indent, type, EncodeString(cmd), checked)); self.file.write('%s\n' % (' ' * self.indent)); elif type == 'group': name = mapTree.GetItemText(item) self.file.write('%s\n' % \ (' ' * self.indent, EncodeString(name), checked)); self.indent += 4 subItem = mapTree.GetFirstChild(item)[0] self.__writeLayer(mapTree, subItem) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)); else: cmd = mapTree.GetPyData(item)[0]['maplayer'].GetCmd(string = False) name = mapTree.GetItemText(item).replace(os.linesep, '\\n') opacity = maplayer.GetOpacity(float = True) # remove 'opacity' part if opacity < 1: name = name.split('(', -1)[0].strip() self.file.write('%s\n' % \ (' ' * self.indent, type, EncodeString(name), checked, opacity)); self.indent += 4 # selected ? if item in itemSelected: self.file.write('%s\n' % (' ' * self.indent)) # layer properties self.file.write('%s\n' % (' ' * self.indent, cmd[0])) self.indent += 4 for key, val in cmd[1].iteritems(): if key == 'flags': for f in val: self.file.write('%s\n' % (' ' * self.indent, f)) elif val in (True, False): self.file.write('%s\n' % (' ' * self.indent, key)) else: # parameter self.file.write('%s\n' % (' ' * self.indent, key)) self.indent += 4 self.file.write('%s%s\n' % (' ' * self.indent, self.__filterValue(val))) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)); self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)); # vector digitizer vdigit = mapTree.GetPyData(item)[0]['vdigit'] if vdigit: self.file.write('%s\n' % (' ' * self.indent)) if 'geomAttr' in vdigit: self.indent += 4 for type, val in vdigit['geomAttr'].iteritems(): units = '' if val['units'] != 'mu': units = ' units="%s"' % val['units'] self.file.write('%s\n' % \ (' ' * self.indent, type, val['column'], units)) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # nviz nviz = mapTree.GetPyData(item)[0]['nviz'] if nviz: self.file.write('%s\n' % (' ' * self.indent)) if maplayer.type == 'raster': self.__writeNvizSurface(nviz['surface']) elif maplayer.type == 'vector': self.__writeNvizVector(nviz['vector']) self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) item = mapTree.GetNextSibling(item) self.indent -= 4 def __writeNvizSurface(self, data): """!Save Nviz raster layer properties to workspace @param data Nviz layer properties """ if 'object' not in data: # skip disabled return self.indent += 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 for attrb in data.iterkeys(): if len(data[attrb]) < 1: # skip empty attributes continue if attrb == 'object': continue for name in data[attrb].iterkeys(): # surface attribute if attrb == 'attribute': if data[attrb][name]['map'] is None: continue self.file.write('%s<%s name="%s" map="%d">\n' % \ (' ' * self.indent, attrb, name, data[attrb][name]['map'])) self.indent += 4 self.file.write('%s%s\n' % (' ' * self.indent, data[attrb][name]['value'])) self.indent -= 4 # end tag self.file.write('%s\n' % (' ' * self.indent, attrb)) # draw mode if attrb == 'draw': self.file.write('%s<%s' %(' ' * self.indent, attrb)) if 'mode' in data[attrb]: for tag, value in data[attrb]['mode']['desc'].iteritems(): self.file.write(' %s="%s"' % (tag, value)) self.file.write('>\n') # if 'resolution' in data[attrb]: self.indent += 4 for type in ('coarse', 'fine'): self.file.write('%s\n' % (' ' * self.indent, type)) self.indent += 4 self.file.write('%s%d\n' % (' ' * self.indent, data[attrb]['resolution'][type])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) if 'wire-color' in data[attrb]: self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%s\n' % (' ' * self.indent, data[attrb]['wire-color']['value'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 # position elif attrb == 'position': self.file.write('%s<%s>\n' %(' ' * self.indent, attrb)) i = 0 for tag in ('x', 'y', 'z'): self.indent += 4 self.file.write('%s<%s>%d\n' % (' ' * self.indent, tag, data[attrb][tag], tag)) i += 1 self.indent -= 4 if attrb != 'attribute': # end tag self.file.write('%s\n' % (' ' * self.indent, attrb)) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 def __writeNvizVector(self, data): """!Save Nviz vector layer properties (lines/points) to workspace @param data Nviz layer properties """ self.indent += 4 for attrb in data.iterkeys(): if len(data[attrb]) < 1: # skip empty attributes continue if 'object' not in data[attrb]: # skip disabled continue if attrb == 'lines': self.file.write('%s\n' % (' ' * self.indent, attrb)) elif attrb == 'points': markerId = data[attrb]['marker']['value'] marker = UserSettings.Get(group = 'nviz', key = 'vector', subkey = ['points', 'marker'], internal = True)[markerId] self.file.write('%s\n' % (' ' * self.indent, attrb, marker)) self.indent += 4 for name in data[attrb].iterkeys(): if name in ('object', 'marker'): continue if name == 'mode': self.file.write('%s<%s type="%s">\n' % (' ' * self.indent, name, data[attrb][name]['type'])) if data[attrb][name]['type'] == 'surface': self.indent += 4 for idx, surface in enumerate(data[attrb][name]['surface']['value']): checked = data[attrb][name]['surface']['show'][idx] self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%s\n' % (' ' * self.indent, surface)) self.file.write('%s%s\n' % (' ' * self.indent, int(checked))) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 self.file.write('%s\n' % ((' ' * self.indent, name))) else: self.file.write('%s<%s>\n' % (' ' * self.indent, name)) self.indent += 4 