雖然這篇ms_simplify鄉民發文沒有被收入到精華區：在ms_simplify這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]ms_simplify是什麼？優點缺點精華區懶人包
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#1ms_simplify function - RDocumentation
ms_simplify : Topologically-aware geometry simplification. Description. Uses mapshaper to simplify polygons. Usage. ms_simplify( input, keep = 0.05, ...
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#2simplify my us state shapefile with rmapshaper::ms_simplify ...
The following should work: # packages library(sf) #> Linking to GEOS 3.8.0, GDAL 3.0.4, PROJ 6.3.1 library(leaflet) # data states_shape ...
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#3rmapshaper Basics
ms_simplify - simplify polygons or lines · ms_clip - clip an area out of a layer using a polygon layer or a bounding box. · ms_erase - erase an ...
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#4Chapter 5: Geometric operations • geocompkg - the ...
Generate and plot simplified versions of the nz dataset. Experiment with different values of keep (ranging from 0.5 to 0.00005) for ms_simplify ...
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#5rmapshaper/ms_simplify.Rd at master · ateucher ... - GitHub
\name{ms_simplify}. \alias{ms_simplify}. \title{Topologically-aware geometry simplification.} \usage{. ms_simplify(. input,. keep = 0.05,. method = NULL,.
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#6第5 章Annotation and Maps | 經濟資料視覺化處理
5.7.5 幾何簡化: rmapshaper::ms_simplify(). 接續5.6的台灣圖資：. Copy. sf_taiwan %>% rmapshaper::ms_simplify() -> sf_taiwan_simplify.
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#7rmapshaper
ms_simplify - simplify polygons or lines; ms_clip - clip an area out of a layer using a polygon layer or a bounding box. Works on polygons, lines, ...
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#8Simplify polygons of sf object - GIS Stack Exchange
How do I simplify an sf polygon without introducing gaps and slivers? With a shapefile, for example, I would use rmapshaper::ms_simplify() :
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#9Simplifying geospatial features in R with sf and rmapshaper
ms_simplify respects the shared borders. The result is also much smaller in terms of memory usage: round(c(object.size(fedstates),.
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#10在多幾何特徵中查找點| 2022 - Azedupress
非常感謝Spacedman。您的答案非常有幫助！實際上，當刪除 POINT 和 GEOMETRYCOLLECTION ，我可以繪圖，使用 ms_simplify() . st_geometry_type(st_geometry(d)) 正是我想要 ...
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#11在R中使用ms_simplify()处理内存不足- 错说
在R中使用ms_simplify()处理内存不足 ... (较小的数据)工作时，它工作得很好，但现在我在法国城市工作，而执行ms_simplify()函数，我得到以下错误:.
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#12简化SF对象的多边形 - QA Stack
对于尚不支持sf的程序包，可以将sf对象转换为sp-对于栅格/多边形交互，我可以这样做。因此，您可以执行以下操作： simplepolys <- rmapshaper::ms_simplify(input ...
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#13Chapter 5 Geometry operations | Geocomputation with R
This means the 'topology' is lost, resulting in overlapping and 'holy' areal units illustrated in Figure 5.2 (middle panel). ms_simplify() from rmapshaper ...
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#14Creating and Manipulating Polygon Objects in R - RPubs
the ms_simplify function from rmapshaper package. The former does not preserve shared boundaries, which is very important when the polygons ...
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#15Vereinfachen Sie Polygone von sf-Objekten - QA Stack
Mit einem Shapefile würde ich zum Beispiel Folgendes verwenden rmapshaper::ms_simplify() : library("pryr") library("rgdal") library("rmapshaper") ...
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#16Rmapshaper - Berthold Weitkemper
The ms_simplify() function accepts several arguments. org/package=rmapshaper to link to May 26, 2021 · rmapshaper Basics Andy Teucher 2021-05-26.
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#17NEWS
Added snap_interval to ms_simplify() (#43, @nikolai-b); Bug-fix: Respect drop_null_geometries argument in ms_simplify.geo_list() (#45, @nikolai-b) ...
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#18Simplifying polygons layers - Iresmi.net
For ms_simplify() we will set sys = TRUE to take advantage of the node.js executable. Experiment with the other parameters to get a ...
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#19無縫地適合兩個SF多邊形| 2021
1哇，很好的例子。但是，這樣做有點困難，所以我想知道是否可以拆分它-有一個示例可以清楚地繪製並標識出微小的差距，以及可以解決（？）的更全面的代碼。使用ms_simplify ...
