1. Measure areaaaaa
通常map-reading textbook書會叫你畫1cm*1cm格仔,我一直都係咁都幾準,study leave行文具舖見到有佈滿0.5cm*0.5cm格仔嘅間尺,有成30cm長,做快咗20秒咁
2. Conventional Signssss
背晒啲signs,除咗設施(hospital vs clinic,school vs library,社區中心vs廁所)之前仲要記natural landscape,以1:20000嚟講山上面綠色係 woodland,白色係grassland,好多人錯要小心
特別記住 swamp 同 mangrove 喺1:20000同1:5000係唔同。
3. Gradientttttt
記格式,除咗1:xxx,仲有1
in xxxx
Height係數contour line搵,distance用紙邊/繩度再×個scale搵actual distance
要搵個xxx係咩老師通常教height÷distance,然後「1÷ANS」去搵答案,其實一開波直接distance÷height就得
計一條路road / footpath嘅長度時,記住用紙邊度,唔係求其用條直線連起兩點就算
4. 晝Cross sectionnnnnn
寫標題「Cross-section showing
(抄題目)」有兩條y-axis,做好晒2條y-axis同埋一條x-axis嘅所有label,雖然條線你係一點點mark上去但唔好用間尺連起所有點,彎彎哋咁畫
5. Intervisible????
畫條直線穿過題目問你嗰2個grid reference,之後睇中間有冇一條contour line代表嘅高度係高過2個grid reference入面矮啲嗰個,冇就intervisible,最易
6. Bearinggggggg
睇清楚題目問你whole-circle bearing、reduced bearing定係compass point,如果問from A to B,記得個座標要畫喺個from上面(A),再畫條直線去B
7. Transacttttt (好似已經好少見,得閒先睇)
畫條直線穿過題目問你嗰2個grid reference,之後睇 land use
大致係咁,利申map-reading啱晒