| 42 | #include <string.h> |
| 43 | |
| 44 | BOOL LASreaderStored::open(LASreader* lasreader) |
| 45 | { |
| 46 | if (lasreader == 0) |
| 47 | { |
| 48 | laserror("no lasreader"); |
| 49 | return FALSE; |
| 50 | } |
| 51 | |
| 52 | // store a reference to the actual lasreader |
| 53 | |
| 54 | this->lasreader = lasreader; |
| 55 | |
| 56 | // populate our header from the actual header |
| 57 | header = lasreader->header; |
| 58 | |
| 59 | // zero the pointers of the other header so they don't get deallocated twice |
| 60 | lasreader->header.unlink(); |
| 61 | |
| 62 | // special check for attributes in extra bytes |
| 63 | if (header.number_attributes) |
| 64 | { |
| 65 | header.number_attributes = 0; |
| 66 | header.init_attributes(lasreader->header.number_attributes, lasreader->header.attributes); |
| 67 | } |
| 68 | |
| 69 | // initialize the point with the header info |
| 70 | |
| 71 | if (header.laszip) |
| 72 | { |
| 73 | if (!point.init(&header, header.laszip->num_items, header.laszip->items)) return FALSE; |
| 74 | } |
| 75 | else |
| 76 | { |
| 77 | if (!point.init(&header, header.point_data_format, header.point_data_record_length)) return FALSE; |
| 78 | } |
| 79 | |
| 80 | // create the stream output array |
| 81 | |
| 82 | if (streamoutarray) delete streamoutarray; |
| 83 | streamoutarray = 0; |
| 84 | |
| 85 | if (Endian::IS_LITTLE_ENDIAN) |
| 86 | streamoutarray = new ByteStreamOutArrayLE((header.number_of_point_records ? (I64)header.number_of_point_records : header.extended_number_of_point_records)*2); |
| 87 | else |
| 88 | streamoutarray = new ByteStreamOutArrayBE((header.number_of_point_records ? (I64)header.number_of_point_records : header.extended_number_of_point_records)*2); |
| 89 | |
| 90 | if (streamoutarray == 0) |
| 91 | { |
| 92 | laserror("allocating streamoutarray"); |
| 93 | return FALSE; |
| 94 | } |
| 95 | |
| 96 | // create the LASwriter |
| 97 | |
| 98 | if (laswriter) delete laswriter; |
| 99 | laswriter = 0; |
| 100 | |
| 101 | LASwriterLAS* laswriterlas = new LASwriterLAS(); |