コード例 #1
0
def create_style(request,
                 json_data,
                 layer_id,
                 is_preview=False,
                 has_custom_legend=None):

    layer = Layer.objects.get(id=int(layer_id))
    datastore = layer.datastore
    workspace = datastore.workspace

    layer_styles = StyleLayer.objects.filter(layer=layer)
    is_default = False
    if not is_preview:
        is_default = json_data.get('is_default')
    if is_default:
        for ls in layer_styles:
            s = Style.objects.get(id=ls.style.id)
            s.is_default = False
            s.save()
    else:
        has_default_style = False
        for ls in layer_styles:
            s = Style.objects.get(id=ls.style.id)
            if s.is_default:
                has_default_style = True
        if not has_default_style:
            is_default = True

    name = json_data.get('name')
    if is_preview:
        name = name + '__tmp'
        is_default = False

    style = Style(name=name,
                  title=json_data.get('title'),
                  is_default=is_default,
                  type='CT')

    if has_custom_legend == 'true':
        style.has_custom_legend = True
        legend_name = 'legend_' + ''.join(
            random.choice(string.ascii_uppercase) for i in range(6)) + '.png'
        legend_path = utils.check_custom_legend_path()
        style.custom_legend_url = utils.save_custom_legend(
            legend_path, request.FILES['file'], legend_name)

    else:
        style.has_custom_legend = False

    style.save()
    style_layer = StyleLayer(style=style, layer=layer)
    style_layer.save()

    json_rule = json_data.get('rule')

    filter_text = ""
    if json_rule.get('filter').__len__() != 0:
        filter_text = str(json.dumps(json_rule.get('filter')))

    rule = Rule(style=style,
                name=json_rule.get('name'),
                title=json_rule.get('title'),
                abstract="",
                filter=filter_text,
                minscale=json_rule.get('minscale'),
                maxscale=json_rule.get('maxscale'),
                order=json_rule.get('order'))
    rule.save()

    color_map = ColorMap(type='ramp', extended=False)
    color_map.save()

    symbolizer = RasterSymbolizer(rule=rule,
                                  color_map=color_map,
                                  order=0,
                                  opacity=1.0)
    symbolizer.save()

    color_map_entry_list = []
    for entry in json_data.get('entries'):
        json_entry = json.loads(entry.get('json'))
        color_map_entry = ColorMapEntry(color_map=color_map,
                                        order=int(json_entry.get('order')),
                                        color=json_entry.get('color'),
                                        quantity=json_entry.get('quantity'),
                                        label=json_entry.get('label'),
                                        opacity=json_entry.get('opacity'))
        color_map_entry_list.append(color_map_entry)

    order = 0
    color_map_entry_list = sorted(
        color_map_entry_list,
        key=lambda color_map_entry: float(color_map_entry.quantity))
    for cme in color_map_entry_list:
        cme.order = order
        cme.save()
        order = order + 1

    sld_body = sld_builder.build_sld(layer, style)
    if is_preview:
        if mapservice.createOverwrittenStyle(style.name, sld_body, True):
            return True
        else:
            return False
    else:
        if mapservice.createOverwrittenStyle(style.name, sld_body, True):
            if not is_preview:
                mapservice.setLayerStyle(layer, style.name, style.is_default)
            return True

        else:
            return False
コード例 #2
0
def survey_section_update_project_operation(request, survey, section, lyorder):
    if section.layer_id != None:
        layer_delete_operation(request, section.layer_id)

    try:
        mapservice_backend.deleteTable(survey.datastore, section.name)
        mapservice_backend.deleteResource(survey.datastore.workspace,
                                          survey.datastore, section.name)
    except:
        pass

    geom_type = 'Point'
    fields = []
    field_defs = []
    field_definitions = SURVEY_FUNCTIONS
    if section.definition:
        definitions = json.loads(section.definition)
        for definition in definitions:
            form_name = definition["formname"]
            for item in definition['formitems']:
                item_type = item['type']
                for db_item in field_definitions:
                    for key in db_item:
                        if key == item_type:
                            db_type = db_item[key]['db_type']
                            if db_type != None and db_type.__len__() > 0:
                                aux = {
                                    'id':
                                    str(section.id) + '_' + form_name + '_' +
                                    item['key'],
                                    'name':
                                    form_name + '_' + item['key'],
                                    'type':
                                    db_type
                                }
                                fields.append(aux)

