tiff格式 全球DEM数字高程模型图 1km分辨率

依据标准地图审图号GS(2019)1822制作的shp格式中国地图，坐标系统一转化为WGS84坐标，作图时请自己投影。 内包含国界线文件，国界陆地内外晕带线文件，九段线线文件，省市县面文件和点文件，南海诸岛面文件及主要岛屿点文件，长江黄河线文件，还包括本人自己作图收集的中国1800m精度DEM高程及山体阴影渲染图（效果很好），可以满足大部分自己作图需求。 此为本人多方收集汇总加部分自己绘制补充，是自己平时作图所用图库，现在分享给大家，希望对大家有所帮助。收集制作不易，拒绝伸手党！

GlobalMappercn 可打开adf后缀的文件 将adf文件转换成dem文件的方法 这个文件当时环境是处理NDVI文件的时候遇到的

适用于　基于Arcgis对流域数据的提取及计算　的文章资源

2020-2022年最全陕西省矢量数据（路网含城市一、二、三、四级道路、铁路（包括地铁、轻轨）高速、省道、县道、乡道+百万个poi数据+省市县乡镇行政区划+30米dem数据+河流水系网+建筑轮廓（省会城市为主）等shp数据 数据格式：shp矢量 坐标系：WGS-84 数据来源：高德爬取 数据处理软件：Arcgis/Qgis 数据范围：西安市、铜川市、宝鸡市、咸阳市、渭南市、延安市、汉中市、榆林市、安康市、商洛市 数据时间范围：2020-2022年间 下载数据后，有任何疑问可以随时私信我哦

基于DEM的坡度坡向分析.doc

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matlab 离散点生成dem

Agisoft Metashape Professional 1.5.3 Build 8407 (x64) Multilingual | 161.2 Mb Agisoft Metashape (formerly PhotoScan) is a stand-alone software product that performs photogrammetric processing of digital images and generates 3D spatial data to be used in GIS applications, cultural heritage documentation, and visual effects production as well as for indirect measurements of objects of various scales. Wisely implemented digital photogrammetry technique enforced with computer vision methods results in smart automated processing system that, on the one hand, can be managed by a new-comer in the field of photogrammetry, yet, on the other hand, has a lot to offer to a specialist who can adjust the workflow to numerous specific tasks and different types of data. Throughout various case studies Metashape proves to produce quality and accurate results. Photogrammetric triangulation - Processing of various types of imagery: aerial (nadir, oblique) & close-range. - Auto calibration: frame (incl. fisheye), spherical & cylindrical cameras. - Multi camera projects support. Dense point cloud: editing and classification - Elaborate model editing for accurate results. - Points classification to customize geometry reconstruction. - .LAS export to benefit from classical point data processing workflow. Digital elevation model: DSM/DTM export - Digital Surface and/or Digital Terrain Model — depending on the project. - Georeferncing based on EXIF meta data/flight log: GPS/GCPs data. - EPSG registry coordinate systems support: WGS84, UTM, etc. Georeferenced orthomosaic export - Georeferenced orthomosaic: most-GIS-compatible GeoTIFF format; .KML file to be located on Google Earth. - Export in blocks for huge projects. - Color correction for homogeneous texture. Measurements: distances, areas, volumes - Inbuilt tools to measure distances, areas and volumes. - To perform more sophisticated metric analysis Metashape products can be smoothly transferred to external tools thanks to a variety of export formats. Ground control points: high accuracy surveying - GCPs import to control accuracy of the results. - Coded/non-coded targets auto detection for fast GCPs input. - Scale bar tool to set reference distance without implementation of positioning equipment. Python scripts: customize processing workflow - In addition to Batch processing — a way to save on human intervention, Python scripting suggests customization options: - a parameters template for several similar data sets; intermediate processing results inspection; etc. Multispectral imagery processing - RGB/NIR/thermal/multispectral imagery processing. - Fast reconstruction based on preferable channel. - Multichannel orthomosaic generation for built-in vegetation indices (NDVI) calculation and export. 3D model: generation and texturing - Various scenes: archaeological sites, artifacts, buildings, interiors, people, etc. - Direct upload Sketchfab resource and export to varios popular formats. - Photorealistic textures: HDR and multifile support. 4D modeling for dynamic scenes - Multi camera station data processing for creative projects in cinemato- graphic art, game industry, etc. - Basis for numerous visual effects with 3D models reconstructed in time sequence. Panorama stitching - 3D reconstruction for data captured from the same camera position — camera station, provided that at least 2 camera stations are present. - 360° panorama stitching for one camera station data. Network processing - Distributed calculations over a computer network to use combined power of multiple nodes for huge data sets processing in one project. System Requirements: - CPU: Quad-core Intel Core i7 CPU, Socket LGA 1150 or 1155 (Kaby Lake, Skylake, Broadwell, Haswell, Ivy Bridge or Sandy Bridge) - Motherboard: Any LGA 1150 or 1155 model with 4 DDR3 slots and at least 1 PCI Express x16 slot - RAM: DDR3-1600, 4 x 4 GB (16 GB total) or 4 x 8 GB (32 GB total) - GPU: Nvidia GeForce GTX 980 or GeForce GTX 1080 (optional)

谷歌数字高程模型（DEM）下载工具