{"name": "Threshold Vectorization", "package_name": "ThresholdVect", "description": "Processing plugin-based provider that adds a model to polygonize a raster from a lower and an upper threshold. Provedor do Processing que inclui um modelo para vetoriza\u00e7\u00e3o de um raster a partir de um limiar inferior e um superior.", "about": "The model added is named TV Vectorization Threshold. For this model to work, the plugin adds this and other models to a group called ThresholdVect, and scripts to a group with the same name.\nThere are a number of parameters that can be set to optimize the polygonization. These parameters are described in the help of the model.\nAlso, a model is added to calculate the NDWI, a possible input to the plugin model that can be used to extract water bodies.\nTo extract water bodies using NDWI, perform the following 2 steps:\n1- Extract NDWI using the TV Raster NDWI or TV Multiband NDWI model, depending on whether the bands are in different rasters or in a single raster.\n2- Execute the TV Vectorization Threshold model.\n--------------------------------------------------------------------------------------------------------------------------------------------------------------------------\nO modelo adicionado \u00e9 denominado TV Vectorization Threshold. Para que esse modelo funcione, o plugin adiciona este e outros modelos a um grupo chamado ThresholdVect, e scripts a um grupo com o mesmo nome.\nH\u00e1 v\u00e1rios par\u00e2metros que podem ser configurados para otimizar a vetoriza\u00e7\u00e3o. Esses par\u00e2metros s\u00e3o descritos na ajuda do modelo.\nAl\u00e9m disso, um modelo \u00e9 adicionado para calcular o NDWI, uma poss\u00edvel entrada para o modelo do plugin que pode ser usada para extrair massas d'\u00e1gua.\nPara extrair corpos de \u00e1gua usando o NDWI, execute os 2 passos seguintes:\n1- Extraia o NDWI usando o modelo TV Raster NDWI ou TV Multiband NDWI, dependendo se as bandas est\u00e3o em diferentes rasters ou em um \u00fanico raster.\n2- Execute o modelo TV Vectorization Threshold.", "homepage": "https://github.com/marcelgaucho/ThresholdVect", "repository": "https://github.com/marcelgaucho/ThresholdVect", "tracker": "https://github.com/marcelgaucho/ThresholdVect/issues", "author": "Marcel Rotunno (IBGE)", "tags": ["raster", "processing", "provider", "vectorization", "polygonization", "ibge"], "downloads": 3597, "latest_version": "0.1", "versions": [{"version": "0.1", "experimental": true, "qgis_min": "2.99.0", "qgis_max": "3.99.0", "downloads": 3602, "uploaded_by": "marcelrotunno", "upload_datetime": "2019-08-23T14:32:26.690061"}]}