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#20fit two sf polygons seamlessly - TipsForDev
ms_simplify seems to work on your minimal example but you need first to group your 2 'shapefiles' into one 'shapefile'. If needed it would be easy to split ...
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#21Efficiently mapping with ggplot2 - Ed Rubin
The package rmapshaper provides some great tools for working with spatial data—we're currently interested in ms_simplify() .
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#22version of v8 on rstudio.cloud lags version required for ggplot2 ...
"Other Territories") oz_votes <- rmapshaper::ms_simplify(ozmaps::abs_ced) #> Registered S3 method overwritten by 'geojsonlint': #> method from ...
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#23Uprość wielokąty obiektu sf - QA Stack
Jak uprościć sf wielokąt bez wprowadzania przerw i fragmentów? Na przykład z plikiem shapefile użyłbym rmapshaper::ms_simplify() :
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#24Geometry operations - Amazon AWS
... disappearing at high simplification # https://www.rdocumentation.org/packages/rmapshaper/versions/0.4.1/topics/ms_simplify # ms_simplify ...
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#25Polygons not getting plotted in leaflet r map since update
Digging a bit more, the problem seems related to the fact that ms_simplify() adds names to the geometry column: polys_sf<-st_read(system.file("shape/nc.shp" ...
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#26대한민국 제21대 국회의원 선거 - AISpiration
이를 위해서 rmapshaper 팩키지 ms_simplify() 함수를 사용하게 되면 크게 속도를 향상시킬 수 있다. Code. library(tidyverse) library(sf) ...
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#27Polygons - globe4r
... country = 'INDIA', level = 1) # optionally reduce its size (strongly recommended) india_small <- rmapshaper::ms_simplify(india_sp, ...
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#28R_ggplot2地理信息可视化_史上最全（二） - 天善智能
geojson.io,在线解析和转换格式。 mygeodata converter. IGIS Map Converter. 推荐使用 rmapshaper::ms_simplify() 简化地图 ...
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#29How Much One Shapefile Overlaps Another? | Credibly Curious
... overwritten by 'geojsonlint': #> method from #> print.location dplyr brisbane_simpler_sf <- brisbane_sf %>% ms_simplify(keep = 0.01).
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#30Using R to Create Google Maps - carl b frederick
via the ms_simplify() (among other) function. library(rmapshaper) widists_sm <- ms_simplify(widists) #Write the district boundaries to a KML ...
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#31R语言rmapshaper包函数列表及帮助文档- 爱数吧
... 将多边形转换为拓扑边界（线）. ms_points, 从多边形层创建点. ms_simplify, 拓扑感知几何简化。 rmapshaper, rmapshaper:用于“地理空间”操作的“mapshaper”客户端.
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#32Simplify polygons without creating slivers - Phil Mike Jones
rgn_simp = rmapshaper::ms_simplify(rgn, keep = 0.01). And compare the sizes (for this I've used the pryr package but you don't need to do ...
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#33シェープファイルを読む - 三重大学
j = ms_simplify(j, keep=0.1, keep_shapes=TRUE) j$geometry[[47]] ... list(japan$N03_007), head, n=1) japan3 = ms_simplify(japan2, keep=0.01, ...
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#34eez-obis
... eez = st_read(eez_shp) # simplify eez eez_s005 = eez %>% geojson_json() %>% # convert to geojson for faster ms_simplify; 69.6 sec ms_simplify(keep=0.05, ...
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#35Geocomputation with R - 05 | Bin YE
也就是说，使用 sf::st_simplify() 和 rmapshaper::ms_simplify() 得到的简化结果的几何类型是不同的。使用函数 st_cast() 将 GEOMETRY 类型转化为 ...
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#36r - 优化具有许多'layers' 的详细map 的Shiny + Leaflet 性能
我已将shapefile 读入R 并使用 ms_simplify() 大大降低了复杂性/点数 rmapshaper 中的函数包裹。 现在就Shiny 和传单而言，这就是我一直在做的事情:.
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#37rmapshaper - : ms_simplify使用時のogrinfoエラー - FIXES.PUB
rmapshaperパッケージでms_simplify関数を使用しているときに、他の誰かが次の……
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#38Cache or pre render leaflet map in shiny app - Stackify
MB # simplyfy the spatial object # `keep_shapes=T` ensures no polygons are dropped df2 <- ms_simplify(df, keep_shapes = TRUE) object.size(df2)/1e6 # 11.8 MB ...
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#39Simplify polygon
We could probably convert to lines, build topology, simplify, clean, build polygons in GRASS or ArcGis, but it's quite a hassle… ms_simplify: ...
