A tradition of excellence.
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Congratulations to the Tampa Bay Buccaneers on their NFL Super Bowl LV Championship victory. In professional football, the Vince Lombardi Super Bowl® Trophy marks the pinnacle of gridiron glory. For nearly 160 years, Tiffany artisans have handcrafted custom-designed trophies and we are proud to have produced the coveted 22-inch, seven-pound trophy since the first Super Bowl® in 1967. From hand soldering to polishing, the four-month creation of the trophy requires 72 man-hours of labor to complete. Master artisans at our workshop in Rhode Island employ age-old techniques like silversmithing and hand engraving to bring this piece of history to life, year after year. Our relentless dedication to craftsmanship is as much of an American tradition as the Super Bowl® itself. #SBLV #SuperBowl #TiffanyAndCo
Discover more: https://bit.ly/3rwSGNC
同時也有10000部Youtube影片,追蹤數超過2,910的網紅コバにゃんチャンネル,也在其Youtube影片中提到,...
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man-hours 在 賴叔閱事 Facebook 的最讚貼文
香港人暴烈,係對壓迫最溫柔嘅抗爭
Medium Link: https://link.medium.com/XfgP00BFy0
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(利申:犯法嘅嘢係唔啱嘅,千祈唔好做,所以我都反對香港警察知法犯法)
2019 年 10 月 5 日,《禁止幪面規例》 (即係「反幪面法」) 喺香港實施嘅第一日。市面比上日平靜,但快閃示威、封路以至毀壞商舖嘅畫面其實持續出現。警民敵對嘅局面,當然冇改變,甚至隨住警察任意搜查戴口罩嘅市民而繼續火上加油。林鄭月娥嘅管治方式,真係舉世無雙。
從社交網絡上嘅相片,可以見到民建聯、工聯會以至十八鄉鄉事委員會嘅辦事處都遭受破壞。中資銀行、中移動、美心旗下食肆以至福建背景嘅零食店優品 360 店舖,都有噴漆、爆玻璃等痕跡。
如果睇返香港人自從 1997 年主權回歸以來,喺中共軟硬兼施嘅統戰之下,民主爭取唔到,自由空間持續收窄,自治程度每況愈下,我會話,香港嘅抗爭者今時今日採取嘅行動,已經非常溫和同克制。
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保皇黨嘅嘴臉我哋見過幾多次?佢哋口中嘅歪理荒謬到可以競爭達爾文獎。然後咁多年嚟,我哋如何懲罰佢哋?用選票?你哪撚有票懲罰到洗頭艇吳亮星?人哋功能組別銀行界係公司票嚟架喎!何君堯呢?下屆立法會如果有盤口,我買重佢當選添啦。
而家抗爭者幫保皇黨議員辦事處「裝修」,何君堯喺荃灣嘅議辦甚至真係起一拆十而退租 (未 Factcheck 但間舖吉晒) ,對於呢班走狗嚟講,似乎係比起「血債票償」更加實際、貼身嘅嘅影響。
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同樣道理,中資企業,例如國有四大銀行喺香港嘅公司,一方面用飯碗捏住員工嘅咽喉 (or 個袋,咩袋就自己諗啦) ,一方面又要佢哋喺大時大節,例如話議會選舉嘅時候,協助「愛國愛港」嘅候選人拉票甚至投票支持佢哋。
大家能夠轉工或者轉走戶口嘅錢,固然很好,但係針對分行落地玻璃同提款機等 objects 衝擊,客觀效果係令到牛咁大間銀行,要喺咁龐大嘅架構,啟動有返咁上下複雜嘅行政流程,為咗修復而耗用以 man-hours 計嘅人力資源,都真係唔多便宜,絕非都唔係話髹下油或者安返玻璃咁簡單。
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去到嗰啲本身係港資企業,但係喺關鍵時候企喺高牆嘅一邊嘅,例如美心太子女伍淑清。喂,去到聯合國撐警喎!唔係冇 take side 下嘛?美心立足香港半個世紀,當年我幾歲嘅時候,喺杏花村商場嗰間分店,啲有椅背嘅橙黃綠三色膠凳、嗰陣鐵板洋蔥豬扒嘅氣味,我到家下仲記得。
但屌你鹵味,你賺香港人嘅錢,掉轉槍頭撐黑警亂用催淚彈及橡膠子彈?除咗罷食、罷買,更加動搖美心業務根基嘅,係令美國 Starbucks 總公司重新審視品牌喺香港嘅獨家代理權,係咪仍然要判畀美心。抗爭者嘅連串衝擊、針對美心嘅「裝修」事件,我相信係值得 Starbucks 深思熟慮一下嘅。又,最低限度,美心集團都要出聲明同伍淑清割蓆、話伍淑清冇參與日常運作囉。
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粗淺地舉幾個例,都旨在說明以往純粹「和理非」嘅方法,根本搔不到癢處,對於享受緊規矩徹底地對自己有利、仲可以有權用盡嘅建制陣營嚟講,所有遊行、杯葛、聯署都不過係馬騮戲。你有你做,我有我數銀紙。