self.file.write('%s%s\n' % (' ' * self.indent, data[attrb][name]['value'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent, name)) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent, attrb)) self.indent -= 4 def __writeNvizState(self, view, iview, light, constants): """"!Save Nviz properties (view, light) to workspace @param view Nviz view properties @param iview Nviz internal view properties @param light Nviz light properties """ self.indent += 4 self.file.write('%s\n' % (' ' * self.indent)) # # view # self.indent += 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 # position self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%.2f\n' % (' ' * self.indent, view['position']['x'])) self.file.write('%s%.2f\n' % (' ' * self.indent, view['position']['y'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # perspective self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%d\n' % (' ' * self.indent, view['persp']['value'])) self.file.write('%s%d\n' % (' ' * self.indent, view['persp']['step'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['persp']['min'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['persp']['max'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # height self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%d\n' % (' ' * self.indent, iview['height']['value'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['height']['min'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['height']['max'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # twist self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%d\n' % (' ' * self.indent, view['twist']['value'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['twist']['min'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['twist']['max'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # z-exag self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%.2f\n' % (' ' * self.indent, view['z-exag']['value'])) self.file.write('%s%d\n' % (' ' * self.indent, view['z-exag']['min'])) self.file.write('%s%d\n' % (' ' * self.indent, view['z-exag']['max'])) self.file.write('%s%.2f\n' % (' ' * self.indent, iview['z-exag']['llRatio'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # focus (look here) self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%d\n' % (' ' * self.indent, iview['focus']['x'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['focus']['y'])) self.file.write('%s%d\n' % (' ' * self.indent, iview['focus']['z'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # background self.__writeTagWithValue('background_color', view['background']['color'][:3], format = 'd:%d:%d') self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # # light # self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 # position self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.file.write('%s%.2f\n' % (' ' * self.indent, light['position']['x'])) self.file.write('%s%.2f\n' % (' ' * self.indent, light['position']['y'])) self.file.write('%s%d\n' % (' ' * self.indent, light['position']['z'])) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # bright self.__writeTagWithValue('bright', light['bright']) # ambient self.__writeTagWithValue('ambient', light['ambient']) # color self.__writeTagWithValue('color', light['color'][:3], format = 'd:%d:%d') self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) # # constant planes # if constants: self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 for idx, plane in enumerate(constants): self.file.write('%s\n' % (' ' * self.indent)) self.indent += 4 self.__writeTagWithValue('height', constants[idx]['constant']['value']) self.__writeTagWithValue('fine_resolution', constants[idx]['constant']['resolution']) self.__writeTagWithValue('color', constants[idx]['constant']['color'], format = 's') self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent)) self.indent -= 4 def __writeTagWithValue(self, tag, data, format = 'd'): """!Helper function for writing pair tag @param tag written tag @param data written data @param format conversion type """ self.file.write('%s<%s>\n' % (' ' * self.indent, tag)) self.indent += 4 self.file.write('%s' % (' ' * self.indent)) self.file.write(('%' + format + '\n') % data) self.indent -= 4 self.file.write('%s\n' % (' ' * self.indent, tag)) class ProcessGrcFile(object): def __init__(self, filename): """!Process GRC file""" self.filename = filename # elements self.inGroup = False self.inRaster = False self.inVector = False # list of layers self.layers = [] # error message self.error = '' self.num_error = 0 def read(self, parent): """!Read GRC file @param parent parent window @return list of map layers """ try: file = open(self.filename, "r") except IOError: wx.MessageBox(parent=parent, message=_("Unable to open file <%s> for reading.") % self.filename, caption=_("Error"), style=wx.OK | wx.ICON_ERROR) return [] line_id = 1 for line in file.readlines(): self.process_line(line.rstrip('\n'), line_id) line_id +=1 file.close() if self.num_error > 0: wx.MessageBox(parent=parent, message=_("Some lines were skipped when reading settings " "from file <%(file)s>.\nSee 'Command output' window for details.