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#40Using Leaflet in R - Tutorial - Quasilinear Musings
I have also used the ms_simplify function from the rmapshaper package to simplify the shapefile for web-plotting purposes.
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#416 Maps - ggplot2: Elegant Graphics for Data Analysis
Second, I'll extract the electoral boundaries in a simplified form using the ms_simplify() function from the rmapshaper package. 21 This is generally a good ...
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#42python数据分析与应用课后题答案第五章 - 程序员秘密
ms_simplify (keep = .5) %>%. plot(). #2. canterbury_not = nz %>% filter(Name != "Canterbury"). canterbury_not_height = nz_height[canterbury_not, ].
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#435.5 Exercises - 《[英文] Geocomputation with R》 - 书栈网
Generate and plot simplified versions of the nz dataset.Experiment with different values of keep (ranging from 0.5 to 0.00005) for ms_simplify() ...
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#44r-rmapshaper 0.4.5 on conda - Libraries.io
ms_simplify - simplify polygons or lines; ms_clip - clip an area out of a layer using a polygon layer or a bounding box.
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#45Exploring Electricity, Latrine and Water Access Data in India
vwr::levenshtein.distance(). Simplify polygons before joining => rmapshaper::ms_simplify(). 16 / 33. Page 17. 12/27/2018.
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#46Usando 'gSimplify' en Chloropleth - SistemeIG
Defaults are fine can_simp <- rmapshaper::ms_simplify(can_adm) str(can_simp) # use a gd projection for this region can_proj <- "+proj=lcc ...
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#47Municiplaity Map with Leaflet - dúvidas - Discourse Curso-r
simplified_shape_mun <- ms_simplify(map_mun,keep = 0.01). Alguém sabe se o mapview è mais rápido?? Obrigado desde já. Alberto Sironi.
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#48[R-sig-Geo] rgdal::writeOGR with driver='ESRI Shapefile ...
I used rmapshaper::ms_simplify() which > > introduced the polygons sharing a common edge. I definitely didn't > > need them to be separate ...
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#495.5 Exercises-[英文] Geocomputation with R-面试哥
Generate and plot simplified versions of the nz dataset.Experiment with different values of keep (ranging from 0.5 to 0.00005) for ms_simplify() ...
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#50ggplot - 如何保存大型空间物体并获得投影的权利？ - 腾讯云
还有 rmapshaper::ms_simplify ，它使用Mapshaper，我更喜欢更好地控制你保存的信息量。然后为了显示CRS变换：
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#51Geocomputation with R - 第 75 頁 - Google 圖書結果
... and 'holy' areal units illustrated in Figure 5.2 (middle panel). ms_simplify() from rmapshaper provides an alternative that overcomes this issue.
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#5200-dataprep.Rmd - Spatial Networks Lab - KU Leuven GitLab
... tx_prov_descr_nl, cd_rgn_refnis, tx_rgn_descr_nl, cd_nuts3) %>% summarise() -> munis st_crs(munis) <- 31370 ms_simplify(munis, ...
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#53Data Visualization for Social and Policy Research: A ...
Let me show you that by using my allZip map and its winnerREP column: > #optimizing > > #dissolving allZipBetter=ms_simplify(allZip) ...
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#54《Geocomputation with R》第五章参考答案 - 知乎专栏
... st_simplify(dTolerance = .5) %>% plot() nz["Name"] %>% ms_simplify(keep = .5) %>% plot() #2 canterbury_not = nz %>% filter(Name !=
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#55Making Maps for Australia States and Local Government ...
aus_ste_sim <- ms_simplify(aus_ste_json)# Write GeoJSON file out to ... aus_LGA_sim <- ms_simplify(aus_LGA_json)# Write GeoJSON file out to ...
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#56python数据分析与应用课后题答案第五章 - CodeAntenna
ms_simplify (keep = .5) %>%. plot(). #2. canterbury_not = nz %>% filter(Name != "Canterbury"). canterbury_not_height = nz_height[canterbury_not, ].
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#57ggplot2 study notes: Canada map is filled with color according ...
... use_iconv=TRUE, encoding="CP1250") can_adm <- sf::st_as_sf(canada_raw) can_simp <- rmapshaper::ms_simplify(can_adm) str(can_simp) can_proj <- "+proj=lcc ...
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#58▷Caché o pre-render el mapa de folletos en una aplicación ...
MB # simplyfy the spatial object # `keep_shapes=T` ensures no polygons are dropped df2 <- ms_simplify(df, keep_shapes = TRUE) object.size(df2)/1e6 # 11.8 MB ...
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#59Package RCzechia · Jindra Lacko - JLA Data
V případě práce s obecními daty doporučuji zjednodušit, například obrysy pomocí rmapshaper::ms_simplify() . Od okresů výše to takový problém není.
