清华大学将迁入雄安新区?校方：没相关的消息
百度 真抓的实劲“抓落实来不得花拳绣腿，光喊口号、不行动不行”“只有干出来的精彩，没有编出来的辉煌。
To combine two or more parts into a larger whole.
1,278 questions
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Merging / clipping multiple 3D CityGML files without losing data, for calculation of Roof Area and extraction of Building Height
I am working on a personal GIS project that entails using a number of input variables / feature classes to investigate the Urban Heat Island (UHI) effect for the city of Coburg, Bayern, Germany, ...
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When I merge layers together, the overlay order is incorrect
In Image 1, you can see all the layers unmerged.
In Image 2, I merged the layers but as you can see the light green is now covering the dark green areas, despite maintaining the same overlay order.
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74
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How to join two attribute tables from polygon into one attribute table on the same column
So I have these two attribute tables. How can I join them into the same column?
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2
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141
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DJI Multispectral GeoTIFF batch merge in QGIS
I'm working on a WebODM project with forestry pictures taken from DJI Mavic 3 Multispectral drone. These mappings in RGB and multispectral GeoTIFFs will be loaded to QGIS for further processings.
Now ...
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73
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Merging several network analysis layers in ArcGIS Pro
I have done 10 network analyses (service area layers) in ArcGIS Pro. They all show the walking time of 5, 10 and 15 minutes to different services types (ex stores, schools and health care). Now I want ...
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48
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QGIS - Memory Error when merging large raster file
I want to merge 2 large raster files (7GB+8GB)
I got error messages, with a final
Unable to allocate 14.2 GiB for an array with shape (53701, 35412) and data type int64
I already manage to generate ...
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37
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Merging Connected Line Features into Single Multiple Features
I am using ArcGIS Desktop 10.8.2. I have separate groups of multiple line features. I need to merge the features so that each group is represented by a single feature. Using the merge tool merges them ...
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Errors or abnormal exit with almost all points cloud tools
I'm a French guy using QGIS in search of caves, MTB tracks or archeological area. My aims is to go on field and not spending my time in front of my laptop.
Unfortunately I have lots of problems, sorry ...
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Merging QGIS Project with layouts
I believe it is not possible, but I'll ask anyway... Is it possible to merge multiple QGIS project files with their layouts ?
I saw this thread:
Merge QGIS projects
I find no problem in copying and ...
4
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131
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"Feature creation error (OGR error: failed to execute insert)" when saving merged layer into GeoPackage in QGIS
I've merged two polygon layers from OSM (leisure=parks and natural=wood) into one. When I try to save the merged layer into .gpkg it shows a problem in creating a unique ID for a bunch of values from ...
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Extract multiple parts with same geometry whilst retaining values
I want to visualize a bus network where several lines partially overlap.
To do so, starting with my master file containing one feature per bus line, each with its unique identifier (line number), I ...
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2
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Is it possible to merge multiple overlaying GPKGs in the way, that only the uppermost is included?
I want to merge multiple overlaying GPKGs in the way, that only the uppermost is included. It is possible to achieve this by iteratively applying the algorithms Difference and Merge with the Model ...
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2
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1
answer
111
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QGIS: Merge attributes of overlapping Geometries (no delete duplicates)
I have overlapping geometries (parcels) which have the same vector information but are "duplicated" due to some attributes being different.. See in the image below 11 overlapping parcels ...
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71
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Exchange/replace some parts of my main DEM with other DEM-Data in QGIS
I'm fairly new to GIS. I want to simulate a dam break for my bachelor’s thesis using HEC-RAS. I have a very detailed DEM for the overall study area, but it lacks the bathymetry of two reservoirs and ...
2
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1
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80
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Get output bounds with rasterio.merge.merge
I have to load several GeoTiff files into a single (numpy.array) in a Python script.
I wish I could avoid manually computing bounds of the resulting raster data when using rasterio.merge.merge on a ...
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