                                field_def = {}
                                field_def[
                                    'name'] = form_name + '_' + item['key']
                                for id, language in LANGUAGES:
                                    field_def['title-' + id] = item['title']
                                field_def['visible'] = True
                                field_def['editableactive'] = True
                                field_def['editable'] = True
                                for control_field in settings.CONTROL_FIELDS:
                                    if field_def['name'] == control_field[
                                            'name']:
                                        field_def['editableactive'] = False
                                        field_def['editable'] = False
                                field_def['infovisible'] = False
                                field_defs.append(field_def)

    section.name = prepare_string(section.name)
    mapservice_backend.createTableFromFields(survey.datastore, section.name,
                                             geom_type, section.srs, fields)

    # first create the resource on the backend
    try:
        mapservice_backend.createResource(survey.datastore.workspace,
                                          survey.datastore, section.name,
                                          section.title)
    except:
        pass

    try:
        mapservice_backend.setQueryable(survey.datastore.workspace.name,
                                        survey.datastore.name,
                                        survey.datastore.type, section.name,
                                        True)
    except:
        pass

    layer = Layer(
        datastore=survey.datastore,
        layer_group=survey.layer_group,
        name=section.name,
        title=section.title,
        abstract=section.title,
        type='v_PostGIS',
        visible=True,
        queryable=True,
        cached=False,
        single_image=False,
        time_enabled=False,
        highlight=False,
        order=lyorder,
        created_by=request.user.username,
    )
    layer.save()

    style_name = survey.datastore.workspace.name + '_' + layer.name + '_default'
    mapservice_backend.createDefaultStyle(layer, style_name)
    mapservice_backend.setLayerStyle(layer, style_name, True)
    layer = mapservice_backend.updateThumbnail(layer, 'create')
    layer.save()

    section.layer_id = layer.id
    section.save()

    layer_conf = {'fields': field_defs}
    layer.conf = layer_conf
    layer.save()

    core_utils.toc_add_layer(layer)
    mapservice_backend.createOrUpdateGeoserverLayerGroup(survey.layer_group)
    mapservice_backend.reload_nodes()

    permissionsr = SurveyReadGroup.objects.filter(survey=survey)
    permissionsw = SurveyWriteGroup.objects.filter(survey=survey)
    groupsr = []
    groupsw = []
    for permission in permissionsr:
        groupsr.append(permission.user_group)

        try:
            lwr = LayerReadGroup()
            lwr.layer = section.layer
            lwr.group = permission.user_group
            lwr.save()
        except:
            pass

    for permission in permissionsw:
        groupsw.append(permission.user_group)

        try:
            lwg = LayerWriteGroup()
            lwg.layer = section.layer
            lwg.group = permission.user_group
            lwg.save()
        except:
            pass

    mapservice_backend.setLayerDataRules(layer, groupsr, groupsw)
    mapservice_backend.reload_nodes()
コード例 #3
0
def create_style(request, json_data, layer_id, is_preview=False):

    layer = Layer.objects.get(id=int(layer_id))
    datastore = layer.datastore
    workspace = datastore.workspace

    layer_styles = StyleLayer.objects.filter(layer=layer)

    is_default = False
    if not is_preview:
        is_default = json_data.get('is_default')
    if is_default:
        for ls in layer_styles:
            s = Style.objects.get(id=ls.style.id)
            s.is_default = False
            s.save()
    else:
        has_default_style = False
        for ls in layer_styles:
            s = Style.objects.get(id=ls.style.id)
            if s.is_default:
                has_default_style = True
        if not has_default_style:
            is_default = True

    name = json_data.get('name')
    if is_preview:
        name = name + '__tmp'
        is_default = False

    style = Style(name=name,
                  title=json_data.get('title'),
                  is_default=is_default,
                  type='UV')
    if json_data.get('minscale') != '':
        style.minscale = json_data.get('minscale')
    else:
        style.minscale = -1
    if json_data.get('maxscale') != '':
        style.maxscale = json_data.get('maxscale')
    else:
        style.maxscale = -1
    style.save()
    style_layer = StyleLayer(style=style, layer=layer)
    style_layer.save()