香港嘅示威者突破道德枷鎖,用自己嘅方法為心儀嘅店舖裝修、裝飾,係切切實實為企業同政客製造麻煩。同樣地,近日喺香港出沒嘅神獸「鶳」 (港式讀法:獅鳥) ,「以武制暴」,亦開始為以往橫行無忌、大叫「我撐警,你可以打我了」嘅藍絲同鄉黑帶來阻嚇作用。連黑幫麻雀館都貼出告示,支持「五大訴求,缺一不可」,可想而之,信念之於蠅頭小利,威力可以差幾遠。
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香港人素來奉公守法,但係政府教識大家,和平遊行其實無用;警察教識大家,報警求助都係無用。經過多年嚟嘅訓練,尤其是 2010 年通過撥款興建高鐵、 2014 年嘅佔領運動,見盡政府漠視民意、官警鄉黑勾結,以極權方式利用普通法作為對付平民嘅工具,先至鑄鍊出今時今日嘅「衝衝子」與「和理非」兩條腿走路嘅抗爭模式。
奉勸其他 KOL 或文妓,唔好再攞西方文明民主社會嘅例子作比較,訓詁香港人應該克教復禮 whatsoever 。香港已經喺林鄭月娥治下變成一個暴烈嘅獨裁社會,相比起政府連幪面都唔容許、建制爪牙無底線嘅起底同批鬥,示威者而家採取嘅措施,其實真係已經好溫柔。
man-hours 在 Overwatch.blue Facebook 的最佳解答
What Are Ground Control Points (GCPs) and How Do I Use Them?
A Guide to Using Ground Control Points with Drone Mapping Software
If you work with drone mapping software, you’ve no doubt heard talk of ground control points (GCPs). Used often in the surveying industry, as well as in virtual design and construction, GCPs greatly increase the global accuracy of drone maps. Although they are not necessary in every situation, GCPs are a vital tool for precision mapping. But what exactly are ground control points? And how do you go about using them correctly?
To help crack the code on ground control points, we’ve put together this short guide to using GCPs with drone mapping software.
What Are Ground Control Points?
So what exactly are ground control points? Ground control points are large marked targets on the ground, spaced strategically throughout your area of interest. If you use ground control points with your aerial map, you first need to determine the RTK GPS coordinates at the center of each. (We’ll explain how to do this a little later.) The ground control points and their coordinates are then used to help drone mapping software accurately position your map in relation to the real world around it.
It might be helpful to think of your GCPs as a series of thumbtacks placed on your drone map. Because the drone mapping software knows the exact location of each of these “thumbtacks”, it can reference their locations when it matches up all of the other points on the map.
When and Why Are GCPs Important?
When used correctly, ground control points greatly improve the global accuracy of your drone map. That is to say, they help ensure that the latitude and longitude of any point on your map corresponds accurately with actual GPS coordinates. This is important in situations where precision mapping and true global accuracy are needed. As we mentioned above, surveying companies generally use GCPs, because a high level of global accuracy is important in most of the work that they do. Virtual design and construction is another sector that often requires this level of precision drone mapping.