\n\n" "Number of skipped lines: %(line)d") % \ { 'file' : self.filename, 'line' : self.num_error }, caption=_("Warning"), style=wx.OK | wx.ICON_EXCLAMATION) parent.goutput.WriteLog('Map layers loaded from GRC file <%s>' % self.filename) parent.goutput.WriteLog('Skipped lines:\n%s' % self.error) return self.layers def process_line(self, line, line_id): """!Process line definition""" element = self._get_element(line) if element == 'Group': self.groupName = self._get_value(line) self.layers.append({ "type" : 'group', "name" : self.groupName, "checked" : None, "opacity" : None, "cmd" : None, "group" : self.inGroup, "display" : 0 }) self.inGroup = True elif element == '_check': if int(self._get_value(line)) == 1: self.layers[-1]['checked'] = True else: self.layers[-1]['checked'] = False elif element == 'End': if self.inRaster: self.inRaster = False elif self.inVector: self.inVector = False elif self.inGroup: self.inGroup = False elif self.inGridline: self.inGridline = False elif element == 'opacity': self.layers[-1]['opacity'] = float(self._get_value(line)) # raster elif element == 'Raster': self.inRaster = True self.layers.append({ "type" : 'raster', "name" : self._get_value(line), "checked" : None, "opacity" : None, "cmd" : ['d.rast'], "group" : self.inGroup, "display" : 0}) elif element == 'map' and self.inRaster: self.layers[-1]['cmd'].append('map=%s' % self._get_value(line)) elif element == 'overlay' and self.inRaster: if int(self._get_value(line)) == 1: self.layers[-1]['cmd'].append('-o') elif element == 'rastquery' and self.inRaster: value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('catlist=%s' % value) elif element == 'bkcolor' and self.inRaster: value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('bg=%s' % value) # vector elif element == 'Vector': self.inVector = True self.layers.append({ "type" : 'vector', "name" : self._get_value(line), "checked" : None, "opacity" : None, "cmd" : ['d.vect'], "group" : self.inGroup, "display" : 0}) elif element == 'vect' and self.inVector: self.layers[-1]['cmd'].append('map=%s' % self._get_value(line)) elif element in ('display_shape', 'display_cat', 'display_topo', 'display_dir', 'display_attr', 'type_point', 'type_line', 'type_boundary', 'type_centroid', 'type_area', 'type_face') and self.inVector: if int(self._get_value(line)) == 1: name = element.split('_')[0] type = element.split('_')[1] paramId = self._get_cmd_param_index(self.layers[-1]['cmd'], name) if paramId == -1: self.layers[-1]['cmd'].append('%s=%s' % (name, type)) else: self.layers[-1]['cmd'][paramId] += ',%s' % type elif element in ('color', 'fcolor', 'lcolor') and self.inVector: value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('%s=%s' % (element, self._color_name_to_rgb(value))) elif element == 'rdmcolor' and self.inVector: if int(self._get_value(line)) == 1: self.layers[-1]['cmd'].append('-c') elif element == 'sqlcolor' and self.inVector: if int(self._get_value(line)) == 1: self.layers[-1]['cmd'].append('-a') elif element in ('icon', 'size', 'layer', 'xref', 'yref', 'lsize', 'where', 'minreg', 'maxreg') and self.inVector: value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('%s=%s' % (element, value)) elif element == 'lwidth': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('width=%s' % value) elif element == 'lfield': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('llayer=%s' % value) elif element == 'attribute': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('attrcol=%s' % value) elif element == 'cat': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('cats=%s' % value) # gridline elif element == 'gridline': self.inGridline = True self.layers.append({ "type" : 'grid', "name" : self._get_value(line), "checked" : None, "opacity" : None, "cmd" : ['d.grid'], "group" : self.inGroup, "display" : 0}) elif element == 'gridcolor': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('color=%s' % self._color_name_to_rgb(value)) elif element == 'gridborder': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('bordercolor=%s' % self._color_name_to_rgb(value)) elif element == 'textcolor': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('textcolor=%s' % self._color_name_to_rgb(value)) elif element in ('gridsize', 'gridorigin'): value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('%s=%s' % (element[4:], value)) elif element in 'fontsize': value = self._get_value(line) if value != '': self.layers[-1]['cmd'].append('%s=%s' % (element, value)) elif element == 'griddraw': value = self._get_value(line) if value == '0': self.layers[-1]['cmd'].append('-n') elif element == 'gridgeo': value = self._get_value(line) if value == '1': self.layers[-1]['cmd'].append('-g') elif element == 'borderdraw': value = self._get_value(line) if value == '0': self.layers[-1]['cmd'].append('-b') elif element == 'textdraw': value = self._get_value(line) if value == '0': self.layers[-1]['cmd'].append('-t') else: self.error += _(' row %d:') % line_id + line + os.linesep self.num_error += 1 def _get_value(self, line): """!Get value of element""" try: return line.strip(' ').split(' ')[1].strip(' ') except: return '' def _get_element(self, line): """!Get element tag""" return line.strip(' ').split(' ')[0].strip(' ') def _get_cmd_param_index(self, cmd, name): """!Get index of parameter in cmd list @param cmd cmd list @param name parameter name @return index @return -1 if not found """ i = 0 for param in cmd: if '=' not in param: i += 1 continue if param.split('=')[0] == name: return i i += 1 return -1 def _color_name_to_rgb(self, value): """!Convert color name (#) to rgb values""" col = wx.NamedColour(value) return str(col.Red()) + ':' + \ str(col.Green()) + ':' + \ str(col.Blue())