    for r in json_data.get('rules'):
        json_rule = r.get('rule')

        filter_text = ""
        if json_rule.get('filter').__len__() != 0:
            filter_text = str(json.dumps(json_rule.get('filter')))

        rule = Rule(style=style,
                    name=json_rule.get('name'),
                    title=json_rule.get('title'),
                    abstract='',
                    filter=filter_text,
                    minscale=json_rule.get('minscale'),
                    maxscale=json_rule.get('maxscale'),
                    order=json_rule.get('order'))
        rule.save()

        for sym in r.get('symbolizers'):
            if sym.get('type') == 'PolygonSymbolizer':
                json_sym = json.loads(sym.get('json'))
                symbolizer = PolygonSymbolizer(
                    rule=rule,
                    order=int(sym.get('order')),
                    fill=json_sym.get('fill'),
                    fill_opacity=json_sym.get('fill_opacity'),
                    stroke=json_sym.get('stroke'),
                    stroke_width=json_sym.get('stroke_width'),
                    stroke_opacity=json_sym.get('stroke_opacity'),
                    stroke_dash_array=json_sym.get('stroke_dash_array'))
                symbolizer.save()

            elif sym.get('type') == 'LineSymbolizer':
                json_sym = json.loads(sym.get('json'))
                symbolizer = LineSymbolizer(
                    rule=rule,
                    order=int(sym.get('order')),
                    stroke=json_sym.get('stroke'),
                    stroke_width=json_sym.get('stroke_width'),
                    stroke_opacity=json_sym.get('stroke_opacity'),
                    stroke_dash_array=json_sym.get('stroke_dash_array'))
                symbolizer.save()

            elif sym.get('type') == 'MarkSymbolizer':
                json_sym = json.loads(sym.get('json'))
                symbolizer = MarkSymbolizer(
                    rule=rule,
                    order=int(sym.get('order')),
                    opacity=json_sym.get('opacity'),
                    size=json_sym.get('size'),
                    rotation=json_sym.get('rotation'),
                    well_known_name=json_sym.get('well_known_name'),
                    fill=json_sym.get('fill'),
                    fill_opacity=json_sym.get('fill_opacity'),
                    stroke=json_sym.get('stroke'),
                    stroke_width=json_sym.get('stroke_width'),
                    stroke_opacity=json_sym.get('stroke_opacity'),
                    stroke_dash_array=json_sym.get('stroke_dash_array'))
                symbolizer.save()

            elif sym.get('type') == 'ExternalGraphicSymbolizer':
                json_sym = json.loads(sym.get('json'))
                symbolizer = ExternalGraphicSymbolizer(
                    rule=rule,
                    order=int(sym.get('order')),
                    opacity=json_sym.get('opacity'),
                    size=json_sym.get('size'),
                    rotation=json_sym.get('rotation'),
                    online_resource=json_sym.get('online_resource'),
                    format=json_sym.get('format'))
                symbolizer.save()

            elif sym.get('type') == 'TextSymbolizer':
                json_sym = json.loads(sym.get('json'))
                symbolizer = TextSymbolizer(
                    rule=rule,
                    order=int(sym.get('order')),
                    label=json_sym.get('label'),
                    font_family=json_sym.get('font_family'),
                    font_size=json_sym.get('font_size'),
                    font_weight=json_sym.get('font_weight'),
                    font_style=json_sym.get('font_style'),
                    halo_fill=json_sym.get('halo_fill'),
                    halo_fill_opacity=json_sym.get('halo_fill_opacity'),
                    halo_radius=json_sym.get('halo_radius'),
                    fill=json_sym.get('fill'),
                    fill_opacity=json_sym.get('fill_opacity'),
                )
                symbolizer.save()

    sld_body = sld_builder.build_sld(layer, style)
    if is_preview:
        if mapservice.createOverwrittenStyle(style.name, sld_body, True):
            return True
        else:
            return False
    else:
        if mapservice.createStyle(style.name, sld_body):
            if not is_preview:
                mapservice.setLayerStyle(layer, style.name, style.is_default)
            return True

        else:
            return False