Landpoint, a surveying company based in Louisiana, uses ground control points when creating drone maps used for topographical surveying. Using GCPs on an 85-acre map, their team conducted an accurate aerial survey, saving over 80 man hours compared to traditional land survey methods.
Each drone mapping project is unique, and not all projects require a high level of global accuracy. Because of this, it is important to assess each project individually before you decide to take the extra step of using GCPs. But generally speaking, projects like geo-referenced overlays, design documents and land title surveys benefit from the use of ground control points. In an upcoming post, we’ll take a deeper look at which types of projects are best suited for using GCPs.
How to Construct a Ground Control Point
There is no one right way to make a ground control point. One important thing to remember is that the GCP must be easily visible in your aerial imagery. This is achieved by using high-contrast colors and by making sure the ground control point is large enough to be seen from your particular flight altitude. We generally recommend flying at 300 feet with a frontlap and sidelap of 70/75 when using ground control points. Keep in mind that this may change dependent upon the area you are mapping. Learn more by reading our recent post about mapping accuracy and reviewing our GCP support documents.
A number of companies do sell pre-made, portable ground control points. However, many drone users simply fashion their own.
This well constructed GCP was spray painted onto the concrete using a stencil. Notice that the marker is large enough to be visible from far away. A center mark helps eliminate any confusion as to where the center point is located.
If you’re unable to mark GCPs with paint, there are a variety of low-cost ways to make markers with items available from any local hardware store. The weather-resistant rubber and vinyl markers seen above end up costing about $5 each and are very durable.
Measuring the Location of Your GCPs
As we mentioned above, it is important to measure the GPS coordinates at the center of each ground control point. To do this, you need either a Real Time Kinematic (RTK) or Post Processing Kinematic (PPK) GPS receiver. Trimble and Leica products are commonly used for high-accuracy GPS measurements. New, lower-cost alternatives have recently come onto the market as well. Hiring a surveyor to measure the location of your ground control points is also an option.
Do not use a phone or tablet to measure the location of your ground control points. The accuracy of these devices is very similar to that of a drone’s onboard GPS system and will not deliver precise results. Instead, use one of the previous methods listed above, such as an RTK or PPK GPS receiver.
Best Practices for Using Ground Control Points with Drone Mapping Software
Of course, if you use ground control points with drone mapping software, it is important to use them correctly. Follow these best practices to help ensure your GCPs serve their intended purpose and improve the accuracy of your map.
Use a minimum of 4 large GCPs: DroneDeploy requires a minimum of 4 ground control points. Each should measure at least four feet. No more than 10 are usually needed for larger maps.
Evenly distribute your GCPs on the ground: For most maps of moderate size, we recommend 5 GCPs, one located near each corner and one located in the center, as pictured above. Also, make sure GCPs are spaced far enough apart, to avoid confusion. As a general rule, if you can see more than one GCP in an image, they are too close together.
Create a buffer zone around your map’s perimeter: We recommend a buffer zone between the edges of your map and any ground control points. This ensures there is enough image coverage to carry out reprocessing. The size of your buffer zone should be somewhere between 50–100 feet, depending on the overlap of your flight. A higher overlap produces more images and generally requires less buffer zone.
Be aware of elevation changes: If the area being mapped has noticeable elevation changes like hills, mines and valleys, make sure to place at least one ground control point on each of the different major elevations.
Make sure your GCPs are unobstructed: Visual obstructions like overhangs, snow, shade or glare make ground control points difficult to identify on your drone map.
Know Your EPSG code: Before processing your map in DroneDeploy, you must enter the EPSG code that relates to your GPS measurements. Choose your EPSG code by modifying the settings of your GPS measurement device. In most cases, we recommend using WGS84 (EPSG: 4326).
man-hours 在 Man-hour vs. person-hour? Is the former now considered ... 的推薦與評價
Man -hour is a unit name like foot-pound or kilowatt-hour. It's two quantities that are multiplied together. The name tells you how to do the ... ... <看更多>
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