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#60B.C. Regions / Mathew Brown / Observable
Combine RDs with Northern Rockies Regional Municipality, fix names to match those in the bcstats data rd <- combine_nr_rd() rd <- ms_simplify(rd) rd ...
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#61rmapshaper - githubmemory
use case of invalid rmapshaper output geometries · PROJ 6 problems? · Issue with ms_simplify and sys = TRUE · Error in context_eval(join(src), private$context).
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#62recogeoパッケージで市町村合併に伴う再集計をやってみる
rmapshaper::ms_dissolve() で市区町村単位でディゾルブ。市区町村コードを PREF と CITY を結合して作成。 rmapshaper::ms_simplify() でジオメトリを ...
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#63Linked brushing with plotly & leaflet - Popular Blocks
layer = 'tarrant_precincts') #tarr_simp <- ms_simplify(tarr) #tarrxy <- spTransform(tarr_simp, CRS("+proj=longlat +datum=WGS84")) #tarrxy ...
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#64Why does EditLayers keep crashing my RStudio? #172
... library(rbgm) nevada <- voting_districts("nevada") nevada <- rmapshaper::ms_simplify(nevada) leaflet() %>% addTiles %>% addPolygons(data = nevada, ...
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#65关于r：使用大数据Leaflet-美国所有县的ACS数据 - 码农家园
我不需要使用mapview。我使用了rmapshaper :: ms_simplify(mydata)，其中mydata是从geo_join()生成的Large SpatialPolygonsDataFrame ...
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#66针对具有许多"层"的详细地图优化Shiny + Leaflet性能| 经验摘录
我已将shapefile读入R中,并使用包中的 ms_simplify() 函数大大降低了复杂性/点数 rmapshaper . 现在,就Shiny和传单而言,这就是我一直在做的事情:.
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#67将州边界添加到传单的输出中，其中输入是县shapefile
... STATEFP %in% c("16", "41", "53") ) counties <- rmapshaper::ms_simplify(counties) counties %>% leaflet() %>% setView(lng = -118.4942, lat = 47.2149, ...
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#68r - 无缝地适合两个SF多边形-最牛程序员
ms_simplify 似乎在您的最小示例上起作用，但是您需要首先将2个“ shapefile”分组为一个“ shapefile”。如果需要的话，在简化边界之后很容易将它们拆分。
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#69Select one feature of multiple overlapping ... - Pretagteam
In these cases, consider using rmapshaper::ms_simplify , which does topology-preserving simplification conveniently from R.
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#70r - 두 개의 SF 다각형을 매끄럽게 맞추기 - IT 툴 넷
ms_simplify 는 최소한의 예제에서 작동하는 것 같지만 먼저 두 "shapefile"을 하나의 "shapefile"로 그룹화해야합니다. 필요한 경우 경계를 단순화 한 후 쉽게 분할 ...
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#71Spatial polygons to spatialpolygonsdataframe. Depending on ...
The main advantage of the package is the availability of the topologically-aware simplification algorithm in ms_simplify (provided by the …
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#72erro ogrinfo ao usar rmapshaper :: ms_simplify - CoreDump.biz
Alguém já viu o seguinte erro ao usar a função ms_simplify no pacote rmapshaper? foo = rmapshaper::ms_simplify(rworldmap::countriesLow) ...
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#73無題
Here, st_simplify() does the work, but you'll need to … ms_simplify: Topologically-aware geometry simplification. This polygon can be recovered from the ...
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#74упрощение моего шейп-файла состояния США с помощью ...
states_shape_simple <- rmapshaper::ms_simplify(states_shape, keep = 0.05, keep_shapes = TRUE). Я получил ошибку, как показано ниже:
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#75R_ggplot2 Geographic Information Visualization_The most ...
Recommended Use rmapshaper::ms_simplify() Simplify the map data, you can specify a simplified scale, otherwise it is really card,
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#76System mapshaper not detectable in R #109 - githubmemory
Having tried with the ms_simplify and R session aborted, I think I should grab the system mapshaper by the command "sys=TRUE" as the file is quite large:.
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#77Използване на `gSimplify` в Chloropleth | 2021
Доколкото ми е известно, единствената функция за опростяване на R, която запазва връзките между полигоните, е rmapshaper::ms_simplify() .
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#78Mapa del folleto de caché o pre render en la aplicación brillante
MB # simplyfy the spatial object # `keep_shapes=T` ensures no polygons are dropped df2 <- ms_simplify(df, keep_shapes = TRUE) ...
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