Exemple #1
0
def readdxf(infile):
    infile = infile.readlines()
    file_index = 0

    block_list = []
    block_section_start_flag = False
    block_section_end_flag = False

    block_start_flag = False
    block_id_flag = False
    acbdblockbegin_flag = False
    block_end_flag = False

    line_flag = False
    polyline_flag = False

    while block_section_end_flag == False:
        infile[file_index] = infile[file_index].strip()

        if infile[file_index] == "BLOCKS":
            block_section_start_flag = True

        elif block_section_start_flag == True and infile[file_index] == "BLOCK":
            block_start_flag = True
            bloc = Block()

        elif block_start_flag == True and infile[file_index] == "330":
            block_id_flag = True

        elif block_start_flag == True and block_id_flag == True:
            bloc.id = infile[file_index]
            block_id_flag = False

        elif (
            infile[file_index] == "AcDbBlockBegin"
            and block_start_flag == True
            and infile[file_index + 1].strip() == "2"
        ):
            acbdblockbegin_flag = True
            bloc.name = infile[file_index + 2].strip()

        elif infile[file_index] == "AcDbLine" and acbdblockbegin_flag == True and block_start_flag == True:
            line_flag = True

        elif line_flag == True and acbdblockbegin_flag == True and block_start_flag == True:
            if infile[file_index] == "10" and infile[file_index + 2].strip() == "20":
                lin = Line(bloc.name)
                lin.x_start = infile[file_index + 1].strip()
                lin.y_start = infile[file_index + 3].strip()
                lin.x_end = infile[file_index + 7].strip()
                lin.y_end = infile[file_index + 9].strip()
                bloc.object_list["line"].append(lin)
                line_flag = False

        elif infile[file_index] == "AcDbPolyline" and acbdblockbegin_flag == True and block_start_flag == True:
            polyline_flag = True

        elif polyline_flag == True and acbdblockbegin_flag == True and block_start_flag == True:
            if infile[file_index] == "10" and infile[file_index + 2].strip() == "20":
                poly = Polyline(bloc.name)
                x_coordinates = infile[file_index + 1 : file_index + 14 : 4]
                for item in x_coordinates:
                    item.strip()
                y_coordinates = infile[file_index + 3 : file_index + 16 : 4]
                for item in y_coordinates:
                    item.strip()
                x_coordinates = [float(item) for item in x_coordinates]
                y_coordinates = [float(item) for item in y_coordinates]
                poly.x_bl = min(x_coordinates)
                poly.y_bl = min(y_coordinates)
                poly.x_tr = max(x_coordinates)
                poly.y_tr = max(y_coordinates)
                bloc.object_list["poly"].append(poly)
                polyline_flag = False

        elif infile[file_index] == "AcDbBlockEnd" and acbdblockbegin_flag == True and block_start_flag == True:
            acbdblockbegin_flag = False
            block_start_flag = False
            block_list.append(bloc)

        elif block_section_start_flag == True and infile[file_index] == "ENDSEC":
            block_section_end_flag = True
            block_id_flag = False

        file_index += 1

    return block_list
def readdxf(infile):
    infile = infile.readlines()
    file_index = 0

    block_record = []
    block_record_start_flag = False
    block_record_id_flag = False
    block_record_end_flag = False

#block record collection program start
#goes through dxf file and collects the unique ids of the blocks
    while block_record_end_flag == False:
        infile[file_index] = infile[file_index].strip()

        if infile[file_index] == 'BLOCK_RECORD':
            block_record_start_flag = True
            bloc_rec = Block_Record()

        elif infile[file_index] == '5':
            block_record_id_flag = True

        elif block_record_start_flag == True and block_record_id_flag == True:
            bloc_rec.name = infile[file_index]
            #l = copy.copy(bloc_rec)
            block_record.append(bloc_rec) #when using outside of class, you can append directly without the danger of overwriting

            block_record_start_flag = False
            block_record_id_flag = False

        elif infile[file_index] == 'ENDTAB':
            if infile[file_index+2].strip() == 'ENDSEC':
                block_record_start_flag = False
                block_record_id_flag = False
                block_record_end_flag = True
        file_index += 1


#block record collection program end

    block_list = []
    block_section_end_flag = False
#block collection program start
    while block_section_end_flag == False:
        block_id_flag = False
        block_acbdblockbegin_flag = False
        block_end_flag = False

        line_flag = False
        polyline_flag = False

        infile[file_index] = infile[file_index].strip()

        if infile[file_index] == 'BLOCK':
            block_start_flag = True
            bloc = Block()

        elif block_start_flag == True and infile[file_index] == '330':
            block_id_flag = True

        elif block_start_flag == True and block_id_flag == True:
            bloc.id = infile[file_index]
            block_id_flag = False

        elif infile[file_index] == 'AcDbBlockBegin' and block_start_flag == True:
            acbdblockbegin_flag = True

        elif infile[file_index] == '2' and acbdblockbegin_flag == True and block_start_flag == True:
            bloc.name = infile[file_index+1].strip()

