Geoaxborot tizimining ilmiy asoslari

Rastr formatdagi fayllarning koʻrinishi

Fayl formati	Toʻliq tavsifi	Rang koʻrsatkichi
VMR CALS(CAL) JPEG (JPG) RSH PNG TARGA(TGA) TIFF GIF PICT RLCl RLC2 104 IGS GeoSpot GeoTIFF MrSID ECW PSD ADRG SDTS	Bit Map Image Computer-aided Acquisition Logistics and Support Joint Photographic Expert Group RS Paintbrush Exchange Portable Network GRAPHICs A simple run lengtx encoded image format (Truevision) Tagged Image (or Interchange) File Format GRAPHICs Interchange Format Image originator Apple Computer Run Lengtx Compressed Run Lengtx Compressed Image Format Group 4 Image in Greyscale Spot Image Corp. (Geo referenced image) Geo referenced tiff image Multi-resolution Seamless Image Database Enxanced Compressed Wavelet Adobe Photoshop Document Arc Digitized Raster GRAPHICs Spatial Data Transfer Standard	1, 8, or 24 bits 1 bit 8, 24 bit 1, 8, or 24 bits 1, 8, or 24 bits 8, 24 bits 1,8, or 24 bits 8 bits 1, 8, or 24 bits 1 bit 1 bit 1 bit 8 bits 8, 24 bits 1,8, or 24 bits 8 or 24 bits 8 or 24 bits 8 or 24 bits 1,8, or 24 bits 1,8, or 24 bits

GATda tahliliy ishlarni olib borishda yoki joyning tafsilotlarini tasvirlashda asosan vektor texnologiyaga asoslaniladi, shuning uchun ham geoaxborot tizimida vektor formatlar keng qoʻllaniladi. Bunday formatning koʻplab qoʻllanilishiga yana bir sabab – bunday format orqali koordinatalarni, atribut ma’lumotlarni, ma’lumotlar bazasi tuzilmalarini saqlash va ularni tasvirlash birmuncha qulay. Quyidagi jadvalda ba’zi vektor fayl formatlari berilgan.

3.3-jadval