        elif infile[file_index] == 'AcDbLine' and acbdblockbegin_flag == True and block_start_flag == True:
            line_flag = True

        elif line_flag == True and acbdblockbegin_flag == True and block_start_flag == True:
            if infile[file_index] == '10' and infile[file_index+2].strip() == '20':
                lin = Line(bloc.name)
                lin.x_start = entities[index+1].strip()
                lin.y_start = entities[index+3].strip()
                lin.x_end = entities[index+7].strip()
                lin.y_end = entities[index+9].strip()
                bloc.object_list['line'].append(lin)
                line_flag = False

        elif infile[file_index] == 'AcDbPolyline' and acbdblockbegin_flag == True and block_start_flag == True:
            polyline_flag = True

        elif polyline_flag == True and acbdblockbegin_flag == True and block_start_flag == True:
            if infile[file_index] == '10' and infile[file_index+2].strip() == '20':
                poly = Polyline(bloc.name)
                x_coordinates = entities[file_index+1:file_index+14:4].strip()
                y_coordinates = entities[file_index+3:file_index+16:4].strip()
                x_coordinates = [float(item) for item in self.x_coordinates]
                y_coordinates = [float(item) for item in self.y_coordinates]
                poly.x_bl = min(self.x_coordinates)
                poly.y_bl = min(self.y_coordinates)
                poly.x_tr = max(self.x_coordinates)
                poly.y_tr = max(self.y_coordinates)
                bloc.object_list['poly'].append(poly)
                polyline_flag = False

        elif infile[file_index] == 'AcDbBlockEnd' and acbdblockbegin_flag == True and block_start_flag == True:
            acbdblockbegin_flag = False
            block_start_flag = False
            block_list.append(bloc)

        elif infile[file_index] == 'ENDSEC':
            block_section_end_flag = True
            block_id_flag = False

        file_index += 1
Exemple #3
0
def readdxf(infile, xmlfile):

    file = ET.parse('file.xml')
    tree = file.getroot()

    infile = infile.readlines()
    file_index = 0

    block_list = []
    block_section_start_flag = False
    block_section_end_flag = False

    block_start_flag = False
    block_id_flag = False
    acbdblockbegin_flag = False
    block_end_flag = False

    line_flag = False
    polyline_flag = False

    while block_section_end_flag == False:
        infile[file_index] = infile[file_index].strip()

        if infile[file_index] == 'BLOCKS':
            block_section_start_flag = True

        elif block_section_start_flag == True and infile[file_index] == 'BLOCK':
            block_start_flag = True
            bloc = Block()

        elif block_start_flag == True and infile[file_index] == '330':
            block_id_flag = True

        elif block_start_flag == True and block_id_flag == True:
            bloc.id = infile[file_index]
            block_id_flag = False

        elif infile[file_index] == 'AcDbBlockBegin' and block_start_flag == True and infile[file_index+1].strip() == '2':
            acbdblockbegin_flag = True
            bloc.name = infile[file_index+2].strip()

        elif infile[file_index] == 'AcDbLine' and acbdblockbegin_flag == True and block_start_flag == True:
            line_flag = True

        elif line_flag == True and acbdblockbegin_flag == True and block_start_flag == True:
            if infile[file_index] == '10' and infile[file_index+2].strip() == '20':
                lin = Line(bloc.name)
                lin.x_start = infile[file_index+1].strip()
                lin.y_start = infile[file_index+3].strip()
                lin.x_end = infile[file_index+7].strip()
                lin.y_end = infile[file_index+9].strip()
                bloc.object_list['line'].append(lin)
                line_flag = False

        elif infile[file_index] == 'AcDbPolyline' and acbdblockbegin_flag == True and block_start_flag == True:
            polyline_flag = True

        elif polyline_flag == True and acbdblockbegin_flag == True and block_start_flag == True:
            if infile[file_index] == '10' and infile[file_index+2].strip() == '20':
                poly = Polyline(bloc.name)
                x_coordinates = infile[file_index+1:file_index+14:4]
                for item in x_coordinates: item.strip()
                y_coordinates = infile[file_index+3:file_index+16:4]
                for item in y_coordinates: item.strip()
                x_coordinates = [float(item) for item in x_coordinates]
                y_coordinates = [float(item) for item in y_coordinates]
                poly.x_bl = min(x_coordinates)
                poly.y_bl = min(y_coordinates)
                poly.x_tr = max(x_coordinates)
                poly.y_tr = max(y_coordinates)
                bloc.object_list['poly'].append(poly)
                polyline_flag = False

        elif infile[file_index] == 'AcDbBlockEnd' and acbdblockbegin_flag == True and block_start_flag == True:
            acbdblockbegin_flag = False
            block_start_flag = False
            block_list.append(bloc)

        elif block_section_start_flag == True and infile[file_index] == 'ENDSEC':
            block_section_end_flag = True
            block_id_flag = False

        file_index += 1

    return block_list